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Title:
OXYGEN CONCENTRATOR
Document Type and Number:
Japanese Patent JP2008214109
Kind Code:
A
Abstract:

To provide an oxygen concentrator that reduces suction noise regardless of the set supply amount of oxygen.

A suction buffer tank 400 connected to the upstream side of a compressed air generating unit incorporates a sound-deadening suction pipe for deadening the suction noise when air is partially introduced into the compressed air generating unit, as well as the tank is connected to a first suction pipe 401 to introduce a part of air and a second suction pipe 402 branched from or placed along the first suction pipe, wherein an opening/losing valve 12 that is opened when an oxygen supply amount is set large is connected to either the first suction pipe or the second suction pipe.


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Inventors:
OGAWA HIROSHI
ENOMOTO TAKASHI
Application Number:
JP2007049999A
Publication Date:
September 18, 2008
Filing Date:
February 28, 2007
Export Citation:
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Assignee:
TERUMO CORP
IKIKEN KK
International Classes:
C01B13/02; A61M16/10; B01D53/04
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama



 
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