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Title:
REFRIGERATION DEVICE
Document Type and Number:
Japanese Patent JP2015075259
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reduce an error in refrigerant amount determination, in a refrigeration device having a refrigerant circuit including a compressor, a heat source side heat exchanger, a receiver and a use side heat exchanger, and capable of performing a normal operation and a refrigerant amount determination operation by switching them.SOLUTION: A refrigeration device (1) has a refrigerant circuit (10) including a compressor (21), heat source side heat exchangers (24, 25), a receiver (28) and use side heat exchangers (52a, 52b, 52c, 52d), and it is capable of performing a normal operation and a refrigerant amount determination operation by switching them. Then, here, a receiver bypass pipe (38) for bypassing the receiver (28) is connected to the refrigerant circuit (10), and in the refrigerant amount determination operation, a refrigerant is flowed in the receiver bypass pipe (38) for bypassing the receiver (28).

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Inventors:
KONO SATOSHI
TAKEUCHI TOMOHISA
KIMURA SAYAKO
MATSUOKA SHINYA
Application Number:
JP2013210148A
Publication Date:
April 20, 2015
Filing Date:
October 07, 2013
Export Citation:
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Assignee:
DAIKIN IND LTD
International Classes:
F25B49/02; F25B1/00; F25B43/00
Domestic Patent References:
JP2009115340A2009-05-28
JPH0737102Y21995-08-23
JP2000283573A2000-10-13
JP2010175190A2010-08-12
JP2006292212A2006-10-26
Foreign References:
US20060107671A12006-05-25
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation