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. 10, 2000
Filed:
Jun. 13, 1997
Matsushita Electric Industrial Co., Ltd., Osaka-fu, JP;
Abstract
A protecting device of electromobile has control device to control the rotating speed of a motor on the basis of an accelerator signal, a brake signal, and output signals from an encoder sensor, a CS sensor, and a phase current detector, which includes a device for detecting interruption of input of the output signals and outputting detecting signal, a device for stopping supply of electricity to the motor in response to the detecting signal of the detecting device, a device for detecting a value of a phase current of the motor and outputting a detecting signal when the phase current is abnormal, and a device for stopping supply of electricity to the motor in response to the detecting signal of the phase current detecting device