HELICOPTER TRANSMISSION Russian patent published in 2017 - IPC B64C27/14 B64D35/00 

FIELD: aviation.

SUBSTANCE: transmission comprises the engine shaft, which is linked to the drive shaft of the main rotor transmission by virtue of the externally actuated clutch and the expansion clutch. The externally actuated clutch is designed as the drive collar, fastened to the engine shaft by the hub, connected to the bearing disc by virtue of the guide members. The collar has the bearing sleeve towards the bearing disc. The controlled sleeve is coaxially mounted on the bearing sleeve. There are slotted holes on the outside of the controlled sleeve from one end, and there is the overrunning clutch from the other. The driving metal discs that are suitable for the movement along the guide members and the pressure disc, which is spring-mounted towards the bearing disc and is connected to the controlled drive, are placed between the drive collar and the bearing disc. The controlled friction discs are placed among the driving metal discs and are suitable for the axial movement along the slotted holes on the outer surface of the controlled sleeve.

EFFECT: weight reduction and decrease in dimensions.

6 cl, 1 dwg