Multiple passage cooling circuit method and device for gas turbi

Details Multiple passage cooling circuit method and device for gas turbi Multiple passage cooling circuit method and device for gas turbi

1992-09-28

1995-06-13

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

60740, 60746, 2391325, F02C 722

Patent

active

054231787

ABSTRACT:
A gas turbine fuel nozzle and method of fuel flow provide resistance to coking of the fuel by means of a multiple passage heat transfer cooling circuit. Fuel streams to primary and secondary sprays of pilot and main nozzle tips are arranged to transfer heat between the pilot primary fuel stream and each of the main secondary fuel stream and the pilot secondary fuel stream. This protects the fuel in the streams from coking during both low flow, lower engine heat conditions and high flow, high engine heat conditions. This nozzle and flow can protect engines with both single tip and dual tip nozzles.

REFERENCES:
patent: 3638865 (1972-02-01), McEneny
patent: 3841565 (1974-10-01), Buisson et asl.
patent: 4157012 (1979-06-01), Dubell
patent: 4229944 (1980-10-01), Weiler
patent: 4258544 (1981-03-01), Gebhart et al.
patent: 4305255 (1981-12-01), Davies
patent: 4499735 (1985-02-01), Moore et al.
patent: 4735044 (1988-04-01), Rickey et al.
International Search Report from WIPO completed Jan. 7, 1994.

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