Title:
REPLACEMENT TIMING SENSING DEVICE FOR FAN DEVICE
Document Type and Number:
Japanese Patent JP2002364581
Kind Code:
A
Abstract:
To provide a replacement timing sensing device for fan device capable of issuing a replacement alarm before a fan goes in failure.
The replacement timing sensing device for a fan device is structured so that the revolving speed of the fan is sensed, and when the preset lifetime frequency speed is reached, a fan replacing display is exhibited.
Inventors:
SATO AKIHIRO
Application Number:
JP2001165439A
Publication Date:
December 18, 2002
Filing Date:
May 31, 2001
Export Citation:
Assignee:
CANON KK
International Classes:
B41J29/42; B41J29/46; F04D27/00; G03G21/00; (IPC1-7): F04D27/00; B41J29/42; B41J29/46; G03G21/00
Attorney, Agent or Firm:
Takanashi Yukio
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