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:
Jul. 07, 2009
Filed:
Nov. 28, 2006
Daniel Chaniot, Marignane, FR;
Daniel Chaniot, Marignane, FR;
Eurocopter, Marignane, FR;
Abstract
The thermal detection and visual alarm unit includes a plurality of first expansion thermal detectors () with normally closed contacts that are connected in series with a first lamp () to form a first two-terminal circuit (), a plurality of second expansion thermal detectors () with normally open contacts connected in parallel, a second lamp () connected in series with the second thermal detectors to form a second two-terminal circuit (), the first and second thermal detectors forming a plurality of cells () each combining a first detector and a second detector having respective contact-opening or contact-closing temperatures that are substantially equal, each of the first and second two-terminal circuits being arranged for connection to the terminals of an electrical power supply ().