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:
Dec. 22, 2020
Filed:
Mar. 08, 2019
Denso Corporation, Kariya, JP;
Takashi Inamoto, Kariya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A battery monitoring apparatus includes a first voltage detector provided to a first short circuit connected to a target cell, a second voltage detector connected to the target cell and provided to a second short circuit, a switch forming a closed circuit connected to an assembled battery and including a resistor, a third voltage detector detecting an inter-terminal voltage between positive and negative electrode terminals of the assembled battery, a switch abnormality determination section determining, in a state where the switch is driven in a closing direction, presence or absence of abnormal opening of the switch based on a difference between detection voltages obtained by the first and second voltage detectors, and a disconnection determination section determining, in the state where the switch is driven in the closing direction, presence or absence of disconnection at the assembled battery based on a detection voltage obtained by the third voltage detector.