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. 30, 2023
Filed:
Aug. 22, 2018
Applicant:
Otis Elevator Company, Farmington, CT (US);
Inventor:
Richard N. Fargo, Plainville, CT (US);
Assignee:
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/28 (2006.01); B66B 1/30 (2006.01); B66B 5/02 (2006.01); B66B 5/22 (2006.01); B66B 11/04 (2006.01);
U.S. Cl.
CPC ...
B66B 1/285 (2013.01); B66B 1/30 (2013.01); B66B 5/02 (2013.01); B66B 5/22 (2013.01); B66B 11/0407 (2013.01); Y02B 50/00 (2013.01);
Abstract
An elevator system includes an elevator car; a guide rail; and a linear synchronous reluctance motor including: a primary circuit having a plurality of primary poles and windings about the primary poles; a secondary circuit having a plurality of secondary poles; the primary circuit coupled to one of the elevator car and the guide rail, the secondary circuit coupled to the other of the elevator car and the guide rail.