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:
Sep. 27, 2005

Filed:

Mar. 09, 2004
Applicants:

Tsutomu Inui, Saitama, JP;

Tsutomu Wakitani, Saitama, JP;

Inventors:

Tsutomu Inui, Saitama, JP;

Tsutomu Wakitani, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D029/00 ;
U.S. Cl.
CPC ...
Abstract

The output of an engine driven generator G is directly supplied to a motorfor travel without the intermediary of a battery. The output capacity of each of the generator G and motoris determined so that the maximum output of the generator G may substantially coincide with the maximum control electric power that is supplied to the motor. The over-current with respect to the motor is suppressed by the output impedance of the generator G. A CPUperforms output control so as for the output to conform to the load according to the electric current with respect to the motor. If the electric current increases, the voltage is varied to a level thereof that conforms to that electric current for ensuring sufficient torque.


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