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:
Sep. 08, 2020
Filed:
Feb. 02, 2016
Otis Elevator Company, Farmington, CT (US);
Arthur Hsu, South Glastonbury, CT (US);
David Ginsberg, Granby, CT (US);
Jose Miguel Pasini, Avon, CT (US);
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
A ropeless elevator system includes a plurality of elevator cars configured to travel in a hoistway having at least one lane, a propulsion system to impart force to each elevator car of the plurality of elevator cars, and a controller. The controller is programmed to operate in an in-group mode where the plurality of elevator cars perform service demands, an out-of-group mode where at least one selected elevator car of the plurality of elevator cars is prevented from performing the group service mode service demands, and a transition mode where the at least one selected elevator car is prepared and transitioned from operation in the in-group mode to operation in the out-of-group mode.