Solenoid arrangement including yoke-enclosed coil and double enc

Details Solenoid arrangement including yoke-enclosed coil and double enc Solenoid arrangement including yoke-enclosed coil and double enc

1985-11-12

1987-07-14

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Including solenoid

335260, 335278, F16K 3106, H01F 506, H01F 716

Patent

active

046797670

ABSTRACT:
A solenoid arrangement including a coil of electrically conductive wire and a yoke of magnetic material surrounding the coil. The coil is completely encapsulated by a thermosetting resin, the resin being located between the coil and the yoke, and the yoke being encapsulated by a thermoplastic resin. Preferably, the thermosetting resin is an epoxy resin, and the thermoplastic resin is nylon. The yoke includes a side wall extending around the entire periphery of the coil, a top wall, and a bottom wall, the side, top, and bottom walls forming a box-like housing which substantially completely encloses the coil. A stationary armature extends from the top wall of the yoke into the center of the spool upon which the coil is wound, and a sleeve for accommodating a core tube extends from the bottom wall into the center of the spool.

REFERENCES:
patent: 3262027 (1966-07-01), Zaleske et al.
patent: 3598360 (1971-08-01), Merriner et al.
patent: 4067541 (1978-01-01), Hunter
patent: 4172964 (1979-10-01), Reinebach
patent: 4186363 (1980-01-01), Schmidt, Jr. et al.
patent: 4195201 (1980-03-01), Gryl, Jr. et al.
patent: 4405912 (1983-09-01), Palma et al.

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