Pressure valve

Details Pressure valve Pressure valve

1980-07-31

1982-10-19

Cohan, Alan

Toilet

Hair device

Comb

137468, G05D 2400

Patent

active

043545173

ABSTRACT:
The valve for a pressure-medium-operated hydraulic arrangement has a housing provided with an inlet and an outlet, a slide piston located downstream of the inlet and seal-tightly movable in an opening of the housing under the action of the pressure medium entering the same so as to subdivide the pressure medium into a first stream flowing directly to the outlet and a second constant stream, a laminar throttle member located downstream of the slide piston and associated with a spring-biased control member wherein the laminar throttle member and the control member are arranged so that the constant stream flows through the laminar throttle member and generates pressure drop which acts upon the control member against its bias, and the control member subdivides the constant stream into two partial streams which flow to the outlet means and one of which is throttled, whereby the pressure drop between the inlet and the outlet is maintained at a constant level and thereby the viscosity of the pressure medium is maintained constant.

REFERENCES:
patent: 3395726 (1968-08-01), Cross et al.
patent: 3820444 (1974-06-01), Ward
patent: 3977423 (1976-08-01), Clayton
patent: 4148336 (1979-04-01), Leinemenn

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