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:
Aug. 31, 2004
Filed:
Mar. 15, 2002
Applicant:
Inventors:
Hidetoshi Hayashi, Ohbu, JP;
Takuya Nagayasu, Ohbu, JP;
Assignee:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 7/06 ; H02P 1/100 ; H02P 9/00 ;
U.S. Cl.
CPC ...
H02H 7/06 ; H02P 1/100 ; H02P 9/00 ;
Abstract
In a general-purpose induction motor, a three-phase induction motor is provided with a terminal box containing terminals for electrical connection and a conversion module contained in the terminal box and coupled to the three-phase induction motor. The conversion module has a function of converting a plurality of types of single-phase AC into a single type of three-phase AC. With this structure, the general-purpose induction motor can be used with the single-phase AC.