VEHICLE, HYDRAULIC SYSTEM FOR POWERTRAIN OF VEHICLE, AND CONTROL METHOD THEREOF
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United States of America Patent
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Issued Date -
Jan 11, 2024
app pub date -
Sep 25, 2023
filing date -
Apr 15, 2021
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Abstract
A hydraulic system for a powertrain of a vehicle, the powertrain includes a drive motor, a generator, a clutch, or a transmission system. The hydraulic system includes: an oil tank; a main cooling oil path, a first end of the main cooling oil path being communicated with the oil tank, where a first oil pump and a cooler are disposed on the main cooling oil path; and multiple cooling branches, the cooling branches connected to a second end of the main cooling oil path, the first oil pump configured to pump an oil in the oil tank to the cooling branches, a control element disposed on each of the cooling branches, the control element configured to control opening and closing of a corresponding cooling branch, and the cooling branches configured to cool one or more of the drive motor, the generator, the clutch, and the transmission system.
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