A controller of a hybrid vehicle is configured to operate the internal combustion engine with ignition timing of the internal combustion engine during the execution of the first warm-up control for operating the internal combustion engine at a first operating point further on a retard side than ignition timing of the internal combustion engine during the execution of the second warm-up control for operating the internal combustion engine at a second operating point, regardless of the driving force required for traveling after the execution of the first warm up control. The controller is configured to set the output of the internal combustion engine and the operation characteristic of the intake valve in accordance with a predetermined characteristic relationship in which the output of the internal combustion engine and the operation characteristic of the intake valve correspond to each other during the execution of the second warm-up control.

To provide a battery device including a battery; a first cooling system having a first cooling fan and a first temperature sensor; a second cooling system having a second cooling fan and a second temperature sensor; and a controller, wherein the controller carries out abnormality determination with respect to a temperature sensor when a difference between the first cooling air temperature and the second cooling air temperature, detected by the first temperature sensor and the second temperature sensor, respectively, after elapse of a predetermined set period after a start switch of the vehicle is turned off while the first cooling fan and the second cooling fan remain stopped, is equal to or greater than a predetermined amount.

A hybrid vehicle has an internal combustion engine and a motor as a driving source, a transmission that changes a speed of rotation of the internal combustion engine or motor and transmits the rotation to driving wheels of the vehicle, a high-voltage battery that supplies power to the motor through an inverter, a cooling mechanism equipped with a pump to circulate a coolant and thereby cool the inverter, a coolant temperature measurement device that detects or estimates a temperature of the coolant, a low-voltage battery that supplies power to the pump, and a converter through which power is supplied from the high-voltage battery to the pump.

A vehicle has a front grille, engine, engine compartment, power storage device, temperature sensor, shutter, heater and controller. The device can be electrically charged from an external power supply. The temperature sensor detects engine coolant temperature. The shutter is disposed in a transfer pathway of air drawn into the engine compartment via the front grille, and is switched between closed and open states. The heater is able to generate heat when receiving the electric power, raising the coolant temperature. The controller starts the engine when the coolant temperature is lower than a startup threshold value, drives the heater when the coolant temperature is lower than a first threshold value equal to or higher than the startup threshold value, until the coolant temperature becomes equal to or higher than the first threshold value, and drives the shutter to place the shutter in the closed state while the heater is driven.

A method and a system for controlling cooling of a vehicle, and a vehicle are provided in the present disclosure. In the present disclosure, a maximum value among cooling demand values of cooling objects is used to control a servo component in a cooling system to operate according to an execution opening determined by a preset corresponding relation, so that operating states of the servo components may be correlated and may be comprehensively controlled, so as to prevent the control system from oscillating and improve control stability, thus solving a problem that periodic oscillation of the operating states of the servo components is easily caused and service life of the servo components is affected in existing control modes of the cooling system of the vehicle.

A vehicle temperature control system includes: a first temperature control circuit; a second temperature control circuit; a heat exchanger in which heat exchange between a first temperature control medium and a second temperature control medium is performed; and a control device. The control device is capable of controlling a flow rate control valve based on a temperature of the first temperature control medium and a temperature of the second temperature control medium. In a case where the temperature of the first temperature control medium is lower than the temperature of the second temperature control medium, the control device controls the flow rate control valve such that a flow rate to a second branch flow path is larger than a flow rate in a case where the temperature of the first temperature control medium is higher than the temperature of the second temperature control medium.

A thermal management system may include a first cooling circuit cooling PE parts and including a first radiator, a first coolant line circulating a coolant between the first radiator and the PE parts, and a first electric water pump circulating the coolant along the first coolant line, a heat pump system including a compressor compressing a refrigerant, an internal condenser performing a heat exchange between the compressed refrigerant and air supplied inside a vehicle, a refrigerant line circulating the refrigerant between the compressor and the internal condenser, and a heat exchanger for the heat exchange between the coolant and the refrigerant, a flow increase bypass line between the first coolant lines on the entrance and exit sides of the PE parts, and a coolant control valve provided at location where the flow increase bypass line is branched in the first coolant line and controlling a flow direction of the coolant.

A vehicle drive device includes: an oil pump; an oil cooler; a bypass oil passage configured to bypass the oil cooler; a control valve; and a control unit. The control unit keeps the control valve in a first state while a temperature of oil circulated by the oil pump is lower than a predetermined value, and switches the control valve to a second state when the temperature of the oil circulated by the oil pump becomes not lower than the predetermined value while the control valve is in the first state. The control unit changes a voltage command value of an electric motor to a value smaller than a voltage command value corresponding to a required output of the electric motor after elapse of a predetermined period from a time the control valve is switched to the second state.

Wind shielding system and method for a radiator cooling package of a vehicle are disclosed. The wind shielding system has a wind shielding screen, a temperature sensor for detecting an air temperature of an ambient air surrounding the radiator cooling package and an actuator for moving the wind shielding screen to a closed configuration with respect to the radiator cooling package by an electronic control unit based on the detected air temperature. The wind shielding screen in the closed configuration impedes formation of ice on the radiator cooling package from an airflow at the detected air temperature by covering the radiator cooling package. A vehicle having the wind shielding system to perform the wind shielding method is also provided. A computer program product that when executed by the wind shielding system causes the wind shielding system to perform the wind shielding method is also provided.

An inverter assembly contains at least one semiconductor package with external electrical connections, and at least one external connecting pin for a signal or control terminal, a printed circuit board placed above and spaced apart from the semiconductor package, wherein the at least one connecting pin passes through a hole in the printed circuit board and is attached thereto, and a temperature sensor placed near the at least one connecting pin on the printed circuit board, such that it can measure the temperature of a power semiconductor in the semiconductor package transferred to the connecting pin.