Apparatus for controlling the flow-rate of liquid of an electric pump and the temperature of the control and actuation electronics of a pumping device that carries the electric pump

Abstract

An apparatus for controlling the flow-rate of liquid of an electric pump and the temperature of the control and actuation electronics of a pumping device that carries the electric pump, the apparatus comprising, on a single monolithic segment of delivery duct, a flow-rate detector and a heat sink for a control and actuation unit, which is provided with temperature detection elements, the heat sink having a wet side that is exposed to the liquid and a dry side that is sealed from the liquid, with which the control and actuation unit is associated.

What is claimed is: 
     
         1 . An apparatus for controlling the flow-rate of liquid of an electric pump and the temperature of the control and actuation electronics of a pumping device that carries the electric pump, comprising, on a single monolithic segment of delivery duct:
 flow-rate detection means,   a heat sink for a control and actuation unit, which is provided with temperature detection means, said heat sink having a wet side that is exposed to the liquid and a dry side that is sealed from the liquid, with which said control and actuation unit is associated.   
     
     
         2 . The apparatus according to  claim 1 , wherein said flow-rate detection means are part of a first portion of said monolithic segment and comprise a flowmeter with a rotating fan and means for transporting data to an external device for control and actuation of the pumping device. 
     
     
         3 . The apparatus according to  claim 1 , wherein said heat sink is mounted on a second portion of said monolithic segment and said control and actuation unit is associated therewith and provided with said temperature detection means, which consist substantially of a temperature sensor and are associated with an external device for the control and actuation of the pumping device, which belongs to said control and actuation unit. 
     
     
         4 . The apparatus according to  claim 3 , wherein said heat sink consists substantially of a first wall that closes a liquid passage chamber that is extended on said second portion, said control and actuation unit being associated with said first wall on the dry side sealed from the liquid. 
     
     
         5 . The apparatus according to  claim 4 , wherein said delivery liquid passage chamber is provided internally with a baffle for diverting the flow toward the wet side of said heat sink. 
     
     
         6 . The apparatus according to  claim 1 , wherein said monolithic portion is provided, at a first end portion thereof and second end portion, with means for quick and reversible connection respectively to a segment of pipe that carries the liquid in output from said electric pump and to another segment of delivery duct.