HYBRID POWERTRAIN HAVING THREE INTERCONNECTING MEMBERS AND BRAKES
Application 1444/KOL/2007 published 2008-07-11, filed 2007-10-23
The electrically variable transmission family of the present invention provides low-content, electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, three electric machines serving interchangeably as motors or generators and at least one brake. The three motor/generators are operable in a coordinated fashion to yield an EVT with a continuously variable range of speed ratios (including reverse). One of the brakes enables series hybrid operation. No. of Pages : 43 No. of Claims : 18
Applicant
1)GM GLOBAL TECHNOLOGY OPERATIONS, INC
:300 GM RENAISSANCE CENTER DETROIT, MICHIGAN U.S.A.
Inventor
1)PATRICK B. USORO
International Info
Classification: B60K6/485; B60W10/08
Priority Information
11/561,061 U.S.A. 2006-11-17