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:
May. 31, 2022

Filed:

Feb. 13, 2019
Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventors:

Hung Duong, Unionville, CT (US);

Marc J. Muldoon, Marlborough, CT (US);

Gabriel L. Suciu, Glastonbury, CT (US);

Assignee:

Raytheon Technologies Corporation, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 3/00 (2006.01); F02C 7/32 (2006.01); F02K 3/06 (2006.01); F16H 3/02 (2006.01);
U.S. Cl.
CPC ...
F16H 3/001 (2013.01); F02C 7/32 (2013.01); F02K 3/06 (2013.01); F16H 3/006 (2013.01); F16H 3/02 (2013.01); F05D 2260/4031 (2013.01);
Abstract

An auxiliary gearbox has a low speed input shaft driving a first plurality of accessories. A high speed input shaft drives a second plurality of accessories. The first plurality of accessories rotating about a first set of rotational axes, which are parallel to each other and perpendicular to a first plane. The second plurality of accessories rotating about a second set of rotational axes, which are parallel to each other and perpendicular to a second plane. The first and second planes extending in opposed directions away from a drive input axis of the high speed input shaft and the low speed input shaft. The low speed input shaft drives a variable speed transmission. A gas turbine engine is also disclosed.


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