Solenoid valve

Details Solenoid valve Solenoid valve

1994-08-08

1996-10-22

Lee, Kevin

Valves and valve actuation

Electrically actuated valve

Including solenoid

25112915, 25112916, 2395853, F16K 3102

Patent

active

055669212

ABSTRACT:
In a solenoid valve, a gap is formed between a solenoid, which includes a stator housed within a resin mold, and a retainer that secures the solenoid on a housing. The gap communicates with a armature chamber that houses the armature mounted on a front end of a plug valve. High-pressure fuel is charged from the fluid passage into the armature chamber and flows into the gap around the solenoid to apply even pressure to the periphery of the resin mold as well as to the intake end surface of the solenoid. This prevents deformation of the resin mold and, consequently, distortion of the intake end surface. Such distortion can also be prevented by internally fitting a protective plate made of a non magnetic body in the opening ends of the coil grooves formed in the intake end surface of the stator.

REFERENCES:
patent: 2881980 (1959-04-01), Beck et al.
patent: 4711397 (1987-12-01), Lahiff
patent: 4830286 (1989-05-01), Asslaender et al.
patent: 5192048 (1993-03-01), Wakeman
patent: 5307997 (1994-05-01), Wakeman

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