Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1996-12-03
1998-07-07
Bennett, Henry A.
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
137375, F16K 3112
Patent
active
057753687
ABSTRACT:
First reducing stage for a two-stage regulator, including a nozzle connected by a yoke and a clamping screw to an inlet, a pressure chamber, and a shutoff member that slides, guided by a piston or by a diaphragm, inside the pressure chamber. The adjacent compensating chamber contains a helical spring coaxial with the shutoff member and the end of the shutoff member is provided with a thermally insulating component. In the compensating chamber there is interposed, between the helical spring and the tubular part of the shutoff member, for the entire length of the spring, a thermally insulating component. That side of the diaphragm which communicates with said pressure chamber also has a covering of thermally insulating material. The helical spring is completely covered in thermally insulating material.
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Bennett Henry A.
Kim Joanne Y.
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