AIRCRAFT GAS TURBINE ENGINE Russian patent published in 2012 - IPC F02C7/06 

FIELD: engines and pumps.

SUBSTANCE: proposed engine comprises turbocompressor unit, combustion chamber, jet nozzle, ACS, fuel and hydraulic oil systems with appropriate pumps. Pumps include one delivery pump and set of discharge pumps, suction and pressure oil lines. At least, one of said pumps represents gerotor pump with driven shaft, at least one pair of offset gears and shaft axial retainers made up of cylindrical pin and stopper in congruent contact like ledge-recess. Oil system comprises rotor and drive unit bearing oil cavities with lubing points and bellows gate arranged in oil delivery line with air release device in bellows loop made up of jet nozzle mounted in air section of oil cavities communicated with said bellows loop.

EFFECT: perfected oil system, decreased weight and increased power ouptput per unit weight, expanded operating performances.

7 cl, 4 dwg