REFRIGERATION DEVICE - DAIKIN IND LTD

Title:

REFRIGERATION DEVICE

Document Type and Number:

WIPO Patent Application WO/2014/069603

Kind Code:

A1

Abstract:

A refrigeration device (1) is provided with a compressor (2), a condenser (4, 6), an expansion mechanism (5), and an evaporator (6, 4). The refrigeration device (1) uses a refrigerant comprising R32, and a refrigerating machine oil for lubricating the compressor (2). The refrigerating machine oil has blended therein an acid scavenger of which the added amount is 1.0 to 5.0 wt%. The amount of air mixed into the refrigeration device (1) is controlled to 500 ppm or less with respect to an amount of filled refrigerant. An amount of moisture mixed into the refrigeration device (1) is controlled to 300 ppm or less with respect to the amount of filled refrigerant. The temperature of gas discharged from the refrigeration device (1) is controlled to 120°C or below.

Inventors:

TANAKA MASARU
MATSUURA HIDEKI
TAIRA SHIGEHARU
NAKAI AKINORI

Application Number:

PCT/JP2013/079634

Publication Date:

May 08, 2014

Filing Date:

October 31, 2013

Export Citation:

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Assignee:

DAIKIN IND LTD (JP)

International Classes:

F25B1/00; C09K5/04; C10M105/32; C10M107/24; C10M129/18; C10M133/22; C10M169/04; C10N30/12; C10N40/30

Domestic Patent References:

WO2012104893A1	2012-08-09
WO2012086518A1	2012-06-28
WO2012026213A1	2012-03-01

Foreign References:

JP2009191212A	2009-08-27
JP2003097441A	2003-04-03
JPH06240277A	1994-08-30
JP2011162799A	2011-08-25
JP2001226690A	2001-08-21

Other References: