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:
Nov. 22, 2016
Filed:
Jun. 10, 2016
Gs Yuasa International Ltd., Kyoto-shi, JP;
Takeyuki Shiraishi, Kyoto, JP;
Takeshi Itagaki, Kyoto, JP;
GS YUASA INTERNATIONAL LTD., Kyoto-Shi, Kyoto, JP;
Abstract
A switch failure detector configured to be installed in an electric system including an electric storage device, the switch failure detector includes at least one electronic switch connected in a path in which a charging current to the electric storage device and a discharging current from the electric storage device flow, at least one rectifier for passing a discharging current by bypassing the electronic switch when the electronic switch is turned off, a switch voltage detection circuit configured to detect a voltage drop caused by the at least one electronic switch, and a controller for sending an on-command signal to the at least one electronic switch to turn on the electronic switch, and receiving the voltage detected by the switch voltage detection circuit while the on-command signal is sent to the electronic switch.