Electricity: circuit makers and breakers – Fluid pressure – Diaphragm
Patent
1993-06-08
1994-08-16
Tolin, Gerald P.
Electricity: circuit makers and breakers
Fluid pressure
Diaphragm
73723, 2003021, 200306, H01H 3534
Patent
active
053389085
ABSTRACT:
A bracket 14 for mounting a lead frame 12 having pressure responsive electrical switches 20 is provided with a pair of bores 88 through the bracket at each switch station in alignment with recessed portions 78 and 86 in the bottom surface of the switch housing. A layer 92 of filter material is disposed between the bores and the recessed portions so that fluid flowing through the bores into the recessed portions will be forced to flow through the filter material to exclude particles of contamination larger than a selected size.
REFERENCES:
patent: 3835271 (1974-09-01), Garrett
patent: 4006083 (1977-02-01), Westervelt
patent: 4853503 (1989-08-01), Sanford
patent: 4861953 (1989-08-01), Sanford
patent: 5004876 (1991-04-01), Sogge et al.
patent: 5015808 (1991-05-01), Czarn et al.
patent: 5049708 (1991-09-01), Baker
patent: 5101549 (1992-04-01), Sogge et al.
Baker Gary A.
Rahman Aziz
Baumann Russell E.
Donaldson Richard L.
Grossman Rene E.
Texas Instruments Incorporated
Tolin Gerald P.
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