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. 05, 2019
Filed:
May. 21, 2013
Applicant:
Otis Elevator Company, Farmington, CT (US);
Inventors:
Zbigniew Piech, Cheshire, CT (US);
Wojciech Szelag, Poznan, PL;
Rafal Wojciechowski, Srem, PL;
Cezary Jedryczka, Lniano, PL;
Assignee:
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/06 (2006.01); B66B 11/04 (2006.01); B66B 11/02 (2006.01); B66B 9/00 (2006.01); H02J 5/00 (2016.01); H02K 41/03 (2006.01); B66B 9/02 (2006.01);
U.S. Cl.
CPC ...
B66B 11/0407 (2013.01); B66B 9/00 (2013.01); B66B 9/02 (2013.01); B66B 11/0226 (2013.01); H02J 5/005 (2013.01); H02K 41/031 (2013.01);
Abstract
An elevator system includes an elevator car having an elevator car subsystem; a guide rail to guide the elevator car along a hoistway; primary windings positioned along the hoistway; permanent magnets coupled to the elevator car, the primary windings and permanent magnets defining a linear motor for imparting motion to the elevator car in response to a drive signal; and secondary windings coupled to the elevator car, the secondary windings generating a current to power the elevator car subsystem.