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.

Date of Patent:
Jun. 28, 2016

Filed:

Dec. 02, 2011
Applicants:

Kyungha Kim, Yongin-si, KR;

Hee Ra Lee, Anyang, KR;

Baekyu Kim, Suwon-si, KR;

Yeonho Kim, Suwon, KR;

Inventors:

Kyungha Kim, Yongin-si, KR;

Hee Ra Lee, Anyang, KR;

Baekyu Kim, Suwon-si, KR;

Yeonho Kim, Suwon, KR;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 3/66 (2006.01); B60K 6/44 (2007.10); B60W 10/08 (2006.01); B60K 6/445 (2007.10); B60K 6/365 (2007.10); F16H 3/72 (2006.01); B60L 11/12 (2006.01); B60L 11/14 (2006.01); F16H 37/08 (2006.01);
U.S. Cl.
CPC ...
B60K 6/445 (2013.01); B60K 6/365 (2013.01); B60L 11/123 (2013.01); B60L 11/14 (2013.01); F16H 3/728 (2013.01); F16H 2037/0873 (2013.01); F16H 2200/2007 (2013.01); F16H 2200/2038 (2013.01); F16H 2200/2041 (2013.01); Y02T 10/6217 (2013.01); Y02T 10/6239 (2013.01); Y02T 10/648 (2013.01); Y02T 10/7077 (2013.01);
Abstract

A power transmission system of a hybrid electric vehicle includes an input shaft, a first planetary gear set having a first rotation element, a second rotation element directly connected to the input shaft, and a third rotation element directly connected to a first motor/generator, a second planetary gear set having a fourth rotation element directly connected to the first rotation element and a second motor/generator, a fifth rotation element, and a sixth rotation element selectively connected to the second rotation element, an output gear connected to the fifth rotation element, a first clutch selectively connecting the engine with the input shaft, a second clutch selectively connecting the second rotation element with the sixth rotation element, a first brake interposed between the third rotation element and a transmission housing, and a second brake interposed between the sixth rotation element and the transmission housing.


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