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:
Mar. 08, 2022
Filed:
Mar. 29, 2019
Pratt & Whitney Canada Corp., Longueuil, CA;
Richard Freer, Saint-Basile-le-Grand, CA;
Kian Mccaldon, Orangeville, CA;
Tin-Cheung John Hu, Markham, CA;
Michel Bousquet, Longueuil, CA;
André Fortin, Ste-Praxède, CA;
PRATT & WHITNEY CANADA CORP., Quebec, CA;
Abstract
There is disclosed an igniter for a gas turbine engine including: a base, a glow plug heater rod, the glow plug heater rod extending from the base along an axis and terminating in a rod end, a sleeve extending circumferentially around the glow plug heater rod along at least a portion of a length of the glow plug heater rod, the sleeve having an inner surface spaced from the glow plug heater rod to provide a gap between the inner surface and the glow plug heater rod, the gap extending radially relative to said axis.