Temperature sensor

Details Temperature sensor Temperature sensor

1982-02-12

1984-05-01

Goldberg, Gerald

Signals and indicators

Alarms

Thermal

116112, G08B 1700

Patent

active

044454546

ABSTRACT:
A fusible solder temperature sensor adapted for use with a trapped fluid pressure header alarm system. The sensor includes an insulating plastic fitting having threads at one end and a bore therethrough for connection to and fluid communication with the header system. A brass tube is connected at one end to the other end of the plastic fitting for fluid communication therewith. The other end of the brass tube is closed by a bronze closure disc attached thereto by fusible solder responsive to ambient air or other gas temperature above a determined level. When the ambient temperature reaches the determined level, the solder melts, releasing the closure disc from the tube, thereby releasing pressure from the alarm system to generate an alarm signal or the like.

REFERENCES:
patent: 1723902 (1928-08-01), Wainwright
patent: 2187958 (1940-01-01), Vigne et al.
patent: 2424203 (1949-09-01), Wrightman et al.
patent: 3192890 (1965-07-01), Smith
patent: 3603280 (1977-09-01), Zahuranec
patent: 3667419 (1972-06-01), Sullivan
patent: 4154189 (1979-05-01), Gallagher et al.

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