Fluid handling – Destructible or deformable element controlled – Destructible element
Reexamination Certificate
2007-06-19
2007-06-19
Keasel, Eric (Department: 3753)
Fluid handling
Destructible or deformable element controlled
Destructible element
C137S456000, C251S063600, C251S329000
Reexamination Certificate
active
10489572
ABSTRACT:
A shut-off device, in particular for application in the extraction of natural gas and mineral oil, has a shut-off housing (3) comprising an admission channel (2) and in which a shut-off organ (4) is supported in an adjustable manner relative to the admission channel (2) between an open position (5) and a closed position (6), and has an actuating device (7) at least for adjusting the shut-off organ (4) from the open position (5) into the closed position (6). To improve such a shut-off device in that, especially in an emergency, fast adjustment of the shut-off organ to the closed position is possible in a constructively easy and economical manner, the actuating device comprises a gas generation device (8) for the production of an adjustment pressure for adjusting the shut-off organ (4) in the direction of the close position (6).
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Cameron International Corporation
Conley & Rose, P.C.
Keasel Eric
Lee Cloud
LandOfFree
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