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:
Feb. 20, 2007
Filed:
Aug. 18, 2005
Jonathan B. Arold, Exeter, NH (US);
William H. Gosselin, York, ME (US);
Michael J. Frappier, Concord, NH (US);
Joseph P. Stark, Newfields, NH (US);
Jonathan B. Arold, Exeter, NH (US);
William H. Gosselin, York, ME (US);
Michael J. Frappier, Concord, NH (US);
Joseph P. Stark, Newfields, NH (US);
Osram Sylvania Inc., Danvers, MA (US);
Abstract
A heater is provided that has a temperature sensing control system which can be used for both temperature control and over-temperature protection against element burnout. The temperature control system is comprised of an inlet temperature sensing assembly positioned at the inlet to the heater element and an exit thermocouple positioned in the exit end of the heater element. The exit thermocouple may be used for control the heater temperature and provide over-temperature protection. The inlet temperature sensing assembly is used to detect low or no air flow conditions which could lead to heater element failure.