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. 21, 2013
Filed:
Feb. 24, 2009
Applicants:
Karl-heinz Bauer, Troy, MI (US);
Xiaoning Xiang, Troy, MI (US);
Melissa Koenig, Howell, MI (US);
Inventors:
Assignee:
BorgWarner Inc., Auburn Hills, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 25/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A dual clutch transmission having a hydraulic circuit for controlling and cooling the clutches of a dual clutch transmission having lube valves in fluid communication with a source of pressurized fluid and wherein the cooling flow is controlled by a solenoid which is adapted to move a valve member to produce a flow area through the valve that is an inverse function of the current delivered to the solenoid and so as to deliver a predetermined control solenoid pressure ultimately to each of the clutches of a dual clutch transmission.