Rod mounted load cell
Patent
·
OSTI ID:6900405
This patent describes a load cell for detecting the load on a rod which drives a reciprocating pump located in a borehole wherein the rod extends through a hanger bar and is secured with a rod clamp. It comprises: a body for receiving the rod therein, means for centralizing the rod within the body, a strain gauge mounted on the body, and the body and the means for centralizing positioned on the rod between the hanger bar and the rod clamp for applying the load on the rod across the body for detecting the load by operation of the strain gauge.
- Assignee:
- NOV; EDB-90-138049; NOV-90-026064
- Patent Number(s):
- US 4932253; A
- Application Number:
- PPN: US 7-346166A
- OSTI ID:
- 6900405
- Country of Publication:
- United States
- Language:
- English
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