Electrical resistors – Resistance value responsive to a condition – Ambient temperature
Patent
1981-06-22
1983-11-08
Albritton, C. L.
Electrical resistors
Resistance value responsive to a condition
Ambient temperature
338 22R, 338220, 338320, H01C 702
Patent
active
044145306
ABSTRACT:
A miniature, solid state motor protector has a metallic housing with two hingedly connected recessed portions with a wafer of positive temperature coefficient (PTC) of resistivity material disposed in each recess in electrical connection with the housing and a center spring contact located intermediate the two PTC wafers and in electrical connection therewith so that the wafers are electrically connected in parallel relation.
REFERENCES:
patent: 3737752 (1973-06-01), Strachan
patent: 3914727 (1975-10-01), Fabricius
patent: 3921117 (1975-11-01), Blaha
Bouffard Michael L.
Pejouhy Radi
Albritton C. L.
Haug John A.
McAndrews James P.
Sharp Melvin
Texas Instruments Incorporated
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