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:
Jun. 16, 1998
Filed:
Sep. 07, 1995
Ken-ichi Endo, Suwa, JP;
Issei Yamakoshi, Suwa, JP;
Masao Ono, Yokohama, JP;
Tamotsu Fukazawa, Yokohama, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An electric power apparatus and a power transmitting apparatus of an electric vehicle are each constructed as a unit structure to improve the overall range and reliability of the electric vehicle. In the electric vehicle including, as a power system, a battery power supply, a motor, and a controller for controlling rotation of the motor, an electric power unit comprises a plurality of storage cells making up the battery power supply, a case housing the storage cells, a motor driving circuit and a charger both mounted on the case, a plate substrate covering the storage cells, and sockets for connecting respective terminals of the storage cells, the motor driving circuit and the charger. Also, in the electric vehicle including, as a driving system, a motor, a clutch, a transmission, and a power transmitting mechanism, a power transmitting unit comprises an automatic multiple-speed clutch transmission including a dog clutch, and the dog clutch comprises a clutch movable portion including a permanent magnet, and a clutch driving portion including excitation coils.