Pressure differential valve

Details Pressure differential valve Pressure differential valve

1987-12-03

1989-06-13

Hepperle, Stephen

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

303 975, G05D 1608

Patent

active

048383058

ABSTRACT:
A pressure differential valve, in particular for pressure fluid-actuatable motor vehicle brake systems, is disclosed and comprises a housing having a valve arrangement which is loaded by a preload force and which governs a connection between an inlet and an outlet. The preload force determines the gradient of pressure between the inlet pressure and the outlet pressure of the valve. In order to create a pressure differential valve which can be easily mounted and responds quickly at a low change-over pressure, the valve arrangement is actuatable by a tappet which is movable in dependence on the position of a diaphragm.

REFERENCES:
patent: 1954930 (1934-04-01), Greenlee
patent: 2189750 (1940-02-01), Barge
patent: 2892468 (1959-06-01), Beuchle
patent: 3554611 (1971-01-01), Kawabe et al.
patent: 3612618 (1971-10-01), Swanson

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