Device for pumping highly-viscous material, in particular...

Details Device for pumping highly-viscous material, in particular... Device for pumping highly-viscous material, in particular...

F - Mech Eng,Light,Heat,Weapons

04

D

103/17

F04D 3/02 (2006.01)

Patent

CA 1284285

Abstract device for pumping highly-viscous material, particularly thick oil, said device being adapted to immersion in the material and comprising a helical screw 18 ) and urrounding said screw a shell (9). In order to ensure the feed of the material and screw and said shell are arranged to rotate in opposite directions and to said shell are fixed outwardly- directed feeding vanes (15) and at the root of said feeding vanes on the material collection side are apertures for the delivery of the material to screw (8) rotating within said shell. The speeds of rotation of said screw and said shell can be separately adjustable.

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