Progressive cavity pump
A progressive cavity pump is described, comprising: a first housing portion defining an inlet; a second housing portion attachable to the first housing portion and defining an outlet; a substantially elastomeric stator comprising an outer portion removably attached to the first and second housing portions, having a first end and a second end spaced from the first end, an inner portion defining a pumping chamber and spaced an annular end portion interconnecting the first ends of the outer and inner portions; a rotor disposed in the inner portion of the stator and extending through the pumping chamber for pumping fluid from the inlet to the outlet in response to rotation of the rotor; and an elongated member disposed in the housing portions and generally annularly between the inner and outer portions of the stator and longitudinally between the annular end portion of the stator and a portion of the second housing portion, the member being removable from the housing portions and separable from the stator.
- Assignee:
- Halliburton Co., Duncan, OK
- Patent Number(s):
- US 4818197
- OSTI ID:
- 5991529
- Resource Relation:
- Patent File Date: Filed date 20 Jan 1987
- Country of Publication:
- United States
- Language:
- English
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