Planetary gear transmission systems or components – Electric or magnetic drive or control – Differential drive or control
Patent
1998-04-27
1999-11-23
Ta, Khoi Q.
Planetary gear transmission systems or components
Electric or magnetic drive or control
Differential drive or control
475 18, 475221, F16H 142
Patent
active
059891424
ABSTRACT:
Continuously driven machine steering differentials have heretofore been complex for counter-rotating a pair of oppositely located planetary elements. The planetary steering differential includes a differential powered by a transmission input and a planetary gearing mechanism which receives an input from a steering motor for interacting with the outputs to achieve a steering correction.
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patent: 5387161 (1995-02-01), Shibata
patent: 5509491 (1996-04-01), Hall, III
patent: 5529136 (1996-06-01), Zulu
patent: 5722501 (1998-03-01), Finch et al.
Caterpillar Inc.
Glastetter Calvin E.
Ta Khoi Q.
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