A thermal management system for a motor vehicle includes a heating circuit with an interior compartment heat exchanger; a refrigeration circuit with a compressor; a condenser which is arranged in the heating circuit and in the refrigeration circuit, wherein the heating circuit and the refrigeration circuit are fluidically separated from one another in the condenser; and a chiller, which is arranged in the heating circuit and in the refrigeration circuit. The heating circuit and the refrigeration circuit are fluidically separated from one another in the chiller. In a heating mode, the interior compartment heat exchanger, the chiller and the condenser are connected in series in the heating circuit.

Methods and systems are provided for operating a climate control system. In one example, a method for operating a vehicle climate control system includes modeling a pressure in a heat pump downstream of an exterior heat exchanger an upstream of an expansion valve. The method also includes operating the expansion valve to cool a vehicle cabin using the modeled pressure in conjunction with a temperature from a sensor positioned upstream of the expansion valve and downstream of the exterior heat exchanger.

A highly efficient heating system for an electric motor vehicle embodies a heat exchanger for warming passenger compartment air and an electrically powered radiant heating source for heating fluid to be circulated through the heat exchanger. The radiant heating source can be infrared, microwave or other frequency selected to efficiently heat the fluid to be circulated through the heat exchanger.

This on-board air conditioner control device comprises: a PTC heater which is contained in a high-voltage circuit and generates heat by means of power supplied from a high-voltage battery; a micro-controller which is contained in a low-voltage circuit and controls the power supplied to the PTC heater from the high-voltage battery; a current detection sensor which is contained in the high-voltage circuit and outputs a voltage signal indicating a value for the current flowing through the PTC heater; a V/f conversion unit which is contained in the high-voltage circuit and converts the voltage signal outputted by the current detection sensor to a frequency signal; and a digital isolator which transmits the frequency signal to the micro-controller while preserving electrical insulation between the V/f conversion unit and the micro-controller.

A vehicle air conditioning device having a split housing structure includes: a front housing disposed in a compartment of a vehicle; a heat exchanger disposed in the front housing, a rear housing disposed in an engine room or a motor room of the vehicle; a firewall through which the front housing is connected with the rear housing; an inlet; a blower disposed in the rear housing; an evaporator configured to cool air or to chill air; upper and lower mixing doors disposed in an up-and-down direction downstream of the evaporator; a first plate member disposed between the upper and lower mixing doors; a second plate member disposed downstream of the heat exchanger; an upper outlet; and a lower outlet. The first plate member divides the airflow from the evaporator, and the upper and lower mixing doors each guides the airflow to selectively flow through the heat exchanger.

A vehicle comprising an interior; a heat source in thermal communication with the interior; a source of ultraviolet light disposed to emit the ultraviolet light into the interior; and a controller in communication with the heat source and the source of the ultraviolet light, the controller configured to cause (i) the heat source to increase a temperature of the interior, (ii) the source of the ultraviolet light to emit the ultraviolet light into the interior, or (iii) both (i) and (ii) upon receiving a command from a remote user interface. The vehicle can further include a combustion engine that combusts fuel to propel the vehicle. The vehicle can further include a battery in electrical communication with the source of the ultraviolet light and in communication with the controller, the battery having a voltage.

The present invention relates to a thermal management system including: a refrigerant circulation line including a refrigerant circulator, a first heat exchanger, a first expander and a third heat exchanger, wherein refrigerant circulates in the refrigerant circulation line; a heating line for heating the interior by circulating cooling water exchanging heat with the refrigerant through the first heat exchanger; and a cooling line for cooling heating sources by exchanging heat between the cooling water and air or exchanging heat between the cooling water and the refrigerant.

Provided with a heat storage device having a simple and small shape without occupying large space when mounted on an electric car and capable of storing and releasing heat efficiently without using water so that the heat storage device is used as a heater. A heat storage device 10 includes: a heat storage material 14 configured to be oxidized and deoxidized by a temperature control operation; a heat transfer material 15 for heating the heat storage material 14; at least a pair of electrodes 11, 12 configured to be connected to a power source for heating the heat transfer material 15; a container 16 containing the heat storage material 14, the heat transfer material 15 and the at least a pair of electrodes; an upstream valve 17 provided on an upstream inlet of the container 16 for shielding an inside of the container 16 from an outside; and a downstream valve provided on a downstream outlet of the container 16 for shielding the inside of the container 16 from the outside.

A PTC heating assembly includes a heating cell comprising a PTC element and conductor elements electrically abutting the PTC element. The heating cell is accommodated in a heater housing. The heater housing is manufactured with undersize relative to the heating cell so that the heating cell, after insertion into the heater housing, is held under pretension between mutually opposing walls of the heater housing. Accordingly, in the method according to the invention, the heater housing is elastically widened when the heating cell is inserted into the heater housing.

The invention provides a seat belt (10) for a motor vehicle comprising a webbing (12) that includes at least one chamber (24) in which at least one electric, especially band-shaped, heating element (26) is accommodated. The invention further provides a method for manufacturing such seat belt (10).