Pressure control device, in particular for pressure-fluid-operab

Details Pressure control device, in particular for pressure-fluid-operab Pressure control device, in particular for pressure-fluid-operab

1988-03-17

1989-06-20

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

188349, 303 975, 303 241, B60T 824, B60T 826, B60T 828, G05D 1610

Patent

active

048404330

ABSTRACT:
Disclosed is a pressure control device including a housing incorporating a pressure control valve which governs a connection between a pressure-fluid inlet and a pressure-fluid outlet. Included is a deceleration-responsively movable inertia member, and control piston arranged in the housing and being slidable in dependence upon the pressure of the pressure fluid and the position of the inertia member and acting upon the pressure control valve. In order to provide for a pressure control device which is more cost-efficient and which switches precisely irrespective of the viscosity and the flow velocity of the pressure fluid, the inertia member is arranged in a chamber of the pressure control device which is substantially free from pressure fluid and the inertia member controls a valve which isolates a compartment confined by the housing and the control pisotn from the chamber.

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patent: 4770471 (1988-09-01), Gaiser

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