Activation mechanism for a dump valve in a tank

Details Activation mechanism for a dump valve in a tank Activation mechanism for a dump valve in a tank

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/52 (2006.01) B65D 90/62 (2006.01)

Patent

CA 2085908

ABSTRACT OF THE DISCLOSURE An activation mechanism for a dump valve characterized by a rod attached at a central position on a closure. Guide brackets are disposed in the fluid flow passage for supporting the rod substantially aligned with a central axis of a fluid flow passage. The rod is axially movable through the guide thereby moving the closure between the open position and the closed position. A shaft is disposed transverse to and offset from the central axis of the fluid flow passage. A bent linkage is provided having a first end pivotally connected to the rod and a second end pivotally connected to the an eccentric on the shaft. When the shaft rotates in a first direction a force is exerted through the bent linkage upon the rod to push the rod axially through the guide until the closure assumes the open position. When the shaft rotates in a second direction the rod is drawn axially through the guide until the closure assumes the closed position with the closure being locked in the closed position by an overcentre positioning assumed by the eccentric.

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