• 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 electronic antiskid brake control system for effecting adjustment of brake pressure on the individual wheels of a common axle of a vehicle independent of the operator controlled brake pressure in such a manner that when a predetermined brake pressure difference arises between the respective wheels, due to the skidding of one wheel, the higher wheel brake pressure is adjusted so as to prevent the brake pressure difference from exceeding the predetermined difference. In one embodiment, a control piston subject to the different wheel brake pressures operates a switch armature between a pair of electrical contacts via which one or the other of modulating valves in the respective wheel brake lines is energized when the predetermined brake pressure difference arises. In a second embodiment, a pressure limiting valve subject to the different wheel brake pressures is connected in each brake line between the modulating valve and brake cylinder to adjust the brake pressure of that wheel when the other wheel brake pressure is greater by the predetermined brake pressure difference. Until this predetermined brake pressure difference develops, the non-skidding wheel in each of the above embodiments produces normal braking to obtain good stop distances, while steering stability is maintained by limiting the brake pressure difference in excess of that which is considered unsafe.
    公开号:SU710511A3
    申请号:SU742040456
    申请日:1974-06-26
    公开日:1980-01-15
    发明作者:Рейнекке Эрих
    申请人:Вабко Вестингхаус Гмбх (Фирма)；
    IPC主号:
    专利说明:

    This invention relates to a transport machinery industry, in particular to vehicle braking systems. . .
    Closest to the invention is an anti-lock pneumatic braking system of the transport means, comprising a brake valve communicating with the braking mechanisms of each wheel of the same axis through separate blocks of adjusting solenoid valves, each of which is associated with a sensitive device fixing the parameters of the wheel 11.
    The disadvantage of the well-known sistek consists in the low efficiency in case the wheels of one side have a coefficient of friction different from the wheels of the other side.
    The purpose of the invention is to increase the efficiency of the system.
    The goal is achieved by the fact that the systems are equipped with an electropneumatic differential relay, made in the form of a cylinder divided by a piston into two chambers, each of which is connected to the brake mechanism of the corresponding wheel, the switching element installed
    on the piston, and two electrical contacts located in the same chamber with the switching element and connected to the corresponding solenoid valve blocks.
    The drawing shows the anti-lock air brake system of the vehicle.
    Brake system consists rf3
    0 of the brake valve 1, from which the lines 2 and 3 depart to the blocks 4 and 5 of the solenoid valves, which regulates the pressure in the right and left lines x 6 and 7, going to
    5 right and left brake mechanisms 8 and 9 in accordance with the signals of sensitive devices, fixing the parameters of the wheels.
    Electro-pneumatic differential relay. 10, made in the form of a cylinder 11, has inputs 12 and 13.
    Input 12 is connected by highway 14 to the right highway 6, and input 13 is connected by highway 15 to the left highway 7.
      The IB cylinder 11 has a piston 16 which divides the cylinder cavity into chambers 17 and 18. Between the left end surface 19 of the piston 16 and
    权利要求:
    Claims (1)
    [1]
    0, a spring 21 is installed by a wall 20, and a spring 24 is installed between the right end surface 22 of the spout 16 and the lug 23. On the surface 22, a lug 25 is provided that carries the switching element 26 which is in the neutral position between the electrical contacts 27 and 28. The contact 27 is connected by wire 29 to the electronic part 30 of the block 4, and contact 28 with the wire 31 to the electronic part 32 of the block 5. The pressure from the valve 1 flows through the blocks. 4 and 5 into brake mechanisms 8 and 9, as well as into chambers 17 and 18 of relay 10. If the pressure on the right wheel is lower than on the left wheel and the right wheel shows a tendency to block, block 4 breaks the connection between crane 1 and chamber 18 and lowers the pressure in the mechanism 8 in the chamber 17 of the relay 10. Increasing further pressure in X1 and 18 and the left braking mechanism 9 moves the piston 16 of the relay 10 against the force of the spring 21. The stronger the spring 21 is compressed, the more the spring 24 weakens and at a certain displacement of the piston 16, the element 25 closes the contact 28, the electronic part 32 turns on unit 8 for retarding the pressure buildup maintain its value constant or reduced pressure. Thus, it is possible to avoid a too large difference in the effective pressures of the wheels of one axis. When a certain pressure difference is exceeded, contact 28 opens and the pressure in each brake mechanism is individually regulated. Claims of an anti-lock pneumatic brake system of a vehicle comprising a brake valve communicating with the brake mechanisms of each wheel of one axle through separate blocks of adjusting solenoid valves, each of which is connected to a sensitive device that fixes the wheel parameters, which is to improve the efficiency of the brake system, it is equipped with an electropneumatic differential relay, made in the form of a cylinder divided by a piston into two chambers s, each of which is communicated with the brake mechanism of the corresponding wheel, the switching element mounted on the piston, and two electrical contacts located in the same chamber with the switching element and connected to the solenoid valve blocks in accordance with the CLI. Sources of information taken into account in the examination 1. Patent CtUA 3724914, cl.303-21, 1973.
    G:, /,
    R
    1. 1 I p
    类似技术:
    公开号 | 公开日 | 专利标题
    SU710511A3|1980-01-15|Antiblocking pneumatic braking system of a vehicle
    US4861115A|1989-08-29|Electrically-controlled motor vehicle brake system
    US4229049A|1980-10-21|Hydraulic pressure control system for split brake system
    GB2164399A|1986-03-19|Anti-skid vehicle braking system
    US4784444A|1988-11-15|Fluid-pressure operated anti-skid braking systems for vehicles
    US3988043A|1976-10-26|Individual wheel anti-skid brake control system employing electronic comparison and brake pressure differential limiting circuitry
    US3512844A|1970-05-19|Skid control system including hydraulic modulating and proportioning valve
    GB1502175A|1978-02-22|Anti-skid brake control system
    GB2057080A|1981-03-25|Anti-skid systems
    US4652061A|1987-03-24|Hydraulic anti-skid apparatus for automotive vehicles
    GB2174775A|1986-11-12|Vehicle antilock braking system
    GB1588909A|1981-04-29|Anti-skid device
    US3761137A|1973-09-25|Braking equipment
    US4229052A|1980-10-21|Hydraulic pressure control system for split brake system
    EP1509432A1|2005-03-02|Anti-lock braking for a vehicle with steerable wheels
    EP1509433A1|2005-03-02|ANTI−LOCK BRAKING FOR A VEHICLE WITH STEERABLE WHEELS
    GB1581943A|1980-12-31|Anti-lock ontrol systems for braking systems for vehicles
    US3920281A|1975-11-18|Servo-stabilizing arrangement for the speeds of vehicle wheels with deliberate braking
    US5290097A|1994-03-01|Traction controlling apparatus for a multi-axle vehicle
    SU1046143A1|1983-10-07|Vehicle
    EP0516348A2|1992-12-02|Fluid pressure modulator valve apparatus
    GB1259629A|1972-01-05|
    SU1646932A1|1991-05-07|Electropneumatic brake drive of trailer
    CS235062B2|1985-04-16|Rotary parts braking device especially for motor vehicle's wheels with brake booster
    SU839790A1|1981-06-23|Brake system of six-wheel vehicle
    同族专利:
    公开号 | 公开日
    NL7404763A|1974-12-31|
    GB1478143A|1977-06-29|
    FR2235030A1|1975-01-24|
    SU755187A3|1980-08-07|
    SE7406327L|1974-12-30|
    YU35726B|1981-06-30|
    ES427747A1|1976-08-01|
    PL90278B1|1977-01-31|
    DE2333127A1|1975-01-16|
    NL177739B|1985-06-17|
    CS198143B2|1980-05-30|
    JPS5022978A|1975-03-12|
    NL177739C|1985-11-18|
    YU180874A|1980-12-31|
    SE407921B|1979-04-30|
    DE2333127C2|1982-04-15|
    JPS5753218B2|1982-11-11|
    US3918767A|1975-11-11|
    IT1014282B|1977-04-20|
    FR2235030B1|1984-10-26|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JPS4820352B1|1968-03-22|1973-06-20|
    DE1914765C2|1969-03-22|1982-11-11|Teldix Gmbh, 6900 Heidelberg|Electrical control system for an anti-lock vehicle brake system|
    JPS4929231B1|1970-10-06|1974-08-02|
    DE2112669A1|1971-03-16|1972-10-12|Bosch Gmbh Robert|Anti-lock device|
    BE791401A|1971-11-15|1973-05-14|Monsanto Co|ELECTROCHEMICAL COMPOSITIONS AND PROCESSES|
    US3768874A|1972-04-05|1973-10-30|Kelsey Hayes Co|Four wheel skid control system|
    US3884455A|1972-04-19|1975-05-20|Mccord Corp|High efficiency energy absorber|DE2320559C2|1973-04-21|1987-05-07|Wabco Fahrzeugbremsen Gmbh, 3000 Hannover|Anti-lock system|
    US4033637A|1974-12-18|1977-07-05|Teldix Gmbh|Anti-lock regulating system|
    DE2460309C2|1974-12-20|1987-01-15|Wabco Westinghouse Fahrzeugbremsen Gmbh, 3000 Hannover, De|
    DE2625502C2|1976-06-05|1984-11-15|Robert Bosch Gmbh, 7000 Stuttgart|Anti-lock device|
    DE2627284C2|1976-06-18|1982-11-11|Wabco Fahrzeugbremsen Gmbh, 3000 Hannover|Anti-lock control system for pressure medium-operated vehicle brakes, in particular for road vehicles|
    DE2851107C2|1978-11-25|1990-03-08|Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover|Circuit arrangement for improving the driving stability of vehicles equipped with anti-lock braking systems|
    DE2933085C2|1979-08-16|1987-12-10|Robert Bosch Gmbh, 7000 Stuttgart, De|
    DE3026254A1|1980-07-11|1982-02-11|Wabco Fahrzeugbremsen Gmbh, 3000 Hannover|ANTI-BLOCKING SYSTEM|
    JPH0429469B2|1984-01-06|1992-05-19|
    JPH0429470B2|1984-04-27|1992-05-19|
    DE3438113C2|1984-10-18|1995-04-27|Teves Gmbh Alfred|Arrangement for regulating the slip when braking a road vehicle|
    US4753033A|1985-03-24|1988-06-28|Williams Technologies, Inc.|Process for producing a clean hydrocarbon fuel from high calcium coal|
    GB8606953D0|1986-03-20|1986-04-23|Lucas Ind Plc|Hydraulic anti-skid systems|
    DE3741790A1|1987-12-10|1989-06-22|Wabco Westinghouse Fahrzeug|RELAY VALVE DEVICE|
    JPH0272166U|1988-11-21|1990-06-01|
    US5030812A|1989-06-13|1991-07-09|Nkk Corporation|Method for one-side root pass welding of a pipe joint|
    DE3925828C2|1989-08-04|1999-04-15|Bosch Gmbh Robert|Anti-lock control system|
    DE4012168C2|1990-04-14|1996-04-04|Bosch Gmbh Robert|Anti-lock control system|
    JP4650174B2|2005-09-07|2011-03-16|株式会社アドヴィックス|Vehicle traction control device and vehicle traction control method|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19732333127|DE2333127C2|1973-06-29|1973-06-29|Anti-lock control system for pressure medium-actuated vehicle brakes|
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