Abstract: The invention relates to an operating unit (10) for an electrical apparatus, in particular a vehicle component such as, for example, a heating, ventilation and/or air conditioning installation, which is provided with a housing (12) having a front wall (14), with an operating strip (18) that projects beyond the front wall (14), which has an elongated operating surface (20) with a plurality of adjacently arranged operating fields (22, 24, 26, 28, 30), and with a support element (32) for the operating strip (18), which is arranged in the housing (12). The operating strip (18) is connected to the support element (32) by means of connecting webs (48) which protrude in the respective areas between the operating panels (22, 24, 26, 28, 30) of the operating strip (18).

Abstract: A device for electrically heating a fluid, in particular for use in an electrically operated motor vehicle, comprising an induction coil, which is integrated in an oscillating circuit and produces an alternating magnetic field, and at least one first inductor, which is positioned within the alternating magnetic field. The inductor can be arranged inside a module, through which a fluid to be heated can flow, and the induction coil is arranged outside the module.

Abstract: The operating device, in particular for a vehicle component, is provided with a rotary operating element (18), which can be rotated about a rotation axis (20) and is formed as a plastic injection-molded part, which is produced in a molding die (48) having a die separation plane (46), and with a bearing unit (12), on which the rotary operating element (18) is mounted such that it can rotate about the rotation axis (20). The bearing unit (12) has a first bearing element (14), which is formed as a plastic injection-molded part, which is produced in a molding die (28) having a die separation plane (34). The first bearing element (14) has a bearing surface (26), which extends in a radial plane to the rotation axis (20) and concentrically to same, and the rotary operating element (18) has a contact surface (36), which bears against the bearing surface (26) and likewise extends in a radial plane to the rotation axis (20) and concentrically to same.

Abstract: The application relates to an induction heating device having a housing and a fluid duct. The fluid duct is arranged in the housing and has a fluid inlet and a fluid outlet. Inside the housing is an induction element which generates an alternating magnetic field and which is separated from the fluid duct in a sealed manner by at least one wall. The device also includes at least one metallic areal heating element arranged in the fluid duct which can be heated by the alternating magnetic field.

Abstract: The operating device for an electrical apparatus or a system, in particular for a vehicle component, is provided with at least one elastically mounted operating element (12), a counter-element (14), relative to which the at least one operating element (12) is movable when actuated, thereby varying the distance, namely as seen in the movement direction, and at least one capacitor (38) which comprises a first carrier body (20) with a first capacitor electrode (34) and an elastically bendable second carrier body (22), designed as a bending bar, having a first end (26) and a second end (32) opposite said first end and having a second capacitor electrode (36) opposite the first capacitor electrode (34). Connected to the first and second capacitor electrode (34, 36) is an evaluation unit (42) for determining the capacitance and/or a change in the capacitance of the at least one capacitor (38) upon actuation of the at least one operating element (12).

Abstract: The latching device for a rotationally or translationally movable operating element is provided with a resiliently mounted latching projection and with a latching guideway which is in sliding contact with the latching projection and which has a plurality of latching depressions with latching elevations arranged between them. The latching depressions and the latching elevations form a substantially corrugated latching path along which the latching projection slides during a relative movement between latching guideway and latching projection. The latching projection has a surface which contacts the latching path along at least one contact line running substantially transversely to the longitudinal extent of the latching path. When sliding along the latching path, the latching projection experiences an upward and downward movement with periodic change of the orientation of its contact line with respect to the latching guideway.

Abstract: A heater with a housing with a fluid channel, disposed therein, with a fluid inlet and a fluid outlet, whereby a coil, which generates an alternating magnetic field and is separated sealed from the fluid channel by a coil housing, is provided in the housing, whereby furthermore at least one metallic flat heating element is provided, which can be heated by the alternating magnetic field. The at least one flat heating element is disposed in the fluid channel, whereby the fluid channel is divided at least into a first channel and a second channel. Walls bounding the channels are formed by the coil housing and/or by a flat heating element.

Abstract: A capacitive sensor for detecting the movement of an object, such as actuation of a key of an operating unit, includes first and second electrodes that are provided for connection or mechanical coupling to or arrangement on the object, the distance of which second electrode from the first electrode changes when the object moves. The electrodes form a first capacitor with a volume between the electrodes, the size of which changes when the object moves. An evaluation unit determines a change of capacitance between the two electrodes resulting from a change of their spacing and volume. A deformable, non-gaseous first dielectric is arranged between the electrodes and defines at least one gas volume that is filled by a gaseous second dielectric that can escape from the gas volume when the two electrodes approach one another.

Abstract: The operating device, such as a human-machine interface, in particular for a vehicle component, is provided with a front wall having a front side that has several fixed symbol fields and having a rear side, a capacitive sensor system that has individual electrodes associated with the symbol fields, which electrodes are arranged on the rear side of the front wall, and a carrier plate that faces the rear side of the front wall and is arranged at a distance from the front wall.

Abstract: A device and method is provided for inductively heating a heating element, particularly via a magnetic field generated by an induction coil, having an induction coil connected to a resonant circuit, whereby the resonant circuit has at least one first capacitor and at least one first current source, and the coil has a specific inductance and a resistance, and the material of the heating element has a constant permeability at least in temperature subranges, and a method for determining a temperature of a heating element.

Abstract: The operating device (12) for a vehicle component, especially a radio, a CD and/or DVD player, a navigation device, an infotainment device, a controller for a heating or air-conditioning device, or a man-machine interface, comprises a housing (10) having a front face (14) and a longitudinally extending key body (26) that has an actuation end (24) projecting over the front face (14) of the housing (10) and a bearing end arranged inside the housing (10). The actuation end (24) has an upper side (42) and a lower side (46) that extend across the front face (14) at a non-zero angle and project therefrom, and can be actuated to input an operating command by manually exerting force onto the upper or lower side (42, 46). The operating device further comprises a support (28) which has a bearing end (30) by which the key body (26) can be moved in two spatial axes that are orthogonal to each other.

Abstract: A rotary/push operating device (10) for a man-machine interface, in particular for an operating unit of a vehicle, comprises a manually operable rotary/push element (12) which can be rotated about a rotational axis (15) and which can be pushed down in the direction of the rotational axis (15), and a rolling-body bearing (14) which defines the rotational axis (15) and which comprises a immobile bearing ring (18), a movable bearing ring (20), and a rolling-body cage (22) arranged between said bearing rings. The rotary/push element (12) is coupled to the movable bearing ring (20) in such a manner that the rotary/push element (12) will move together with the movable bearing ring (20) when, during rotation of the rotary/push element (12), the movable bearing ring (20) rotates or is axially moved in the direction of the rotational axis (15). The rolling-body cage (22) comprises a plurality of rolling bodies (24) arranged in at least one radial plane of the rolling-body cage (22).

Abstract: A capacitive sensor for detecting relative movement of adjacent bodies includes a first electrode on a first electrode supporting body, and a second electrode opposite the first electrode on a second electrode supporting body. The second electrode supporting body is a resilient film element supported on the first electrode supporting body by spaced-apart support sections. A pressure body includes two pressure projections that rest, in the region between the support sections, against the side of the second electrode supporting body facing away from the second electrode and that press against the second electrode supporting body while bending it when there is a relative movement between the first electrode supporting body and the second pressure body. The second electrode is secured to the second electrode supporting body only in a securing section substantially in the center between pressure regions at which the pressure projections rest against the second electrode supporting body.

Abstract: The rotary/push operating device (10) for a human-machine interface, in particular for a vehicle component, such as an air conditioning system, is provided with a rotary/push operating element (12) that can be rotated about a guide shaft (14) in a rotary movement and moved axially along the guide shaft (14). Furthermore, the rotary/push operating device (10) has a rolling bearing unit (30) having an outer bearing ring (32), an inner bearing ring (34) and rolling elements (36,38) arranged therebetween, wherein one of the bearing rings (32, 34) is connected with the rotary/push operating element (12) in a rotationally fixed manner and can be rotated therewith.

Abstract: The invention relates to a heating device comprising a housing having a fluid channel arranged therein with a fluid inlet and a fluid outlet, wherein an element generating an alternating magnetic field is provided in the housing, wherein, furthermore, at least one metallic panel heating element is provided, which is heatable by the alternating magnetic field, wherein the at least one panel heating element is arranged in the fluid channel, wherein the element generating the alternating magnetic field is formed by a coil shaped in hollow-cylindrical fashion, which coil is operable by an AC voltage, wherein the coil is separated in fluidtight fashion from the fluid channel.

Abstract: The invention relates to a heating device, comprising a housing, which has a fluid channel arranged therein, which has a fluid inlet and a fluid outlet, wherein an element that generates an alternating magnetic field is provided in the housing, which element is separated from the fluid channel in a sealed manner by at least one wall, wherein furthermore at least one metal planar heating element is provided, which can be heated by the alternating magnetic field, wherein the at least one planar heating element is arranged in the fluid channel, wherein at least one of the planar heating elements is made of a magnetic material.

Abstract: The control unit, in particular for a vehicle component, is provided with a manually actuable control element (12) for selecting and optionally for activating a control function, wherein the control element (12) can be moved manually into a selection and/or trigger position for selecting and optionally for activating a control function. In addition, the control unit has a capacitive tactile sensor (41) for identifying manual touching contact with the control element (12) and optionally identifying the event of a hand approaching the control element (12), wherein the tactile sensor (41) has a first and a second electrode (38, 40), which have electrode sides which substantially face one another and are spaced apart from one another. The first electrode (38) is arranged on the control element (12). The second electrode (40) is arranged immovably.

Abstract: The operating device (10), in particular for a vehicle component or generally for a human/machine interface, is provided with at least one pushbutton (28), which has a depressible pushbutton element (26). In addition, the operating device (10) has a guide element (18), which defines an accommodating area (24) in which the pushbutton element (26) is at least partially accommodated and in which the pushbutton element (26) is guided, and a capacitive proximity sensor (36) with an electrode (34) for detecting an object approaching the pushbutton element (26), in particular a hand or a finger of a hand. The electrode (34) is arranged outside the accommodating area (24) of the guide element (18).

Abstract: The electric heating system, in particular for a hybrid vehicle or electric vehicle, is provided with a heating module. The heating module is provided with an electrically insulating, heat conducting ceramic substrate which has a heating zone and a control zone which are spaced apart from one another. The heating module comprises an electrical resistance heating element which is arranged on the ceramic substrate, in the heating zone thereof, and which is embodied as a resistance heating conductor which is mounted on the ceramic substrate. Further, the heating module comprises a transistor for controlling the current through the resistance heating conductor, wherein the transistor and other optionally present electrical components and conductor tracks are arranged in the control zone on the ceramic substrate. The heating module is provided with a first cooling element which is thermally coupled to the heating zone of the ceramic substrate.

Abstract: The electrical vehicle heater, in particular for vehicles having a hybrid drive or having an electric drive, has a heating module (10), which is provided with a carrier body (14), which has two opposite main outside surfaces (20, 21), wherein the carrier body (14)—when observed in the direction of one of the two main outside surfaces (20, 21)—is divided into two adjacent heating zones (16, 18) and wherein the carrier body (14) is provided with at least one heating element (22) in each heating zone (16, 18). Furthermore, the heating module (10) has a control unit (31) for controlling the heating elements (22) independently of each other and at least one heat sink (42, 48), which is thermally coupled to the carrier body (14).