[특허]Vehicle brake system

Vehicle brake system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60T-011/20 B60T-011/28 B60T-013/16 B60T-013/66
출원번호	US-0465471 (1995-06-05)
우선권정보	DE-4430168 (1994-08-25)
발명자 / 주소	Kellner Andreas (Tamm DEX) Schubert Peter (Leingarten DEX)
출원인 / 주소	Robert Bosch GmbH (Stuttgart DEX 03)
인용정보	피인용 횟수 : 48 인용 특허 : 0

초록 ▼

A vehicle brake system with a hydraulic brake booster. A booster pressure which is required for operating the brake booster is produced by throttling a flow of pressure medium which is supplied by a pump. For this purpose, a throttle valve is arranged between a pressure line which is connected to the pump and a return line which leads back to the pump, the adjustment of said pressure valve involves a building up of booster pressure in the pressure line by a solenoid, which booster pressure is applied to the brake booster. An electronic control unit which is connected to at least one sensor which outputs variable electric signal serves to control the throttle valve, the sensor detects activation of the brake pedal. For example, a pressure sensor which as a function of the boosting pressure supplies signals to the control unit which is developed to form a pressure controller and controls the throttle valve can be connected to the brake booster.

대표청구항 ▼

A vehicle brake system comprising a main cylinder for supplying wheel brake cylinders with brake pressure, a hydraulic brake booster which is assigned to the main cylinder for activating fluid pressure and which has a booster piston (14) which can be displaced in a booster pressure chamber (15) in a direction of the main cylinder, a reservoir, a hydraulic energy source connected with said reservoir, a pump (19a) and a relief valve means (19b) and a pressure line (31) for producing boosting pressure for the booster chamber for hydraulically displacing the booster piston, a brake pedal for emergency displacement of the booster piston when the energy source fails, a travel simulator (4) which is arranged between the brake pedal and the booster piston which has a simulator spring which can be compressed during a brake boosting mode, an electrically controllable throttle valve (17, 48, 49, 63) arrangement which is connected to the pressure line and from which a return line (16.1) leads to the reservoir for adjusting boosting pressure in the booster chamber, at least one first sensor in the form of at least one pressure sensor (34, 34a) which can be adjusted by means of the brake pedal in order to output an electric reference signal variable as a function of the activation of the brake pedal and an electronic control unit which is connected to the at least one first sensor in order to control the throttle valve arrangement electrically dependent upon said electric reference signal variable when the brake pedal is activated, wherein the throttle valve arrangement normally has a wide flow area and the booster chamber (15) is permanently connected to the pressure line (31).

이 특허를 인용한 특허 (48)

Mohr Kurt,DEX, Actuating device for an electrohydraulic vehicle brake system.
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Drott, Peter; Krämer, Horst; Hoffmann, Jan; Feigel, Hans-Jörg, Actuation device for an electrohydraulic braking system.
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Kusano, Akihito, Brake apparatus for a vehicle.
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Sawada Mamoru,JPX, Brake control apparatus for a vehicle.
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Nagasaka Mitsuhiro,JPX ; Takayama Toshio,JPX, Brake control system for a motor vehicle.
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Oka, Hiroyuki; Takasaki, Yoshiyasu, Brake fluid pressure generating device.
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Young,Kent Randolph; Agnew,David Leslie, Brake pedal feel simulator.
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Ohlig,Benedikt; Giering,Wilfried; Michels,Erwin; Steinheuer,Herbert, Brake power generator for a hydraulic motor vehicle brake system, and hydraulic motor vehicle brake system.
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Dinkel, Dieter; Feigel, Hans-Jörg, Brake system for motor vehicles.
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Drumm, Stefan; Schiel, Lothar, Brake system for motor vehicles.
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Ulrich Deml DE; Michael Doricht DE; Karl-Heinz Eglseder DE; Michael Huber DE, Brake value signal transmitter for an electrically controlled and activated brake system.
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Hiroshi Isono JP, Braking hydraulic pressure source apparatus wherein assisting pressure is electrically controlled to establish predetermined overall boosting ratio.
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Kusano, Akihito; Ishida, Satoshi, Braking pressure generating apparatus for a vehicle.
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Feigel, Hans-Jorg, Braking system for motor vehicles.
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Hiroshi Isono JP, Braking system having master cylinder piston receiving booster output and rear chamber fluid pressure from selectively activated pressure increasing device.
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Ganzel Blaise J., Braking system with remote boost valve.
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Hans-Jorg Feigel DE, Device for regulating brake pressure.
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Wachi Yuzi,JPX ; Fukushima Toshiaki,JPX, Electrically controlled braking system.
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Campau, Gregory P.; Fuller, Edward Nelson, Electro-hydraulic brake system with four wheel push through.
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Lehmann, Kurt Stouffer; Beaver, Robert Charles; Agnew, David Leslie; Young, Kent Randolph, Electro-hydraulic braking system.
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Campau Gregory P. ; Luckevich Mark S. ; Hornback Edward R. ; Cotner John D. ; Lowman Clark E., Electronic brake management system with a signal modulation controller and a brushless motor.
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Campau, Gregory P.; Kingston, Andrew W.; Ferger, Robert L.; Weigert, Thomas; Oliveri, Salvatore; Ganzel, Blaise J.; Luckevich, Mark S., Electronic brake management system with manual fail safe.
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Feigel Hans-Jorg,DEX ; Ruffer Manfred,DEX ; Schiel Lothar,DEX, Electronically controllable brake operating system.
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Ewel, David E., Electronically controlled full power brake valve.
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Bartley Bradley E. ; Blass James R. ; Gibson Dennis H., Engine with hydraulic fuel injection and ABS circuit using a single high pressure pump.
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Jurgen Bohm DE, Externally controllable regulated brake-booster and operating method therefor.
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Michiharu Nishii JP; Takashi Kurokawa JP; Satoshi Ishida JP; Masaki Oishi JP, Hydraulic brake apparatus for a vehicle.
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Nishii, Michiharu; Ishida, Satoshi; Oishi, Masaki, Hydraulic brake apparatus for a vehicle.
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Lubbers Mark D. ; Sivulka Gerald M. ; Fuller Edward N. ; Youtsey Stephen H. ; Barron Richard J., Hydraulic brake booster.
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Ganzel, Blaise J., Hydraulic brake system with controlled boost.
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Ganzel, Blaise J., Hydraulic brake system with controlled boost.
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Kusano, Akihito; Ishida, Satoshi, Hydraulic braking pressure generating apparatus for a vehicle and a hydraulic brake device for a vehicle including a hydraulic braking pressure generating apparatus.
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Goodzey Gregory Paul ; Heinz Bryan Frances ; Albert Timothy Jay, Hydraulic braking system.
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Isono, Hiroshi; Yamamoto, Takayuki; Mizutani, Yasuji, Hydraulic braking system and method with flow control device.
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Feigel Hans-Jorg,DEX, Hydraulic braking system operated by extraneous force.
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Mizutani, Yasuji; Isono, Hiroshi, Hydraulic braking system wherein electrically controllable assisting drive force is applied to master cylinder piston upon brake pedal operation.
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Oishi Masaki,JPX ; Nishii Michiharu,JPX ; Yamamoto Hideki,JPX, Hydraulic pressure brake apparatus.
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Siegel Heinz,DEX, Hydraulic vehicle brake system with antilock device.
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Ganzel Blaise J., Integrated ABS/TC/VSC braking system with separate boost valve.
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Kusano Akihito,JPX ; Aizawa Hiroaki,JPX ; Toda Hiroshi,JPX, Master cylinder device and hydraulic brake device for a vehicle.
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Tsubouchi, Kaoru; Miwa, Akihiko; Sakai, Tomoyasu; Hashida, Koichi; Arakawa, Haruo, Negative pressure type brake hydraulic pressure generating device.
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Tuhro, Matthew Conrad; Russell, Graham Scott; Karner, Juergen; Jozefowicz, Paul Anthony; Lou, Yongle, Optimized hydraulic brake system.
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Mizutani, Yasuji; Isono, Hiroshi, Pressure control apparatus wherein pressure control actuator is controlled based on two or more provisionally determined control values.
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Hiroshi Isono JP; Yasuji Mizutani JP, VEHICLE BRAKING PRESSURE SOURCE DEVICE WHEREIN FLUID COMMUNICATION BETWEEN PRESSURIZING AND BACK-PRESSURE CHAMBERS OF MASTER CYLINDER IS CONTROLLED BASED ON VEHICLE RUNNING STATE AND/OR ROAD SURFACE .
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Yang, I Jin, Vehicle brake device for electronic hydraulic brake system.
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Ganzel,Blaise J., Vehicle brake system.
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Yamasoe, Yosuke; Niino, Hiroaki, Vehicle brake system.
상세보기
Hiroshi Isono JP; Yasuji Mizutani JP, Vehicle braking system having devices for controlling fluid flows between pressurizing and assisting chambers of master cylinder and pressure source and reservoir.
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A	생활필수품
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