Title:
ARTICLE FOR CLEANING PIPING OF AIR CONDITIONER AND METHOD THEREFOR
Document Type and Number:
Japanese Patent JP3733823
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for cleaning an air conditioner capable of obtaining a long-term reliability even by utilizing existing piping for the conditioner using an HFC refrigerant by realizing cleaning of existed piping in a short time.
SOLUTION: The method for cleaning the air conditioner comprises the steps of conveying an article from one piping port of inner and outer connecting piping of the conditioner via a compression gas and removing an oil, a moisture and a refuse retained in the piping from another piping port. In this case, the article inserted into the piping is formed by disposing a nonwoven fabric on a surface of a foamed material having a closed cell foam.
Inventors:
Masakatsu Iwashimizu
Akira Fujitaka
Tomoaki Ando
Hirohide Yakumaru
Hironao Numamoto
Shigehiro Sato
Eiji Nakakaku
Yasuaki Matsumoto
Seiji Ota
Akira Fujitaka
Tomoaki Ando
Hirohide Yakumaru
Hironao Numamoto
Shigehiro Sato
Eiji Nakakaku
Yasuaki Matsumoto
Seiji Ota
Application Number:
JP2000039567A
Publication Date:
January 11, 2006
Filing Date:
February 17, 2000
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
B08B9/04; F28G1/12; F25B47/00; (IPC1-7): F28G1/12; B08B9/04; F25B47/00
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano
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