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.:
Date of Patent:
Sep. 13, 2005
Filed:
Mar. 09, 2001
Applicants:
Masahiko Ibamoto, Hitachinaka, JP;
Hiroshi Kuroiwa, Hitachi, JP;
Inventors:
Masahiko Ibamoto, Hitachinaka, JP;
Hiroshi Kuroiwa, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H003/38 ; B60K041/02 ;
U.S. Cl.
CPC ...
Abstract
A transmission in which an electric motor is inserted between a couple of clutch shafts of a twin-clutch type automatic transmission with the torque and speed of the electric motor being controlled. The pre-stage gear is released after the torque transfer is completed with the electric motor, and the clutch is exchanged after synchronizing the motor speed with the electric motor. Friction control of the clutch is not performed.