Level controller

Details Level controller Level controller

F - Mech Eng,Light,Heat,Weapons

16

K

137/24

F16K 31/34 (2006.01) F16K 31/24 (2006.01) G05D 9/02 (2006.01)

Patent

CA 1284077

Abstract of the Disclosure An improved liquid level controller having a housing, a body connecting from the rear of the housing for con- necting directly to a vessel and to allow transmission of forces exerted by the displacer type float within the vessel responsive to changes in the level of liquid therein through the housing to a shaft having rotation about an axis extending horizontally and parallel to the rear of the housing, a torque bar pivotally mounted near its center to the body, means for imparting the rotational force of said shaft as an upward force to one side of the torque bar, means biasing the torque bar in a direction to maintain it in contact with and balance the force from said force imparting means, a control means having a supply and an output for actuating a liquid control, a proportional band mechanism including a lever pivotally mounted to said housing at one end and having a fulcrum member slidably mounted thereon for engaging said torque bar to transmit the slight motion of said torque bar in balancing the forces to a pin engaging said control means to control the liquid level in the vessel.

542369

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