Stator for an eccentric screw pump or an eccentric screw...

F - Mech Eng,Light,Heat,Weapons – 01 – C

Patent

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Details

F01C 21/10 (2006.01) F01C 5/04 (2006.01) F04C 5/00 (2006.01) F04C 15/00 (2006.01) F04C 29/00 (2006.01)

Patent

CA 2701674

The invention relates to a stator for an eccentric screw pump or an eccentric screw motor and to a method of producing a stator. The inventive stator includes an outer stator tube (2), at least one stator segment (3a, 3b, 3c), and at least one tube end portion (4), whereby the at least one stator segment (3a, 3b, 3c) is disposed within the outer stator tube (2), and the at least one tube end portion (4) completes the outer stator tube (2) at one end (5) of the outer stator tube (2), whereby the thickness of the tube end portion (4) in a region that in the axial direction follows the outer stator tube (2) is greater than the thickness of the outer stator tube (2), and whereby the stator segment (3a, 3b, 3c) is connected in a frictional or positive manner with the outer stator tube (2) be means of a radial deformation of the outer stator tube (2).

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