Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Reexamination Certificate
2005-05-24
2005-05-24
Hepperle, Stephen M. (Department: 3753)
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
Reexamination Certificate
active
06895995
ABSTRACT:
A flow regulator particularly for sub-sea chemical injection at low continuous rates includes a piston moveable in response to differential pressure and controlling via a lever connection an inlet valve. The differential pressure is balanced by a dual rate spring assembly which is positionally adjustable by means of a screw-threaded adjusting rod.
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Kirkman Douglas F
Tibbitts Matthew H
Hepperle Stephen M.
KOP Limited
Nixon & Vanderhye P.C.
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