COMPACT TRANSMISSION Russian patent published in 2019 - IPC F02C7/32 F16H1/22 

FIELD: aviation.

SUBSTANCE: compact transmission comprises a gearbox of aircraft units and an assembly selected from a group comprising a multistage fuel pump or a multistage lubricating unit. Box is configured to transmit power from aircraft power plant to unit and comprises connecting shaft, made with possibility of rotation by power plant, main shaft, made with possibility of rotation by connecting shaft, two conic wheels of different diameters, fixedly connected with main shaft. Proposed unit comprises high-frequency shaft of the unit comprising conical wheel and low-frequency shaft of the unit, which contains conical wheel. Each gear wheel of the unit is engaged with one of the two conical wheels of the main shaft so that both shafts of the unit rotate at different speeds relative to each other. Another invention of group relates to aircraft containing above mentioned transmission.

EFFECT: group of inventions makes it possible to provide for compactness of transmission, and also allows to feed the unit requiring two input speeds.

6 cl, 11 dwg