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:
Aug. 17, 2021
Filed:
Sep. 03, 2019
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Sebastien Bergeron, Chambly, CA;
Etienne Plamondon, Candiac, CA;
Jean-Gabriel Gauvreau, Contrecoeur, CA;
Benjamin Renaud, Montreal, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 63/02 (2006.01); F02B 53/10 (2006.01); F02B 61/04 (2006.01); F02M 55/02 (2006.01);
U.S. Cl.
CPC ...
F02M 63/0245 (2013.01); F02B 53/10 (2013.01); F02B 61/04 (2013.01); F02M 55/025 (2013.01); F02M 63/0265 (2013.01);
Abstract
A method of operating an aircraft engine of an aircraft, the aircraft engine having a common-rail fuel injection system for injecting fuel into a combustion chamber of the aircraft engine, including: pressurizing fuel for circulation through the common-rail injection system; circulating a portion of the pressurized fuel through a motive flow inlet of an ejector pump; and entraining a flow through the ejector pump with the portion of the pressurized fuel circulating through the motive flow inlet.