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:
Jun. 21, 2005
Filed:
Oct. 02, 2002
Applicants:
Olivier Doremus, Izel Lez Hameau, FR;
Rémi Trouyet, Dommartin, FR;
Inventors:
Olivier Doremus, Izel Lez Hameau, FR;
Rémi Trouyet, Dommartin, FR;
Assignee:
Valeo Embrayages, Amiens, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D025/08 ; F16D048/06 ;
U.S. Cl.
CPC ...
Abstract
A clutch for a motor vehicle having an annular diaphragm () with a concave clutch characteristic curve and a pneumatic actuator () acting on the diaphragm () for clutch release. A mechanism () is provided to generate a supplemental resistant force during clutch release to that developed by the diaphragm (). The invention is particularly applicable to industrial vehicles equipped with a pressurized gas source.