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:
Oct. 30, 2012
Filed:
Mar. 12, 2008
Toru Kakebayashi, Tokyo, JP;
Takashi Yamaguchi, Tokyo, JP;
Yugo Tadano, Tokyo, JP;
Meidensha Corporation, Tokyo, JP;
Abstract
[Task] A high-speed driving is possible, a utilization of a power supply having a low voltage is possible, and a regeneration is easy to be carried out. [Means to solve the task] A first buck-boost chopper portion is provided on an output side of a batteryto boost a voltage across batteryduring a drive of a motor, a second buck-boost chopper portion is provided on an output side of the first buck-boost chopper portion to boost the voltage from an inverter portionduring a regeneration, inverter portionof a 120-degree conduction current source inverter is provided on the output side of the second buck-boost chopper portion, and a motoris provided on an output side of inverter portion