Solenoid pre-loader

Details Solenoid pre-loader Solenoid pre-loader

1992-09-03

1993-09-14

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Including solenoid

25112915, 2395855, F16K 3106

Patent

active

052441806

ABSTRACT:
The solenoid portion of a solenoid-operated valve is resiliently biased by a pre-loader against an internal shoulder on the valve body to maintain precision of the stator-armature working gap during the useful life of the valve. Several embodiments of pre-loader are disclosed, including a Belleville spring, a wave spring, and an elastomeric ring.

REFERENCES:
patent: 1892917 (1933-01-01), Walker et al.
patent: 4572436 (1986-02-01), Stettner et al.
patent: 4696379 (1987-09-01), Yamamoto et al.
patent: 5005803 (1991-04-01), Fritz et al.

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