Well pump
Patent
·
OSTI ID:6474089
Well fluid pumping apparatus comprises: (A) body structure defining an upright plunger bore, (B) a plunger reciprocable in that bore, (C) the body structure also defining a chamber sidewardly offset from an axis defined by the plunger bore and communicating with the bore, and (D) valving carried by the body structure to pass intake fluid via the chamber into the plunger bore in response to stroking of the plunger in one direction in the bore, and to pass discharge fluid from the plunger bore into and from the chamber in response to stroking of the plunger in the opposite direction in the bore.
- Assignee:
- EDB-83-082257
- Patent Number(s):
- US 4375946
- OSTI ID:
- 6474089
- Resource Relation:
- Patent File Date: Filed date 20 Apr 1981; Other Information: PAT-APPL-255770
- Country of Publication:
- United States
- Language:
- English
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