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:
Oct. 27, 2015

Filed:

Dec. 23, 2013
Applicant:

Hyundai Motor Company, Seoul, KR;

Inventors:

Baekyu Kim, Suwon-si, KR;

SungGon Byun, Anyang-si, KR;

Hyunsup Kim, Seoul, KR;

Hee Ra Lee, Anyang-si, KR;

Insup Kim, Anyang-si, KR;

Seok Joon Kim, Yongin-si, KR;

Chulmin Ahn, Busan, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 3/72 (2006.01); B60K 6/365 (2007.10); B60K 6/387 (2007.10); B60K 6/442 (2007.10);
U.S. Cl.
CPC ...
B60K 6/365 (2013.01); B60K 6/387 (2013.01); B60K 6/442 (2013.01); Y10S 903/902 (2013.01);
Abstract

A transmission system of a hybrid electric vehicle may include an input shaft connected to an engine, first and second motors/generators disposed on a transmission housing, a planetary gear set disposed on the input shaft and having three rotation elements, of which one rotation element is connected to the transmission housing, another rotation element is connected to the input shaft, and the other rotation element is connected to the first motor/generator and operated as an output element, a first output gear disposed on the input shaft without rotational interference therebetween and connected to the second motor/generator, a second output gear disposed on the input shaft without rotational interference therebetween, and a first clutch selectively connecting the second output gear to the input shaft.


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