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. 29, 2004
Filed:
Sep. 25, 2001
Hiroyuki Yamada, Hitachinaka, JP;
Minoru Kaminaga, Hitachinaka, JP;
Kazuhito Ishida, Hitachinaka, JP;
Kaname Sasaki, Hitachinaka, JP;
Other;
Abstract
The present invention aims to provide an electric vehicle which provides good usability for a user and is economical and to provide a control device for an electric vehicle, which is high in reliability. An AC motor is used as a motor for driving running or driving wheels, and DC motors are respectively used as a steering auxiliary motor and a motor for driving a forklift device. Further, in order to achieve the above aim, an inverter circuit and chopper circuits are connected in parallel with a battery, and an electrolytic capacitor is connected in parallel with the inverter circuit, whereas an electrolytic capacitor is connected in parallel with the chopper circuit.