AIR CONDITIONER AND METHOD FOR CLEANING SAME

Title:

AIR CONDITIONER AND METHOD FOR CLEANING SAME

Document Type and Number:

WIPO Patent Application WO/2008/018373

Kind Code:

A1

Abstract:

Provided is a method for cleaning an air conditioner, by which a quantity of remaining impurities is reduced without vacuumizing, in the case of using carbon dioxide as an operating coolant. The method is provided for cleaning the air conditioner (1) which uses carbon dioxide as an operating coolant, and the method has three steps. In a filling step (S10), a refrigeration cycle is filled with carbon dioxide. In a discharge step (S30), the material filled in the refrigeration cycle is discharged after the filling step (S10). In a repeating step (S40), unit operation is performed at least once when the unit operation is composed of the filling step (S10) and the discharge step (S30).

Inventors:

KURIHARA TOSHIYUKI (JP)
MATSUOKA HIROMUNE (JP)

Application Number:

PCT/JP2007/065234

Publication Date:

February 14, 2008

Filing Date:

August 03, 2007

Export Citation:

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Assignee:

DAIKIN IND LTD (JP)
KURIHARA TOSHIYUKI (JP)
MATSUOKA HIROMUNE (JP)

International Classes:

F25B1/00; F25B43/00; F25B45/00

Foreign References:

JP2001041613A	2001-02-16
JPH0783545A	1995-03-28
JP2001165535A	2001-06-22
JPH04198676A	1992-07-20
JP2004270974A	2004-09-30
JP2004218972A	2004-08-05

Other References: