Variable ratio planetary assembly

Details Variable ratio planetary assembly Variable ratio planetary assembly

1975-09-17

1977-05-24

Scott, Samuel

Machine element or mechanism

Elements

Gear casings

74687, 74740, 74789, F16H 3700, F16H 4704

Patent

active

040247767

ABSTRACT:
A variable ratio planetary assembly is comprised of a pair of planetary gear systems, each driven by an input shaft, and an output assembly rotatably mounted relative to the input shaft. The first planetary system has a carrier fixed relative to a support and drives a first drive gear means rotatably mounted on the output assembly. The second planetary system, sized differently than the first, drives a second drive gear means similarly mounted. Holding the output assembly fixed, allows portions of the first and the second drive gear means to rotate at a first peripheral speed ratio relative one to the other. Interconnecting the aforesaid portions defines a second peripheral speed ratio and rotates the output assembly relative to the input shaft.

REFERENCES:
patent: 2582620 (1952-01-01), Colucci
patent: 3374691 (1968-03-01), Schottel

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