Electrically modulated hydraulic-pressure regulating valve

Details Electrically modulated hydraulic-pressure regulating valve Electrically modulated hydraulic-pressure regulating valve

1974-06-17

1976-03-23

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

251129, F16K 3110

Patent

active

039453995

ABSTRACT:
This disclosure relates to a electrically modulated regulation valve for hydraulic systems, said valve essentially comprising a slider-shutter of complex shape, whose length is considerable with respect to its diameter and is housed, along an appreciable fraction of its length, in an outflow channel, the latter being cylindrical with two different internal diameters and offering a guiding surface for the slider-shutter. The slider-shutter has a prolonged conical portion from which a cylindrical rod extends, having properly shaped projections which act as guiding members. The advantage achieved is a most accurate regulation of the hydraulic pressure.

REFERENCES:
patent: 2727529 (1955-12-01), Kodet
patent: 2980139 (1961-04-01), Lynn
patent: 3632081 (1972-01-01), Evans
patent: 3732893 (1973-05-01), Ziesche et al.
patent: 3765644 (1973-10-01), Zevner

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