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 7004884 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 28, 2006

Filed:

Dec. 11, 2003
Applicant:

Sung Tae Cho, Hwaseong, KR;

Inventor:

Sung Tae Cho, Hwaseong, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

Shift performance of a powertrain system of a hybrid electric vehicle is enhanced by a powertrain system including a clutch, a primary motor, an automated shift gearbox (ASG) connected to the engine interposing the clutch, a secondary motor; and a differential gearbox, wherein the primary motor is disposed between an output shaft of the clutch and an input shaft of the ASG, and the secondary motor is disposed between an output shaft of the ASG and an input shaft of the differential gearbox.


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