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:
Mar. 11, 2008
Filed:
Aug. 20, 2004
Nobuyoshi Mutoh, Tokyo, JP;
Nobuyoshi Mutoh, Tokyo, JP;
Keio University, Tokyo, JP;
Abstract
A motor driving system includes an AC power supply, an AC reactor, a power converterand a motor. A microsurge suppressoris inserted on a power supply line from the power converterto the motorand the similar microsurge suppressoris inserted on a power supply line from the AC reactorto the power converter. The microsurge suppressorincludes a multi-layer printed wiring board having two terminals connected to the power converterand the motor 4 and a capacitor for bypassing a surge, and the terminalon the side of the motor of the multi-layer printed wiring board is directly connected to a terminal of the motor. The capacitor for bypassing a surge is connected between the terminal of the motorand the end on the side of a second terminal of second wiring.