Infinitely variable hydrostatic transmission drive

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United States of America Patent

PATENT NO 5159992
SERIAL NO

07759112

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Abstract

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An infinitely variable hydrostatic transmission drive for self-propelled machines having a plurality of transmission motors which are fed from a common displaceable transmission-drive pump, at least one variable displacement motor having a swashplate which can be swung back into a zero position and at least one fixed displacement motor are provided in hydraulic parallel circuit. The motors operate in at least one case via a common back gearing on a common output, a shift coupling being provided between the variable displacement motor and an output.

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Patent Owner(s)

Patent OwnerAddress
O&K ORENSTEIN & KOPPEL AKTIENGESELLSCHAFTDORTMUND

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leidinger, Gustav Friedberg, DE 9 85
Reinecke, Udo Dortmund, DE 2 18

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