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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 12491521 B1

PDFFull Text
Date of Patent:
Dec. 09, 2025

Filed:

Mar. 06, 2020

Built-in magnetic filter module and clutch separation system

Applicant:

Schaeffler Technologies Ag & Co. KG, Herzogenaurach, DE;

Inventors:

Guangyu Jian, Shanghai, CN;

Zhili Xu, Shanghai, CN;

Assignee:

Schaeffler Technologies AG & Co. KG, Herzogenaurach, DE;

Attorney:

Volpe Koenig

Primary Examiner:

Liam Royce

Int. Cl.
CPC ...
B03C 1/28 (2006.01); B03C 1/02 (2006.01); F16B 4/00 (2006.01); F16D 25/08 (2006.01); F16D 25/12 (2006.01); F16D 48/02 (2006.01); F16L 55/24 (2006.01);
U.S. Cl.
CPC ...
B03C 1/286 (2013.01); B03C 1/02 (2013.01); F16B 4/004 (2013.01); F16L 55/24 (2013.01); B03C 2201/18 (2013.01); B03C 2201/30 (2013.01); F16D 2025/081 (2013.01); F16D 25/12 (2013.01); F16D 25/14 (2013.01);
Abstract

A built-in magnetic filter module for filtering the working fluids of clutch separation systems, the built-in magnetic filter module including an air release valve and a magnetic filtration unit including a housing. The housing includes a pipe section providing passage for the working fluid. The magnetic filtration unit is installed on the circumference of the internal wall of said pipe section, and is configured to contact the working fluid and attract metallic foreign matter from within the working fluid.

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Jian, Guangyu. (2025). Built-in magnetic filter module and clutch separation system (U.S. Patent No. 12491521). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12491521

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