Variable-speed driving device

Details Variable-speed driving device Variable-speed driving device

1988-01-11

1989-07-11

Bui, Thuy M.

Endless belt power transmission systems or components

Plural belts or plural output loads

Plural output loads

74752E, F16H 700

Patent

active

048467685

ABSTRACT:
A variable-speed driving device particularly adapted for an automotive internal combustion engine and associated AC generator. The device includes a driver shaft, such as the crankshaft, a constant-speed-ratio driven shaft, a variable-speed-ratio driven shaft, such as the AC generator shaft, two driver pulleys of different diameters mounted on the driver shaft, a single constant-speed-ratio driven pulley mounted on the constant-speed-ratio driven shaft, and two speed-changing pulleys mounted on the variable-speed-ratio driven shaft. One driving belt is trained over a drive pulley, single constant-speed-ratio driven pulley, and one pulley and an additional belt is trained around the second drive pulley, the second speed-changing pulley, and, if desired, over another constant-speed-ratio pulley on another shaft. There is a changeover mechanism for selectively coupling the speed-changing pulleys to the variable-speed-ratio driven shaft at the desired speed ratio depending on the speed of the driver shaft.

REFERENCES:
patent: 4296717 (1981-10-01), Schlagmuller
patent: 4412460 (1983-11-01), Barthelemy
patent: 4662861 (1987-05-01), Seung et al.

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