Fluid handling – Systems – Dividing into parallel flow paths with recombining
Patent
1988-04-04
1989-06-27
Hepperle, Stephen
Fluid handling
Systems
Dividing into parallel flow paths with recombining
25112906, G05D 706, F16K 3102
Patent
active
048420174
ABSTRACT:
A valve is one of a plurality of similar valves set out in the form of a matrix to constitute a portion of the fuel control system of a gas turbine engine. The valve comprises a piezo-electric crystal and is deformable by the application of a potential difference thereto from a first, non-deformed condition in which the crystal blocks the orifice to second deformed condition in which the orifice is unblocked. At least some of the valves are normally redundant but are caused to become operable in the event of the failure of any of the other operable valves.
REFERENCES:
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patent: 4498471 (1985-02-01), Kranz et al.
patent: 4690465 (1987-09-01), Takeda et al.
Hepperle Stephen
Rolls-Royce plc
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