|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||F25B-043/02 F25B-043/00 F25B-043/04|
|미국특허분류(USC)||062/471; 062/470; 062/472; 062/473; 062/474; 062/475|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 11|
A refrigerating air-conditioning apparatus, at least provided with no possibility that a foreign material returns to a compressor from an accumulator at a time of the pipeline-cleaning operation firstly, and provided with a possibility to perform a collecting operation for the foreign material in a short time secondary, is provided. The heat-source side unit includes an accumulator provided with a function to separate and collect the foreign material in an existing pipeline, a collecting container for collecting the foreign material separated by the accu...
1. A refrigerating air-conditioning apparatus constructed by connecting a heat-source side unit and a load-side unit by an existing refrigerant pipeline, wherein the heat-source side unit comprises a compressor, a four-way valve that changes a direction of a flow of refrigerant discharged from the compressor, an accumulator provided in a low-pressure side main refrigerant circuit pipeline from the four-way valve to a suction side of the compressor, the accumulator having a function to separate and collect a foreign material in an existing pipeline, and a...