FUEL SYSTEM OF MULTIENGINED AIRCRAFT Russian patent published in 1995 - IPC

Abstract SU 1802494 A1

FIELD: aeronautical engineering. SUBSTANCE: fuel system of multiengined aircraft has tank 1 with service compartment 3 and tank 2 with compartment 4 with booster pumps 5 mounted in them. Booster pumps 5 are connected to engine 8 by means of fuel supply pipe line 7 fitted with fire cock 11 and to engine 10 by means of pipe line 9 fitted with fire cock 12. System is provided with cross feed line 13 with fueling device 17 fitted in its lower point. Cross feed line 13 is provided with shut-off cock 14 fitted at inlet of tank 1 and cock 15 fitted before tank 2; they are connected to fueling manifolds 16. Cross-feed line 13 is connected with fuel supply pipe line 7 by means of pipe line 18 fitted with cock 19 and with supply pipe line 8 by means of pipe line 20 fitted with shut-off cock 21. Closed section of cross-feed pipe line 13 is connected with relief valve 23 by means of pipe line 22. EFFECT: reduction of mass and enhanced reliability of operation of cryogenic fuel system in case of derangement of one of engines. 2 cl, 1 dwg

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SU 1 802 494 A1

Authors

Malyshev V.V.

Gal'Perin S.B.

Egorov N.P.

Dates

1995-06-09—Published

1990-10-19—Filed