Coil assembly for a solenoid valve

Details Coil assembly for a solenoid valve Coil assembly for a solenoid valve

1996-12-06

1998-01-20

Spyrou, Cassandra C.

Inductor devices

Winding with terminals, taps, or coil conductor end...

336192, 336205, 336 96, 336198, 174151, 174 65G, 174 65R, 174 6555, H01F 2729, H01F 2730, H02G 318, H01B 1926

Patent

active

057105359

ABSTRACT:
A coil assembly for a solenoid valve includes a sealing member having a sealed cavity that generally encircles an opening containing an electrical lead extending from the windings of the coil. The sealing member is disposed within a encapsulating material that is pressure molded around the windings of the coil assembly. During the pressure molding process, the pressure from the molding process exerts a force on the outermost side of the sealing member and compresses the outer member. The force being exerted to the outermost diameter is transferred through the sealed cavity to the innermost portion of the sealing member forcing it into a forced intimate contact with the lead. The force on the lead is maintained after the pressure from the molding process is removed. This arrangement provides a seal between the lead and the sealing member that is effective to prohibit damaging elements reaching the windings contained in the coil assembly.

REFERENCES:
patent: 3430174 (1969-02-01), Kogo et al.
patent: 3953099 (1976-04-01), Wilson
patent: 4256920 (1981-03-01), Ayers et al.
patent: 4284312 (1981-08-01), Patchett et al.
patent: 5153550 (1992-10-01), Sugiura et al.
patent: 5173053 (1992-12-01), Swanson et al.

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