Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1984-08-06
1986-11-25
Stoner, Jr., Bruce H.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303115, 251 47, B60T 802
Patent
active
046245081
ABSTRACT:
A regulator valve for a hydraulic anti-skid apparatus and which includes a housing provided with a first inlet port for connection to a fluid pump and the anti-skid apparatus, a second inlet port for connection to a master cylinder, and an outlet port for connection to a fluid reservoir, a regulator piston reciprocably disposed within the housing to form a first fluid chamber in open communication with the first inlet and outlet ports and a second fluid chamber in open communication with the second inlet port, and a spring loaded annular valve seat member arranged within the first fluid chamber to cooperate with a valve part of the piston so as to control the fluid flow from the first inlet port to the outlet port in response to the difference in pressure between the fluid chambers. A support member is arranged within the first fluid chamber formed therein with an axial bore in which a large diameter portion of the piston is slidably disposed to form a third annular fluid chamber. The support member is further formed with an orifice for effecting the fluid flow between the first and third fluid chambers in response to axial movement of the piston.
REFERENCES:
patent: 2757643 (1956-08-01), Hunter
patent: 3514162 (1970-04-01), Erlebach et al.
patent: 3922021 (1975-11-01), Every
patent: 4072366 (1978-02-01), Kondo
patent: 4264111 (1981-04-01), Shimizu et al.
patent: 4492414 (1985-01-01), Kozakai et al.
Adachi Yoshiharu
Kozakai Asao
Nakagawa Fumio
Nakanishi Nobuyasu
Oka Hiroyuki
Aisin Seiki Kabushiki Kaisha
Oberley Alvin
Stoner Jr. Bruce H.
Toyota Jidosha & Kabushiki Kaisha
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