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U.S. Department of Energy
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Standing and injection valve

Patent ·
OSTI ID:6679834
A standing valve is described operable as an injection valve comprising: (a) a housing having a longitudinal flow passage therethrough and at least one lateral flow passage through the housing wall communicating between the longitudinal flow passage and the housing exterior; (b) annular valve means in the housing for controlling flow through the lateral passage including an annular valve member mounted within the housing and a longitudinally movable annular seat member sealingly engageable with the valve member; (c) operator means connected to the seat member for moving the seat member between an open position, disengaging from the valve member and permitting flow between the housing passage and exterior, and a closed position, engaging with the valve member and preventing flow between the passage and the exterior; (d) control means for controlling operator means pressure required to move the seat member to open position; and (e) check valve means in the housing below the annular valve means permitting upward flow and preventing downward flow through the longitudinal passage.
Assignee:
Otis Engineering Corp., Dallas, TX
Patent Number(s):
US 4766960
OSTI ID:
6679834
Country of Publication:
United States
Language:
English