Fluid pressure regulating valve

Details Fluid pressure regulating valve Fluid pressure regulating valve

1991-10-15

1993-02-16

Michalsky, Gerald A.

Fluid handling

Systems

Supply and exhaust

13762565, F15B 13044

Patent

active

051862107

ABSTRACT:
A fluid pressure regulating valve has an inlet (10) connected to a pressurized fluid source (12) and an application outlet (14). It comprises a reference piston (30) one face of which is biased by a reference force, and a regulating piston (42) upon one face of which is applied the fluid pressure at the application outlet (14). The regulating piston (42) acts as a slide valve between the inlet (10), the application outlet (14), and a low pressure fluid reservoir (18). The other faces of the pistons (30, 42) each bias a respective end of a lever (60) the fulcrum (62) of which is movable between its ends according to the biasing force generated by each of the pistons (30, 42). Such a valve is useful for power steering for vehicles.

REFERENCES:
patent: 4757836 (1988-07-01), Bacardit
patent: 4819695 (1989-04-01), Kervagoret

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