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Patent Searching and Data


Title:
ELEVATOR POWER SUPPLY SYSTEM
Document Type and Number:
Japanese Patent JP2004277111
Kind Code:
A
Abstract:

To reduce electric power consumption of an elevator by utilizing external light actively when there is external light in the daytime.

The inside of a car 2 is made bright by external light supplied through an open shaft 8 and a view glass 3 to ensure sufficient illumination even if light of a part of each lighting system is reduced. A battery unit 10 is charged by electric power obtained by each exterior panel 4 constituted by solar battery panels and each door panel 4. Electric power stored in the battery unit 10 is taken out when external light does not reach the inside of the open shaft 8 after sunset to generate power supply voltage for illumination in order to light each exterior lighting system 12 provided in the exterior panel 4 and each lighting system arranged in the car 2.


Inventors:
NOGUCHI KUNIHARU
Application Number:
JP2003071732A
Publication Date:
October 07, 2004
Filing Date:
March 17, 2003
Export Citation:
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Assignee:
TOSHIBA ELEVATOR CO LTD
International Classes:
B66B1/34; B66B11/02; (IPC1-7): B66B1/34; B66B11/02
Attorney, Agent or Firm:
Hidekazu Miyoshi
Miyoshi Yasuo
Iwa Saki Kokuni
Kawamata Sumio
Nakamura Tomoyuki
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu