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. 09, 2015
Filed:
Apr. 30, 2012
Eric D. Staley, Flushing, MI (US);
Eric D. Staley, Flushing, MI (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
An engine assembly includes an engine structure, a crankshaft rotationally supported on the engine structure, a crankshaft isolator assembly and a belt. The crankshaft isolator assembly includes a hub fixed for rotation with the crankshaft, a crankshaft isolator pulley coupled to the hub, and a mechanical clutch. The mechanical clutch is engaged with the hub and the crankshaft isolator pulley. The mechanical clutch fixes the hub for rotation with the crankshaft isolator pulley during a first operating condition and allows relative rotation between the hub and the crankshaft isolator pulley during a second operating condition. The belt is engaged with the crankshaft isolator pulley and an accessory drive system.