Solenoid control valve

Details Solenoid control valve Solenoid control valve

2005-06-21

2005-06-21

Michalsky, Gerald A. (Department: 3753)

Fluid handling

Systems

Multi-way valve unit

C251S129170

Reexamination Certificate

active

06907901

ABSTRACT:
A solenoid control valve for use in actuation of a manual hydraulic clutch in a vehicle. The solenoid control valve has an electronically operated solenoid with armature and actuator rod displaced through a channel in the solenoid. A spool valve has a valve body that is coupled at one end to the solenoid. A spool is slidably disposed in the control channel. A first and second dampener chambers are located at the two ends of the spool. The dampeners function to improve the stability in the control system and balance the transient flow forces of the hydraulic fluid as it moves through the valve member. The spool also has a control portion is located between the first end and the second end of the spool. The control portion allows the control portion to communicate with a supply, control and exhaust passages in the valve body.

REFERENCES:
patent: 4655254 (1987-04-01), Hafner et al.
patent: 4821770 (1989-04-01), Parrott et al.
patent: 4947893 (1990-08-01), Miller et al.
patent: 5509448 (1996-04-01), Wilson et al.
patent: 5562125 (1996-10-01), Bray
patent: 5577534 (1996-11-01), Ward
patent: 5899436 (1999-05-01), Holmes et al.
patent: 6269827 (2001-08-01), Potter
patent: 6382248 (2002-05-01), Long et al.

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