Friction gear transmission systems or components – Fluid control – Of toroidal transmission
Patent
1998-06-04
2000-02-29
Herrmann, Allan D.
Friction gear transmission systems or components
Fluid control
Of toroidal transmission
476 42, 476 46, F16H 1538
Patent
active
060303093
ABSTRACT:
Input and output cone discs are coaxially arranged. Power rollers are each operatively interposed between the input and output cone discs. Trunnions are rotatable supporting the power rollers respectively. An upper link has opposed ends to which upper ends of the trunnions are connected, and a lower link has opposed ends to which lower ends of the trunnions are connected. Shafts extend downward from the lower ends of the trunnions. Each shaft is connected to the corresponding lower end through a connecting pin. Pistons are associated with the shafts respectively. Each piston has a hollow boss portion which receives therein the corresponding shaft. The hollow boss portion has an upper end which faces toward the lower end of the corresponding trunnion. Articulated structures are associated with the trunnions respectively. Each articulated structure is arranged between the upper end of the hollow boss portion and the lower end of the corresponding trunnion, so that when a thrust force is applied to the trunnion in a direction to resiliently flex or bend the same, the trunnion is permitted to pivot relative to the hollow boss position in a direction to absorb the flex of the trunnion.
REFERENCES:
patent: 4905529 (1990-03-01), Nakano
patent: 5423727 (1995-06-01), Fellows
Patent Abstracts of Japan, vol. 017, No. 123 (M-1380), Mar. 15, 1993 & JP 04 307152 A (Nissan Motor), Oct. 29, 1992.
Herrmann Allan D.
Nissan Motor Co,. Ltd.
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