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:
Aug. 23, 2005

Filed:

Dec. 19, 2003
Applicants:

Takashi Aoki, Saitama, JP;

Hirokatsu Amanuma, Utsunomiya, JP;

Osamu Saito, Tochigi-ken, JP;

Inventors:

Takashi Aoki, Saitama, JP;

Hirokatsu Amanuma, Utsunomiya, JP;

Osamu Saito, Tochigi-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K041/02 ; B60K006/02 ;
U.S. Cl.
CPC ...
Abstract

When a hybrid vehicle picks up speed, the torque of a first motor is gradually reduced based on a vehicle speed before the vehicle speed reaches a vehicle speed threshold. When the vehicle speed is equal to or greater than the vehicle speed threshold, the torque of the first motor is reduced to zero. If the vehicle speed is equal to or greater than the vehicle speed threshold, then a third clutch connected to the first motor is disengaged.


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