Engine valve hydraulic actuator high speed solenoid control valv

Details Engine valve hydraulic actuator high speed solenoid control valv Engine valve hydraulic actuator high speed solenoid control valv

1994-10-12

1996-04-23

Michalsky, Gerald A.

Valves and valve actuation

Electrically actuated valve

Including solenoid

123 9012, 13762565, 25112921, F15B 13044, F16K 1306

Patent

active

055096379

ABSTRACT:
A control solenoid for an engine valve hydraulic actuator having an electrical coil wound around a coil ring extending from a solenoid housing to magnetically interact with a spool ring attached to a spool valve thereby causing the spool valve to be axially displaced against a restoring force generated by a return spring.

REFERENCES:
patent: 3926159 (1975-12-01), Michelson et al.
patent: 4513780 (1985-04-01), Evans
patent: 4515345 (1985-05-01), Inden et al.
patent: 4655254 (1987-04-01), Hafner et al.
patent: 4791895 (1988-12-01), Tittizer
patent: 4821689 (1989-04-01), Tittizer et al.
patent: 4930464 (1990-06-01), Letsche
patent: 5255641 (1993-10-01), Schechter

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