Pressure-sensitive switch with polyphenylene sulfide resin recei

Details Pressure-sensitive switch with polyphenylene sulfide resin recei Pressure-sensitive switch with polyphenylene sulfide resin recei

1996-11-04

1999-06-29

Tolin, Gerald

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

200 83J, 2003021, H01H 3534

Patent

active

059171642

ABSTRACT:
A pressure-sensitive switch typically used in an automobile engine room comprises: a housing having a passage communicating with a pressurized fluid path; a switch case fixed to the housing; a diaphragm contained in an interior space defined by the housing and the switch case; a snap disk 31 responsive to an applied pressure to change its shape between two aspects by a snapping motion; a receiving member 50 that receives the snap disk, and switch elements closed or opened by the snapping motion of the snap disk. The receiving member 50 is made of polyphenylene sulfide (PPS) resin.

REFERENCES:
patent: 4827094 (1989-05-01), Tanaka
patent: 4939321 (1990-07-01), Tanaka
patent: 5461208 (1995-10-01), McKenna

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