Planetary speed reducer

Details Planetary speed reducer Planetary speed reducer

1977-09-29

1980-03-25

Chandler, Lance

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74665G, 74798, 74405, F16H 3706, F16H 5700

Patent

active

041944143

ABSTRACT:
A multistage speed reducer for high speed rotation including a planetary roller friction reducer for the first stage reducer and a geared reducer for the second stage reducer, the planetary roller friction reducer having its output shaft also used as the input shaft of the geared reducer. Such an arrangement permits transmission of a very high speed and large horsepower rotation at a relatively high reduction ratio with low noise while at the same time consuming less space. The speed reducer may preferably be equipped with safety means for excessive torques.

REFERENCES:
patent: 3054306 (1962-09-01), Garnier
patent: 3060767 (1962-10-01), Parrett
patent: 3126990 (1964-03-01), Hardman
patent: 3286852 (1966-11-01), Haulotte
patent: 3548987 (1970-12-01), Erickson et al.
patent: 3738193 (1973-06-01), Sumiyoshi et al.
patent: 3844184 (1974-10-01), Nelson et al.

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