An electric heating device for a motor vehicle may include a heating volume and at least two spaced heating modules. A flow path of a fluid may lead through the heating volume. At least two spaced heating modules may be arranged in the heating volume. The at least two spaced heating modules may extend in a longitudinal direction. The at least two spaced heating modules may be spaced apart from one another in a transverse direction extending transversely to the longitudinal direction.

The invention relates to a heating device (1) for an air-conditioning housing, said heating device (1) comprising a heating body (2) supplied with current for heating an air flow passing through said heating body (2), said heating body (2) comprising heating elements through which said current passes and which are arranged in electrically insulated tubes (4) of the heating elements, said heating elements being controlled via a distribution unit (3), said heating device (1) comprising means for earthing a plurality of metal elements distributed in the heating body (2) and the distribution unit (3). Said heating device (1) is characterised in that said earthing means consist of a single earthing circuit which passes through the heating body (2) and the distribution unit (3) and is formed by arranging said metal elements in series with direct contact between said metal elements.

The present disclosure provides a split heater apparatus and a method of manufacturing the same, the split heater apparatus being capable of dividing a heating region into zones, heating the zones individually, and having components capable of being simply assembled, such that the number of components and the number of assembly processes are reduced.

A heater device for a vehicle is described. The heater device include a plurality of heating elements, a printed circuit board, a first bus-bar, and a second bus-bar. The first bus-bar having a first set of connecting legs is formed in a first side of the first bus-bar. The first set of connecting legs is adapted to be connected with a first set of heating elements amongst the plurality of heating elements. The second bus-bar having a coupling element is formed in a first side of the second bus-bar to couple with a first side of the PCB. Further, a second set of connecting legs is formed adjacent to the coupling element and adapted to be coupled to the first side of the PCB. The second set of connecting legs is adapted to connect with a second set of heating elements amongst the plurality of heating elements.

A heating device (100) for a vehicle, includes a Printed Circuit Board (11), at least one heating element (20a,20b,20c), a bus bar (30,31) and a terminal pin (42). The Printed Circuit Board (11) is received inside a casing (12) along one bus bar (30,31). The bus bar (30,31) includes at least one bus bar terminal (30a,30b,30c,31a,31b,31c), wherein at least one bus bar terminal (30a 30b 30c 31a,31b,31c) connects a corresponding heating element (20a,20b,20c) to the Printed Circuit Board (11). The terminal pin (42) is integrally formed with at least one bus bar terminal (30a,30b,30c,31a,31b,31c) and is disposed outside the casing (12).

A PTC thermistor module for a temperature control device may include at least one PTC thermistor element, two electrically insulating insulator plates, and a plurality of electrical conductors. The PTC thermistor element may have a flat element cross section, two opposing large outer surfaces, and two opposing small outer surfaces connecting the two large outer surfaces. The two insulator plates may be respectively connected to one of the two large outer surfaces. The plurality of electrical conductors may be configured as a plurality of electrically conductive conductor coatings, which may each be disposed on an associated insulator plate of the two insulator plates. At least one first conductor coating may be electrically connected to a first large outer surface of the two large outer surfaces. At least two second conductor coatings may be electrically connected to a second large outer surface of the two large outer surfaces.

A heating device for a vehicle includes a heat exchanger and an electronic control unit controlling operating states of the heating device. The electronic control unit has at least one electrical connection contact on a printed circuit board. At least one connecting cable is electrically conductively connected to the at least one electrical connecting contact and runs at least in sections parallel to a surface of the printed circuit board within the heating device. A metal sheet is arranged between the at least one connecting cable and the printed circuit board.

A PTC thermistor module for a temperature control device may include at least one PTC thermistor element, two electrically insulating insulator plates, and a plurality of electrical conductors. The PTC thermistor element may have a flat element cross section, two opposing large outer surfaces, and two opposing small outer surfaces connecting the two large outer surfaces. The two insulator plates may be respectively connected to one of the two large outer surfaces. The plurality of electrical conductors may be configured as a plurality of electrically conductive conductor coatings, which may each be disposed on an associated insulator plate of the two insulator plates. At least one first conductor coating may be electrically connected to a first large outer surface of the two large outer surfaces. At least two second conductor coatings may be electrically connected to a second large outer surface of the two large outer surfaces.

An electric heating device includes a housing having a partition wall which separates a connection chamber from a heating chamber for dissipating heat and from which at least one receiving pocket protrudes into the heating chamber as a heating rib. A PTC heating device with at least one PTC element and conductor tracks for energizing the PTC element with different polarities, which are electrically conductively connected to the latter and which are electrically connected in the connection chamber, are received in the housing. The PTC element and at least one of the conductor tracks are received in a heater casing. The heater casing is pressed into the receiving pocket subject to plastic deformation of the heater casing and/or the receiving pocket.

An electric heating device comprises a housing with a partition wall which separates a connection chamber from a heating chamber for dissipating heat and from which at least one PTC heating element with a heater casing protrudes in the direction toward the heating chamber. The at least one PTC element and conductor tracks are supported in the heater casing in an insulated manner. The heater casing is sealed against the partition wall by way of a seal arranged in a receptacle of the partition wall circumferentially surrounding the heater casing. A press ring is arranged in the receptacle and surrounds the heater casing circumferentially, securing the seal in the receptacle. A method of forming such an electric heating device also is disclosed.