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:
Dec. 19, 2017
Filed:
Mar. 06, 2014
Applicant:
Snecma, Paris, FR;
Inventors:
Antoine Laigle, Paris, FR;
Jean-Louis Muller, Maisons-Alfort, FR;
Assignee:
SNECMA, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/06 (2006.01); F01D 25/20 (2006.01);
U.S. Cl.
CPC ...
F01D 25/20 (2013.01); F02C 7/06 (2013.01); F05D 2260/79 (2013.01); F05D 2260/98 (2013.01); Y02T 50/671 (2013.01);
Abstract
A lubrication system for a turbopropeller, includes an oil feed device for at least one enclosure and one equipment, the equipment being connected to the feed device via a displacement pump, and a pressure restricting valve mounted downstream of displacement pump and in parallel to the equipment, such that oil flows through the equipment when the same is active, and through the valve when the equipment is inactive.