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:
Aug. 22, 2017
Filed:
May. 20, 2015
Applicant:
Federal-mogul Corporation, Southfield, MI (US);
Inventor:
Thomas W. Swasey, Okemos, MI (US);
Assignee:
Federal-Mogul LLC, Southfield, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 25/12 (2006.01); F16D 25/0638 (2006.01); B29K 71/00 (2006.01); B23P 15/00 (2006.01); F16D 25/08 (2006.01); B29C 45/14 (2006.01);
U.S. Cl.
CPC ...
F16D 25/12 (2013.01); F16D 25/0638 (2013.01); B23P 15/00 (2013.01); B29C 45/14336 (2013.01); B29K 2071/00 (2013.01); F16D 25/083 (2013.01); F16D 2300/08 (2013.01);
Abstract
The clutch piston assembly includes a one piece piston body which extends about an axis and has at least one radially inwardly facing surface and at least one radially outwardly facing surface. At least one seal is engaged with the piston body and extends either radially outwardly from the radially outwardly facing surface or radially inwardly from the radially inwardly facing surface. The seal is made of polyetheretherketone (PEEK) or polyaryletherketone (PAEK) for establishing a low friction and fluid tight seal between the piston body and a wall in the automatic transmission.