Epicyclic speed reducer designed for fitment to the transmission

Details Epicyclic speed reducer designed for fitment to the transmission Epicyclic speed reducer designed for fitment to the transmission

1992-11-12

1995-02-21

Pitts, Andrea L.

Planetary gear transmission systems or components

Planetary gearing or element

Floating or flexible coupling or support

475331, F16H 128

Patent

active

053911253

ABSTRACT:
A speed reducer has a sun gear for connection to a turbine of an engine and a planet carrier supporting a number of planetary gears meshing with the sun gear and with the ring gear fitted to the engine mounting. According to the present invention, the planet carrier has a first annular element having pairs of seats for pins on each of which rotates one of the planetary gears. A second annular element for connection to a compressor of the engine has a number of axial arms fitted inside respective cavities of the first annular element. An end of each axial arm is connected to a portion of the first annular element that is substantially equidistant between to the seats of each of the pairs of seats.

REFERENCES:
patent: 801517 (1905-10-01), Fairfax
patent: 1418119 (1922-05-01), Wolcott
patent: 1442795 (1923-01-01), Cook et al.
patent: 4074591 (1978-02-01), Dick
patent: 4856377 (1989-08-01), Goudreau et al.
patent: 5074832 (1991-12-01), Igaku
patent: 5102379 (1992-04-01), Pagluica et al.

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