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. 07, 2021
Filed:
May. 31, 2017
Applicant:
Inventio Ag, Hergiswil, CH;
Inventors:
Assignee:
INVENTIO AG, Hergiswil, CH;
Primary Examiner:
Int. Cl.
CPC ...
B66B 5/02 (2006.01); B66B 1/30 (2006.01); B66B 1/34 (2006.01);
U.S. Cl.
CPC ...
B66B 5/027 (2013.01); B66B 1/308 (2013.01); B66B 1/3407 (2013.01); B66B 5/02 (2013.01);
Abstract
A drive control method and system for controlling an inverter during power disruptions in the operation of an elevator drive includes the steps of predetermining whether a hoist motor of the elevator drive will be operating in a motor mode, a balanced mode or a regenerative mode on commencement of the power disruption, and controlling the inverter in accordance with the predetermined operating mode after commencement of the power disruption.