Infinite speed transmission

Details Infinite speed transmission Infinite speed transmission

1999-06-16

2000-10-31

Estremsky, Sherry

Friction gear transmission systems or components

Stepless ratio change

Intermediate idler between driving and driven gears

476 53, 476 55, F16H 1520

Patent

active

061394653

ABSTRACT:
Transmission with a ring or belt nipped between two rotating elements of which at least one is cone-shaped. The rotating elements have two parallel lines at their closest point. The ring encompasses one of the rotating elements and directly transfers the power from the drive to the driven element by means of friction. The ring remains in a plane orthogonal to the parallel lines on the rotating elements and that plane can shift to a new point along the parallel lines by a controlling mechanism which travels in back and forth on a line parallel to those parallel lines. Thus the ratio of the cross section of the two rotating elements changes and the device constitutes an infinite speed transmission. If one of the rotating elements is cylindrical instead of cone-shaped, there is the possibility of achieving better traction on the side of the ring which touches the cylinder through a wider contact surface or else through a geared tooth contact instead of a friction contact.

REFERENCES:
patent: 390216 (1888-10-01), Evans
patent: 627491 (1899-06-01), Evans
patent: 680916 (1901-08-01), Halsey
patent: 742977 (1903-11-01), Evans
patent: 1055677 (1913-03-01), Sparks
patent: 1191771 (1916-07-01), Delacour
patent: 2432442 (1947-12-01), Pourtier
patent: 2583790 (1952-01-01), Mikina
patent: 5924953 (1999-07-01), Rohs

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