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:
May. 13, 2025
Filed:
Oct. 01, 2020
Applicant:
Otis Elevator Company, Farmington, CT (US);
Inventors:
Yu Pu, Farmington, CT (US);
Justin Billard, Amston, CT (US);
Assignee:
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 5/00 (2006.01); B66B 1/34 (2006.01); B66B 7/04 (2006.01); G01P 3/44 (2006.01);
U.S. Cl.
CPC ...
B66B 5/0018 (2013.01); B66B 1/3492 (2013.01); B66B 7/046 (2013.01); G01P 3/44 (2013.01);
Abstract
A roller speed sensor for detecting a speed of an elevator car of an elevator system including: a first roller configured to rotate along a guide rail of the elevator system when the elevator car moves up or down an elevator shaft, the first roller including: one or more magnets; and a first sensor pair located proximate the first roller, the first sensor pair being configured to detect a rotational speed of the one or more magnets.