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.:

US 8272987 B1

Expired

Date of Patent:

Sep. 25, 2012

Filed:

Oct. 15, 2009

Single planetary, single motor/generator hybrid powertrain with three or more operating modes

Applicants:

Awadesh Tiwari, Bangalore, IN;

Ravikanth G V, Karnataka, IN;

Atul Kumar Agrawal, Karnataka, IN;

Deepa Kesavan, Bangalore, IN;

Inventors:

Awadesh Tiwari, Bangalore, IN;

Ravikanth G V, Karnataka, IN;

Atul Kumar Agrawal, Karnataka, IN;

Deepa Kesavan, Bangalore, IN;

Assignee:

GM Global Technology Operations LLC, Detroit, MI (US);

Attorney:

Quinn Law Group, PLLC

Primary Examiner:

David D Le

Assistant Examiner:

Colby M Hansen

Int. Cl.

CPC ...

F16H 3/72 (2006.01); B60K 1/02 (2006.01); B60K 6/20 (2007.10);

U.S. Cl.

CPC ...

Abstract

A hybrid powertrain has an engine, an input member, an output member, and a stationary member, and includes a single planetary gear set having a first, a second, and a third member. The input member is connected for common rotation with the engine and the output member is connected for common rotation with the second member. A single motor/generator is continuously connected for common rotation with the third member. A starter motor is operatively connected to the engine for starting the engine. A first torque-transmitting mechanism is selectively engagable to connect the input member for rotation with the first member. A second torque-transmitting mechanism is selectively engagable to ground the first member to the stationary member. A third torque-transmitting mechanism is selectively engagable to ground the third member to the stationary member. The powertrain is operable in an electric-only operating mode, an engine-only operating mode, and an electrically-variable operating mode.

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Tiwari, Awadesh. (2012). Single planetary, single motor/generator hybrid powertrain with three or more operating modes (U.S. Patent No. 8272987). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8272987

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