Fluid-pressure and analogous brake systems – Multiple fluid-receiving devices – Multiple motors
Patent
1975-05-12
1976-08-24
Blix, Trygve M.
Fluid-pressure and analogous brake systems
Multiple fluid-receiving devices
Multiple motors
188151A, 188349, 303 84A, B60T 826, B60T 1718
Patent
active
039763340
ABSTRACT:
A pressure control valve for a braking system having separate pressure circuits comprises a control member movable to control communication between an inlet and an outlet for connection in one of the circuits and spring biased to a valve open position. The control member has an extension which passes sealingly into a space between and sealed from the two circuits and which engages a piston subject to the pressure in the other circuit. The piston is separate from the control member and is operable under the pressure in that other circuit to overcome the spring bias and close the valve by displacing the control member.
REFERENCES:
patent: 3427416 (1969-02-01), Papin
patent: 3504946 (1970-04-01), Valentine et al.
patent: 3545814 (1970-12-01), Margetts
patent: 3614169 (1971-10-01), Bueler
patent: 3661426 (1972-05-01), Tam
Blix Trygve M.
Butler Douglas C.
Girling Limited
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