Fluid handling – Systems – Supply and exhaust
Reexamination Certificate
2008-09-09
2008-09-09
Rivell, John (Department: 3753)
Fluid handling
Systems
Supply and exhaust
C124S074000
Reexamination Certificate
active
11758284
ABSTRACT:
An on-off controller, according to various aspects of the present invention, for controlling a pressurized fluid from a provided bottle, the bottle having a poppet valve biased in a closed position, wherein the pressurized fluid flows from the bottle when the poppet valve is open, the on-off controller includes a body, a seal, a rod, and a position mechanism. The body having a cavity, an inlet, an outlet, and a vent, the inlet and the outlet having continuous fluid communication with the cavity, the vent having sealable fluid communication with the cavity. The seal having a seal bore therethrough, the seal for sealing the vent. The rod having a first bore and a second bore, the first bore in continuous fluid communication with the second bore, the rod positioned in the seal bore. The position mechanism that moves the rod to: close the vent, wherein the first bore and the second bore are positioned on a same side of the seal and the rod sealably contacts the seal; and open the vent, wherein the first bore is positioned on a cavity side of the seal and the second bore is positioned on a vent side of the seal, the rod sealably contacts the seal, whereby the pressurized fluid in the cavity exits through the first bore and the second bore to the atmosphere.
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Carpenter Dale
Henley Jason
Carpenter Dale
Letham Lawrence
Lethan Law Firm LLC
Rivell John
Schneider Craig M
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