A - Human Necessities – 61 – H
Patent
A - Human Necessities
61
H
A61H 31/00 (2006.01) F16K 11/074 (2006.01)
Patent
CA 2289737
A valve for controlling gas flow to ven-tilator or physiotherapy apparatus, has a body having first and second inlet ports and an outlet port. A shutter plate is rotatable with respect to said body and adapted selectively to intercon-nect said inlet ports to said outlet port. Said shutter plate is operable on rotation in a single sense to connect alternately said first inlet port to said outlet port and said second inlet port to said outlet port.
L'invention concerne une soupape de commande d'un écoulement de gaz vers un ventilateur ou un appareil de physiothérapie, la soupape comprenant un corps comportant un premier et un deuxième orifice d'admission et un orifice de sortie. Une plaque d'obturation est rotative par rapport à ce corps et est sélectivement adaptée pour relier les orifices d'admission à l'orifice de sortie. La plaque d'obturation peut être actionnée par rotation dans une seule direction pour relier en alternance le premier orifice d'admission à l'orifice sortie et le deuxième orifice d'admission à l'orifice de sortie.
Hayak Zamir
Ridout & Maybee Llp
LandOfFree
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