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. 16, 2003

Filed:

Mar. 11, 1999
Applicant:
Inventors:

Dai Karasawa, Kanagawa-ken, JP;

Katsumi Fukasawa, Tokyo, JP;

Assignee:

Kabushiki Kaisha Toshiba, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 7/5387 ; H02M 5/45 ;
U.S. Cl.
CPC ...
H02M 7/5387 ; H02M 5/45 ;
Abstract

A power converter including a plurality of arms. Each of the arms is composed of series connected first and second switching devices, first and second freewheeling diodes respectively connected in antiparallel with the first and second switching devices, and a phase capacitor connected in parallel with a series circuit of the first and second switching devices. The power converter further includes a DC power source connected between a DC positive bus and a DC negative bus, and a filter capacitor connected between the DC positive bus and the DC negative bus and in parallel with the DC power source. Each of the arms of the power converter is connected individually to the filter capacitor between the DC positive bus and the DC negative bus.


Find Patent Forward Citations

Karasawa, Dai. (2003). Power converter (U.S. Patent No. 6621723). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6621723

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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