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:
Feb. 13, 2024
Filed:
Jul. 10, 2020
Applicant:
Otis Elevator Company, Farmington, CT (US);
Inventors:
Steven M. Millett, Plainville, CT (US);
Ismail Agirman, Southington, CT (US);
Amir Lotfi, South Windsor, CT (US);
Assignee:
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/26 (2006.01); B66B 5/02 (2006.01); B66B 1/32 (2006.01); B66B 11/04 (2006.01);
U.S. Cl.
CPC ...
B66B 1/32 (2013.01); B66B 5/02 (2013.01); B66B 11/0476 (2013.01);
Abstract
A braking system for an elevator includes an electromagnetic brake operably connected to an elevator car, and a control circuit operably connected to the electromagnetic brake. The control circuit includes a switching mechanism configured to selectively modify a rate of engagement of the electromagnetic brake to selectively modify a rate of deceleration of the elevator car. The switching mechanism has a first position, a second position and a third position, to selectively modify the rate of engagement.