Variable speed transmission

Details Variable speed transmission Variable speed transmission

1979-04-18

1981-07-21

Husar, C. J.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74681, F16H 3706

Patent

active

042791774

ABSTRACT:
An internal gear assembly comprising an internal gear and a pinion in mesh therewith is connected to either of a transmission input shaft and output shaft. A first sun gear fixedly mounted on the other of the input and output shafts meshes with a planet gear set rotatably carried by a planet carrier. Formed integral with a hollow shaft, the planet carrier is rotatable about the aligned axis of the input and output shafts. An eccentric shaft rotatably extends through an eccentric bore in the hollow shaft and is connected at one end to the internal gear assembly. A second sun gear is fixedly mounted on the other end of the eccentric shaft and meshes with the planet gear set. The speed ratio of the input and output shafts can be varied infinitely as by an electric motor geared to the planet gear set via an idler gear rotatably mounted on the hollow shaft. Additional embodiments are disclosed to accomplish the same objective.

REFERENCES:
patent: 2376429 (1945-05-01), Harry
patent: 2467226 (1949-04-01), Place

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