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US 10,113,426 B2Granted
Stator for an eccentric screw pump
OwnerKorbinian Eisnerinventor
Life of this patent
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Abstract
A stator (10) for a feed pump, in particular for an eccentric screw pump, wherein the stator (10) comprises a stator body (18) having an accommodation hole (36) for accommodating a rotor (24). It is further provided that the stator body (18) is configured as an elastomer body (20) reinforced at least in sections with a thread inlay (38).
Claims16
A stator for an eccentric screw pump, the stator comprises:
- a stator body, the stator body comprising:
- an accommodation hole configured for accommodating a rotor;
- a tubular elastomer body reinforced at least in sections with a thread inlay and having an axial first end and an axial second end opposite the axial first end;
- a first end piece;
- and
- a second end piece,
- wherein:
- the tubular elastomer body forms an outer surface of the stator body;
- the first axial end is secured to the first end piece;
- and
- the second axial end is secured to the second end piece.
8 more elements
A stator for an eccentric screw pump, the stator comprises:
- a stator body, the stator body comprising:
- an accommodation hole configured for accommodating a rotor;
- an elastomer body reinforced at least in sections with a thread inlay;
- one or more supporting elements provided on an outer circumferential surface of the stator body and distributed along a longitudinal extension of the stator body;
- at least one tie rod which is connected to end pieces of the stator adjacent axial ends of the stator body;
- and
- wherein the one or more supporting elements provided on the outer circumferential surface of the stator body rest against the at least one tie rod.
4 more elements
A stator for an eccentric screw pump, the stator comprises:
- a stator body, the stator body comprising:
- an accommodation hole configured for accommodating a rotor, the stator body comprises;
- a tubular elastomer body reinforced at least in sections with a thread inlay and having an axial first end and an axial second end;
- a plurality of supporting elements provided on the stator body, each supporting element extending from an outer surface of the stator body at a first axial location spaced from a second axial location of at least one other supporting element;
- and
- wherein the elastomer body forms an outer surface of the stator body.
3 more elements
Dependencies are inferred from the claim text.