• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An improved automotive choke control reduces the pollutant content of automotive exhaust gasses by regulating a choke to supply fuel-enriched air-fuel mixtures to an internal combustion engine or motor only while such enriched mixtures are necessary to facilitate motor starting and to supply leaner air-fuel mixtures to the motor as soon as the motor is able to utilize the leaner mixtures while the motor is being heated to its normal operating temperature. In the control, a thermostat metal coil is arranged to move and to open a choke valve as the coil is heated. Two self-regulated electrical resistance heaters are thermally coupled to the thermostat metal coil for heating the coil to open a choke at selected rates, one heater being arranged to be energized when motor operation is first started for assuring that opening of the choke is initiated promptly after motor starting particularly at lower ambient temperatures and for assuring that opening of the choke proceeds at least at a selected rate, and the other heater being arranged to be energized upon actuation of a thermostatic switch at ambient temperatures above a selected level for opening the choke at a relatively faster rate and for assuring that full opening of the choke is completed promptly after the motor has reached its normal operating temperature particularly at higher ambient temperatures. Also shown is a novel and advantageous heater element having two portions arranged to serve as separate heaters in the control device.
    公开号:SU797605A3
    申请号:SU731987942
    申请日:1973-12-04
    公开日:1981-01-15
    发明作者:Джозеф Армстронг Джеймс
    申请人:Тексас Инструментс Инкорпорейтед (Фирма)；
    IPC主号:
    专利说明:

    Heaters include a thermal switch associated with the heat transfer to the environment, and the thermostatic unit of the device. It can be enclosed in a housing connected to the engine with the heat transfer.
    FIG. 1 shows the proposed device, the appearance; in FIG. 2 a cross-section A-A in FIG. 1, in this case, the temperature switch is shown in the off state; in fig. 3 is a cross-section bb in fig. 1, the thermal switch is shown in the on position; in fig. 4 is a diagram of the device.
    Inside the body 1 of a strong dielectric, a thermo-regulating organ is placed in the form of a helix 2 of a bimetallic tape, with a metal layer with a higher coefficient of thermal expansion located on the inner surface of the helix 2. At one end of the helix 2, an actuator 3 is used to act on the air damper control 4. The other end of the helix 2 is fixed in the slot
    5 bushings 6 of the heat sink element .7, which is mounted on the inner
    annular ledge housing 1. Sleeve
    6 can be made in one piece with the heat sink element 7 or as a separate part connected to it. Heat sink element
    7 and sleeve 6 are made of metal
    with high thermal conductivity. The heat-removing element 7 is attached to the inner end of the body 1 by rivets 8, under the heads of which on the outer surface of the body 1 there are connecting busbars 9. The connecting bars 9 are in contact with the metal ring flange 10 with which the device is connected to the carburetor body 11. In case 11 of the JTOpa carburet, a hole can be made connecting the device cavity with the engine exhaust manifold.
    8cavity 12, which is formed by the heat sink element 7, the annular inner lug of the housing 1.
    and its end face are two electric heaters 13 and 14, pressed to the surface of the heat sink element 7 by springs 15 and 16. The spring 16 is riveted 17 connected to a contact plate 18 mounted on the outer annular protrusion of the housing 1. The spring 15 is attached to the end of the housing 1 by a contact rivet 19 In the cavity 20 formed by the outer annular protrusion of the housing 1, its end face and the contact plate 18, there is a thermal switch 21. The temperature-controlled disk 22 is pressed against the projections of the housing 1 by a spring 23 supported on the contact plate 18. The material from which The disk 22 is made, chosen so that when heated above a predetermined temperature, for example 15C, it bends until it stops against the contact rivet 19. A device for controlling the air damper is connected via a switch 24 via the contact board 18 to one output terminal of the power supply 25. The carburetor body 11 is connected to another output of the power supply source 25. Switch 24 can be combined with the ignition switch (not shown). The thermostatic unit 2 may be encased in heat transfer to the engine.
    The device works as follows.
    When starting the engine, the electric heater 14 is connected via a switch 24 to the power source 25. At the same time, the current flows through the contact plate 18, the rivet 17, the spring 16, the electric heater 14, the heat sink element 7, the rivets 8, the connecting busbars 9, the annular flange 10 and the housing 11 carburetor. The electric heater 14 is heated to its extreme temperature, while heating the Heat-removing element 7 and the coil 2 associated with it in heat transfer, which begins to unwind and open the air damper. In order to compensate for the influence of the ambient temperature, an electric heater 13 is included in the circuit through the thermal switch 1. The electric heater 13 avoids the damper decrease as the temperature difference between helix 2 and the heat sink element 7 decreases. At a temperature-controlled disk 22 above a predetermined temperature (for example, 15C ) it bends as far as it will go into the contact rivet 19 (shown in FIG. 3), the circuit is connected to the electric heater circuit 13. At the same time, the current flows through the contact plate 18, the spring 23, the temperature-controlled disk 22, molding 19, a spring 15, heater 13, the heat sink member 7, the rivet 8, connecting busbars 9 and an annular flange 10 on the body 11 of the carburettor. The temperature of the temperature-controlled disk is determined by the effect of ambient temperature, heat transfer from the electric heater 14 and from two. Working together, electric heaters 13 and 14 heat up the Heat Sink element 7 and helix 2 faster, as a result of which the speed of opening the carburetor choke is increased. The materials of which electric heaters 13 and 14 are made have a positive temperature coefficient of resistance, therefore, their resistance increases with an increase in their temperature .. As a result, when the limiting temperature is reached,
    electric heaters 13 and 14 power is reduced, preventing their overheating.
    In the case of application of the proposed device on carburetors equipped with a hole connecting the device cavity to the engine exhaust manifold, spiral 2 of the thermostatic body is additionally affected by exhaust gas heat of two / which provides an additional increase in the speed of opening the air damper. ,
    Thus, the carburetor air damper control device provides quick and effective control of the air damper position in a wide temperature / environment range, shortens the engine running time on the enriched fuel mixture after it starts, which reduces atmospheric pollution with exhaust gases.
    权利要求:
    Claims (2)
    [1]
    1. Device for controlling the carburetor air damper
    an internal combustion engine containing a thermostatic actuating actuator for moving the valve associated with heat transfer to a heat radiating device, which is characterized by the fact that, in order to improve speed in a wide range of ambient temperatures, the heat radiating device is made in the form of two, -sapartly connected electric heaters
    0 with positive temperature coefficients of resistance and thermal switches associated with the heat transfer to the environment and connected to the circuit of one of the electric heaters.
    [2]
    2. The device according to claim 1, wherein the thermostatic body is connected in the casing for heat transfer to the engine.
    (Y
    Sources of information taken into account in the examination
    1. Panfilov V.T. and dr, ZIL car engine power supply devices. M, Mashgiz, 1961,
    90-96.
    five
    2. The patent of Germany 2149253, cl. 46 of 1/10, published in 1972.
    类似技术:
    公开号 | 公开日 | 专利标题
    SU797605A3|1981-01-15|Carburator air flap control device of internal combustion engine
    US3752133A|1973-08-14|Multiple heat automatic choke
    US3699937A|1972-10-24|Solid state controlled automatic choke
    US4242999A|1981-01-06|Self-regulating heater
    US4083336A|1978-04-11|Condition responsive control device
    US3740040A|1973-06-19|Carburetor with power choke
    US4050427A|1977-09-27|Carburetor automatic choke construction
    US4058097A|1977-11-15|Choke control
    ES434990A1|1977-03-16|Automatic choke systems for carburetors
    US3161787A|1964-12-15|Automatic devices for controlling the starting means in internal combustion engine carburetors
    US4081499A|1978-03-28|Carburetor with electric heating type autochoke device
    US4050424A|1977-09-27|Carburetor automatic choke construction
    US4237077A|1980-12-02|Automatic choke system
    GB2094976A|1982-09-22|Temperature-responsive control device for carburettor
    EP0051925B1|1985-02-13|Fuel supply system with automatic choke
    US3980065A|1976-09-14|Automatic actuator for carburetor choke valve
    US2243609A|1941-05-27|Automobile heater
    US3423569A|1969-01-21|Electric air heater for automatic choke
    US2309170A|1943-01-26|Internal combustion engine
    US4496496A|1985-01-29|Fuel supply system with electric choke and control therefor
    US4699738A|1987-10-13|Electrically heated choke having improved control
    GB1493533A|1977-11-30|Controlling choke valves of i c engine carburettors
    SU1003766A3|1983-03-07|Automatic actuator for carburettor air strangler
    CA1126600A|1982-06-29|Carburetor choke control
    US3618890A|1971-11-09|Thermostatically controlled airflow regulator
    同族专利:
    公开号 | 公开日
    RO90997B|1987-02-28|
    HU175425B|1980-07-28|
    DD111235A5|1975-02-05|
    FR2209047B1|1979-01-26|
    JPS4986725A|1974-08-20|
    US3806854A|1974-04-23|
    YU281973A|1981-11-13|
    RO90997A|1987-02-27|
    YU36405B|1983-06-30|
    FR2209047A1|1974-06-28|
    SU797606A4|1981-01-15|
    PL89875B1|1976-12-31|
    IT994399B|1975-10-20|
    DE2360454A1|1974-06-06|
    SE405393B|1978-12-04|
    GB1449807A|1976-09-15|
    CS209467B2|1981-12-31|
    SE7614400L|1976-12-21|
    GB1447275A|1976-08-25|
    DE2360454C2|1988-09-01|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    RU2451196C2|2007-03-09|2012-05-20|Маньети Марелли Пауэртрейн С.П.А.|Ice volumetric air flow rate control valve|US2381751A|1932-12-16|1945-08-07|Bendix Stromberg Carburetor Co|Carburetor|
    FR969619A|1948-07-17|1950-12-22|Solex|Improvements made to automatic controls, by thermostat, of devices which must operate below a determined temperature, in particular to those of auxiliary devices facilitating cold starting of internal combustion engines|
    US2987595A|1959-03-03|1961-06-06|Honeywell Regulator Co|Control apparatus|
    FR1300840A|1961-06-26|1962-08-10|Sibe|Improvements to automatic control means of starting devices for carburettors for internal combustion engines|
    US3529585A|1968-01-29|1970-09-22|Gen Motors Corp|Internal combustion engine fuel system|
    DE1814685A1|1968-12-14|1970-06-25|Daimler Benz Ag|Automatic cold start device|
    FR215189A|1971-08-04|
    US3752133A|1972-11-15|1973-08-14|Ford Motor Co|Multiple heat automatic choke|US4007720A|1974-07-30|1977-02-15|Robert Bosch G.M.B.H.|Fuel metering system for internal combustion engines|
    DE2507615C2|1974-03-19|1982-08-26|Société Industrielle de Brevets et d'Etudes S.I.B.E. S.A, 92200 Neuilly-sur-Seine|Automatic device for controlling the choke valve in the carburettor for internal combustion engines|
    AR212425A1|1974-04-10|1978-07-14|Honda Motor Co Ltd|AUTOMATIC ACTUATOR FOR CARBURETOR PRIMING VALVE|
    US3972311A|1974-11-20|1976-08-03|Depetris Peter S|Electronic choke control|
    US3987772A|1975-03-10|1976-10-26|Texas Instruments Incorporated|Self-regulating heater|
    US4058097A|1975-06-30|1977-11-15|Texas Instruments Incorporated|Choke control|
    DE2547645C3|1975-10-24|1978-11-23|Robert Bosch Gmbh, 7000 Stuttgart|Fuel injection system|
    JPS5265849A|1975-11-28|1977-05-31|Hitachi Ltd|Device for fixing ptc elements|
    JPS5423043B2|1975-12-16|1979-08-10|
    JPS5550180B2|1976-06-15|1980-12-16|
    DE2629610C2|1976-07-01|1985-10-10|Audi Nsu Auto Union Ag, 7107 Neckarsulm|Device for heating the intake manifold of an externally ignited internal combustion engine|
    JPS5371731A|1976-12-06|1978-06-26|Aisan Ind Co Ltd|Electric auto-choke mechanism for carbureter|
    JPS5527227B2|1977-01-21|1980-07-18|
    US4131657A|1977-03-10|1978-12-26|Gte Sylvania Incorporated|Electric automotive choke|
    JPS5453714A|1977-10-06|1979-04-27|Toyota Motor Corp|Internal combustion engine fuel injector|
    US4311653A|1977-11-10|1982-01-19|Texas Instruments Incorporated|Fast idle carburetor system|
    DE7825072U1|1978-08-23|1978-12-21|Pierburg Gmbh & Co Kg, 4040 Neuss|DEVICE FOR HEATING THE SUCTION MANIFOLD OF AN EXTERNAL IGNITION COMBUSTION MACHINE|
    US4237077A|1978-08-29|1980-12-02|Texas Instruments Incorporated|Automatic choke system|
    US4201735A|1978-09-08|1980-05-06|Fasco Industries, Inc.|Method of manufacturing a choke control device|
    JPS581640Y2|1979-03-19|1983-01-12|
    JPS551968U|1979-03-22|1980-01-08|
    JPS5815616B2|1979-10-06|1983-03-26|Aisan Ind|
    JPS55137243U|1980-04-02|1980-09-30|
    JPS5659953U|1980-07-02|1981-05-22|
    US4331615A|1980-11-06|1982-05-25|Texas Instruments Incorporated|Fuel supply system with automatic choke|
    US4419564A|1981-03-30|1983-12-06|Texas Instruments Incorporated|Self-regulating electric heater for use in an early fuel evaporation system|
    JPS5835653U|1981-09-03|1983-03-08|
    US4496496A|1982-11-01|1985-01-29|Texas Instruments Incorporated|Fuel supply system with electric choke and control therefor|
    DE3612058C2|1986-04-10|1989-11-09|Wilfried Dipl.-Ing. 6209 Heidenrod De Bockelmann|
    JPH0579894U|1992-03-28|1993-10-29|株式会社村田製作所|PTC thermistor heating device|
    EP3033512A2|2013-08-15|2016-06-22|Kohler Co.|Systems and methods for electronically controlling fuel-to-air ratio for an internal combustion engine|
    US10054081B2|2014-10-17|2018-08-21|Kohler Co.|Automatic starting system|
    USD827572S1|2015-03-31|2018-09-04|Ini Power Systems, Inc.|Flexible fuel generator|
    US10030609B2|2015-11-05|2018-07-24|Ini Power Systems, Inc.|Thermal choke, autostart generator system, and method of use thereof|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US00312428A|US3806854A|1972-12-05|1972-12-05|Control for automotive choke|
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