Automatic control valve

Details Automatic control valve Automatic control valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 17/04 (2006.01) G05D 7/01 (2006.01)

Patent

CA 2063832

Abstract The valve comprises a shutter (8) constituted by a body of revolution housed in a chamber (4) also com- prising a spring (15) maintaining the shutter in the closed position. The shutter (8) has a cylindrical portion provided with a leaktight seal (9) moving in a bore (5), a frustoconical portion (10) located facing a frustoconical portion (6) of the chamber and at least one passage (12, 13) between the frustoconical portion (6) and the front portion of the shutter. The valve is provided with an inlet conduit (16) emerging into the frustoconical portion (6) and an outlet conduit (17). A pressure in the inlet conduit (16) causes the shutter, whose frustoconical portion tends to close the inlet conduit (16), to move back. An equilibrium is produced between the pressure on the shutter (8) and the thrust of the spring (15).

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