Flow regulator

Details Flow regulator Flow regulator

1996-08-13

2000-04-25

Freay, Charles G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

G05D 1100

Patent

active

060531967

ABSTRACT:
A flow regulator for a pump, particularly a vane pump, which regulates the fluid flow delivered to a consumer by the pump, and has a control piston acted on by the pressure built up by the pump, on the one hand, and, on the other, is acted upon by an initial force counteracting this pressure, and has a control edge, which interacts with the discharge bore, and a continuation, which penetrates an aperture, to form a delivery throttle, which is dependent on the piston path. The outside surface (31) of the continuation (25) of the control piston (5) has at least two regions (35, 37) with different outside diameters, separated from one another by a sharp-edged step (39).

REFERENCES:
patent: 2858842 (1958-11-01), Reis
patent: 2916041 (1959-12-01), Van Meter
patent: 4241753 (1980-12-01), Erwin et al.
patent: 4546786 (1985-10-01), Koike
patent: 5513672 (1996-05-01), Nguyen et al.
patent: 5685332 (1997-11-01), Overdiek et al.

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