Continuously variable toroidal drive

Details Continuously variable toroidal drive Continuously variable toroidal drive

1998-12-02

2000-09-12

Bucci, David A.

Friction gear transmission systems or components

Friction gear includes idler engaging facing concave surfaces

Toroidal

476 42, F16H 1538

Patent

active

061170429

ABSTRACT:
The continuously variable toroidal drive has one input shaft and two input disks situated co-axially thereto with toroidal inner surfaces wherein the input disks and the output disks form pairs of disks disposed with mirror symmetry relative to each other and side by side. The input shaft is surrounded by a coaxial hollow shaft upon which are rotatably supported the two output disks and a first input disk; the second input disk being non-rotatably connected with the hollow shaft. The hollow shaft has a cam flange which together with the first disk is pressed apart by a roller-shaped pressure device, the pressure device being held by a substantially U-shaped supporting structure which is connected with the input shaft, wherein drive pressure is applied without relative rotation between the input disks.

REFERENCES:
patent: 2127588 (1938-08-01), Erban
patent: 2152796 (1939-04-01), Erban
patent: 2239087 (1941-04-01), Erban
patent: 3739658 (1973-06-01), Scheiter
patent: 5067360 (1991-11-01), Nakano
Japanese Patent Abstract, 4-321854 (M-1387), vol. 17, No. 151dated Mar. 24, 1993 to Nissan Motor.
Japanese Patent Abstract, 7-019308A, dated Jan. 20, 1995 to Mazda Motor Corp.

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