Patent ID: 6352106
Filing Date: 2002-03-05
Classification: F16K,F24F,G05D

Abstract:
A self-balancing valve and actuator assembly for use in a variable-flow fluid distribution system, comprising:a valve body capable of connecting the valve to a pipe; a flow regulating device located within the valve body, the flow regulating device being positionable for controllably regulating fluid flow through the valve body; an electronic input for receiving a position command signal from a load controller; a local temperature sensor arranged for measuring an actual fluid temperature of fluid passing through the valve body; and a position controller mechanically coupled to the flow regulating device for modulating the position of the flow regulating device, wherein the position controller stores a threshold temperature determined by system requirements of a load within the distribution system, receives a measurement of the actual fluid temperature from the temperature sensor, receives the position command signal from the electronic input, and modulates the position of the flow regulating device based on the threshold temperature, the actual fluid temperature, and the position command signal.