Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1983-05-27
1985-01-08
Stoner, Jr., Bruce H.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303 10, 303 11, 303 11S, B60T 802
Patent
active
044924143
ABSTRACT:
A regulator valve for a hydraulic anti-skid apparatus, in which a first valve member in the form of a piston is reciprocable within a housing for the regulator valve and subdivides the interior of the housing into first and second chambers arranged to be respectively applied with a hydraulic power pressure from a fluid pump and a master cylinder pressure from a master cylinder, the first valve member being formed at its one end with a valve part exposed within the first chamber, and in which a second annular valve member is arranged in the first chamber coaxially with the first valve member and is formed at its one end with a first small diameter valve part cooperating with the valve part of the first valve member to form a first annular throttle for throttling the fluid flow from the pump to a fluid reservoir through the first chamber and at its other end with a second large diameter valve part cooperating with the inner end wall of the first chamber to form a second annular throttle for throttling the fluid flow after the first annular throttle is closed, the second valve member being resiliently loaded by a spring toward the inner end wall of the first chamber.
REFERENCES:
patent: 3905654 (1975-09-01), Tribe
patent: 3922021 (1975-11-01), Every
patent: 4188074 (1980-02-01), Yama et al.
patent: 4355849 (1982-10-01), Wilson
Kozakai Asao
Nakanishi Nobuyasu
Watanabe Shingo
Aisin Seiki Kabushiki Kaisha
Oberley Alvin
Stoner Jr. Bruce H.
Toyota Jidosha & Kabushiki Kaisha
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