Port integrated within valve stem

Details Port integrated within valve stem Port integrated within valve stem

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 37/00 (2006.01)

Patent

CA 2679122

A valve body (12) defines a fluid passage (15) and a valve sealing body (100) is positioned there. The valve sealing body is operable between open and closed positions which allow for fluid-flow and non-flow, respectively. The valve stem (40) has a free end and an engagement end where the engagement end engages the valve sealing body so that rotation of the valve stem' operates the valve sealing body between the open and closed positions. A measurement passage (45) is defined through the valve stem from the free end to the engagement end. The measurement passage is in fluid communication with the fluid passage (15) when the valve sealing body is in the open position, and at least one sealing member (60, 64) is positioned within the measurement passage (45).

L'invention concerne un corps de soupape (12) définissant un passage de fluide (15) sur lequel est positionné un corps de fermeture de soupape (100). Le corps de fermeture de soupape passe d'une position ouverte à une position fermée qui permettent respectivement un écoulement et un non-écoulement fluidique. La tige de soupape (40) comprend une extrémité libre et une extrémité de mise en prise, l'extrémité de mise en prise venant en prise avec le corps de fermeture de soupape de sorte que la rotation de la tige de soupape actionne le corps de fermeture de soupape entre les positions ouverte et fermée. Un passage de mesure (45) est défini à travers la tige de soupape, de l'extrémité libre à l'extrémité de mise en prise. Le passage de mesure est en communication fluidique avec le passage de fluide (15) lorsque le corps de fermeture de soupape (60, 64) est dans la position ouverte, et au moins un élément de fermeture est positionné dans le passage de mesure (45).

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