Pressure switch

Details Pressure switch Pressure switch

2007-08-14

2007-08-14

Friedhofer, Michael A (Department: 2832)

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

C200S0830SA, C200S0830SA, C200S0830SA, C200S0830SA

Reexamination Certificate

active

11616354

ABSTRACT:
A pressure switch includes a body, a lower cap and an upper cap respectively mounted to two opposite ends of the body. A casing is airtightly sleeved on an outer periphery of each of the lower cap and the upper cap. There are two electrodes disposed in the body and selectively electrically contacted with each other. A micro-adjust set is disposed in the body to adjust a distance between the two electrodes for preventing the pressure switch from an interior bad contact when the pressure switch is used for a period of time.

REFERENCES:
patent: 4194103 (1980-03-01), Smith
patent: 4220836 (1980-09-01), Hersey
patent: 4524255 (1985-06-01), Haag
patent: 4939321 (1990-07-01), Tanaka et al.
patent: 4998087 (1991-03-01), Boulanger
patent: 5198631 (1993-03-01), Hogue et al.
patent: 5308939 (1994-05-01), Sasaki
patent: 5672049 (1997-09-01), Ciurlo
patent: 5814779 (1998-09-01), Verras et al.
patent: 5932857 (1999-08-01), Stander et al.
patent: 6329619 (2001-12-01), Koguchi
patent: 6525286 (2003-02-01), Koguchi et al.

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