A device for recovering and regulating thermal energy of an electric vehicle with an electrochemical generator wherein a fluid circulates, includes an air-conditioning circuit, a first heating or thermal energy recovery circuit for heating and a second cooling or thermal energy recovery circuit for cooling the electrochemical generator, an electric motor, an electronic circuit, and a braking circuit. A plurality of valves are arranged to put the air- conditioning circuit in communication with the first heating circuit or second cooling circuit, and means for controlling said valves arranged to allow, according to a temperature of the electrochemical generator, of the electric motor, of the electronic circuit and of the braking circuit, the circulation of the fluid from the air-conditioning circuit in the first heating circuit for a heating operation as well as the circulation of the fluid from the air-conditioning circuit in the second cooling circuit for a cooling operation.

A heat exchange system for a vehicle includes: a heat exchange module disposed at a rear, in a length direction, of a vehicle body, formed of a plurality of plate-shaped plates including a plurality of through-holes; a radiator installed at a front, in the length direction, of the vehicle body; a heating, ventilation, and air conditioning (HVAC) module disposed at the rear, including an air conditioning cases that includes an evaporator, an indoor condenser, and an opening/closing door provided therein; an electric compressor; a rear driving motor disposed at the rear; an autonomous driving controller disposed at the rear; and a switching valve including a first valve installed on a first refrigerant line, a second valve installed on a second refrigerant line; and a third valve installed on a third refrigerant line.

An air-conditioning system for a motor vehicle is disclosed. The air-conditioning system includes a refrigerant circuit for being flowed through by a refrigerant. In the refrigerant circuit, a compressor for compressing the refrigerant, a condenser for condensing the refrigerant subject to passing condensation heat on to a fluid conducted through the condenser, an expansion device for expanding the refrigerant and an evaporator for evaporating the refrigerant are arranged. A coolant circuit is provided fluidically separated from the refrigerant circuit for being flowed through by a coolant. In the coolant circuit at least one heat source for heating the coolant is arranged. The coolant circuit is thermally connected to the refrigerant circuit via the evaporator of the refrigerant circuit, so that in the evaporator heat from the coolant is transferrable to the refrigerant.

A heater apparatus includes a base member, a cover member supported by the base member, a cloth member provided between the base member and the cover member to hold a heater wire, and a heater temperature sensor brought into contact with the cloth member, covered on a base member side facing the base member and a cover member side facing the cover member with the cloth member, and configured to detect a temperature of the heater wire. The cover member has a cover recessed portion recessed towards the base member in an overlapping region where the cloth member on the base member side and the cloth member on the cover member side of the heater temperature sensor overlap.

A thermal management control circuit for an electric vehicle having a power electronics component to supply the drive motor and a battery includes a heat pump loop comprising a condenser and an evaporator a cooling-heating circuit configured to carry a fluid and comprising a first circuit portion comprising the condenser and the power electronics component, and configured to maintain the power electronics component within a power electronics component target temperature range, a second circuit portion comprising the evaporator, a first auxiliary communication circuit portion configured to carry some fluid heated by the condenser from the first circuit portion to the second circuit portion, and cooperating with the second circuit portion to maintain the battery within a battery target temperature range which is different from the power electronics component target temperature range.

A heat pump system control method for a vehicle includes a process (A) of operating a compressor of an air conditioner to cool or heat an interior of the vehicle while the vehicle is driving, measuring by a controller initial states of the compressor and a refrigerant based on data detected from a data detector, and monitoring the compressor, a process (B) of determining by the controller whether a current coil temperature of a motor unit provided in the compressor is higher than a coil specification temperature through the process (A) and operating a protection mode; and a process (C) of, when the process (B) is completed, calculating by the controller a slope of a coil temperature of the motor unit over time, determining whether the temperature slope is greater than zero (0) three times consecutively to stop the operation of the compressor, and terminating control.

The present invention concerns a method of thermal management of a transmission of an axle (4) of an electrical vehicle and a circuit used for the method. The circuit comprises a coolant pump (1), one or more on-board units, a three way valve (5) and the axle (4), which axle (4) comprises a transmission. Coolant of a cooling system of the vehicle is made to pass the on-board units to pick up heat losses. The on-board units may be power electronics (2), an electrical machine (3), a battery and/or an on-board charger.

The present invention concerns a method of thermal management of a transmission of an axle (4) of an electrical vehicle and a circuit used for the method. The circuit comprises a coolant pump (1), one or more on-board units, a three way valve (5) and the axle (4), which axle (4) comprises a transmission. Coolant of a cooling system of the vehicle is made to pass the on-board units to pick up heat losses. The on-board units may be power electronics (2), an electrical machine (3), a battery and/or an on-board charger.

A thermal management system for a vehicle and method for controlling a water-heating type PTC heater thereof by controlling a PTC heater that uses water for heating, in which a heat source for heating is secured by operating the water-heating type PTC heater and thereby additionally heating a coolant, while charging a battery, in a thermal management system for a vehicle, during a heating mode, in which: refrigerant circulates through a second heat exchanger, a waste heat recovery chiller, a compressor and an indoor heat exchanger; and the coolant passes through a water-cooling type battery module, the water-heating type PTC heater, a battery chiller, electric parts and the waste heat recovery chiller.

A heating system and method for heating the interior of a vehicle, such as a motor vehicle, which has an air-air heat exchanger having a heat storage medium, and which is configured to transfer heat between exhaust air, drawn out of the interior, and intake air, supplied to the interior from the vehicle environment, between the exhaust air and the heat storage medium, and between the intake air and the heat storage medium.