Fluid-pressure and analogous brake systems – Inertia control
Patent
1986-04-03
1988-02-16
Reger, Duane A.
Fluid-pressure and analogous brake systems
Inertia control
188181A, 303100, B60T 800
Patent
active
047251026
ABSTRACT:
An anti-skid device for use in a vehicle braking system and comprising a master cylinder for generating pressurized fluid in response to the actuation of a brake pedal, a reservoir supplying hydraulic fluid to the master cylinder, a deceleration detector for detecting the deceleration of a vehicle body the speed of which having been decreased in response to the actuation of the brake pedal, a first valve device for transmitting the fluid pressure generated in the master cylinder to a wheel brake cylinder in actuating the brake pedal and for intercepting the communication between the wheel cylinder and the master cylinder when the deceleration detector detects a predetermined amount of deceleration. The first valve device includes an expansion chamber normally filled by a predetermined amount of pressurized fluid, a dump valve communicating the expansion chamber with the reservoir when the deceleration detector detects the deceleration, and a pump device for pressurizing the expansion chamber. A second valve device is interposed between the first valve device and the reservoir and include a sensor for sensing the inclination of the vehicle such that when the vehicle is at a predetermined up-hill condition the second valve device closes to intercept the communication between the expansion chamber of the first valve device and the reservoir.
REFERENCES:
patent: 3752251 (1973-08-01), Gaeke
patent: 4353440 (1982-10-01), Farr
patent: 4553651 (1985-11-01), Gaiser et al.
patent: 4610483 (1986-09-01), Matsumoto et al.
Ando Hiromi
Karasudani Yasuo
Nakajo Tetsuro
Graham Matthew C.
Reger Duane A.
Tokico Ltd.
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