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US20090025564 Silencer and oxygen concentrator having silencer  
Provided are an expansion-type silencer (10) including a substantially rectangular parallelepiped-shaped expansion chamber (16) surrounded by six partition walls and having a suction port (20) and...
US20130167727 AIR FILTER AND SILENCER  
Air filter and silencers comprise an air filter element having an annular body with openings at opposed ends. A top is attached over one of ends, has an outer flange sealed to the element, and...
US20160325218 AIR CLEANER  
An air cleaner of this disclosure includes a hollow case, a filter element, and an opening end member. The hollow case defines an expanded space; the filter element defines an upstream-side...
Matches 1 - 3 out of 3