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:
Sep. 06, 2016
Filed:
May. 03, 2013
Applicant:
Kone Corporation, Helsinki, FI;
Inventors:
Assignee:
Kone Corporation, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/06 (2006.01); B66B 1/34 (2006.01); B66B 5/06 (2006.01);
U.S. Cl.
CPC ...
B66B 1/34 (2013.01); B66B 5/06 (2013.01);
Abstract
A backup circuit for supplying electricity to an electronic overspeed governor in connection with a malfunction of a main electricity supply is disclosed. The backup circuit includes an energy storage. The backup circuit is configured to disconnect the supply of electricity from the energy storage to the electronic overspeed governor with a delay when the malfunction of the main electricity supply is detected, and when the malfunction of the main electricity supply continues for a predetermined amount of time, restarting the supply of electricity from the energy storage to the electronic overspeed governor.