Hydraulic control system for vehicle
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United States of America Patent
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Jan 9, 2018
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N/A
app pub date -
Sep 11, 2015
filing date -
Sep 16, 2014
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Abstract
A first check valve of a hydraulic control system allows oil to flow in only a direction from a first oil pump toward an oil receiving portion. A second check valve allows oil to flow in only a direction from a second oil pump toward the oil receiving portion. A third oil passage is configured to provide communication between a merging point of a first oil passage and a second oil passage, and the second oil pump by bypassing the second check valve. The third oil passage includes a throttle mechanism. The third oil passage is configured to restrict a flow rate of oil that is discharged from the second oil pump.
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