Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature
Reexamination Certificate
2011-03-01
2011-03-01
Casaregola, Louis (Department: 3741)
Power plants
Combustion products used as motive fluid
Combined with regulation of power output feature
C060S734000, C417S016000
Reexamination Certificate
active
07895819
ABSTRACT:
A system for driving a fuel pump in a turbine engine is disclosed. The system includes an electric motor and a fluid flow assistance unit controlled by a control valve. In the system, the control valve is a regulator valve the opening of which is controlled as a function of information representative of the speed of the pump, and/or the speed of the turbine engine, and/or the flow rate of fuel delivered to the turbine engine. As a result, operating safety of the turbine engine can be increased in the event of the electric motor failing or of its electricity generator failing, and the weight/size/cost ratios of the drive system are improved.
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patent: 7040082 (2006-05-01), Bouiller et al.
patent: 1 382 817 (2004-01-01), None
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patent: 2 882 095 (2006-08-01), None
Casaregola Louis
Hispano Suiza
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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