Power plants – Combustion products used as motive fluid – Combustion products generator
Reexamination Certificate
2007-09-12
2010-11-09
Bastianelli, John (Department: 3753)
Power plants
Combustion products used as motive fluid
Combustion products generator
C251S208000, C251S286000
Reexamination Certificate
active
07827796
ABSTRACT:
A rotary metering valve arrangement comprises a rotary metering valve arranged to control the supply of fuel to a Pressure Raising and Shut-Off Valve (PRSOV), the metering valve comprising a valve plate provided with first and second latching ports and an angularly movable valve element provided with a recess registrable, in use, with the first and second latching ports to control communication therebetween, the PRSOV comprising a valve member slidable within a bore provided with third and fourth latching ports the valve member being provided with a recess registrable, in use, with the third and fourth latching ports to control communication therebetween, the second and third latching ports communicating with one another.
REFERENCES:
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patent: 3915188 (1975-10-01), Burnell et al.
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patent: 4825908 (1989-05-01), Tsuchihashi et al.
patent: 5042529 (1991-08-01), Yeh
patent: 2005/0016176 (2005-01-01), Griffiths et al.
Bickley Daniel James
Jones Robert Paul
Andrus Sceales Starke & Sawall LLP
Bastianelli John
Goodrich Control Systems Limited
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