Electricity: circuit makers and breakers – Fluid pressure – Diaphragm
Patent
1997-05-06
1999-08-03
Scott, J. R.
Electricity: circuit makers and breakers
Fluid pressure
Diaphragm
200 83P, 200 83J, H01H 3540
Patent
active
059328576
ABSTRACT:
A pressure responsive electric switch (10) is shown having an improved flexible diaphragm (28) to extend the useful life of the switch particularly when used with fluid media of a corrosive nature. The flexible diaphragm (28) comprises a base layer (28a) of resin having excellent mechanical properties over a wide range of temperature and a first level of fold endurance capability covered on one or both face surfaces with a protective layer (28b) of resin having excellent corrosion resistance capability and a second level of fold endurance capability at least as great as the first level. In a second embodiment, the flexible diaphragm is composed of biaxially oriented polyphenylene sulfide which can be used without additional protective layers.
REFERENCES:
patent: 3874052 (1975-04-01), Schantz
patent: 4219394 (1980-08-01), Babinsky et al.
patent: 4267413 (1981-05-01), Reis
patent: 4409443 (1983-10-01), Tyree et al.
patent: 4447852 (1984-05-01), Clement
patent: 4469923 (1994-09-01), Charboneau
patent: 4746536 (1988-05-01), Ichikawa et al.
patent: 5269664 (1993-12-01), Buse
patent: 5508483 (1996-04-01), Czarn et al.
`Toray` PPS Film Torelina Technical Information (1994).
Brennan John E.
Dague Bryan J.
Stander Richard A.
Baumann Russell E.
Donaldson Richard L.
Grossman Rene E.
Scott J. R.
Texas Instruments Incorporated
LandOfFree
Pressure switch with biaxially oriented thermoplastic diaphragm does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pressure switch with biaxially oriented thermoplastic diaphragm, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pressure switch with biaxially oriented thermoplastic diaphragm will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-851644