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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 12562623 B1

PDFFull Text
Date of Patent:
Feb. 24, 2026

Filed:

Jul. 07, 2023

Apparatus for cooling an electric propulsion engine

Applicant:

Dr. Ing. H.c. F. Porsche Aktiengesellschaft, Stuttgart, DE;

Inventor:

Tobias Engelhardt, Stuttgart, DE;

Assignee:

DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT, Stuttgart, DE;

Attorney:

LEYDIG, VOIT & MAYER, LTD.

Primary Examiner:

Edgardo San Martin

Int. Cl.
CPC ...
H02K 1/20 (2006.01); B64D 27/24 (2006.01); B64D 33/08 (2006.01); B64U 20/90 (2023.01); B64U 20/94 (2023.01); B64U 20/96 (2023.01); B64U 20/98 (2023.01); H02K 1/32 (2006.01); H02K 3/24 (2006.01); H02K 5/20 (2006.01); H02K 9/06 (2006.01); H02K 9/08 (2006.01); H02K 9/14 (2006.01); H02K 9/19 (2006.01); H02K 9/193 (2006.01); H02K 9/197 (2006.01); H02K 21/12 (2006.01);
U.S. Cl.
CPC ...
H02K 9/197 (2013.01); B64D 27/24 (2013.01); B64D 33/08 (2013.01); H02K 9/06 (2013.01); H02K 9/193 (2013.01); H02K 21/12 (2013.01);
Abstract

An apparatus for cooling an electric propulsion engine for an object, including a stator having a stator housing and a rotor, which is supported in a rotationally movable manner on the stator housing and is connected to a propulsion means for generating a force acting on the object, by a first coolant and a second coolant. The propulsion means generates a flow of the first coolant by rotational motion. The first coolant flows around or through the electric propulsion engine with aid of a flow guide, wherein the second coolant circulates in a cooling channel and transfers uptaken heat to the first coolant. The second coolant is circulated in the cooling channel with aid of a pump driven by the propulsion engine.

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