Abstract: A device for charging a portable device is disclosed. The device includes a housing that supports an antenna structure. The housing includes a bottom wall and side walls that define an inner volume and the housing supports a support layer that is deformable and defines a top side of the inner volume. The device includes an antenna structure and can include a filler material that compressibly support the support layer. The antenna structure can be positioned in or on the support layer and can also be positioned in the inner volume.

Abstract: A method and a device for combined signal transmission or for combined signal transmission and energy transfer, in particular a portable electronic terminal. The device has at least one coil structure for producing a first electromagnetic field for energy transfer or for signal transmission, wherein the device also has at least one antenna structure for additional signal transmission. The antenna structure has a first partial structure and a second partial structure. The first partial structure is designed and/or is arranged in relation to the second partial structure in such a way that signals in a first frequency range can be received and transmitted by the antenna structure. At least the first partial structure is arranged adjacent to the at least one coil structure in a projection plane oriented perpendicular to a central axis of the coil structure.

Abstract: A method and a device for combined signal transmission or for combined signal transmission and energy transfer, in particular a portable electronic terminal. The device has at least one coil structure for producing a first electromagnetic field for energy transfer or for signal transmission, wherein the device also has at least one antenna structure for additional signal transmission. The antenna structure has a first partial structure and a second partial structure. The first partial structure is designed and/or is arranged in relation to the second partial structure in such a way that signals in a first frequency range can be received and transmitted by the antenna structure. At least the first partial structure is arranged adjacent to the at least one coil structure in a projection plane oriented perpendicular to a central axis of the coil structure.

Abstract: The present disclosure relates to a charging apparatus for wirelessly charging a rechargeable electric energy store of a mobile terminal, having a housing, a primary coil device and a first control device operatively connected thereto, wherein the first control device is arranged in the housing, which has at least one air entry opening and at least one air exit opening. The housing further has a heat sink arranged in it that has an associated active air supply device, wherein the air supply device is set up to actively supply the heat sink with ambient air that can flow in, at least also through the at least one air entry opening. The heat sink has an associated temperature sensor device for sensing the temperature of the heat sink.

Abstract: The invention relates to a bypass valve (1), in particular for an expansion machine (104) of a waste heat recovery system (100). The bypass valve (1) has a housing (2) with a valve chamber (9) formed therein. An inlet (3), an expander outlet (4) and a bypass outlet (5) are formed in the housing (2), which feed into the valve chamber (9). A closing element (6) is moveably arranged in the valve chamber (9). A valve seat (11) is formed on the housing (2). The closing element (6) cooperates with the valve seat (11) in order to open and close a first hydraulic connection from the inlet (3) to the expander outlet (4). A control valve (8) opens and closes a second hydraulic connection from the inlet (3) to the bypass outlet (5). The control valve (8) forms a first throttle point (21) in an open position. A second throttle point (22) is arranged between the valve chamber (9) and the bypass outlet (5). The control valve (8), the second throttle point (22) and the closing element (6) border a control chamber (9a).

Abstract: The present disclosure relates to a charging apparatus for wirelessly charging a rechargeable electric energy store of a mobile terminal, having a housing, a primary coil device and a first control device operatively connected thereto, wherein the first control device is arranged in the housing, which has at least one air entry opening and at least one air exit opening. The housing further has a heat sink arranged in it that has an associated active air supply device, wherein the air supply device is set up to actively supply the heat sink with ambient air that can flow in, at least also through the at least one air entry opening. The heat sink has an associated temperature sensor device for sensing the temperature of the heat sink.

Abstract: The invention relates to a bypass valve (1), in particular for an expansion machine (104) of a waste heat recovery system (100). The bypass valve (1) has a housing (2) with a valve chamber (9) formed therein. An inlet (3), an expander outlet (4) and a bypass outlet (5) are formed in the housing (2), which feed into the valve chamber (9). A closing element (6) is moveably arranged in the valve chamber (9). A valve seat (11) is formed on the housing (2). The closing element (6) cooperates with the valve seat (11) in order to open and close a first hydraulic connection from the inlet (3) to the expander outlet (4). A control valve (8) opens and closes a second hydraulic connection from the inlet (3) to the bypass outlet (5). The control valve (8) forms a first throttle point (21) in an open position. A second throttle point (22) is arranged between the valve chamber (9) and the bypass outlet (5). The control valve (8), the second throttle point (22) and the closing element (6) border a control chamber (9a).

Abstract: A method and a device for combined signal transmission or for combined signal transmission and energy transfer, in particular a portable electronic terminal. The device has at least one coil structure for producing a first electromagnetic field for energy transfer or for signal transmission, wherein the device also has at least one antenna structure for additional signal transmission. The antenna structure has a first partial structure and a second partial structure. The first partial structure is designed and/or is arranged in relation to the second partial structure in such a way that signals in a first frequency range can be received and transmitted by the antenna structure. At least the first partial structure is arranged adjacent to the at least one coil structure in a projection plane oriented perpendicular to a central axis of the coil structure.

Abstract: A method and a device for combined signal transmission or for combined signal transmission and energy transfer, in particular a portable electronic terminal. The device has at least one coil structure for producing a first electromagnetic field for energy transfer or for signal transmission, wherein the device also has at least one antenna structure for additional signal transmission. The antenna structure has a first partial structure and a second partial structure. The first partial structure is designed and/or is arranged in relation to the second partial structure in such a way that signals in a first frequency range can be received and transmitted by the antenna structure. At least the first partial structure is arranged adjacent to the at least one coil structure in a projection plane oriented perpendicular to a central axis of the coil structure.

Abstract: The invention relates to a waste heat recovery system (1) comprising a working fluid circuit (18), having a heat exchanger which is connected in an exhaust gas line (4) of an internal combustion engine (2). The heat exchanger is part of the working fluid circuit (18) together with an expansion machine (20) which has at least one working fluid bypass (21) that is controlled by a valve. According to the invention, a waste heat recovery system (1) is provided with improved functionality. This is achieved in that the valve is a directional valve which connects a fluid inlet (36) to an expansion machine fluid outlet (37) and/or a bypass fluid outlet (38), in particular a 3/2-way valve (22), and the connection of the fluid inlet (36) to the expansion machine fluid outlet (37) is leakage-free relative to the bypass fluid outlet (38), whereas the connection of the fluid inlet (36) to the bypass fluid outlet (38) exhibits leakages with respect to the expansion machine fluid outlet (37).

Abstract: A method and a device for combined signal transmission or for combined signal transmission and energy transfer, in particular a portable electronic terminal. The device has at least one coil structure for producing a first electromagnetic field for energy transfer or for signal transmission, wherein the device also has at least one antenna structure for additional signal transmission. The antenna structure has a first partial structure and a second partial structure. The first partial structure is designed and/or is arranged in relation to the second partial structure in such a way that signals in a first frequency range can be received and transmitted by the antenna structure. At least the first partial structure is arranged adjacent to the at least one coil structure in a projection plane oriented perpendicular to a central axis of the coil structure.

Abstract: A planetary friction gear mechanism (10) for a fluid energy machine (1), wherein a gap (24) for supplying lubricant (M) to a thrust collar (20) is formed, at least in sections, between an inner side (21a, 22a) of respective annular elements (21, 22) of the thrust collar (20) and adjacently arranged end sides (16a, 16b) of a plurality of planetary gears (16, 17, 18). Also a method for operating a planetary friction gear mechanism (10), and to a fluid energy machine (1).

Abstract: A retaining device for a terminal which can be coupled in a wireless manner. The retaining device has at least one stand part and at least one movable part. The stand part has at least one bearing surface for the terminal, and the retaining device is formed with at least one conductor structure arranged on the stand side. The movable part has at least one pushing element, the movable part being fixed to the stand part in a movable manner such that a variable distance can be set between the bearing surface and the pushing element. A method for producing a retaining device is described as well.

Abstract: A method and a device for combined signal transmission or for combined signal transmission and energy transfer, in particular a portable electronic terminal. The device has at least one coil structure for producing a first electromagnetic field for energy transfer or for signal transmission, wherein the device also has at least one antenna structure for additional signal transmission. The antenna structure has a first partial structure and a second partial structure. The first partial structure is designed and/or is arranged in relation to the second partial structure in such a way that signals in a first frequency range can be received and transmitted by the antenna structure. At least the first partial structure is arranged adjacent to the at least one coil structure in a projection plane oriented perpendicular to a central axis of the coil structure.

Abstract: A retaining device for a terminal which can be coupled in a wireless manner. The retaining device has at least one stand part and at least one movable part. The stand part has at least one bearing surface for the terminal, and the retaining device is formed with at least one conductor structure arranged on the stand side. The movable part has at least one pushing element, the movable part being fixed to the stand part in a movable manner such that a variable distance can be set between the bearing surface and the pushing element. A method for producing a retaining device is described as well.

Abstract: A comb-structured shielding layer and a wireless charging transmitter thereof are provided. The wireless charging module is connected to a power source, has at least one wireless charging coil and at least one comb-structured shielding layer, and is configured to convert alternative current power from the power source to H-field electromagnetic radiations, and wirelessly charges an electronic device. The comb-structured shielding layer is disposed between the wireless charging module and the target electronic device and configured to allow the H-field electromagnetic radiations pass through. The comb-structured shielding layer includes a first area and a second area. The first area is electrically connected to a reference electric potential. The second area is electrically connected to the reference electric potential through the first area, and is configured to shield the E-field electromagnetic radiations but allow the H-field electromagnetic radiations pass through the comb-structured shielding layer.

Abstract: Charging circuit for energy store of a portable electrical device has a first resonance switching circuit with a first receiver coil for receiving an alternating magnetic field which induces an electric voltage in the first coil, and an electrical component connected to a terminal of the first coil. The first coil and the further electrical component determine a resonance frequency (f0) of the first resonance switching circuit, A second resonance circuitry is also provided and has a second receiver coil and a further electrical component which determine a resonance frequency (f1, fn) of the second resonance circuitry. The resonance frequency of the second resonance circuitry is an integer multiple of the resonance frequency of the first resonance switching circuit. Receiver coils of the resonance circuitry are disposed such that during operation they are permeated by the same magnetic field lines of the alternating magnetic field.

Abstract: Charging circuit for energy store of a portable electrical device has a first resonance switching circuit with a first receiver coil for receiving an alternating magnetic field which induces an electric voltage in the first coil, and an electrical component connected to a terminal of the first coil. The first coil and the further electrical component determine a resonance frequency (f0) of the first resonance switching circuit, A second resonance circuitry is also provided and has a second receiver coil and a further electrical component which determine a resonance frequency (f1, fn) of the second resonance circuitry. The resonance frequency of the second resonance circuitry is an integer multiple of the resonance frequency of the first resonance switching circuit. Receiver coils of the resonance circuitry are disposed such that during operation they are permeated by the same magnetic field lines of the alternating magnetic field.

Abstract: A comb-structured shielding layer and a wireless charging transmitter thereof are provided. The wireless charging module is connected to a power source, has at least one wireless charging coil and at least one comb-structured shielding layer, and is configured to convert alternative current power from the power source to H-field electromagnetic radiations, and wirelessly charges an electronic device. The comb-structured shielding layer is disposed between the wireless charging module and the target electronic device and configured to allow the H-field electromagnetic radiations pass through. The comb-structured shielding layer includes a first area and a second area. The first area is electrically connected to a reference electric potential. The second area is electrically connected to the reference electric potential through the first area, and is configured to shield the E-field electromagnetic radiations but allow the H-field electromagnetic radiations pass through the comb-structured shielding layer.

Abstract: A method for replacing a current security certificate includes producing a security certificate request at a first device that includes a request for a replacement security certificate. The method additionally includes sending the security certificate request to a security certificate vendor and receiving a replacement security certificate from the security certificate vendor. The method further includes installing the replacement security certificate within a verification layer of the client device and transmitting the replacement security certificate to the server. The method additionally includes verifying that the server has installed the replacement security certificate, wherein the verification further verifies that the replacement security certificate enables encrypted communication between the client device and the server.