VALVE AND CONTROL VALVE FOR COMPRESSED AIR VESSELS, PARCIRULARLY, FOR OXYGEN VESSELS Russian patent published in 2008 - IPC F16K31/50 F16K1/30 F16K47/08 

FIELD: engines and pumps transport.

SUBSTANCE: control valve designed to control gas flows between high-pressure zone (42) and lower-pressure zone (43) incorporates hollow body (20) with an axle, first (28) second (27) chambers. Jet (30) arranged inside body (20) divides the aforesaid chambers (28,27), features a convex curvilinear wall and forms a gas passage between the said chambers (28,27). Plunger (21) arranged to translate inside the channel comprises distant part (22) located, at least, partially, in the first chamber (28), and proximate part (23) located inside chamber (27) arranged in the aforesaid channel. Working member (24) representing an O-ring arranged between the aforesaid plunger proximate and distant parts (23,22) is in contact with jet (30) to shut off gas flow. The invention incorporates several design version of the proposed valve.

EFFECT: expanded performances.

40 cl, 10 dwg