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:
Feb. 17, 2026

Filed:

Apr. 03, 2025
Applicant:

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Inventors:

Tadashi Sawata, Coventry, GB;

Aaron Day, Sevenoaks, GB;

Assignee:

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64D 27/35 (2024.01); F02C 7/32 (2006.01); F02C 7/36 (2006.01);
U.S. Cl.
CPC ...
F02C 7/32 (2013.01); B64D 27/35 (2024.01); F02C 7/36 (2013.01); F05D 2220/323 (2013.01); F05D 2220/768 (2013.01); F05D 2260/40311 (2013.01);
Abstract

An electrical power-transfer system for an engine includes first and second engine shafts. The system also includes a planetary gear system having a sun gear, a ring gear, a plurality of planetary gears enmeshed with the sun gear and the ring gear, and a carrier supporting the plurality of planetary gears, where the carrier is configured for connection to be driven by the first engine shaft. The system further includes a first electrical machine connected to be driven by the ring gear to generate electrical power, a second electrical machine connected to drive the sun gear, and a third electrical machine configured to receive electrical power generated by the first electrical machine and operable as a motor to drive the second engine shaft.


Find Patent Forward Citations

Loading…