[특허]Pump-less hydraulic brake system for automobiles

[미국특허] Pump-less hydraulic brake system for automobiles 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60T-008/26 B60T-008/02
출원번호	US-0352169 (1982-02-25)
우선권정보	DE-3109372 (1981-03-12)
발명자 / 주소	Hattwig Peter (Cremlingen DEX)
출원인 / 주소	Volkswagenwerk Aktiengesellschaft (Wolfsburg DEX 03)
인용정보	피인용 횟수 : 45 인용 특허 : 5

초록 ▼

A pump-less hydraulic brake system has a pair of independent brake lines, each connected to diagonally opposed front and rear wheel brakes, and a control valve mechanism disposed in each brake line. Each control valve mechanism has an electrically connectable inlet valve and outlet valve, actuatable to one of three combinations: (1) in which brake line pressure is determined by the brake pedal-actuated master cylinder; (2) in which the braking pressure in the respective brake line drops, and (3) in which the braking pressure remains steady. A pair of rear brake inlet valves are also provided, and the valves are controlled as a function of the relative rpm or changes in deceleration of the vehicle wheels. The rear brake inlet valves are also independently controlled, to limit maximum braking pressure to the rear wheel brake, as a function of rear axle weight. No more than one vehicle wheel locks at a give time, and vehicle stability and maneuverability, in combination with relatively high braking pressures, are assured.

대표청구항 ▼

A pump-less hydraulic brake system for vehicles having a pair of front wheels and a pair of rear wheels, and a pair of front wheel brakes and a pair of rear wheel brakes associated therewith, comprising: (a) master brake cylinder means for providing pressurized brake fluid; (b) a pair of independent brake lines, each connected to receive pressurized fluid from said master cylinder means, wherein each brake line is connected to deliver fluid to one front wheel brake and has a portion to deliver fluid to a diagonally opposed rear wheel brake; (c) a control valve means disposed in each of said brake lines, wherein each said control valve means has an electrically connectable inlet valve and an electrically connectable outlet valve, and said inlet and outlet valves in each said control valve means are actuatable to one of a first combination, in which the fluid pressure in the respective brake line follows the pressure predetermined by the master brake cylinder, a second combination, in which the fluid pressure in the respective brake line drops, and a third combination, in which the fluid pressure in the respective brake line remains at the pressure prevailing at the start of said third combination; (d) a pair of electrically connectable rear brake inlet valves, one disposed in the portion of each brake line leading to its respective rear wheel brake, which when actuated limits the fluid pressure in the associated rear wheel brake to the pressure prevailing when actuated; (e) means responsive to vehicle weight for controlling said rear brake inlet valves independent of other control commands to said rear brake inlet valves; (f) sensor means associated with each wheel for detecting the respective wheel\s rotational speed and angular deceleration; and (g) control circuit means for receiving signals from each said sensor means and for selectively actuating the inlet and outlet valves of said control valve means and said rear brake inlet valves as a function of one of the magnitude of said signals and the ratio of said signals, wherein at any single time only one of the two control valve means is actuatable to said second combination.

이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

Leiber Heinz (Leimen DT), Anti-locking control system for simultaneous regulation of steered wheels or wheels on a diagonal of vehicle.
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Kondo Toshiyuki (Toyota JA) Nagashima Takashi (Toyota JA), Anti-skid brake control system.
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Kondo Toshiyuki (Anjo JPX) Ando Masamoto (Toyota JPX), Anti-skid brake pressure control system with common solenoid valve.
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Leiber Heinz (Leimen DT), Arrangement for auto checking a hydraulic system.
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Scholz Helmuth (Bischweier DT), Load-dependent two-circuit brake for vehicles, especially for trucks, busses or the like.
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이 특허를 인용한 특허 (45) 인용/피인용 타임라인 분석

Brown ; Jr. Arthur K. (South Bend IN), Adaptive braking system having hydraulic booster and pump-back system.
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Thomas M. Atkins, Algorithm for scheduling extra reapply pulses in a rear wheel anti-lock brake system.
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Thomas M. Atkins, Algorithm for testing road surface with a small pressure release in an anti-lock brake system.
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Sato Makoto (Kamifukuoka JPX) Fujii Etsuo (Wako JPX), Anti-lock braking system and associated method.
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Miyake Katsuya (Ageo JPX), Anti-lock control system for motor vehicles.
상세보기
Arikawa Tetsuro (Kanagawa JPX), Anti-skid control apparatus for a vehicle braking system.
상세보기
Arikawa Tetsuro (Kanagawa JPX), Anti-skid control apparatus for a vehicle braking system.
상세보기
Arikawa Tetsuro (Kanagawa JPX), Anti-skid control apparatus for a vehicle braking system.
상세보기
Arikawa Tetsuro (Kanagawa JPX), Anti-skid control apparatus for a vehicle braking system.
상세보기
Arikawa Tetsuro (Kanagawa JPX), Anti-skid control apparatus for a vehicle braking system.
상세보기
Arikawa Tetsuro (Kanagawa JPX), Anti-skid control apparatus for a vehicle braking system.
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Arikawa Tetsuro (Kanagawa JPX), Anti-skid control apparatus for braking system.
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Arikawa Tetsuro (Kanagawa JPX), Anti-skid control apparatus for vehicle braking system.
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Miyake Katsuya (Ageo JPX), Anti-skid control system for motor vehicles.
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Panizza Ettore (Turin ITX) Premoli Ercole (Turin ITX), Anti-skid device for motor vehicles.
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Miyake Katsuya (Saitama), Antiskid control method.
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Mustapha, Adnan; Woerner, Dieter, Arrangement, method and device for influencing a yawing moment in a motor vehicle.
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Takeda Kenji (Okazaki JPX) Kamiya Sigeru (Aichi JPX) Suzuki Satosi (Okazaki JPX) Yoshino Yasuhisa (Okazaki JPX), Brake control apparatus in diagonal braking hydraulic pressure supply system for use in motor vehicles.
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Arikawa Tetsuro (Kanagawa JPX), Brake fluid pressure control apparatus for a vehicle.
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Arikawa Tetsuro (Kanagawa JPX), Brake fluid pressure control apparatus for a vehicle.
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Takata Koji (Itami JPX) Nishiyama Yukinori (Itami JPX), Brake pressure control system.
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Klein Hans C. (Hattersheim DEX), Brake system for automotive vehicles.
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Klein Hans-Christof (Hattersheim DEX), Brake system for automotive vehicles.
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Klein Hans C. (Hattersheim DEX), Brake system for automotive vehicles with controllable brake force distribution.
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Belart Juan (Walldorf DEX) Fennel Helmut (Bad Soden DEX) Seibert Wolfram (Darmstadt DEX) Batistic Ivica (Frankfurt am Main DEX), Brake system with slip control for automotive vehicles with front-wheel drive or all-wheel drive.
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Heubner Wilheim (Itzgrund DEX), Brake-pressure control system.
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Every Peter (Livonia MI) Fuller Edward N. (Manchester MI) Ayers David T. (Richmond VA), Control valve for an anti-lock brake system.
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Sato Makoto (Kamifukuoka JPX), Dual type antilock braking device for four-wheeled vehicles.
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Sivulka Gerald M. (Ann Arbor MI) Every Peter (Livonia MI), Fluid accumulator for use in a vehicle anti-lock brake system.
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Cho Young Hwan,KRX, Hydraulic brake force regulating system.
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Belart Juan (Walldorf DEX), Hydraulic brake system.
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Burgdorf Jochen (Offenbach-Rumpenheim DEX) Reinartz Hans-Dieter (Frankfurt am Main DEX), Hydraulic brake system.
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Ostwald Fritz (Dreieich DEX), Method and device for the control of the braking effect of a brake-slip-controlled brake system.
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Samuelson Hakan (Enhrna SEX) Thoms Eric (Akers Styckebruk SEX) Grauel Ingolf (Vaihingen/Enz DEX) Stumpe Werner (Kornwestheim DEX) Maurer Franz (Schwieberdingen DEX), Multiple-circuit brake system.
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Schmitt Hubert,DEX, Pumpless anti-lock braking system using six solenoid actuated valves.
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Neubrand Theo (Idstein/Ts. DEX), Slip-controlled brake system for automotive vehicles.
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Belart Juan (Walldorf DEX) Fennel Helmut (Frankfurt am Main DEX) Seibert Wolfram (Darmstadt DEX) Batistic Ivica (Frankfurt am Main DEX), Slip-controlled brake system for automotive vehicles with a driven axle.
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Fennel Helmut (Bad Soden DEX) Batistic Ivica (Frankfurt am Main DEX) Determann Otto (Darmstadt DEX), Slip-controlled brake system for motor vehicles.
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Korn Alan M., Spring brake actuation for electronically controlled brake system.
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Mller Egbert (Eberdingen-Hochdorf DEX) Grauel Ingolf (Vaihingen/Enz DEX) Stumpe Werner (Kornwestheim DEX), Tractor-trailer brake system including a trailer brake control valve.
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Atkins Thomas M. (Ann Arbor MI), Vehicle anti-lock brake system.
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Atkins Thomas M. (Ann Arbor MI), Vehicle anti-lock brake system.
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Atkins Thomas M. (Ann Arbor MI) Tuck Brian C. (Ann Arbor MI) Fuller Edward N. (Manchester MI) Every Peter (Livonia MI), Vehicle anti-lock brake system.
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Every Peter (Livonia MI) Atkins Thomas M. (Ann Arbor MI) Miller Roger L. (Ann Arbor MI) Tribe Leonard T. (Seal Beach CA), Vehicle skid control system.
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Atkins Thomas M., Wheel spin-and-brake algorithm for a rear wheel anti-lock brake system.
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[미국특허] Pump-less hydraulic brake system for automobiles 원문보기

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연구과제 타임라인

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[미국특허] Pump-less hydraulic brake system for automobiles 원문보기

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이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

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