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:
Jul. 15, 2003
Filed:
Sep. 15, 2000
Applicant:
Inventors:
Toshimasa Tanaka, Seto, JP;
Tsuyoshi Hosoito, Inuyama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 3/134 ; G01R 3/100 ; G01R 3/106 ; H02H 3/00 ;
U.S. Cl.
CPC ...
G01R 3/134 ; G01R 3/100 ; G01R 3/106 ; H02H 3/00 ;
Abstract
A leak detection method for electrical equipment provided with an electric motor, includes the step of detecting, during non-energization of the motor, a voltage generated in a voltage-dividing resistor provided between a winding of the motor and ground, thereby detecting leak produced in the motor.