Infinitely variable hydrostatic transmission drive
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United States of America Patent
Stats
-
Nov 3, 1992
Issued Date -
N/A
app pub date -
Sep 6, 1991
filing date -
Mar 9, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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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