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:
Mar. 23, 2021
Filed:
Mar. 25, 2019
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventors:
Stephen Michael Bortoli, Roscoe, IL (US);
Aaron M. Finke, Janesville, WI (US);
Mark J. Franklin, Janesville, WI (US);
Assignee:
HAMILTON SUNSTRAND CORPORATION, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 25/00 (2006.01); F02C 7/36 (2006.01); F02C 7/32 (2006.01); F02K 3/06 (2006.01); F16H 3/093 (2006.01);
U.S. Cl.
CPC ...
F02C 7/36 (2013.01); F02C 7/32 (2013.01); F02K 3/06 (2013.01); F16H 3/093 (2013.01); F05D 2260/4031 (2013.01); F16H 2003/0931 (2013.01); F16H 2200/0043 (2013.01);
Abstract
A power transmission includes an input shaft, an output shaft, and a plurality of gear ratios selectably engagable with the input shaft and the output shaft to transfer rotational energy from the input shaft to the output shaft to drive the output shaft at a selected output shaft speed. A plurality of clutches, each clutch is located at a clutch lay shaft of a plurality of clutch lay shafts and is configured to control selective engagement of only one gear ratio of the plurality of gear ratios.