Replaceable freewheel unit for helicopters

Details Replaceable freewheel unit for helicopters Replaceable freewheel unit for helicopters

1974-10-15

1976-03-09

Camby, John J.

Machine element or mechanism

Gearing

Directly cooperating gears

64 4, 74421A, F16H 120

Patent

active

039423875

ABSTRACT:
An angle gear box for a helicopter main rotor drive has a more compact arrangement of the usual gear train elements of the input section as well as a freewheel unit. The input section gear train includes a power input shaft mounted on bearings and having a bevel pinion and a power output shaft mounted on bearings and having a bevel gear meshing with the pinion. The output shaft has an axial chamber in which the freewheel unit is housed and from which it can be readily removed without disturbing the mounting elements of the gear train and the critical relationship of the high speed bevel gears.

REFERENCES:
patent: 3226987 (1966-01-01), McCarty
patent: 3442444 (1969-05-01), Kievit
patent: 3871242 (1975-03-01), Linstromberg

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