DEVICE FOR PROVIDING THE OIL SUPPLY OF A SECONDARY CIRCUIT OF A TRANSMISSION OF A HYBRID DRIVELINE OF A MOTOR VEHICLE, COMPRISING AN AUXILIARY ELECTRICALLY DRIVEN OIL PUMP

A device for ensuring the supply of oil to the secondary circuit of a transmission of a hybrid drive-train of a motor vehicle, having an electrically operated auxiliary oil pump, which comprises a bypass valve that is connected between the outlet of the auxiliary oil pump and the secondary circuit o...

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1. Verfasser: PFLEGER TOBIAS
Format: Patent
Sprache:eng
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Zusammenfassung:A device for ensuring the supply of oil to the secondary circuit of a transmission of a hybrid drive-train of a motor vehicle, having an electrically operated auxiliary oil pump, which comprises a bypass valve that is connected between the outlet of the auxiliary oil pump and the secondary circuit of the hybrid circuit of the transmission, such that the valve opens at a predetermined opening pressure, closes at a predetermined closing pressure which is lower than the minimum system pressure, and, at a predetermined pressure between the opening and closing pressures, the valve permits flow a predetermined volume flow into the secondary circuit.