Dual range infinitely variable speed drive

Details Dual range infinitely variable speed drive Dual range infinitely variable speed drive

1974-07-05

1976-09-21

Scott, Samuel

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

7423017E, 74221, 74722, 74231R, 74234, F16H 5556, F16H 900, F16H 916

Patent

active

039812057

ABSTRACT:
A self-centering variable diameter drive pulley, driven from an engine, receives a first drive belt which is also received on a self-centering variable diameter driven pulley. One or more engine accessories are driven through the variable diameter driven pulley at a relatively constant speed through a wide range of engine speeds by virtue of the variable diameter pulleys, one of which changes diameter in accordance with the speed at which it rotates. Another accessory, or accessories, are driven by pulleys which receive a second drive belt. The second drive belt is received over the first drive belt at the variable diameter drive pulley to transmit power from the drive pulley to said other accessories.

REFERENCES:
patent: 1921749 (1933-08-01), Haug
patent: 1955813 (1934-04-01), Klappnecker
patent: 3863513 (1974-02-01), Schnettler
patent: 3869932 (1975-03-01), Fletcher

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