192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1994-12-30
1997-01-28
Herrmann, Allan D.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
280236, 301 65, 476 1, 476 50, B60K 4126, F16H 1518
Patent
active
055970567
ABSTRACT:
Contained within a wheel hub housing is a variable ratio friction drive transmission. A chain drive input sprocket drives direction reversing spools arrayed around a central axis on shafts set at an angle to the central axis. A spool driven element rotates in the opposite direction. The spool driven element drives double cone elements on the shafts. A cone driven element then drives the wheel in the same direction as the input. The double cones are axially movable relative to the cone driving and driven elements. In a first axial position, for low torque, the driving element contacts a small diameter cone portion, and the driven element contacts a large diameter cone portion. As torque increases, the cones are moved by a cam mechanism so that the output ratio reverses and rapid input rotation produces high torque, slow output. A clutch and brake may be included.
REFERENCES:
patent: 1130527 (1915-03-01), Martins
patent: 2424873 (1947-07-01), Abbrecht
patent: 2886986 (1959-05-01), Kopp
patent: 3274859 (1966-09-01), Alsch
patent: 3420114 (1969-01-01), Prestl
patent: 3420122 (1969-01-01), Okabe
patent: 4738164 (1988-04-01), Kaneyuki
patent: 4892012 (1990-01-01), Kashihara
Blum Alvin S.
Herrmann Allan D.
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