Fluid controller

Details Fluid controller Fluid controller

1979-06-25

1980-11-11

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

60384, 91467, 137596, 180132, 417 61B, F15B 1304, F15B 1310, F15B 1314

Patent

active

042327083

ABSTRACT:
A controller for controlling fluid flow from a source to a motor, such as the steering motor of a motor vehicle. The controller includes a metering section and a control valve section comprising a stacked assembly of plate valve members which control flow and, along with the metering section, define the outer periphery of the controller, and minimize the need for complex cast housing members. The controller is compact and yet is constructed to respond to an input signal from an input shaft to direct needed flow from the source to the primary steering motor, and excess flow to an auxiliary motor. The controller is also characterized by a unique spring centering mechanism which applies a spring centering force to the assembly of plate valve members. Additionally, the controller is characterized by a special seal arrangement for resisting leakage of high pressure fluid about the input shaft, and by structure for forming pressure dams to resisting leakage of metered fluid.

REFERENCES:
patent: 3289542 (1966-12-01), Fikse
patent: 3423934 (1969-01-01), Mercier
patent: 3834278 (1974-09-01), Goff et al.
patent: 3895888 (1975-07-01), Roberts
patent: 4050474 (1977-09-01), Morgan
patent: 4069743 (1978-01-01), Bertanza
patent: 4159723 (1979-07-01), Baatrup et al.

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