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U.S. Department of Energy
Office of Scientific and Technical Information

Check valve test method for control rod drive

Patent ·
OSTI ID:7170217

This patent describes, in a hydraulically actuated control rod drive, a check in the hydraulic circuit between the hydraulic actuator and the hydraulic fluid pressure source for preventing reverse flow of the hydraulic circuit responsive to the ejection of the control rod by ambient pressure within the reactor vessel. The improvement to the hydraulic circuit comprising a hydraulic conduit between the check valve and the hydraulic fluid pressure source.

Assignee:
General Electric Co., San Jose, CA
Patent Number(s):
US 4863673
Application Number:
PPN: US 7236830A
OSTI ID:
7170217
Country of Publication:
United States
Language:
English