Fluid automatic bicycle transmission

Details Fluid automatic bicycle transmission Fluid automatic bicycle transmission

2006-06-13

2006-06-13

Winner, Tony (Department: 3611)

Land vehicles

Wheeled

Occupant propelled type

C060S350000

Reexamination Certificate

active

07059618

ABSTRACT:
A bicycle hub having a fluid automatic transmission receiving power input from the rider which uses drag to transfer power from an outer shell being rotated by the drive train to a stator and using applied torque to automatically control mechanical advantage in a limited manner by changing drag, this with flow restriction to limit the amount of shear possible thus the device is a fluid couple with torque-converter qualities. The ability to respond to torque in a way that changes mechanical advantage in a manner that the rider considers normal bicycle operation over varied terrain is what makes the device a fluid automatic bicycle transmission. The apparatus is appropriate to small and fractional horsepower applications in general.

REFERENCES:
patent: 1540453 (1925-06-01), Arave
patent: 1636050 (1927-07-01), Hermann
patent: 1786433 (1930-12-01), Klimek
patent: 1831690 (1931-11-01), Taylor
patent: 1888881 (1932-11-01), Murphy
patent: 2010401 (1935-08-01), Kohler

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