AIRCRAFT FUEL SYSTEM Russian patent published in 2010 - IPC B64D37/00 

FIELD: aircraft engineering.

SUBSTANCE: invention relates to aircraft engineering, namely, to aircraft fuel feed systems. Proposed fuel system comprises service compartment and fuel tanks furnished with electrically driven centrifugal booster and transfer pumps. One of said booster pumps incorporates device to feed fuel into engine at negative overloads. Service compartment has a bulkhead to separate it into two parts, one to accommodate aforesaid booster pumps and the other to house jet pump driven by booster pumps and running on active fuel. Bulkhead top incorporates overflow device, while bulkhead bottom is furnished with check valve to allow fuel transfer from fuel tanks to booster pumps with the latter inoperative and fuel system dead.

EFFECT: continuous fuel feed at negative overloads.

1 dwg