Progressive cavity pump with meltable stator

F - Mech Eng,Light,Heat,Weapons – 04 – B

Patent

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Details

F04B 15/00 (2006.01) F04C 2/107 (2006.01) F04C 5/00 (2006.01) F04C 13/00 (2006.01)

Patent

CA 2322303

The invention comprises a progressive cavity pump for pumping a flowable explosive composition or other heat-sensitive material comprising an inlet and an outlet; a stator that is meltable at or above a selected maximum pump operation temperature; a rotor, and a drive shaft connecting the rotor to a power source; wherein the stator will melt above the selected temperature to prevent the generation of temperatures within the pump high enough to create a hazard. The invention also relates to a method of safely pumping a flowable explosive composition or other heat-sensitive material comprising the use of a progressive cavity pump having a stator that is meltable above a selected maximum pump operation temperature for the similar result.

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