Rotary to linear valve and method of use

Details Rotary to linear valve and method of use Rotary to linear valve and method of use

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 3/24 (2006.01) F16K 3/26 (2006.01) F16K 31/524 (2006.01)

Patent

CA 2494118

A valve is disclosed that is operable by converting rotational force of a stem (114) into linear motion of a valve closure element, such as a sleeve (102), to control flow through the valve. In a presently preferred embodiment, at least two interconnection members (110, 112) are rotatably mounted, such as with a round end, to a stem drive element (124). The interconnection members (110, 112) are slidably mounted into channel or grooves (130, 132) in a sleeve (102). Rotatable movement of the stem (114) permits rotation of the interconnection members (110, 112) whereby the interconnection members (110, 112) are constrained to slide in the channels (130, 132) whereby rotational movement of the stem (114) is converted into translational or linear movement of the valve closure element.

L'invention concerne une vanne fonctionnant sous l'effet de la conversion de la force de rotation d'une tige (114) en mouvement linéaire d'un élément de fermeture de vanne, tel qu'un manchon (102), afin de réguler d'écoulement du liquide à travers cette vanne. Dans un mode de réalisation préféré, au moins deux éléments d'accouplement (110, 112) sont montés rotatifs, à savoir qu'ils présentent une extrémité arrondie, à un élément de commande (124) de tige. Ces éléments d'accouplement (110, 112) sont montés coulissants dans des canaux ou des rainures (130, 132) du manchon (102). La rotation de la tige (114) entraîne la rotation des éléments d'accouplement (110, 112), ce qui force ces éléments d'accouplement (110, 112) à coulisser dans les canaux (130, 132) et permet, par conséquent, de convertir la rotation de la tige (114) en mouvement de translation ou déplacement linéaire de l'élément de fermeture de vanne.

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