DEVICE FOR LUBRICATION OF SUPPORT BEARING OF ROTOR OF JET GAS TURBINE ENGINE Russian patent published in 2017 - IPC F02C7/06 

FIELD: engine devices and pumps.

SUBSTANCE: in the device, the suction branch of the evacuation pump is made in the form of a hollow flexible element connected hermetically to the inlet flange of the pump and equipped with an oil intake with an inertial load at the end, and a normally open ball valve is installed in the channel for venting the oil cavity, which allowas for the overturning of the aircraft or the occurrence of negative overloads to exclude overflow of oil from an oil tank in the oil cavity of the basic bearing at performance by the aircraft of long (more than 30 s) figured flights and to adjust the circulating volume of oil in the oil tank and ensure the stability of the oil pressure at the engine inlet.

EFFECT: increased maneuverability of the aircraft by increasing the duration of the figured flights.

2 dwg