Abstract: A printed circuit board includes a conducting path shaped via a subtractive method and a heating line. The heating line is formed by the conducting path and designed to have a predetermined heating power for a heating fluid. The printed circuit board further includes a heat dispersion layer designed for transferring heat to the fluid. A heater includes such a printed circuit board.

Abstract: The invention relates to a method for producing a corrugated fin element for a heating register or for another heating device, through which corrugated fin element a flow can pass, to a corrugated fin element produced according to such a method, and to a heating register designed with such corrugated fin elements, wherein the corrugated fin elements are produced by unfolding.

Abstract: A hand-portable drying apparatus and method for use in a damp or waterlogged room, the apparatus including a housing having a carrying handle, the housing containing first and second airflow ducts arranged generally parallel to each other and having respective air inlet and air outlet ends, the apparatus further including means to force air through the ducts and to selectively heat it in at least one of the ducts, and valve means within the housing to selectively direct air from the first duct to the second duct whereby to move air from within the room received by the first duct back to the room via the second duct or to expel air from the room via the first duct to outside the room and draw in fresh air from outside the room via the second duct.

Abstract: Disclosed is a switch device that includes or is formed by a switchgear. Two sensors of the switchgear monitor two measured values and a switch of the switchgear is switched depending on these measured values. The adjustable thresholds for the measured values are displayed on a digital display integrated in the switchgear or arranged on an external input device. Both thresholds are adjusted digitally via the input device. The input device can be a commercially available smartphone with an app or a laptop.

Abstract: A heating device for a rear wall of a tumble dryer is disclosed, wherein the heating device includes an electric heating arrangement which may be formed of heating coils. A bypass airflow which is not directly heated by the heating arrangement flows in addition in the housing so that the heat loss through the housing is reduced.

Abstract: Disclosed is a blow-by device comprising a connection piece and a coupling piece that can be connected to each other. A ring is provided on which a connector collar for a connector is provided in order to establish an electrical connection in connection pieces that are connected to the coupling piece. The ring may be positioned on the connection piece.

Abstract: The invention relates to an electric heater comprising a fluid-conducting housing, in which at least one, preferably helical, heating unit, preferably a wire resistance heating element, is accommodated. The heating unit can have a tubular outer body, in which a heating element electrically contacted with a control circuit accommodated in an electronics housing is embedded. According to the invention, end sections of the heating unit extend in a sealed manner through the fluid-conducting housing to, and preferably into, an electronics housing. The invention further discloses a method for actuating an electric heater and to a heater that can be operated according to such a method, wherein said heater is designed with at least one resistance heating element, which acts as a temperature sensor, so that the temperature thereof can be used for actuating the heater.

Abstract: A drying apparatus for temporary location within a damp or waterlogged room is disclosed. The apparatus includes sensors to sense the level of temperature and humidity within the room, a heater to provide heat for the room, an air circulation fan for selectively circulating heated air within the room or selectively exhausting warm and humid air from the room and for allowing outside ambient air into the room. The apparatus being adapted to cyclically continue until the sensed humidity reaches a required level, the apparatus thereafter indicating, directly or indirectly, the completion of the drying process. A method of drying a room using such apparatus is also disclosed which employs a technique whereby the rate of change of the temperature increase is used to determine when humid air should be exhausted from the room. A time limit can also be use to determine when said exhausting takes place.

Abstract: Embodiments of the invention relate to a cover for a dryer. The dryer is adapted, when in operation, to heat a gas stream. The dryer includes a cover mounted to at least one section of an outer wall of the dryer, in particular a rear wall of the dryer. A passage through which the gas stream can flow is formed, at least sectionwise, by the cover. The cover can include a heating unit having at least one heating element such that the gas stream flows around the heating element when the dryer is in operation.

Abstract: The invention relates to an electric heater comprising a fluid-conducting housing, in which at least one, preferably helical, heating unit, preferably a wire resistance heating element, is accommodated. The heating unit can have a tubular outer body, in which a heating element electrically contacted with a control circuit accommodated in an electronics housing is embedded. According to the invention, end sections of the heating unit extend in a sealed manner through the fluid-conducting housing to, and preferably into, an electronics housing. The invention further discloses a method for actuating an electric heater and to a heater that can be operated according to such a method, wherein said heater is designed with at least one resistance heating element, which acts as a temperature sensor, so that the temperature thereof can be used for actuating the heater.

Abstract: The invention relates to a tank withdrawal system for a vehicle tank filled with a frozen liquid. The tank withdrawal system comprises a heating system comprising at least one electric heating element as primary heating device and a conduit system provided with at least one withdrawal conduit with a withdrawal opening arranged in the vehicle tank. The cold start volume of the frozen liquid extending around the withdrawal opening can be melted by the primary heating device. To quickly melt a cold start volume while melting off the remaining frozen liquid consuming as minimal amount of energy, the heating system comprises a secondary heating device supplied with a heating fluid and the conduit system comprises at least one heating conduit through which the heating fluid can flow and which is arranged in the liquid in the vehicle tank.

Abstract: A drying apparatus for temporary location within a damp or waterlogged room is disclosed. The apparatus includes sensors to sense the level of temperature and humidity within the room, a heater to provide heat for the room, an air circulation fan for selectively circulating heated air within the room or selectively exhausting warm and humid air from the room and for allowing outside ambient air into the room. The apparatus being adapted to cyclically continue until the sensed humidity reaches a required level, the apparatus thereafter indicating, directly or indirectly, the completion of the drying process. A method of drying a room using such apparatus is also disclosed which employs a technique whereby the rate of change of the temperature increase is used to determine when humid air should be exhausted from the room. A time limit can also be use to determine when said exhausting takes place.

Abstract: The present invention relates to an electric heating apparatus comprising a casing in which a receptacle containing a substance to be heated, preferably infant food, can be at least partly received. In the casing a radiation source for emitting electromagnetic radiation is arranged and the heating apparatus further comprises at least one reflector disposed in such way that it directs the emitted electromagnetic radiation onto the substance to be heated. In accordance with the invention, the reflector forms a hollow by which the receptacle can be at least partly received for heating, the radiation source being arranged with respect to the reflector such that a predominant portion of the electromagnetic radiation which is not directly incident on the receptacle is directed to the receptacle by the reflector.

Abstract: A power resistor module for electrical circuits has at least one resistor element and at least one housing element. The at least one resistor element is mounted at least section-wise between two electrically insulating, thermally conductive insulation elements in the housing element. The insulation elements at least section-wise abut against the at least one housing element. Methods for producing an electrical power resistor module for an electrical circuit include compressing, at least one resistor element with two electrically insulating, thermally conductive insulation elements. At least one of the two insulation elements is pressed at least section-wise against a housing element. If a wire is used as the resistor element, the use of possible fillers such as magnesium oxide may be waived by providing that the wire abuts at least section-wise against at least one of the two insulation elements during the compression.

Abstract: A tank system can provide a predetermined cold start volume (VKS) of an operating liquid required by a liquid consumer after a cold start. The tank system can provide a urea solution to an SCR catalytic converter. The tank system includes a main tank with a filling opening through which the interior of the main tank can be filled with operating liquid. To melt a predetermined volume of the frozen liquid in a fast, efficient and complete manner, a melting device is provided. The melting device includes a melt tank which encloses a melting space and which comprises an inlet opening through which the melting space can be filled with the operating liquid from the interior of the main tank. The melting device includes a cold start heater for melting frozen liquid in the melting space. The melting space is at least as large as the cold start volume (VKS) and is smaller than the interior of the main tank.

Abstract: A heating module is provided for integrating into an electrical appliance, for example in a household appliance such as a coffee machine, or in a laboratory apparatus. Said module includes at least one heating surface formed from a body, at least one heating element that comprises at least one PTC element and is fixed in the body, and a flow heater that is integrated into the heating module. The heating module is configured to be easy to mount and have a wide range of applications. In one embodiment, the body is embodied as an extruded shape having at least one tube receiving element and a tube through which a fluid flows arranged on or in the tube receiving element.

Abstract: Heating flange (1) for heating a flow of gas as it flows though a cross-section of flow (S), wherein the heating flange (1) is designed such that it can be inserted or interposed in an intake line (A) of an internal combustion engine and has at least one heat conductor (5) that extends through the cross-section of flow (S) from a mounting point (6a) to an immediately following further mounting point (6b) on the heating flange (1), as well as a retaining leg piece (2), which is provided with at least one of the mounting points (6a).

Abstract: The invention relates to a tank withdrawal system for a vehicle tank filled with a frozen liquid. The tank withdrawal system comprises a heating system comprising at least one electric heating element as primary heating device and a conduit system provided with at least one withdrawal conduit with a withdrawal opening arranged in the vehicle tank. The cold start volume of the frozen liquid extending around the withdrawal opening can be melted by the primary heating device. To quickly melt a cold start volume while melting off the remaining frozen liquid consuming as minimal amount of energy, the heating system comprises a secondary heating device supplied with a heating fluid and the conduit system comprises at least one heating conduit through which the heating fluid can flow and which is arranged in the liquid in the vehicle tank.

Abstract: Heating device for the heating and gasification of urea or an urea solution, particularly for internal combustion engines, wherein said heating device is designed for installation in a gas line extending in a direction of flow and wherein said heating device has at least two gas-permeable heating surfaces that are spaced apart from each other in the direction of flow and that define a heating chamber. In order to create an improved heating device for stable urea gasification in an exhaust gas line that guarantees a uniform temperature distribution in the heating room as well as a quick response time, according to the invention an inlet opening is provided that discharges into the heating chamber between the at least two heating surfaces and through which the urea or urea solutions can be fed into the heating chamber.

Abstract: A radiator element for an air heating device, and a corresponding heating device and manufacturing method are provided which reveal improved assembly properties. The radiator element comprises at least one lamella element and one radiator sheet, wherein the radiator sheet comprises on at least two edges projections for attaching the lamella element onto the radiator sheet. The projections may be folded for attaching the lamella element. For facilitating the bending process, a notch along the edge is provided.