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:
May. 08, 2001
Filed:
Aug. 24, 1999
Applicant:
Inventor:
Thomas E. Braford, Jr., Brighton, MI (US);
Assignee:
BorgWarner Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D 2/108 ;
U.S. Cl.
CPC ...
F16D 2/108 ;
Abstract
A fluid pressure operated friction coupling comprising a multiple friction disc assembly having a single piston actuator and having first and second springs operatively configured and arranged in response to pressurization of the piston actuator to selectively engage first and second sets plates and friction components for varying the gain of the coupling.