Closed loop control circuit for variable hydraulic pump
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United States of America Patent
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Jul 5, 1994
Grant Date -
N/A
app pub date -
Oct 23, 1992
filing date -
Oct 25, 1991
priority date (Note) -
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Abstract
Closed loop control circuit for a variable hydraulic pump the output flow of the pump being variable by control means and the pump including at least two closed loop controllers actuating the control means, wherein at least one hydraulic switching element is provided which automatically connects to the control means the closed loop controller providing the highest or the lowest pressure.
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