Power plants – Combustion products used as motive fluid – Multiple fluid-operated motors
Reexamination Certificate
2011-05-31
2011-05-31
Cuff, Michael (Department: 3741)
Power plants
Combustion products used as motive fluid
Multiple fluid-operated motors
C417S251000
Reexamination Certificate
active
07950214
ABSTRACT:
The present invention is directed to auxiliary apparatus for augmenting the pressure head of a gas flowing in a pipeline that may be provided by at least one gas turbine running a first pressure augmenting means, said auxiliary apparatus comprising: a vapor turbine operatively connected to a second pressure augmenting means; first connection means for providing fluid communication between said pipeline and said second pressure augmenting means; second connection means for providing fluid communication between said first pressure augmenting means and said second pressure augmenting means; and heating means for vaporizing a working fluid of said vapor turbine. In one embodiment, a bypass means for said pipeline having a bypass conduit and shut-off valve system are provided for connecting said first pressure augmenting means to the downstream portion of said pipeline via a bypass conduit. In a further embodiment, the vaporizer of the working fluid utilizes the heat of an intermediate fluid. Furthermore, in accordance with the present invention, a method is provided for augmenting the pressure head of a gas flowing in a pipeline for transporting natural gas in a natural gas pipeline transmission system.
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Bronicki Lucien Y.
Sinai Joseph
Cuff Michael
Nguyen Andrew
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ormat Technologies Inc.
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