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Patent Searching and Data


Title:
HEAT PUMP TYPE CHILLER
Document Type and Number:
WIPO Patent Application WO/2015/198751
Kind Code:
A1
Abstract:
A heat pump type chiller (100) equipped with a refrigeration circuit (110) and a circulating liquid circuit (200), with the circulating liquid circuit (200) being provided with a circulation pump (300). When the chiller (100) is started up a power supply circuit of the circulation pump (300) is turned on, after which, when a control device (140) does not receive within a prescribed period of time a prescribed signal (for example, an 'on' signal for a flow switch (411)) indicating that the circulating liquid circuit (200) is operating normally, the power supply circuit of the circulation pump (300) is turned off and the startup of a compressor (10) in the refrigeration circuit (110) is stopped.

Inventors:
KANAYA Yoshihisa (1-9, Tsurunocho, Kita-ku, Osaka-sh, Osaka 14, 〒5300014, JP)
HORIBE Masaya (1-9, Tsurunocho, Kita-ku, Osaka-sh, Osaka 14, 〒5300014, JP)
OTSUKA Shinichi (1-9, Tsurunocho, Kita-ku, Osaka-sh, Osaka 14, 〒5300014, JP)
Application Number:
JP2015/064167
Publication Date:
December 30, 2015
Filing Date:
May 18, 2015
Export Citation:
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Assignee:
YANMAR CO., LTD. (1-32, Chayamachi Kita-ku, Osaka-sh, Osaka 11, 〒5308311, JP)
International Classes:
F25B1/00
Foreign References:
JP2014052122A2014-03-20
JPS60259866A1985-12-21
JP2009204246A2009-09-10
JPH1078266A1998-03-24
JP2009036485A2009-02-19
JP2009174769A2009-08-06
US6041605A2000-03-28
Other References:
See also references of EP 3163220A4
Attorney, Agent or Firm:
ARC PATENT ATTORNEYS' OFFICE (1-2 Sonezaki 1-chome, Kita-ku Osaka-sh, Osaka 57, 〒5300057, JP)
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