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.

Date of Patent:
Nov. 16, 2021

Filed:

May. 10, 2019
Applicant:

Borgwarner Inc., Auburn Hills, MI (US);

Inventors:

Florian Oliver Dannwolf, Mannheim, DE;

Volker Reiners, St. Leon-Rot, DE;

Tim Traeger, Dossenheim, DE;

Assignee:

Borg Warner Inc., Auburn Hills, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 13/72 (2006.01); F16D 69/00 (2006.01); F16D 13/64 (2006.01); F16D 13/74 (2006.01); F16D 65/12 (2006.01); F16D 65/02 (2006.01);
U.S. Cl.
CPC ...
F16D 13/72 (2013.01); F16D 13/64 (2013.01); F16D 13/74 (2013.01); F16D 65/127 (2013.01); F16D 65/128 (2013.01); F16D 69/00 (2013.01); F16D 2065/132 (2013.01); F16D 2065/1332 (2013.01); F16D 2069/009 (2013.01); F16D 2300/0212 (2013.01); F16D 2300/06 (2013.01);
Abstract

The present invention relates to a frictional part () for a frictionally acting device comprising an annular friction surface (), which has an inner edge () and an outer edge (), wherein a circumferential groove () which extends in a zig-zag or undulating fashion between radially interior and radially exterior deflection points (), a plurality of outer grooves () which each have an outer opening () at the outer edge () and open into the circumferential groove () at opening points () between the deflection points (), and a plurality of inner grooves () which each have an inner opening () at the inner edge () and open into the circumferential groove () between the opening points (), are provided in the friction surface (). The outer opening () of at least one of the outer grooves () has a groove cross section which is larger than a groove cross section of the inner opening () of at least one of the inner grooves ().


Find Patent Forward Citations

Dannwolf, Florian. (2021). Frictional part for a frictionally acting device (U.S. Patent No. 11174902). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11174902

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

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