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Patent Searching and Data


Title:
OUTDOOR UNIT FOR AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2017/168887
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an outdoor unit for an air conditioner such that erroneous determination of abnormality in an outdoor unit fan is reduced and abnormality detection accuracy is improved. To achieve this, this outdoor unit for an air conditioner comprises an outdoor unit with a fan, and is provided with a vibration detection means for detecting vibration of the fan and a control device that performs at least one or more retry operation for changing rotation of the fan if the vibration detecting means detects an abnormality in the fan. Examples of the retry operation include an operation for reducing and then increasing the rotational speed of the fan, an operation for stopping and then restarting the rotation of the fan, and an operation for rotating the fan backward and then rotating the fan forward.

Inventors:
MORI HAYATO (JP)
AKIYAMA YOSHIYUKI (JP)
INABA MASAMI (JP)
KASAHARA REI (JP)
YASUDA GEN (JP)
NAGAHASHI KATSUAKI (JP)
Application Number:
PCT/JP2016/088429
Publication Date:
October 05, 2017
Filing Date:
December 22, 2016
Export Citation:
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Assignee:
HITACHI-JOHNSON CONTROLS AIR CONDITIONING INC (JP)
International Classes:
F24F1/40; F04D27/00; F24F1/20; F24F1/38; F24F11/02; F24F11/04
Foreign References:
JP2006090677A2006-04-06
JP2010065594A2010-03-25
JP2010121869A2010-06-03
JP2014137161A2014-07-28
JP2008232562A2008-10-02
JP2007198653A2007-08-09
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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