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Patent Searching and Data


Title:
IMAGE HEATING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/225874
Kind Code:
A1
Abstract:
This image heating device comprises: first and second rotating bodies which form a nip part for heating a toner image on a recording material while conveying the recording material; first and second cooling fans which cool an end region on one end side of the first rotating body, the first cooling fan being provided at a position facing a first region that is part of the end region, and the second cooling fan being provided at a position facing the second region that is part of the end region, and is adjacent to the first region in the longitudinal direction and closer to an end on the one end side of the first rotating body than the first region; an air blowing port for sending air generated by the first and second cooling fans to the first rotating body; a shutter member capable of changing the opening width of the air blowing port; a shutter control unit which controls the position of the shutter member according to the width size of the recording material to be heated in the nip part; and a fan control unit which controls the operation of the first cooling fan and the operation of the second cooling fan individually according to the width size of the recording material to be heated in the nip part in a state where the shutter member is located at a position corresponding to the width size of the recording material to be heated in the nip part by the shutter control unit.

Inventors:
ITO HIROTO (JP)
NAKAMOTO IKUO (JP)
KATSUMI TORU (JP)
TAMAKI MASAYUKI (JP)
SHINAGAWA AKIYOSHI (JP)
KAKUBARI KOICHI (JP)
Application Number:
PCT/JP2018/022494
Publication Date:
December 13, 2018
Filing Date:
June 06, 2018
Export Citation:
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Assignee:
CANON KK (JP)
International Classes:
G03G15/20
Foreign References:
JP2014145895A2014-08-14
JP2006171237A2006-06-29
JP2014102486A2014-06-05
JP2012252194A2012-12-20
JP2014224990A2014-12-04
US20090245839A12009-10-01
Attorney, Agent or Firm:
YAMADA, Ryuichi (JP)
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