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. 25, 2026
Filed:
Nov. 15, 2022
Otis Elevator Company, Farmington, CT (US);
Matthias Hoinkis, Berlin, DE;
Sebastian Gehrke, Berlin, DE;
Jan Ruhnke, Berlin, DE;
Peter Herkel, Berlin, DE;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
A method of learning a rescue time period by an elevator system (). The elevator system () includes an elevator car () moved by a machine () and a machine brake (), arranged such that braking of the machine () by the machine brake () brakes motion of the elevator car (). The method includes releasing the machine brake () for at least one test time period, at the end of which the machine brake () is engaged, detecting a corresponding at least one maximum travel speed of the elevator car () reached as a result of releasing the machine brake () for each at least one test time period, checking whether each at least one maximum travel speed is an acceptable speed, and setting the rescue time period based upon said checking.