A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 16/10 (2006.01)
Patent
CA 2607269
Provided are an expansion-type silencer (10) having a substantially rectangular expansion chamber (16) surrounded by six partition walls and having a gas inlet (20) and a gas outlet (22) that are provided in partition walls, and an oxygen concentration device using the silencer. The expansion- type silencer (10) has a rib (24) extending from one of the partition wall (16), in which partition wall the gas outlet (22) is provided, toward the inside of the expansion chamber (16) while in contact with a pair of partition walls (16) that are parallel to each other and next to the one of the partition walls (16). A gas flow path (26) for communicating the gas outlet (22) and the expansion chamber (16) is formed in the rib (24).
L~invention concerne un silencieux expansible (10) comportant une chambre d~expansion sensiblement rectangulaire (16) entourée de six cloisons et comportant une entrée de gaz (20) et une sortie de gaz (22) prévues dans les cloisons, et un dispositif de concentration en oxygène utilisant le silencieux. Le silencieux expansible (10) comporte une nervure (24) s~étendant depuis une des cloisons (16), dans laquelle la sortie de gaz (22) est prévue, vers l~intérieur de la chambre d~expansion (16) tout en étant en contact avec une paire de cloisons (16) parallèles l~une avec l~autre et proches de la première cloison (16). Un circuit d~écoulement de gaz (26) reliant la sortie de gaz (22) à la chambre d~expansion (16) est formé dans la nervure (24).
Borden Ladner Gervais Llp
Teijin Pharma Limited
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