Method and device for reducing the energy consumption of an...

Details Method and device for reducing the energy consumption of an... Method and device for reducing the energy consumption of an...

2011-01-11

2011-01-11

Benson, Walter (Department: 2837)

Elevator, industrial lift truck, or stationary lift for vehicle

With monitoring, signalling, and indicating means

Monitors operational parameter

C187S316000

Reexamination Certificate

active

07866446

ABSTRACT:
A device for reducing the energy consumption is used in an elevator installation which can be alternatively brought into an operating mode and a standby mode wherein in the standby mode the elevator installation is separated from a main energy source and connected with an auxiliary energy source, by means of which basic functions of the elevator installation are maintained so as to enable later entry into the operating mode. The device includes a detecting unit in order to detect a use criterion describing the current use status of the elevator installation. Moreover, a power-saving unit with a microprocessor is provided in order to bring the elevator installation from the operating mode to the standby mode in the case of non-fulfillment of the use criterion and fulfillment of standby criteria and to bring it from the standby mode to the operating mode in the case of non-fulfillment of the standby criteria.

REFERENCES:
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patent: 6049189 (2000-04-01), Markus et al.
patent: 6283252 (2001-09-01), Lee
patent: 6634463 (2003-10-01), Spannhake et al.
patent: 6782989 (2004-08-01), Spannhake et al.
patent: 04 327475 (1992-11-01), None
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patent: 2005 212921 (2005-08-01), None
patent: 2006 036399 (2006-02-01), None
Machine Translation for JP 2004-244191 provided by the Patent & Utility Model Gazette DB.

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