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Title:
REFRIGERANT FILLING DEVICE, REFRIGERATING DEVICE AND REFRIGERANT FILLING METHOD
Document Type and Number:
Japanese Patent JP2008261591
Kind Code:
A
Abstract:

To suppress variation in a refrigerant filling time to a refrigerant circuit.

This refrigerant filling device comprises a motor-operated valve 49 provided at a supply pipe 47; a flow control part 50 adjusting the opening of the motor-operated valve 49 so that flow in the supply pipe 47 is within a predetermined range based on the pressure difference between the pressure of a refrigerant supplied to the supply pipe 47 and a refrigerant pressure on the intake side of a compressor 14; an outside air temperature sensor 36 detecting an outside air temperature; and a low pressure side pressure sensor 34 detecting the refrigerant pressure on the intake side of the compressor 14. The pressure difference is the pressure difference between a saturation pressure equivalent to the outside air temperature detected by the outside air temperature sensor 36, and the refrigerant pressure detected by the low pressure side pressure sensor 34.


Inventors:
KONO SATOSHI
OKA MASAHIRO
TANI KAZUHIKO
OKAMOTO ATSUSHI
Application Number:
JP2007105744A
Publication Date:
October 30, 2008
Filing Date:
April 13, 2007
Export Citation:
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Assignee:
DAIKIN IND LTD
International Classes:
F25B45/00
Domestic Patent References:
JP2006010117A2006-01-12
JP2006207925A2006-08-10
JP2005241050A2005-09-08
JP2005114184A2005-04-28
JP2000274891A2000-10-06
JP2001074342A2001-03-23
JPH04240365A1992-08-27
JP2005241172A2005-09-08
Attorney, Agent or Firm:
Etsushi Kotani
Takao Ito
Jiro Higuchi
Tamagushi Yukihisa



 
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