Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With fusible – combustible or explosive material
Patent
1988-11-10
1989-11-14
Broome, H.
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
With fusible, combustible or explosive material
337414, 1225041, H01H 3776
Patent
active
048810550
ABSTRACT:
The Sensor is designed for use in detecting fire, or high temperature in vessels or pipes pressurized with air, gas or liquids. It has a polymer body which confines electrical conductors, and the conductors project from opposite ends of the body. The conductors' projections at one end define terminal blades, and at the opposite end are shrouded with, and electrically connected by, fusible material that has been molded in place. The body has wrenching flats thereabout and tapered pipe threads thereon to allow its installation in the wall of a pressure vessel, pipe, or housing, with the fusible-material end exposed therewithin.
REFERENCES:
patent: 2149773 (1939-03-01), Huntley
patent: 4016523 (1977-04-01), Sidor
Capp F. William
Gerhardt Don J.
Little Randal A.
Broome H.
Ingersoll-Rand Company
Murphy B. J.
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