Patent ID: 7179326
Filing Date: 2007-02-20
Classification: A61M,B01D,C01B

Abstract:
1. An oxygen concentrating apparatus for generating oxygen enriched gas by adsorbing and separating nitrogen gas from air, comprising: an oxygen concentrator having an adsorption cylinder filled with adsorbent for adsorbing nitrogen gas, also having an air inlet port, an oxygen outlet port and a nitrogen gas outlet port; a compressor for supplying compressed air from the air inlet port; a sound insulation box, which surrounds the compressor, for reducing noise generated from the compressor, ribs being formed on a side wall of the sound insulation box; a cooling fan for introducing air into the sound insulation box so as to cool the compressor by the introduced air; a housing surrounding the oxygen concentrator and the sound insulation box; and an exhaust duct arranged in the housing, for guiding the exhaust discharged from the cooling fan to the outside of the housing.