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. 07, 2026
Filed:
Mar. 30, 2020
Mitsubishi Electric Corporation, Tokyo, JP;
Mariko Nakagawa, Tokyo, JP;
Tomokazu Sakashita, Tokyo, JP;
Miyuki Takeshita, Tokyo, JP;
Hidehito Yoshida, Tokyo, JP;
Hirohisa Kuwano, Tokyo, JP;
Takuya Miura, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
An elevator includes: a car moving in a hoistway; a load provided to the car; a first power storage unit, composed of one battery capable of charging and discharging, connected to the load, and supplying power to the load; a second power storage unit, composed of one or more batteries capable of charging and discharging, and connected to the load; a power transmission circuit and capable of transmitting power between the first power storage unit and the second power storage unit; and a control unit controlling the power transmission circuit to supply power from the second power storage unit to the first power storage unit, when it is determined that a remaining stored power amount of the battery constituting the first power storage unit is less than an amount of power required for driving the load for a certain period of time.