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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 11608185 B1

PDFFull Text
Date of Patent:
Mar. 21, 2023

Filed:

Dec. 21, 2018

Drive system for an aircraft

Applicant:

Pipistrel Vertical Solutions D.o.o., Ajdov{hacek over (s)}cina, SI;

Inventors:

David Erzen, Ljubljana, SI;

Crtomir Gorup, Sezana, SI;

Jure Tomazic, Ajdov{hacek over (s)}cina, SI;

Assignee:

Pipistrel Vertical Solutions D.O.O., Ajdovscina, SI;

Attorney:

Hoffmann & Baron, LLP

Primary Examiner:

Daniel Kessie

Assistant Examiner:

Dru M Parries

Int. Cl.
CPC ...
B60L 50/50 (2019.01); B64D 27/24 (2006.01); B64D 31/06 (2006.01); B60W 10/04 (2006.01); B64D 35/00 (2006.01); B64D 27/02 (2006.01);
U.S. Cl.
CPC ...
B64D 27/24 (2013.01); B60L 50/50 (2019.02); B60W 10/04 (2013.01); B64D 31/06 (2013.01); B64D 35/00 (2013.01); B60L 2200/10 (2013.01); B64C 2201/042 (2013.01); B64D 2027/026 (2013.01);
Abstract

Drive system for an aircraft, including: a propeller; electric motor; transmission system for transmitting positive torque from the motor to drive the propeller and negative torque from the propeller in windmill braking state to drive the motor; interface for inputting an input; first unit for controlling torque acting on the motor; second unit for detecting rotational speed of the motor; selection unit to select an active mode from propulsion mode and recovery mode, wherein the motor generates recovery energy in the recovery mode; and management system to control energy flow in an electrical system of the aircraft, the electrical system including the motor, is controlled according to the active mode; wherein the selection unit is configured to select the active mode according to the input, rotational speed, and predefined envelope, wherein the envelope indicates a maximum positive torque and minimum negative torque that depends on the rotational speed.

Find Patent Forward Citations

Erzen, David. (2023). Drive system for an aircraft (U.S. Patent No. 11608185). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11608185

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

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