Flow regulator for hydraulic circuits

Fluid handling – Systems – With flow control means for branched passages

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Details

91461, 137117, 13759612, 137885, F15B 1302

Patent

active

043677657

ABSTRACT:
The regulator is designed to control the flow of a pressurized fluid between a source of said fluid which feeds it at a feed pressure, and a user device in which the fluid is at a utilization pressure which depends on the operating conditions of the device; the regulator also comprises a valve element mobile in the direction of its axis and arranged to vary the degree of closure of an orifice between a feed chamber and a utilization chamber, and a first and second cavity in which there is housed a first and second active surface respectively, on one of which there acts the utilization pressure and on the other of which there acts a control pressure arranged to control the movement of the valve element.

REFERENCES:
patent: 3902401 (1975-09-01), Allen et al.
patent: 4121610 (1978-10-01), Harms et al.

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