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:
Dec. 18, 2012
Filed:
Aug. 31, 2006
Pengju Kang, Yorktown Heights, NY (US);
Mauro J. Atalla, South Glastonbury, CT (US);
Daryl J. Marvin, Farmington, CT (US);
Vladimir Blasko, Avon, CT (US);
Robert K. Thornton, Coventry, CT (US);
Stella M. Oggianu, Manchester, CT (US);
Pengju Kang, Yorktown Heights, NY (US);
Mauro J. Atalla, South Glastonbury, CT (US);
Daryl J. Marvin, Farmington, CT (US);
Vladimir Blasko, Avon, CT (US);
Robert K. Thornton, Coventry, CT (US);
Stella M. Oggianu, Manchester, CT (US);
Otis Elevator Company, Farmington, CT (US);
Abstract
A device () manages power source variations in an elevator system. The device includes a transformer () having a primary () and a secondary (). An input of the elevator system is connected to the secondary (). Tap switches () are connected to the transformer () such that each tap switch is connected to a tap point () on the transformer (). A controller () operates the tap switches () based on a sensed power source output to provide power on the secondary () within a tolerance band of the elevator system.