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:
Feb. 03, 2004

Filed:

Aug. 31, 2001
Applicant:
Inventors:

Tomoyuki Hanyu, Hitachi, JP;

Masahiko Amano, Hitachiohta, JP;

Masahiko Ibamoto, Hitachinaka, JP;

Toshimichi Minowa, Mito, JP;

Yasuo Morooka, Hitachi, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 3/72 ;
U.S. Cl.
CPC ...
F16H 3/72 ;
Abstract

The present invention provides a driving apparatus for a vehicle comprising an engine for providing a primary driving force to a driving shaft and an auxiliary power plant connected with the engine through a transmission the transmission comprising an input shaft for inputting the primary driving force from the engine and an output shaft connected to the input shaft for transmitting the primary driving force to the driving shaft wherein the auxiliary power plant provides a secondary driving force to the driving shaft during a shifting in speed.


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