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:
Dec. 31, 2024
Filed:
Apr. 29, 2020
Applicant:
Mahle International Gmbh, Stuttgart, DE;
Inventors:
Assignee:
Mahle International GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 11/215 (2016.01); F16K 31/04 (2006.01); F16K 37/00 (2006.01); F25B 41/35 (2021.01);
U.S. Cl.
CPC ...
H02K 11/215 (2016.01); F16K 31/046 (2013.01); F16K 37/0041 (2013.01); F25B 41/35 (2021.01); F25B 2341/0683 (2013.01); F25B 2600/2513 (2013.01);
Abstract
An expansion valve for at least one of an air conditioning system, a battery cooler, and an oil cooler of a motor vehicle is disclosed. The expansion valve includes a housing, a sensor, a stepping motor or a brushless DC (BLDC) motor, a valve seat, and a valve body interacting with the valve seat. The stepping motor or the BLDC motor includes a rotor and a stator surrounding the rotor. The rotor includes a shaft and a permanent magnet body that is connected to the shaft in a rotationally fixed manner. The sensor is structured and arranged to detect at least one of an axial position and an angle of rotation of the permanent magnet body.