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:
Nov. 18, 2014
Filed:
Jun. 04, 2012
Xiaohua Joe Chen, Windsor, CA;
John T. Harvey, Novi, MI (US);
Rudy Pupulin, Tecumseh, CA;
Keming Liu, Sterling Heights, MI (US);
Alexander Serkh, Troy, MI (US);
Imtiaz Ali, Lathrup Village, MI (US);
Dean Schneider, Washington, MI (US);
Peter Ward, Farmington Hills, MI (US);
Xiaohua Joe Chen, Windsor, CA;
John T. Harvey, Novi, MI (US);
Rudy Pupulin, Tecumseh, CA;
Keming Liu, Sterling Heights, MI (US);
Alexander Serkh, Troy, MI (US);
Imtiaz Ali, Lathrup Village, MI (US);
Dean Schneider, Washington, MI (US);
Peter Ward, Farmington Hills, MI (US);
The Gates Corporation, Denver, CO (US);
Abstract
An isolator decoupler comprising a shaft, a pulley journalled to the shaft, a clutch carrier journalled to the shaft through a one-way clutch, a torsion spring engaged between the pulley and the clutch carrier, the torsion spring loadable in an unwinding direction, the torsion spring and the pulley having a predetermined clearance between a torsion spring outside diameter surface and a pulley inside diameter surface, and whereby the torsion spring outside diameter surface and a pulley inside diameter surface come into a progressive frictional engagement by torque load dependent radial expansion of the torsion spring.