A PTC heating module may include at least one cuboid PTC thermistor element with two opposing main surfaces, which may be connected to one another via two opposing lateral surfaces. The PTC heating module may also include two contact elements each lying against one of the lateral surfaces and via which the PTC thermistor element may be electrically contactable, a housing in which the at PTC thermistor element and the contact elements may be arranged, and two insulating boards each lying against one of the main surfaces and electrically insulating the PTC thermistor element from the housing and connecting the PTC thermistor element to the housing in a heat-transferring manner. Each contact element may be electroconductively fixed on one side on one of the lateral surfaces and on another side on one of two contacting tracks, each of which may be arranged on one of the insulating boards.

A PTC module for a temperature control device may include at least one PTC element, having a flat element cross section transverse to a longitudinal direction, and two large outer surfaces along the longitudinal direction facing away from each other, and two small outer surfaces facing away from each other and joining together the two large outer surfaces. The PTC module may also have an envelope body enclosing the PTC element at least in a circumferential direction, two electrical conductors extending in the longitudinal direction and spaced apart from each other in the flat element cross section and electrically conductively connected to the PTC element, and two electrically isolating insulator plates extending in the longitudinal direction and each of which may be connected in a heat transfer manner to one of the large outer surfaces. Each electrical conductor may be formed by an electrically conducting conductor coating on a respective one of the insulator plates, where one conductor coating may be arranged on one insulator plate only in a first edge region, which borders on one small outer surface, and the other conductor coating may be arranged on the other insulator plate only in a second edge region, which borders on the other small outer surface.

Disclosed is a heating device comprising a plate-shaped ceramic PTC resistor having a thickness, a front side, a back side and narrow sides, wherein the distance from the front side to the back side equals the thickness, and a first contact element and a second contact element, which are electrically contacting the PTC resistor. The PTC resistor is electrically contacted by the contact elements on opposite narrow sides.

The present invention relates to an electric auxiliary heating device (1) for heating a flow of air passing through in particular a conduit of a ventilation, heating and/or air conditioning installation of a motor vehicle, the auxiliary heating device comprising a casing that houses at least one heating module, said casing comprising: a heating compartment of which a first end (61) comprises an opening (600) and a connection interface (8) comprising: .square-solid.a first plate (86) that is essentially planar and extends essentially parallel to the opening so as to cover said opening, and .square-solid.a sheath (88) that extends in projection from the first plate (86) opposite the heating compartment, .square-solid.slots (80) passing through the first plate (86) and opening inside the sheath (88), the connection interface (8) comprising, on its internal face (89) that is oriented toward the heating compartment, at least one insertion stub (85) of which at least one of the edges facing the slots (80) is chamfered.

A temperature control device for heating an interior space of a vehicle and/or units of the vehicle, includes a number of electrically operated heating elements, electric leads, by means of which the heating element can be connected to the voltage supply of the vehicle, and at least one heat transfer section. A fluid flows through the at least one heat transfer section and transfers the heat generated by the heating elements to a fluid. The at least one heat transfer section includes a thermally conductive first material, and the heating elements and the electric leads are enclosed by an electrically non-conductive and thermally conductive second material. A related method is also disclosed for producing the present temperature control device.

An embodiment provides a vehicle heating device comprising a heating module which is arranged toward passengers on a flow channel of air, connected to an air conditioning unit, to emit heat, wherein the heating module comprises a heating unit and an overheat protection means for preventing the heating unit from overheating above a predetermined temperature, and the heating unit heats the interior space of a vehicle through at least one of heat convection generated by heating the air and heat radiation obtained by radiating heat directly toward the passengers.

Provided is a heater for a motor vehicle including: a heat source part: a heat source part rod including a rod sidewall and a rod cover in order to receive the heat source part; a first heat radiating plate including a first heat generation region in which one side of the heat source part is disposed and a first air movement region in which at least one or more first through-holes are formed; and a second heat radiating plate including a second heat generation region in which the other side of the heat source part is disposed and a second air movement region in which at least one or more second through-holes are formed. Particularly, the heat source part is disposed between the first and second heat radiating plates, and the rod sidewall is provided integrally with the first heat radiating plate.

Provided is a positive temperature coefficient (PTC) unit for a vehicle heater. The PTC unit according to an exemplary embodiment of the present invention includes: a heat generation part which includes PTC elements; and a heat radiation part which is provided on at least one surface of the heat generation part and includes a heat radiation base material and a heat radiation film provided on at least a portion of an outer surface of the heat radiation base material to improve heat radiation performance. According to the present invention, improved heat radiation performance may be exhibited, and concurrently, heat radiation performance due to excellent durability may be exhibited for a long period of time without a structural change for increasing a specific surface area of a heat radiation part while reducing an air ventilation property, so as to improve heat radiation performance. In addition, since an air ventilation property of the heat radiation part is increased, it is possible to prevent increases in noise and power consumption due to excessive use of peripheral devices such as a fan. Furthermore, since it is possible to prevent overheating of a PTC module and overload of a PTC module control circuit, which are caused by a reduction in the air ventilation property of the heat radiation part, a high-priced and high performance control circuit may not be required, thereby implementing a PTC heater for a vehicle with reduced production costs.

An independently-controlled PTC (Positive Temperature Coefficient) heater includes a PTC unit including first and second PTC elements for generating heat by an applied power, a guide frame having an opening to which the first and second PTC elements are mounted, first and second electrode plates configured to respectively make surface contact with one surfaces of the first and second PTC elements which are exposed through the opening, a common electrode plate configured to make surface contact with the other surfaces of both the first and second PTC elements which is exposed through the opening, and an insulation member configured to insulate the first electrode plate, the second electrode plate and the common electrode plate from an outside; and a heat diffusion fin provided at a side of the heating tube.

A PTC heating element for an electric heater having a PTC element, an electrode formed on a surface of the PTC element for electrically contacting the PTC element, at least one additional contact for electrically connecting the electrode of the PTC element, and a carrier layer. The carrier layer is electrically insulating, the thickness of the PTC element is ?500 ?m, and the installation height of the PTC heating element is between 500 ?m and 2500 ?m. Also disclosed is an electric heater and use of the PTC heating element in a motor vehicle.