Self aligning planetary gear transmission & speed reducer

Details Self aligning planetary gear transmission & speed reducer Self aligning planetary gear transmission & speed reducer

1996-06-06

1997-12-02

Marmor, Charles A.

Planetary gear transmission systems or components

Planetary gearing or element

Floating or flexible coupling or support

475338, F16H 5708

Patent

active

056929897

ABSTRACT:
This invention relates to high reduction planetary transmissions that do not use internal ring gears and particularly planet gears that are the support for the planet carrier and in some cases the planet carrier may be used as a support bearing for the input shaft relative to the stationary and output gears with which they mesh. The floating is accomplished by providing means to let the carrier move radially in response to unbalanced forces from the planet gears. The floating of the planet gears improves the alignment between the intermeshing gears and the balancing of the load between the planet gears. A speed reducing device placed between the input shaft of the transmission and the drive means is used to decrease the speed of the input shaft to decrease the centrifugal force on the planetary pinions as they rotate around the sun and output gears.

REFERENCES:
patent: 3774477 (1973-11-01), Murphy
patent: 4092878 (1978-06-01), Campbell
patent: 4926715 (1990-05-01), Hirt et al.
patent: 5221237 (1993-06-01), Weber
patent: 5269734 (1993-12-01), Menge, Sr.
patent: 5328419 (1994-07-01), Motl et al.
patent: 5385514 (1995-01-01), Dawe
patent: 5472387 (1995-12-01), Kamlukin

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