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.

Date of Patent:
Jun. 06, 2023

Filed:

Aug. 25, 2020
Applicants:

Pratt & Whitney Canada Corp., Longueuil, CA;

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Inventors:

Jean Thomassin, Ste Julie, CA;

Todd A. Spierling, Rockford, IL (US);

Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B64D 27/24 (2006.01); B64D 35/08 (2006.01); B64D 27/02 (2006.01);
U.S. Cl.
CPC ...
B64D 27/24 (2013.01); B64D 35/08 (2013.01); B64D 2027/026 (2013.01);
Abstract

An aircraft propulsion system includes at least one hybrid-electric power plant for delivering power to an air mover for propelling an aircraft. The at least one hybrid-electric power plant includes a first thermal engine and an electrical motor arranged in a parallel drive configuration or in an in-line drive configuration. The aircraft propulsion system includes a second thermal engine operatively connected to the electrical motor to power the electrical motor. A method for providing propulsion to an aircraft includes delivering power to an air mover for propelling the aircraft with at least one hybrid-electric power plant. The at least one hybrid-electric power plant includes a first thermal engine and an electrical motor arranged in a parallel drive configuration or in an in-line drive configuration. The method includes powering the electrical motor with a second thermal engine.


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