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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.:

US 12539973 B1

PDFFull Text
Date of Patent:
Feb. 03, 2026

Filed:

Jan. 03, 2025

Systems and methods for oil maintenance in gearboxes for evtol aircraft

Applicant:

Archer Aviation Inc., San Jose, CA (US);

Inventors:

Scott Graves, Felton, CA (US);

Robert Wayne Moore, Auburn, CA (US);

Assignee:

Archer Aviation Inc., San Jose, CA (US);

Attorney:

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Primary Examiner:

Jose A Gonzalez Quinones

Int. Cl.
CPC ...
H02K 11/33 (2016.01); B60L 15/06 (2006.01); B60L 15/38 (2006.01); B64C 27/54 (2006.01); B64C 29/00 (2006.01); B64D 27/24 (2006.01); B64D 33/08 (2006.01); B64D 35/02 (2006.01); F16B 2/06 (2006.01); F16H 57/08 (2006.01); H02K 1/27 (2022.01); H02K 1/32 (2006.01); H02K 5/124 (2006.01); H02K 5/20 (2006.01); H02K 7/08 (2006.01); H02K 7/116 (2006.01); H02K 9/19 (2006.01); H02K 15/03 (2025.01); H02M 7/5395 (2006.01); H02P 21/00 (2016.01); H02P 25/16 (2006.01); H02P 27/06 (2006.01); H02P 27/08 (2006.01); H02K 7/00 (2006.01);
U.S. Cl.
CPC ...
B64D 27/24 (2013.01); B60L 15/06 (2013.01); B60L 15/38 (2013.01); B64C 27/54 (2013.01); B64C 29/0008 (2013.01); B64C 29/0033 (2013.01); B64D 33/08 (2013.01); B64D 35/02 (2013.01); F16B 2/06 (2013.01); F16H 57/08 (2013.01); H02K 1/27 (2013.01); H02K 1/32 (2013.01); H02K 5/124 (2013.01); H02K 5/203 (2021.01); H02K 7/08 (2013.01); H02K 7/116 (2013.01); H02K 9/19 (2013.01); H02K 11/33 (2016.01); H02K 15/03 (2013.01); H02M 7/5395 (2013.01); H02P 21/50 (2016.02); H02P 25/16 (2013.01); H02P 27/06 (2013.01); H02P 27/08 (2013.01); B60L 2200/10 (2013.01); B60L 2210/40 (2013.01); H02K 7/006 (2013.01);
Abstract

A motor assembly for a propulsion system, the motor assembly including a motor housing; a rotor; a power inverter; a main shaft; wherein the main shaft extends through the rotor; and a fluid distribution system including a fluid reservoir; a pump configured to distribute a fluid to a component of the motor assembly; and a filter having a circumferential side, wherein the filter is configured to filter the fluid through the circumferential side, wherein the filter is located adjacent to the main shaft.

Find Patent Forward Citations

Graves, Scott. (2026). Systems and methods for oil maintenance in gearboxes for evtol aircraft (U.S. Patent No. 12539973). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12539973

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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