Continuously variable transmission having a double eccentric sha

Details Continuously variable transmission having a double eccentric sha Continuously variable transmission having a double eccentric sha

1994-06-24

1995-10-03

Marmor, Charles A.

Planetary gear transmission systems or components

Planet periphery surrounds axis of interacting gear

Means to change speed ratio between input and output

475176, 475180, 74571M, 745942, 74117, 280238, F16H 344, F16H 2916, F16H 2920

Patent

active

054547660

ABSTRACT:
A hybrid transmission provides a continuous range of reduced output speeds in a coaxial relationship about a common central axis within a surrounding cylindrical housing. The input shaft speed is increased through a planetary transmission having a sun gear fixed to a variable eccentric shaft. The eccentric shaft is surrounded by an orbiter and spaced anchor and drive vanes, which are interconnected by a plurality of anchor and drive vanes. Output speed is varied by change of the degree of eccentricity, using a worm gear drive interposed between inner and outer eccentrics within the eccentric shaft. control is achieved through shift rings that rotate a worm in response to external cable tension.

REFERENCES:
patent: 363629 (1987-05-01), Grant
patent: 1832384 (1931-11-01), Hall et al.
patent: 2209417 (1940-07-01), Obermoser

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