The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 01, 1984
Filed:
Feb. 12, 1982
Henry W Martin, Houston, TX (US);
T. F. Hudgins & Associates, Inc., Houston, TX (US);
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.