The invention relates to an electrical connection device (2) for electrically connecting a first pad (10) and a second pad (12) of an electrical power source (4) and electrical contacts (18, 19) of heating modules (6, 7), the first pad (10) having a first electrical potential that differs from that of the second pad (12), said connection device (2) comprising: at least one first electrically conductive tongue (32), intended to be electrically connected to the first pad (10) and to at least one electrical contact (19) of at least one heating module (6, 7); at least two second electrically conductive tongues (41), intended to be electrically connected to the second pad (12), and to other electrical contacts (18) of at least one heating module (6, 7), characterized in that the connection device (2) is electrically capable of electrically connecting the first pad (10) and the second pad (12) and the electrical contacts (18, 19) of a single heating module (6, 7) and that the connection device (2) is also capable of electrically connecting the first pad (10) and the second (12) and the electrical contacts (18, 19) of multiple heating modules (6, 7), the number of electrical contacts (18, 19) of this heating module (6, 7) and of each of these heating modules (6, 7) potentially being variable.

A wiper system for vehicles is provided. The system includes a heated wiper blade assembly, a heated cowl assembly and a controller. The controller receives input from one or more sensors or systems and causes a power source to provide, reduce or stop power to heating elements in the blade and/or cowl depending upon sensed conditions. At least some components in the assembly comprise thermally conductive polymers. The system provides surprisingly advantageous results in that it is effective for melting and clearing ice and snow with a lower than expected pull on a power source such as a battery.

The present disclosure describes to a heating arrangement for an electric vehicle and a method for controlling such a heating arrangement. The heating arrangement includes at least one PTC heater and a control device for controlling the at least one PTC heater. The control device includes an HF pulse width modulator that generates an HF modulation signal in multiple modulation steps. The respective modulation step of the HF pulse width modulator corresponds to an output step of the at least one PTC heater, so that the control device, via the HF pulse width modulator, adjusts the output of the at least one PTC heater between a minimum output and a maximum output, step-by-step, in the plural output steps.

A wiper system for vehicles is provided. The system includes a heated wiper blade assembly, a heated cowl assembly and a controller. The controller receives input from one or more sensors or systems and causes a power source to provide, reduce or stop power to heating elements in the blade and/or cowl depending upon sensed conditions. At least some components in the assembly comprise thermally conductive polymers. The system provides surprisingly advantageous results in that it is effective for melting and clearing ice and snow with a lower than expected pull on a power source such as a battery.

A positive temperature coefficient electric heater for a vehicle includes a support part, a control circuitry, and a first and a second radiating layers overlapping one another, each radiating layer having a plurality of heating rods extending from the support part and connected in parallel to the control circuitry. Each radiating layer has a first layer sector and a second layer sector controlled independently of one another. The radiating layers may be controlled independently of one another. In the first radiating layer, the second section of the heating rods is capable of generating greater thermal power than the first section of the heating rods and, in the second radiating layer, the first section of the heating rods is capable of generating greater thermal power than the second section of the heating rods.

Heating device (1), particularly for air conditioning housing of a motor vehicle, wherein the device (1) comprises a heating module (2) configured to heat a flow of air using an electrical current circulating in the module (2), said heating module (2) defining a plurality of zones (7, 8), each zone (7, 8) being capable of heating the flow of air in the direction of one portion of a passenger compartment of said motor vehicle, each of said zones (7, 8) comprising a plurality of heating elements (3) and wherein at least one of said zones (7, 8) comprises a number of heating elements (3) that is different from a number of heating elements (3) heating another of said zones (7, 8).

A thermal management system for an electric vehicle includes an interior air conditioning part including an air inflow part, an air discharge part, a cooling core, a heating core arranged between the cooling core and the air discharge part, and an adjustment door for selectively adjusting whether air having passed through the cooling core flows into the heating core; and a heat transfer line having first and second sides respectively connected to an electric part core and the heating core to be heat-transferrable, so that heat of the electric part is transferred to the heating core, thereby allowing the electric part to heat-dissipate through the heating core.

A PTC thermistor element for a tempering device may include a main body, which may have a positive temperature coefficient. The main body may have PTC thermistor components, a core, and ceramics components at least in the core. The PTC thermistor components may have a positive temperature coefficient, and the ceramics components may have a thermal conductivity of at least 2.5 W/mK. The ceramics components may be disposed in a distributed manner.

A heating device 1 for an air-conditioning unit, said heating device 1 comprising a heating body 2 supplied with current in order to heat an airflow passing through said heating body 2, the heating body 2 comprising heating elements that are flowed through by said current and located in tubes 4 that are electrically insulated from the heating elements, said heating elements being controlled via a distribution unit 3, the heating device 1 comprising means for grounding a plurality of metal elements that are distributed in the heating body 2 and the distribution unit 3.

This device is characterized in that said grounding means consist of a grounding circuit passing through the heating body 2 and the distribution unit 3, at least one part of said grounding circuit being integrated into a protective housing 8 of the distribution unit 3.

The invention relates to a heating radiator (1) comprising a power supply module (2) and a heating body (3), said power supply module (2) comprising a printed circuit board (20), a plurality of electronic switches (21) and one or more connectors (22) for connecting to an external circuit, said printed circuit board (20) comprising a first zone (200) providing an electrical connection with the heating body (3), a second zone (210) providing an electrical connection with the electronic switches (21) and a third zone (220) providing an electrical connection with the one or more connectors (22), said first, second and third zones being located side-by-side in this order in a direction that is transverse to a plane in which the heating body (2) extends.