Fluid-pressure and analogous brake systems – Multiple fluid-receiving devices – Multiple motors
Patent
1975-03-07
1976-07-20
Reger, Duane A.
Fluid-pressure and analogous brake systems
Multiple fluid-receiving devices
Multiple motors
303 84A, B60T 826
Patent
active
039703479
ABSTRACT:
A device for a brake system including two independent hydraulic lines extending from a dual type brake master cylinder and connected to the respective rear wheel brakes. The device is compactly formed with its essential parts housed in a single casing and can be readily mounted across the two hydraulic lines midway thereof to serve two functions, one of warning the driver of any fluid leakage possibly occurring in one or the other of the two hydraulic lines and the other of adjusting the ratio of the front to the rear wheel brake pressure for maximized overall braking efficiency. A pair of differential pistons are slidably fitted in aligned cylinder bores to define in each an input and an output hydraulic chamber communicating with each other through a normally open control valve, which is closed upon movement of the associated piston under differential pressure. Also, a balance piston is arranged between the differential pistons and movable with either of them to actuate a switch unit inserted in an electrical alarm circuit.
REFERENCES:
patent: 3450443 (1969-06-01), Bueler
patent: 3738709 (1973-06-01), Stokes
patent: 3774974 (1973-11-01), Braun
Nisshin Kogyo Kabushiki Kaisha
Reger Duane A.
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