Hybrid vehicle

摘要

A hybrid vehicle includes an engine, a motor configured to output power for traveling, a drive wheel coupled to the engine and the motor, a transmission provided i) between the engine and the motor and ii) between the engine and the drive wheel, the transmission being configured to shift gears in a plurality of stages or continuously, a refrigerant supply device including a pump and a refrigerant pressure regulation device, the refrigerant supply device being configured to supply a refrigerant to the motor, and the refrigerant supply device being configured to supply the refrigerant to the transmission as a hydraulic fluid, and at least one electronic control unit configured to control the refrigerant supply device based on a load situation of the motor by controlling a refrigerant supply pressure to the motor.

主权项

1. A hybrid vehicle comprising:
an engine; a motor configured to output power for traveling; a drive wheel coupled to the engine and the motor; a transmission provided i) between the engine and the motor and ii) between the engine and the drive wheel, the transmission being configured to shift gears in a plurality of stages or continuously; a refrigerant supply device including a pump and a refrigerant pressure regulation device, the refrigerant supply device being configured to supply a refrigerant to the motor, and the refrigerant supply device being configured to supply the refrigerant to the transmission as a hydraulic fluid; and at least one electronic control unit configured to control the refrigerant supply device based on a load situation of the motor by controlling a refrigerant supply pressure to the motor, wherein the electronic control unit is configured to calculate the load situation of the motor based on at least one of a vehicle speed, a motor temperature, a refrigerant temperature, and a motor output.