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:
Jan. 05, 2021
Filed:
Nov. 15, 2017
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventors:
Derek R. Hochstetler, Rockford, IL (US);
Ted A. Martin, Byron, IL (US);
Duane C. Johnson, Beloit, WI (US);
Glenn C. Lemmers, Jr., Loves Park, IL (US);
Assignee:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03C 2/00 (2006.01); F03C 4/00 (2006.01); F04C 2/00 (2006.01); F04C 15/00 (2006.01); F04C 2/08 (2006.01); F04C 29/00 (2006.01); F16H 55/17 (2006.01); F02C 7/32 (2006.01); F04C 2/14 (2006.01);
U.S. Cl.
CPC ...
F04C 2/084 (2013.01); F02C 7/32 (2013.01); F04C 2/14 (2013.01); F04C 29/005 (2013.01); F16H 55/17 (2013.01);
Abstract
A scavenge/charge pump drive gear for use in an integrated drive generator has a gear body extending between a first end and a second end and having a disc extending radially outwardly. A boss extends from the disc toward the second end. There are outer gear teeth outwardly of an outer diameter of the disc. The outer gear teeth have a unique gear tooth profile with roll angles A, B, C, and D. An integrated drive generator and a method are also disclosed.