High temperature fluid sensor

Details High temperature fluid sensor High temperature fluid sensor

1989-05-10

1990-06-12

Broome, H.

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With fusible, combustible or explosive material

337404, H01H 3776

Patent

active

049336584

ABSTRACT:
A high temperature fluid sensor has a fusible detector including a body having longitudinally extending conductors therein. A first portion of the conductors is confined within the body whereas a second portion of the conductors projects from an end of the body. The second conductor portions are spaced-apart to define a void therebetween. A fusible material is engaged with, and electrically bridges between the second conductor portions. A tapered portion of the sensor permits the molten fusible material to flow away from the second conductor portions. The tapered portion terminates in spaced-apart relationship with the fusible material and thus further defines the void.

REFERENCES:
patent: 3652195 (1972-03-01), McIntosh et al.
patent: 4398785 (1983-08-01), Hedrick
patent: 4483811 (1984-11-01), Hirata
patent: 4632798 (1986-12-01), Eickman et al.
patent: 4728698 (1988-03-01), Isayev

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