![]() Adjustable ground speed control devices, systems, and methods for walk-behind equipment
专利摘要:
The present subject matter relätes to adjustable ground speed control devices, systems, and metbods for waik-bebind equipment. A variable speed control system for a machine can include a control system base, one or more control lever selectively movable with respect to tbe control system base between a flrst operating position and a second operating position, first and second speed adjustment actuators positioned on the control system base proximai to the one or more control lever, and a control unit configured for communication with the one or more control lever, the first and second speed adjustment actuators, and a machine component. In this configuration, the one or more control lever can be configured to control the machine component to operate between a minimum operating speed and a variable maximum operating speed, where the value of the variable maximum operating speed can be adjusted by the first and second speed adjustment actuators. 公开号:SE1551271A1 申请号:SE1551271 申请日:2015-10-05 公开日:2016-04-15 发明作者:Andrew E Bejcek 申请人:Honda Motor Co Ltd; IPC主号:
专利说明:
“tÜ 2G Atterney Decket tfiriít/t 18 ÜESCREPTEONAÜJUSTABLE GRÜUNÜ SIÜEEEED GONTFÉÜL DEVÉCES, SYSTEMS, ANDMETHQDS FÖR WALNBEHENÜ EQUEPMENT TECHNECAL iïtELtIBThe suhiect matter disciesed herein reiates generatiy te variapie centretsystems ter pewered equipment. tvtere particuiariy, the subject matter disciesedherein reiates te variahie speed centrets and metheds ter watk-eeniitd working macnines, such as iawnntewers. BACKGQOUND ivtarty waik-teehind werking macnines. such as iawnrnewers and ethersirniiar smaii pewered equipment. hat/e a seit-prepei system that prepeis erdrives the working ntachine at a seiected greund speed. in such systems. acentret system is typicaiiy carried en the handie te aiiew the eperater te engageand disengage the seit~prepei systern and te seiect a desired ground speed.Fer exampie, many such centret systems use a pivetaeie greund speed centrethatt en the handie et the working machine. Cšeneraiiy, sett prepeiied drivesystems can be divided inte twe categeries: singiefrnuitieie speed, and variaeiespeed. in singie/mtiitieie speed drive systems, the greund speed is tixed ey eneer mere gear raties, and it can eniy ee adjusted ey seiecting a ditterent gearset(it avaiiabie). in centrast, variaiete speed drive systems aiiew the eperater theaeiiity te "intiniteiy" adiust the greund speed et the iawn metver, such as ey astipping hett system vifhere the hett iiensien is varied, a siipeing ctutch system where the ciutch pressure is varied, a hydrestatic transmissien vvhere a svvash “iÜ 2G Aiiorney Dockei ifiriíi/i 18 oieie engie is veriehie, or en eiecirie drive systern wiiere ine eieoirio powersoopiy is swiieiied. Even in such verieioie speed drive sysierris, however, ihe rneximiimopereiing soeed is either fixed or, ii verieiaie, ourrihersorne io ohenge wiiiie ineworking rneehine is being ooereied, Soeeiiioeiiy, in eii eurreniiy eveiiehieediosiehie ooniroi drive sysierns, ine maximum speed seiiing is inecie hy emechenisei iever, roiery knoh, or ineehehioei ieiching device. in sueheoniigiireiioris, en oeereior musi remoife ei ieesi one of his iiends irom theeoniroi hendie ie make eny ediusimeiiis io ihe maximum oeereiing speed.Assordingiy, making sueh edjiisiinenis een resuii in ine opereior ei ieesioeriiaiiy iosing some degree of coniroi over ihe working machine. in view oiihese issues, ii wouid he desiraoie ior e ground speed soriiroi sysiem ie eiiow for edjosirneni ei ihe maximum speed seiiiiig oi ine vvorking ineohine wiiheoi diminishing ihe opereiors eiaiiiiy ie ooniroi ihe working nieohine. SUMMARYin eooordenoe ifviih inis disoiosore, edjiisiehie ground speed oonirei devices, sysierns, end ineihods for iiveiieeehiiid edoiorneni ere provided. inone espeoi, e verieoie speed ooniroi sysiem for e irveiiebehind working ineohineis provided. The »feriehie speed ooniroi sysiern een iiieiode e ooniroi sysiernbase, one or more ooniroi iever ihei is seieoiiveiy rnoveoie with resoeei io iheooniroi sysierri ioese heivveen e iirsi ooereiing oosiiien end e second opereiingoosiiion, iirsi end second soeeci ediosimeni eoiueiors posiiioned on ihe ooniroi sysiern hese oroxirriei io ihe one or more ooniroi iever, enci e ooniroi onii eg- “iÜ 2G Attorney Socket t449/t t8 contigured for communication with the one or more oontroi fever, the first andsecond speed adiustment actuators, and a machine component. in thisconfiguration, the controi unit can he oontigured to seieotiveiy controi theoperation ot the machine component between a minimum operating speed anda variahie maximum operating speed, the variaoie rnaximtiin operating speedttaving a variahie vaiue, Where the first speed adjdstment actdator can hecontigiired to increase the vaiue ot the variahie maximum operating speed (eg,op to a system niaxirhum speed), and the second speed adiirstment actuatoi'can he configured to decrease the vaioe ot the variahie maximum operatingspeed. “the one or more controi iever can he configured to controi the inachinecornpoitent to operate at the minimum operating speed witen the one or therecontroi fever is in the first anguiar positions and the one or more controi fevercan pe oonfigtired to controi the machine component to operate at the variahiemaximum operating speed irrhen the one or more controi iever is in the secondangoiar position, in another aspect, a ntethod for varg/ing a speed ot a tvaiiohehindworking machine is provided. "the method can inoiode moving one or moreoontroi iever with respect to a oontroi system oase hetvveen a first operatingposition and a second operating position and, vtfithout reieasirig the one or morecontroi fever, seiectitfeiy acioating one of a first speed aciiustment actuatoi” or asecond speed aciiustmeni: aciuator positioned on the controi system haseproximai to the one or more controi fever. in this ivvay, pivoting the one or more controi iever to the first operating position can controi a machine component to eg- “iÜ 2G Aiterney Decket tfiIiSi/“t 18 eperate at a minimum eperiating speed, vvnereas piveting ine ene er merecentret iever te ine seccnd eperating pesitien can centret tne macninecempenent te eperate at a variabie maximum eperiating speed, Wnerein a vaiueet ine variabie maximum eperating speed is variabie. Ftirtner, aciuating ine tirstspeed adjustment aciuater can increase ine vaiue et ine variabie maximumeperating speed, and actuaiing ine seccnd speed adjtistment actuaier' candecrease ine vaiue et ine variabte maximum eperaiing speed. Aiineugn seme ei ine aspects ei ine subject matier disciesed nereinnave been staied nereinabeve, and vvnicn are acnieved in vvneie er in pari byine preseniiy disctesed subject matter, einer aspects wiii become etfident as inedescription preceeds wnen taken in cenneciien wiin ine accempanying dravvings as best described nereinbeiew. EšFtEEF ÜESCREPTEON OF Ti-iiš ÜRAWENGSTne features and advantages ei ine present subject matter wiii be mere readiiy understced irem ine teiievving deiaiied description wnicn sneuid be readin ccnjurictieri iiviin ine accerripanyiiwg draifvings tnai are given rnereiy by way eiexpianaiery and nen-iimiiing exampie, and in wnicn: Figure ia is a perspective view et a variabie speed centret system in efirst eperating pesitien accerding te an ernbedirnent et ine preseritiy disciesedsubject rnatier; Figure ib is a perspective view et a variabie speed centret system in esecond eperating pesitien according te an embedimeni: et ine preseniiy disciesed subject rnatier; “tÜ 2G Atterney Decket tried/t 18 Figure 2 is a schemattc representation ot a drive system ter a sett-prepeiied machine according te an embediinent et the presentiy~disctesedsubject rnatter; Figure 3 is a bieck diagram itiustratirtg a system ter adiusttng a maximumeperating speed et a seif-prepetied machine according to ene aspect et thesubject matter described herein; and Figure 4 is a tirent view et a variabie speed centret systern according te an embediinent ot the presentty disctesed stibiect matter. DETAELEÜ ÜESCREPTEÛN "the present subject matter provides yariabte speed centret systems andrnethods tor Waitt-behind yyerking rhachines, such as tawnnieyyers and simiiarpowered niachines. in ene aspect, the present subject rriatter provides variabiespeed centret systems and methods that can vary speed, cemtertabty heict atixed speed, and yary the maximum speed at yyhich the tyorking rriachine iseperated. Speciticaity, tor instance, as shown in Figures ta through 2, a variabiespeed centret system, generatiy designated tüfi can cemprise a handie tidcenfigured to be grippect by an operater to centret the operation et a workinginachine, such as a tawnrnovtfer er other smati povrered machine, te yyhichhandie “itu is connected. A centret system base 12% can be attached te erotherwise pesitiened near handte ttd. A disptay t22 can be provided en centretsystem tease 'tââ te provide »earnings or other indicatiens of the operating state ei the twerkiitg inachine, and an engine engagemerit contrei “tält (eg, a push~ eg- “iÜ 2G Attornay Basket t449/“i 18 huttan startar). A pair at cantrai iavars, ganaraiiy dasignatad “išüa and tíšüb,can ba rnavahiy attached ta aantrai systarn basa "tâd With this ganaratconfiguration, carttrai iavers tišüa and tišdb can ha rnavad ia aanirai aparatianat a rnaanina aanibanani, such as tar axarnpia a variabia transrnissian tar asait~arabai systani at the warkirtg rnaahina. in aartiauiar", a tirst cantrai iaver “išda can carnprisa a tirsi iavar arrn tíšâahaving a first end that is aivatahiy attached ta cantrai systain base tâü tag.,abaiit a aivat axis that extands thrdugh aantrdi systern hasa 12%) and a saaandand sabstantiaiiy apbasing tha tirst and that carnarisas a tirst grip aartian “BådaLikewisar a sacand aantrdi ievar tëdb aan aarnbrisa a saaarid ievar arrn 132%:having a first and that is aivatahiy attached ta sdntrai systern basa “tätt and asacand and stibstantiaiiy aaaasing tha tirst and that aarnbršsas a sacand gripaartian “iišlta Saacitiaaiiy, tar axanwaie, as shawn in Figtiras ta and th, aaah attirst and ssaand aantrai iavars “tåüa and “tšüb aan hava a stitastantiaity L-shaaad aratiia, with tirst and seaand grip aartians tišda and "tišab axtaitding at anan-Zara angia tag., hetvvaen ahaat 5G and 9G dagrass) avvay trarn tirst andsaaand iavar arrns tišâa and 'tšâa rasaactivaiy. This anguiar arranganientaiiatfrs tha aasratar' ta grab ana ar bath at tirst ar ssaand grip partians “tårta ar134kr in a aanttartabia hand pasitian and bivat tirst and saaand caritrai iavarstßüa and/ai* tišüb With raspaci: ta aantrai systarn basa tåü. in santaarnhadirnarits, tirst and sacand iavai” arrns tišâa and tßâh aan ha aaapiad tarratatian tagathar, irrharaby nivating at ana at tirsi: ar saaand iavar arrns tïšâa ar 132kr tag., by prassina an a rasar-active ana at tirst and saaarid grip aartians ag- “iÜ 21) Attorney Socket 1442/118 134a or 134m causes a corresponding movement ot the other. Aiternatitfeiy,tirst and second iever arms 132a and 13213 can he independentiy rnovahie withrespect to controi systern hase 123 such that the operation ot either (or tooth) oitirst and second iever arms 132a and 1321o can he moved to controi operationoi a machine component. in this regard, to controi the operation ot the associated rnachinecomponent (e.g., a seit~propei system), tirst and second controi ievers 13íta and13% can he seiectixfeiy pivoted with respect to controi systern oase 123hetween a tirst angoiar position (See, eg., Figure ta) at which tirst and secondgrip portions 134a and 13411 ot tirst and second oontroi ievers 13üa and 13311are spaced apart trorn handie 113 and a second angoiar position (See, eg.,Figure 213) at which tirst and second grip portions 134a and 13% are drawnagainst handie 1111. Further in this regard, in sorrie ernoodirnents, when in thesecond position, at ieast a portion ot each ot tirst and second grip portions 13r1aand 134h is positioned within a recess that is formed in an edge ot handie 1113. in any configuration, the movement ot tirst and second controi ievers13fia and 13311 between the tirst and second anguiar position can invoivepivoting the controi iever through a iirnited angtiiar range (eg, about 35degrees) such that the movement: ot tirst and second coniroi ievers 13i3a and1311111 can he comtortahiy pertormed hy the operator without: ietting go ot handie1111. in other tivords, white the operator is hoiding handie 113 to steer orotherwise controi the vtrorking inachine, the operator can extend his/her thtirnos and/or paims haokvifarcis a short: distance (eg, aiooot "it mm) to grah one or “iÜ 2G Aiiorney Deckei 1449/1 18 bein of iirsi and second grip periions "EM-e and 13% wniie keeping bis/ner einerfingers en nandie 11%. Fdriner in inis regard, a iirsi speed adiusirneni acieaier 14% and asecond speed adiusirneni aciuaier 14% can aise be provided en conireisysieni base 12%. Firsi and second speed adiusinieni acieaiors 14% and 14%can be used in cernbinaiien wiin iirsi and second cenirei ievers 13% and 13%io iuriner conirei ine eperaiing siaie of ine working rnacniiie in ineconfiguration sbewn in Figeres ia and ib, icr exarnpie, iirsi and second speedadiesiineni acinaiers 14% and 14% can cernprise pusn biiiions posiiicnedprexiinai io iirsi and second ceniroi ievers 13% and 13%, respeciiveiy. in inisarrangemeni, an cperaier can easiiy reacb and depress ine pesn buiiens wniieneiding iiandie 11ü and/or' iirsi and second ceniroi ievers 13% and 13%. ineeriiciiiar, iirsi and second speed adiusinieni aciuaiors 14% and 14% can bepesiiienee adiaceni ie a naiiirei iniiinb posiiion ei en operaier wnen ineoperaier is inanipiiiaiing iirsi and secend ceniroi ievers 13% and 13%. in ineconfiguration shown in Figeres ia and ib, ior exainpie, seen a eesiiieniiigresuiis in iirsi speed adjiisirneiii aciuaior 141% being posiiiened ai or near arignfernosi edge ei conirei sysiein base 12% seen inai ii is near ie iirsi oonireiiever 13%, and secend speed ediusirrieni aeieaier 14% is posiiiened ai: ernear a ieiiæniosi edge ei eeniroi sysieni base 121) secn inai ii is near ie secondconirei iever 13Qb. Aiierneiiveiy, iirsi: and second speed adiiisirneiwi aciiiaiers14% and 14% can be previded in any ei a varieiy ei einer ierrris, ineiiiciing by nei: iirniied ie a iieciiie swiieb, a eepeciiance sensor, e membrane vifiin eg- “iÜ 2G Aitorney Socket iftriít/i 18 capacitance sensing, or any other device that is sensitive to touch. in anyconfiguration, variahie speed centret syrstern “tee can he designed io he easiiyinanipuiaied wiiiie the operater inaintains overaii coniroi dt the Workingmachine. in operation, Where the machine component is a seitpropei system tor aworking inachine, moving tirst and second centret ievers “iâüa and iíšüh ie thefirst anguiar position can controi the machine io he in a first eperating state,which can he a minimum eperating speed or a disengaged state (Let, no iordueappiied). Cenverseiy, upon meirement ot tirsi and second centret ievers iëüaand 13% ie the second angtiiar position, the machine coinponeni can hecontroiied to he in a secend eperating state. Again, ter insiance, where themachine component is a seii-propei system for a working rhachine, the secondoperating state can he e iuiiy engaged or high speed state (ie, toreue aopiiedto ihe drive systern such thai the yyorking machine is nioved ai a seieciedcruising speed). Furthermore, those having skiii in the ari wiii recognize that tirsi andsecond centret ieyers išea and *iïšüh can additionaiiy he pivoted to any ot ayfariety of interrnedieie anguier positions to correspondingiy cperate themachine component in ene er rnore partiai engagemeiit states (eg, icw- tomeditinispeed cpereting states of the seit~prcpei systern), in ihis way, theoperatcr can seiectiveiy eperete the inechine component: et states hetyyeen iihefirst and second operaiing states. For exempie, where the rnachine cornponent is a seii~erepei system, posiiioning first and second centroi ievers iišoa and eg- “iÜ 2G Aiiorney Socket trilla/i 18 "iišüid ai a saieeted iriierrnediata eosiiiori aan oontroi ine saii~prepei systern tooparaie at a speed thai is oreporiienai to ine reiative anguiar travet oi tirsi andseeend oontrdi ievars iåüa and "iïiüia neiwean the first and saoond oparaiingstaies, At any oesiiien, however, iirsi and seeend cdniroi ievers “iâüa and 13%oan be ooniiguraoi io be cernidrtabiy heid and rnaniouiaied ny ine operaior whiiainainiaining a grip dn nandie "Eid Furthermore, iirst and second spaad adiustrriaiii aoitiaiors “Edda and"isen can provide additianai coniroi ever ina range oi operating siaies avaiiania.in particiriar, iirsi and sacanci spaaci acijtisiniant aottiaiors "iaüa and “Man canha caniigurad to adiiisi ina vaiua oi a paraniatar oi ine otiipui at ine seoondoparaiihg stata oi ine niacnina component. Again, in tha case where inamacnine component is a saii-oreoai system tar a working inaehina, iar axainpia,this adjustrrierit aiiovifs the niaxirriurn cperating speed setting oi the seii-preeeisystern te se adjusted based on ine preferences ei ine eperater. in one errinediinent, for exarneie, iirsi speed adiiisirrient aeiirator “Eddaean be eeeranie to cnange the rnaximurn operating speed setting oi ine seii-eropei systern to nave an inerernentaiiy nigher vaiiie, wnereas second speedaciiiisirnent aciiiater titan can iae eperaiaie change ine rnaxirniiin eperaiingspeed setting oi ine seii~propei systern io nave a decrenientaiiy tower vaiiie. ininis way, iine adiiisirnenis ei ine inaxirnum operaiing speed setting oi ineworking rnaenine can ne rnade witnout dirninishing ine operator“s aiuiiiiy to eoniroi ine »working rnacnine. Sig.. “iÜ 2G Atterney Decket tfiItSt/i 18 “the centret inputs from iirst and second centret ievers “tâüa and 13%and tirst and second speed adiustnient aetuators teüa and 'ieeh can then hecernrnunicaied te the operation et the working rnachine. in serne emhediments,ter exampie, the working machine can utiiize a hyhrid system, such as isiiiustrated in Figure 2, in which the working eienient (eg, a hiade when workingrnaehine is a tawn rnewer) is driven ey' a cernhustiort engine, generaiiydesignated 15%, and the seii propeiied drive system, generaiiy designated tee,is driven ey an eiectric motor 'teâ that is coniigtiied te suppiy power to ene ormere wheeis "H54 ei the seii-prepeiied machine at a seiected ienfiiard groundspeed. Ürive system tee can he inechanieaiiy driven hy engine tšü directiy, oras shewn in Figure 2, drive system 'tee can he eiectricaiiy driven, and theoperation ei drive systern “tee can he centreiied ey the operation ei a centretunit Eee (eg, an eiectrenic centret unit (ištliíi) that is in communication withheth engine “tššü and variaeie speed centret system "tee in serna aspects, ter exampie, drive systern tee can cernprise an eiectrictransmission, and eiectric meter tdå can he an eiectric transmission iriotor thatis powered using an eieetrieai actuater er generator tšš er any other type oiretating object (and/er a battery where engine 15% is net running). in serrieaspects, eiectricai actuaiier er generator 155 can tee cotipied and/er ineuniedenie a crankshati: ei engine tše. Eiectric inetor ”teâ can he adapted te direetiypevvei* drive systern tee, and drive system “tee can ide adapted te transterandifer suppiy poyyer directiy te the ene er more wheeis tätt ei the seii-prepeiied machine. 41- “iÜ 2G Attorney Socket telia/t 18 As discussed above, variabie speed oontroi systeni "too can heoonfigured to be operahie by an operator to seieot a desired ground speed ofthe seit~propeiied rnaohine. in partiotiiar, the desired ground speed cart heseieotiveiy chosen hy the operator through rnaniptiiation of variahie speedoontroi systeni too, suoh as by rnoving first and seoond oontroi ievers tíšüa and"tišüb to any of a range of operating positions corresponding to one of apredeterniined range of desired ground speeds. This operabiiityadvantageousiy aiiows an operator to choose a ground speed that hest suitsthe terrain and/or the opeifatons rnobiiity, ainong other factors. Furthermore,the vaiue ot the cruising/maximuin operating speed corresponding to thesecond anguiar position of first and second controt ievers "tâda and 13% (i.e.,tuiiy-depressed against handie tid) oan he adjusted up or down hy operatingfirst and second speed adiustrnent actuators “Edda and 'Mob in this way, userswho desire to operate the seif-propeiied inaohine at iovrer speeds do not needto caretoiiy hoid first and second oontroi ievers “tišüa and *tïšdh at an unstabieinterrnediate operating position hetvifeeiw the iuiiy disengaged and fuiiy engagedstates. iïšather, such users can sirnpiy change the maxinturn operating speedsetting using first and second speed adiostrnent actoators "td-da and 14%, andthen rnove first and second oontroi ievers tišda and “tâtšh to the toiiy engagedposition. "this adiustabiiiiy thus aiiows the operator to pick a rnaxirrturn operating speed that can be easiiy and oonsistentiy achieved without oontinuousiy adiusting the position of tirsi and second controi ievers tßüa and tßüb. 42- “iÜ 2G Atterney Socket trilla/t 18 in tbis way, the desired ground speed can be seiected by the operater,vvitb variabie speed centret systern “ide being coniigured to transrnit tneseiected desired ground speed, in the terrn of a signai er puise, to drive systern"tßu via centroi trnit 2%. For exarnpie, variabte speed centret systern "tee canbe coniigured to transrnit an eiectricai signai or puise (eg. a cdntroi signai) tooontroi unit 2% by Way ot an etectricai sensor. Variabie speed centret systern“iüü can aiternaiiveiy be contigured to transrnit a digitai er anaieg signat tocentret unit 2%, white other aiternaiive rrreans et oontntunicatien can aiso beutiiized. in ene aspect, the centret signai can cernrrrunicate ine desired groundspeed te centret unit 299 essentiaiiy as a ratio et the desired ground speedoornpared to a systern rriaxintuni ground speed setting (eg, vvnicn can beeeuai to er greater tnan ine user-defined maximum operating speed settingcentreiied by tirst and second speed adiustrnent actuators til-ida and Hub).Under nerrnat eperating conditions, centret unit Que can be coniigured te centretdrive systern “ide to drive tne seit-prepeited rnacnine at ine desired groundspeed setected by way oi variabie speed centret systern tee. Centret unit Que can cerrespondingiy be contigured to receive ine centretsignai trorn variabie speed contrei systern tee. Based at ieasi partiy en ttrisinput, centret unit 2% can transrrrit power to drive systern 'ide via eiectric :notor152, ttrereby controiting ine transmission speed or actuai ground speed oi iineseii-prepeiied rnacnine (eg, by driving yviieeis ide). For exarnpte, centret unittät) can be coniigured so tbat the controi signai can be transrrtitted as a signai or puise to a rnicrocontreiier” ätit. in one aspect, engine porver can tee -1^3- “tÜ 2G Attorney Socket tfiIiSt/“i 18 cornrnurticated to controi unit 2% as aiternating current or AC power. Whereengine “išd is contigured to communicate AC power to controi unit 2%, thencontroi unit 2% rttust convert AC power to ÛC power petore reacning eiectricrnotor 152. in ene aspect, ter exarnpie, engine "tšo trensrnits power to a rectitier 2G2 or any' ether device that cont/arts aiternating current (AG) te direct current (DCS. I Atter power has been converted trorn AC power to BC power, aDC power ous âüe can coirintunicate said power in the form ot a signai or puiseto a power deiivery systern, generaity designated 2%, in order to controi thepower suppiied to eiectric motor 'toâ Power deiivery systern 2% can compnsethat ot a puise width rnoduiator or (Ptfiiit/i), a potentionieter, or a rheostat. in ene particuiar' configuration, tor exanipie, the controi inputs trorn iirstand second speed adiustrnerit actuators "Moa and “ieüp can he cominunicetedto and interpreted by controi unit 29% in the process shown in Figure 3. Asiiiustrated in Figure 3, actuaticn ot tirst speed adjustrrieitt actuator 'Moa cancoininunicate a speed increase signai ïtüâa to controi unit 2%, whereasactoatioit ot second speed adiostrnent actuator 14% can cornrnuiticate e speeddecrease signai ïšüâp to controi unit Rud. An input reception step 319 can thusinciode controi unit Eee receiving these inputs, and a comparison step 32% canincitide identitying whether one ot speed increase signai išišåa er speeddecrease signai išüâo is being cornrriunicated. Specificaiiy, centroi unit 2% cantest whether a speed increase is reouested (se, in a speed increasecornparison step 322a) or a speed decrease is reduested (eg, in a speed decrease comparison step 32%), in sorne ernoodirnents, a doupieinptit check 44- “iÜ 2G Attorney Decket trilla/i 18 342 can he pertormed hetcre ccmparisen step íšâü te avoid tinnecessarychanges in the maximum eperating speed setting when heth ct first and secondspeed adjustment actuators 14% and 14% are eperated simuitaneousiy, When cniy a singie input is provided, hcwever, it a speed increase isreduested (ie, speed increase comparisen step 322a returns a true vaiue),centret unit 2% can further determine Whether increasing the maximumeperating speed setting wouid cause the systern te exceed a system maximumsetpcint (e.g., marititacturer-set maximum speed) in a rnaximum ccmpariscnstep šíšua. it an increase weuid net exceed the system maximum setpcirit, aspeed increment step 34ua can increase the maximum eperating speed setting.it the maximum cperating speed setting aiready eeuais the system maximumsetpcint, ne change is made. Aiternativeiy, it a speed decrease is reguested (ie, speed decreasecempariscn step 32% returns a true vaiue), ccntrei unit 2% can turtherdetermine irrhether decreasing the maximum eperating speed setting wouidcause the system te taii heiew an estaiaiished system minimum setpeint in aminimum cempariscn step 33%. it a decrease yvcuid nct pring the systemheiew this vaiue, a speed decrement step 34% can decrease the maximumeperaiing speed setting. it the maximum eperaiing speed setting is aiready atthe system minimum setpeint, ne change is made. "the inaximum operating speed esiahiished iey this er ey anether precesscan he dispiayed te the eperaier te identity the current setpeint at vvhich the working machine is eperating and te provide visuai teedhack ie the operator ,.. då)- “iÜ 2G Attorney Decket trilla/t 18 with respect te hevv the actuatien et tirst and second speed adjustmentactuaters teüa and “ie-dh attect the maximum eperating speed setting. Asstiewn in Figure 4, ter exampie, a speed setting indicater 123 can he prevideden dispiay "E22 te graphicaiiy indicate the current setpoint et the maximumeperating speed vvithin the range et pessihie vaiues (eg, hetvveen a systernrninirnum setpeint and a system maximum setpoint discussed above). in thisregard, speed setting indicater “E23 can be provided as ene et an LEK) dispiay,and LCD dispiay, an array et indicater tights, er any et a variety et other dispiaydevices known te those having sitiii in the art as being ahie te cenvey a ifaiueand/er reiative speed setting within a given range. in some aspects, the subject matter described herein may beimpientented in sottvvare in cernbinatien vvitit hardware andifer firmware. Ferexampie, the subject matter described herein may be intpiemented in softwareexecuted toy a processer (eg, a hardware-based processer), micreprocessor,and/er micrecentroiier ot the eiectrenie centret unit. in ene exempiaryimpiententatien, the subject matter described herein may be irripieiriented usinga itenaransitory computer readahie medium having stored thereon computerexeeutabie instructions that when executed by the processer ei a computercentret the cornputer te perform steps, Exempiary computer readabie mediasuitabie tor impiernenting the subject matter described herein inciude nen-transitery devices, such as disk mernery devices, iegic: devices, iogictransisters, chip memory devices, pregrammabie iegic devices, such as tieid pregrammaeie gate arrays, and appiicatien speciiic integrated circuits, in 516.. “tÜ Attorney Decket t449/t 18 additien, a eernputer readabie rriediurn that irnpternertts the subject matterdescribed hereih may be teeated en a sihgte device er eemeuttng etatterm errnay be distributed aeress rndttipte devises er rndttipte eernputirtg eiatterms. The present stibjeet matter san be ernbedied in ether terms withedtdeparture trern the spirit and essentiai Characteristics thereet. Theembedirnehts described theretere are te be eensidered in att reseeets asiitdstrattt/e and net restristive. Attheugh the present subject rnatter nas beendescribed in terms et certain preferred ernbedimertts, ether ernbedimertts thatare apearerrt te these ef ordinary sktti in the art are atse within the seebe et the present subject matter.
权利要求:
Claims (20) [1] 1. CLAEMSWhat ie ctetrried ie: t. A verietete speed centret syetern ter e wettehehtnd Working inechine, the systerncernprietng: a centret system heee; ene er mere centret tever seteetivety tnevaete with respect te tne centret systembase between e tirst eeeratirtg pesttten ene e seeend eeerattng eesttten; ttret end seeertd eeeee editistinent eeteeters eeeitiened en the centret systenteese erextmat te the ene er mere centret tever; ene a centret unit centigtired ter eetnntentcatten with the ene er mere centret tet/er,tne tiret end second speed ecttustrrtent ecttteterst end e ineehine eernpenent; wheretn the centret unit ie centteered te eeteetivety centret the eeeretten et therneehine cerneenent hetvifeen e rntntrnttnt eeerattng eeeect end e verietete rnexirnttineeerettng speed; wheretn the tiret speed ediuetnient eeteeter ie centigttred te cernrnttnieate withthe centret unit te tncreeee e vetue et the variehte rnextntttrn eeerettng speed; wheretn the eeeene speed actteetrnent eettteter te eentigttred te cernrnttnteetewith the centret unit te decreeee the vetue et the verieete ntextmurn eeerettng speed;end wheretn the ene er rnere centret tever te centtgured te eentrntinteete with thecentret unit te centret the rneehtne cerneenent te eeerete et: the rritntntern eeeretingspeed when the ene er rnere centret tever ie in the ttret eeereting eeeitten, end vvherein the ene er mere centret tever ts eentieured te centret the machine eerripenent te eeerete Atterney' Decker. 144911 18 at the variahie maximum eperattng speed when the ene er mere centret iever is in the secertct eperating pestttert. [2] 2. The variahte speect centret system et ctatrn t, wherein the machine cernpenentcernprises a variahie trensmissien ter a seif~prepet system ef the watt-ting machine;wherein the minimum eperating speect cemprises a eisengagee state et themachine cempenent; andwheretri the vartahie maximum eperating speeet cemprises eperatien ef the sett- prepei systern at a cruising speed defined hy the variaete vaitie. [3] 3. "the vartatete speeet centret system ef ctairri t, wherein the ene er mere centretfever' eeihprises: a ttrst centret tever seiecttvety mevahte irrtth respect te a first side et the centretsystem base, trvherein the tirst speee aejustrnent actuater is pesitiened prexiinat te thefirst centret tever; and a second centret fever setectiveiy mevaieie with respect te a secenci sicte et thecentret system base, wherein the secene speee aciitistment acftiater is pesitieriee preximat te the secene centret tever. [4] 4. "the variaeie speeet centret system ef ctatm 3, vtfherein the first centret fever and the secene centret fever are eeupiee ter inevernent together with respect te the centret system base. _19- Atterney' Decket 144911 18 [5] 5. The variahte speed ooritroi system ot ciaim t, whereiri the first and second speedadjustment actuators each cemprise a device setected trorn the group censisting ot apush button, a tactiie switch, a oapacitance sensor, and a rnernhrane with capacitance sensing. [6] 6. The vartahte speed centret system ot ciatm t, whereiri the ooritroi unit tscentigured to seiectiveiy centret the operation ey controiiing a power deiit/ery system connected te the machine component. . A variaete speed centret system tor a waiteeenind working machine, the systemcentprising: a centret system ease; first and second centret ievers seiecttvety pivetabte vvith respect to the centretsystem iease betvreen a tirst angutar pesitien and a second anguiar position; a tirst speed adjustrnent aotuator pesitiened en the oontret system case prexianaito the tirst centret iever; a second speed adjestment aoteatei' positiened on the oontrot systern baseprexirnat te the second centret iever; a centret unit contigurect tor communication tivith the tirst and second contretievers, the tirst and second speed adiustment: actuators, and a machine component; trrheretn the centret unit is centtgtired to setectivety controi the operation ot themachine cornponent between a ntintmum operattng speed and a variaioie maximum operattng speed; -2Ü- Attorney' Docttet 144911 18 wherein the tirst speed adiustment aeteater is centigured to coinmunicate withthe centret unit to increase a vatde of the variahte maximum operating speed; wherein the second speed adjustmertt actuater is contigured to communicateWith the centret unit te decrease the vaiiie et the variahte maximum eperating speed;and wherein the first and second centret tevers are eentigiired te communicate withthe centret unit to centret the machine component to eperate at the ininirnum eperatingspeed when at ieast ene et the tirst and secend centret ievers is in the tirst anguiar'positien. and wherein the tirst and second centret ievers are eentigured to centret themachine centpenent te eperate at the variahte maximum eperating speed when at teast ene et the tirst and second contret ievers is in the second angutar position., 8. "the vartahte speed centret systern et ciaiiri [7] 7. wherein the machine cemperwentcemprises a variahte transmission ter a sett~prepet systern et the yvorkirwg machine;wherein the minimum operating speed cemprises a disengaged state ct themachine component; andwherein the variahie maximum cperating speed cemprises operation et the sett- propet system at a cruising speed defined hy the variahte vatue. 9. "the variahie speed centret system et ciatm 7, wherein the ttrst centret tever and the second centret tever are ceiipted tor inovernent together with respect to the centret system base. _21- Atterney' Decttet 144911 18 tf). The vertebte speed centret system et etetnt 7, wheretn the first ene seeenct speedeejttetntent eeteeters eeeh eernprtee e device seteetee trent the green eenststtng et epush betten, e teetite switch, e eeeeettenee eeneer, ene e rrternbrene with eepeettenee sensäng. tt. The vertehte speeet centret systern et etetrn 7, whereän the centret entt tseentšguree te seåeettveåy centret the eeeratten ey eentreåttrtg e newer etettt/ery system eertneetee te the machine eerneertertt. tå. A rnetheet ter veryirtg e speee et e, weåk-hehtrte werktrtg machine, the rnetnedeerrteršstrtg: rnevâng ene er mere centret âever with respect te e centret systern eeee betweene ttrst eeerettng eeeštšen ene e seeene eeerettng pesttšen; trrttheet reteeešng the ene er rnere centret tever, seteetšveiy eetttettng ene et e firstspeed eejuetntent eeteeter er e eeeend speed edteetrnent eetueter eeetttenee en thecentret systern beee erexšrnet te the ene er rnere eentret tever; wheretn ntevtng the ene er rnere centret tever te the ttrst eeeretšng eeeštšencentrets e rneehtrwe eernpenent te eeerete et e rnšntnturn eeerettng eeeee; trrheretn rnevtng the ene er rnere centret âever te the eeeene eperettng eestttencerttreis the rneehtrfie eernpenent te eperete et e verietete :nexârnurrt eeerettng speed; trrheretn eeteettng the first seeee ecttttstrnent eeteetier tnereesee the vetee et the vertehte rnextrnern eeerettng speed; ene _22- Atterney Decker. 144911 18 wherein actuating the secend speed adjustment actdater eiecreases the vaiue ot the variahie maximum operating speed. tB. The method et ctaim t2, wherein the machine cempenent comprises a variahietransmission ter a sett~prepei system et the working machine; wherein certtrotiing the machine cempenent to operate at the minimum eperatingspeed cempnses eperating the machine cempeneht in a disengaged state; and whereiit eentretiing the inachthe cempeneht te eperate at the variahie maximumeperating speed cemprises eperating the seit-preeei system at a cruising speed defined ey the vaiue et the variahie rnaxiinum eperating speed. trt. "the method et ctaim tå, whereth moving ene er mere centrei iever with respectte a centret systern base oornprises piveting a tever arm et at ieast ene ot the ene ermere centret tever, the iever arm being pivetaoiy ceupted to the centret systern ease; tfrherein moving the ene er mere centret tever te the tirst eoerating pestttenoentprises pivoting the ievei' arm to a tirst angeiar oesitien reiatitfe te the centret systemeaseçand trrherein moving the ene er mere centret iever te the second eperating pestttenoornprising piveting the iever arm te a second angutar pesition reiative te the centret system base. 15. "the method et otaim tâ, trrherein aeteatiing ene et a first speed adtustment aetuater er a second speed adiestmeitt aetuater comprises pushing a push ieutten er _23- Attcrney' Decker 144911 18 tooching one ot a taotite switch, a capacitance sensor, or' a rrrenthrane with capecitance sensing. to. The method ot ctaint t.2, whereân moving the one or rnore controt iever Withrespect to a controi systern hase cornprises moving at ieast one ot a tirst controt ieversetectivety ntovaiote with respect to a first side ot the controi systern hose or a secondcontrot tever setectivety inovaiote with respect to a second side ot the controi systernhaseçand wherein setectivety actuetâng one ot a tirst speed adtostinent actuator or asecond speed adjustnient ectuator cornprises setectivety activatiitg one ot the tirstspeed adjustnteht ectoator postttoned proxirhet to the ttrst controt tever or the second speed ediustmerit actoetor positioried pifoximat to the second coritrot tever. tT. "the rriethod ot ciairn to, wherein the first controi tever and the second controttever are coupted together; and wherein moving at ieast one ot the tirst controt tetfer or the second controt ieverresuits in hoth ot the tirst controi iever and the second controt tetfer with respect to the contrci systern hose. 1 [8] 8. "the method ot ctaint tå, wheretn actueting the ttrst speed adjostrnent actuator cornprises cornparing the vatoe ot the tfariahte ntextrrturn operating speed to a systern rnaxirnorn setpotnii; and _24- Attørney' Decker. 144911 18 increasing the veiue ot the variehie maximum eeereting speed hy en inerernent itthe vaiue et the variabie maximum Operating epeeei is iess then the system maximum setpoint. 1 [9] 9. The methetri ot eiaim 12, wherein ectuatirtg the seeenci speeci eciiustmentectuater eemprisee eemparing the vaiue et the veriabte maximum operating speed te asystem minimum eetpeint; and decreasing the vaiue et the variahie ntaxintum epereting epeeci hy e ctecrement itthe veiue et the t/ariahie maximum epereting speed ie greater than the system ihinintum setpeint. 20. The method et' cieim 12, wherein met/ing ene er mere centret iever with respectte e eentrei eyetent base between e tiret epereting position and e second eperatingpesitien tfaries an etitput of e power deiivery system connected to the mechiite eerripeiwent.
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引用文献:
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申请号 | 申请日 | 专利标题 US14/514,324|US9403435B2|2014-10-14|2014-10-14|Adjustable ground speed control devices, systems, and methods for walk-behind equipment| 相关专利
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