Slip-controlled brake device for automotive vehicles including vacuum power generator assembly used both as brake power
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0076693
(1987-07-22)
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우선권정보 |
DE-3625960 (1986-07-31) |
발명자
/ 주소 |
- Klein Hans-Christof (Hattersheim DEX)
|
출원인 / 주소 |
- Alfred Teves GmbH (Frankfurt am Main DEX 03)
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인용정보 |
피인용 횟수 :
8 인용 특허 :
7 |
초록
▼
A brake power-controlled brake device for automotive vehicles is provided with a hydraulic master cylinder (11) which is, via a pneumatically actuated pressure modulator (12), connected to at least one wheel cylinder brake circuit I. The pressure modulator (12) comprises a vacuum power generator (20
A brake power-controlled brake device for automotive vehicles is provided with a hydraulic master cylinder (11) which is, via a pneumatically actuated pressure modulator (12), connected to at least one wheel cylinder brake circuit I. The pressure modulator (12) comprises a vacuum power generator (20) and a compensating cylinder (18) equipped with a hydraulic piston (16, 16′or 16″), connected to which compensating cylinder is the wheel cylinder brake circuit I. If a brake slip signal occurs, the piston wall (14) of the vacuum power generator (20), which piston wall is normally applied by a vacuum on both sides, is temporarily connected with a higher pressure in the direction in which the volume in the compensating chamber (32) is increased. In addition, an isolating valve (15) is provided which is normally open but is closed when a brake slip signal occurs, and which is inserted in the connecting line (19) from the master cylinder (11) to the compensating chamber (32). According to the invention, the vacuum power generator ( 20) is, at the same time, used as a brake power booster.
대표청구항
▼
A slip-controlled brake device for automotive vehicles, said device comprising a hydraulic pressure generating arrangement connected to at least one hydraulic wheel cylinder brake circuit via a pneumatically actuated pressure modulator, the pressure modulator comprising a vacuum power generator havi
A slip-controlled brake device for automotive vehicles, said device comprising a hydraulic pressure generating arrangement connected to at least one hydraulic wheel cylinder brake circuit via a pneumatically actuated pressure modulator, the pressure modulator comprising a vacuum power generator having a piston wall and further comprising a compensating cylinder including a hydraulic piston connected with the piston wall of the vacuum power generator, the piston wall being pre-loaded into an inoperative position by means of a return spring, said compensating cylinder including a compensating chamber communicating with the wheel cylinder brake circuit, and brake slip control circuitry for detecting a wheel slip and issuing a brake slip signal, said brake slip signal being operative to apply a higher pressure to the piston wall of the vacuum power generator in the direction in which the volume in the compensating chamber is increased, said piston wall being normally supplied a vacuum on both sides, a normally open isolating valve inserted in a connecting line from the pressure generating arrangement to the compensating chamber, said brake slip signal closing said isolating valve, said vacuum power generator being operative as a brake power booster in that (a) the hydraulic piston assumes, in the inoperative position, the end position providing the largest possible volume in the compensating chamber; (b) a vacuum-atmospheric pressure-control valve is, via an alternating valve, connected to the vacuum power generator via an alternating valve such that, during normal braking, a first cylinder chamber is located so that in the event of a pressurization it acts upon the piston wall in the direction in which the volume in the compensating cylinder is decreased, said first cylinder chamber being pressurized to a smaller or larger degree by atmospheric pressure and is controlled by the hydraulic pressure of the pressure generating arrangement, a second cylinder chamber connected to the vacuum, after switching over of the alternating valve, the first cylinder chamber is connected to the vacuum and the second cylinder chamber is pressurized to atmospheric pressure when a brake slip signal is issued and (c) said isolating valve being closed each time at the beginning of the pressure build-up by means of the pressure generating arrangement.
이 특허에 인용된 특허 (7)
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Schmid ; Walter ; Jambor ; Arno ; Wilfert ; deceased ; Karl ; Wilfert ; h eir ; by Thomas, Brake force controller for vehicles, particularly automotive vehicles.
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Klein Hans-Christof (Hattersheim DEX), Brake system for the control of brake force distribution and slip.
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Leiber Heinz (Oberriexingen DEX), Hydraulic brake booster with travel simulator and associated anti-skid brake system.
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Kircher Dieter (Frankfurt am Main DEX) von Gruenber Hubertus (Kronberg DEX) Blum Klaus D. (Kelkheim DEX), Method for the control of a slip-controlled brake system and device for implementing the method.
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Pauwels Edward M. (South Bend IN), Valve for force-reversing modulator.
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Leiber Heinz (Oberriexingen DEX), Vehicle brake system.
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Van House ; Robert M., Vehicle power brake system with master booster and slave booster.
이 특허를 인용한 특허 (8)
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Hans-Jorg Feigel DE; Ulrich Neumann DE, Arrangement for actuating a motor vehicle braking system.
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Klein Hans-Christof (Hattersheim DEX), Brake-slip-controlled automotive vehicle brake system.
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Uno Haruhiko (Okazaki JPX) Imoto Yuzo (Kariya JPX) Izumi Tetuya (Kariya JPX) Takei Toshihiro (Okazaki JPX), Braking apparatus for vehicle.
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Anderson, Chris; Sprocq, Raynald, Braking control system comprising a pressure-control simulator.
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Ganzel Blaise J., Braking system with remote boost valve.
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Belart Juan (Moerfelden-Walldorf DEX) Klein Hans-Christof (Hattersheim DEX), Hydraulic booster.
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Burgdorf Jochen (Offenbach-Rumpenheim DEX) Reinartz Hans-Dieter (Frankfurt am Main DEX) Steffes Helmut (Hattersheim DEX), Slip-controlled brake system with a master brake cylinder.
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Ganzel,Blaise J., Vehicle brake system.
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