Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent
1990-09-21
1991-11-26
Braun, Leslie A.
Machine element or mechanism
Gearing
Toothed gear and recirculated unconnected elements
741905, 475185, F16H 1508
Patent
active
050673602
ABSTRACT:
A toroidal continuously variable transmission has first coaxial toric input and output elements arranged opposite each other such that a first toric cavity is formed therebetween, and second coaxial toric input and output elements opposite each other such that a second toric cavity is formed therebetween. The first and second output discs are arranged between the first and second input discs. First traction rollers are disposed in the first toric cavity for the transmission of motion therebetween. Second traction rollers are disposed in the second toric cavity for the transmission of motion therebetween. Tensions sheets extend between and interconnect roller support structures for the first and second traction rollers. The tension sheets include a first tension sheet extending between and interconnecting the roller support structures for the first traction rollers, and a second tension sheet extending between and interconnecting the roller support structures for the second traction rollers. The first and second tension sheets each having a central portion and a guide structure associated therewith in the central portion thereof. Each of the guide structures includes a guide block. The guide blocks are not mounted directly to the transmission housing. A guide block support member is integral with the guide blocks and is mounted to the transmission housing for balancing forces applied to the guide blocks.
REFERENCES:
patent: 4453427 (1984-06-01), Kraus et al.
patent: 4893517 (1990-01-01), Nakano
patent: 4928542 (1990-05-01), Nakano
patent: 4968289 (1990-11-01), Nakano
Braun Leslie A.
Laub David W.
Nissan Motor Co,. Ltd.
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