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:
Aug. 18, 2020
Filed:
Jan. 19, 2016
Otis Elevator Company, Farmington, CT (US);
Shashank Krishnamurthy, Glastonbury, CT (US);
Daryl J. Marvin, Farmington, CT (US);
Luis Arnedo, Cary, NC (US);
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
An elevator power distribution system includes an elevator car () configured to travel in a lane () of an elevator shaft () and a linear propulsion system configured to impart force to the elevator car. The linear propulsion system includes a first portion (), mounted in the lane and a second portion () mounted to the elevator car configured to coact with the first portion () to impart movement to the elevator car. A plurality of electrical buses () are disposed within the lane and configured to provide power to the first portion, a rectifier () is electrically connected to each of the plurality of buses and configured to convert power provided between the respective bus and a grid (), and a battery backup () is electrically connected with the rectifier and configured to transfer power to or receive power from the rectifier.