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:
Jun. 11, 2024
Filed:
Jun. 08, 2023
Pratt & Whitney Canada Corp., Longueuil, CA;
Etienne Plamondon, Candiac, CA;
Jonathan Brulatout, Saint-Hubert, CA;
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Abstract
A rotary engine, has: an outer body defining a rotor cavity; a rotor within the rotor cavity and defining at least one chamber; a pilot subchamber defined by the outer body and having an outlet in communication with the rotor cavity; a main fuel source of a heavy fuel; an alternative fuel source of an alternative fuel; a main injector having a tip in communication with the rotor cavity at a location spaced apart from the outlet of the pilot subchamber, the main injector selectively fluidly connectable to the main fuel source or to the alternative fuel source; and a controller configured for: determining that the rotary engine is in a vicinity of a city or an airport; and operating the main injector in a first configuration in which the main injector fluidly connects the alternative fuel source to the rotor cavity while disconnecting the main fuel source.