Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Fluid control of friction planetary gearing
Patent
1989-01-30
1990-04-17
Diehl, Dwight G.
Planetary gear transmission systems or components
Fluid drive or control of planetary gearing
Fluid control of friction planetary gearing
475186, 475187, 475191, F16H 3710, F16H 3706
Patent
active
049169769
ABSTRACT:
A hydraulically, vacuumatically controlled infinitely variable speed drive transmission connecting an input shaft to an output shaft, comprising a plurality of sets of adhesion rollers mounted radially of the input and output shafts in diammetrically opposed relation to one another. The adhesion rollers are movable radially of input and output shafts under centrifugal force imparted thereto by the rotation of the aforesaid shafts. A pair of self-adjusting, floating disks are mounted to either side of said adhesion rollers and are engageable with said rollers at varying radial distances of the rollers from the axis of the input and output shafts whereby to vary the rate of rotation of said disks. The transmission further includes a planetary gear arrangement for coupling the input shaft to the output shaft and which is responsive to variations in the rate of rotation of the disks to cause the speed ratio between the input and output shafts to correspondingly vary.
REFERENCES:
patent: 888761 (1908-05-01), Snyder et al.
patent: 2029042 (1936-01-01), Turner
patent: 2734397 (1956-02-01), Bade
patent: 2747434 (1956-05-01), Bade
patent: 3802295 (1974-04-01), Lemmens
patent: 4026166 (1977-05-01), Jackson
patent: 4524642 (1985-06-01), Fritsch
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