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:
May. 28, 2024
Filed:
Aug. 15, 2019
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
This power supply device is provided with: a primary power supply system for supplying power to a motor for rotary-driving a running wheel; a voltage converter unit for converting voltage by being supplied with a part of the power from the primary power supply system; a secondary power supply system for supplying electric power converted by the voltage converter unit to a steering device; and a primary backup power supply for supplying power to the voltage converter unit. The primary backup power supply makes it possible to supply the power to the voltage converter unit when the voltage of the power detected by a VD of the primary power supply system becomes smaller than a predetermined value.