Abstract: The invention relates inter alia to a drone (10) comprising at least one electromotive drive (24a, 24b) and a controller (33, 33a, 33b), wherein the drone can permanently maintain a set flight position with the aid of the controller, wherein the drone that is in the flight position thereof is connected to a ground station (11) by a cable (13), wherein the cable comprises at least two electrical conductors (27a, 27b, 27c, 27d, 27e, 27f, 27g) for supplying voltage to the drive, wherein the drone comprises lightning-protection means (34a, 34b, 34c) that protects the controller and/or the drive and/or other electronic component parts of the drone from lightning strikes, wherein the overall cross section of the electrical conductors of the cable allows for high electrical currents, caused by lightning strikes, to be conducted away from the drone (10) to the ground station (11), and wherein the cable is connected to a lightning transfer point (16) in the earth (15), in the region of the ground station.

Abstract: The invention relates to, among others, a communication station (10) for an intercom network (11), comprising a plurality of operating elements (15a, 15b, 15c, 15d) each of which are configured in the manner of a lever (49a, 49b, 49c, 49d, 49e, 49f, 49g, 49h, 49i, 49j), wherein a lever starting from an inactive middle position (39a) is manually shiftable in a first direction (31) into a first switching position (39b) or alternatively shiftable in a second direction (32) contrary to the first into a second switching position (39c), wherein the lever is biased toward its middle position. The special feature of the invention consists, among others, in that the lever comprises a rotatably mounted adjustment element (59, 59a, 59b, 59c, 59d, 59e, 59f, 59g, 59h, 59i, 59j) for changing a parameter.

Abstract: The invention relates, inter alia, to a speech station (10) for an intercom network (11), comprising an in particular parallepipedal housing (12), with a housing front (13) and a rear housing side (14), wherein a plurality of programmable operator controls (15a, 15b, 15c, 15d) and multiple displays (16a, 16b, 16c, 16d) are tightly packed on the housing front (13), wherein the operator controls comprise a plurality of selector keys (17a, 17b, 17c, 17d), wherein the speech station as a result of a selector key being actuated by an operator provides a direct listen and/or talk connection to a selected other speech station (18a, 18b) of the intercom network via a switching station (19), wherein a plurality of connectors (20a, 20b, 20c, 20d), such as power-supply connector, data cable connector, BNC connector, are mounted on the rear housing side (14), wherein at least one loudspeaker (24a, 24b) is fixed on the speech station, wherein the loudspeaker is accommodated in a seat (25) between the housing front (13) an

Abstract: The invention relates, inter alia, to a speech station (10) for an intercom network (11), comprising an in particular parallepipedal housing (12), with a housing front (13) and a rear housing side (14), wherein a plurality of programmable operator controls (15a, 15b, 15c, 15d) and multiple displays (16a, 16b, 16c, 16d) are tightly packed on the housing front (13), wherein the operator controls comprise a plurality of selector keys (17a, 17b, 17c, 17d), wherein the speech station as a result of a selector key being actuated by an operator provides a direct listen and/or talk connection to a selected other speech station (18a, 18b) of the intercom network via a switching station (19), wherein a plurality of connectors (20a, 20b, 20c, 20d), such as power-supply connector, data cable connector, BNC connector, are mounted on the rear housing side (14), wherein at least one loudspeaker (24a, 24b) is fixed on the speech station, wherein the loudspeaker is accommodated in a seat (25) between the housing front (13) an

Abstract: An intercom network (10) for real-time audio communication between users (11a, 11b, 11c, 11d, 11e, 11f, 15a, 15b), amongst other things, is represented and described, comprising at least one stationary element (12a, 12b), as a base (13), to which the users (11a, 11b, 11c, 11d, 11e, 11f) are connected, and at least one mobile terminal (15a, 15b), such as a belt pack (16) or a mobile microphone (17) that comprises an audio input (18a, 18b), wherein audio signals can be transmitted wirelessly with the mobile terminal within the DECT frequency range to the stationary element or to another stationary user, wherein the stationary element comprises a device (19) for user management that administers the users (11a, 11b, 11c, 11d, 11e, 11f, 15a, 15b) connected to the stationary element (12a, 12b), and wherein an authorization check is carried out by the device for the logging-on of the mobile terminal to the stationary element, wherein the device (19) comprises an NFC element (20a) arranged on the stationary element (

Abstract: A seal arrangement (15; 26; 43; 50) for sealing an annular gap (14) between a high-pressure steam space (12) and an adjacent low-pressure steam space (13). The gap is defined between two turbine casings (10, 11) each split into two casing halves, the seal arrangement (15; 26; 43; 50) has a seal element (24; 47; 58) which is formed in a segmented and annular manner and extends between the two turbine casings (10, 11) and engages in an annular receiving groove (9, 23; 30, 34; 49; 54) by means of at least one of its radial end regions. The seal arrangement (15; 26; 43; 50) has at least one segmented ring (16, 20; 27, 31; 44; 51; 55) with a first circumferential surface (17, 21; 28, 32; 45; 52, 56) releasably attached to one of the turbine casings (10, 11) in the region of the annular gap (14), and has an opposite second circumferential surface (18, 22; 29, 33; 46; 53, 57) with the annular receiving groove (9, 23; 30, 34; 54) or, in a one-piece form, with the radially projecting annular seal element (47; 58).

Abstract: The invention relates, among others, to a mobile terminal portable by a user (32) and designed as a belt pack (10) for use in an intercom network (17), comprising a housing (44) with a port (16) for a headset (11) with a headset microphone (13) and a headset loudspeaker (12), and further comprising a communication module (25a), with which audio information can be wirelessly transmitted to other users (19a, 19b) of the intercom network. The speciality consists, among others, in that a microphone (27) and a loudspeaker (28) are provided in or on the housing (44).

Abstract: The invention relates to, among others, a network device (10, 11, 12) for an intercom network (13) for permitting an audio communication, in particular a duplex audio communication with other users (14a, 14b, 14c, 14d, 14e, 14f) of the intercom network, comprising a housing (33) and a communication module (20a, 20b) arranged therein or thereon, with which a radio link can be established for the transmission of audio signals to another user, wherein the radio link is subject to the DECT protocol. The speciality, among others, consists in that the network device (10, 11, 12) comprises a means (21) for preventing or reducing multipath interferences.

Abstract: An intercom network (10) for real-time audio communication between users (11a, 11b, 11c, 11d, 11e, 11f, 15a, 15b), amongst other things, is represented and described, comprising at least one stationary element (12a, 12b), as a base (13), to which the users (11a, 11b, 11c, 11d, 11e, 11f) are connected, and at least one mobile terminal (15a, 15b), such as a belt pack (16) or a mobile microphone (17) that comprises an audio input (18a, 18b), wherein audio signals can be transmitted wirelessly with the mobile terminal within the DECT frequency range to the stationary element or to another stationary user, wherein the stationary element comprises a device (19) for user management that administers the users (11a, 11b, 11c, 11d, 11e, 11f, 15a, 15b) connected to the stationary element (12a, 12b), and wherein an authorization check is carried out by the device for the logging-on of the mobile terminal to the stationary element, wherein the device (19) comprises an NFC element (20a) arranged on the stationary element (

Abstract: The invention relates, among others, to an aircraft (10) comprising at least one electromotive drive (11a, 11b) and a controller (12) with which the aircraft can permanently maintain a set flight position, wherein the aircraft can be connected to the ground station (19) via a cable arrangement (16), and wherein the cable arrangement comprises at least two electric conductors (17a, 17b) for supplying voltage to the drive, as well as a fiber-optic cable (18) for the communication of data and/or signals.

Abstract: The invention concerns amongst other things a user (11a, 11b, 11c, 11d, 11e, 11f, 11g) to an intercom network (10) for carrying out real-time audio communication with other users of this intercom network, comprising an audio input, in particular a microphone (14, 14a, 14b, 14c, 14d, 14e, 14f) or a microphone port (28) and a connection port (29) or a communication module (30) for connecting with a switching center (19a, 19b) of the intercom network, comprising at least one functionality that can be set as a parameter, in particular manually set, such as key assignment, direct-dial key, brightness, volume or the like, characterized in that an NFC element (22, 22a, 22b, 22c, 22d, 22e, 22f) is provided on the user that can be used to carry out a communication with a counterpart NFC element (23) assigned to an operator (25).

Abstract: Presented and described is, amongst other items, an intercom plug-in connector (10) for audio connections, comprising a cylindrical housing (19) extending in the axial direction (27), in particular with a circular, or essentially circular, cross-section, whose first axial end (20) is formed by a plug-in extension (22) that on its front face (39) has a plurality of sockets (23a, 23b, 23c, 23d), in particular four sockets positioned relative to one another in an approximately V-shape, for contact pins (24a, 24b), and which at its second axial end (21) has a phone jack (25) for a phone plug (14).

Abstract: The present invention relates to a method for operating a fuel supply system for an internal combustion engine, and to a corresponding device. The fuel supply system of an internal combustion engine may include: an outlet of a high-pressure pump coupled to a pressure-limiting valve and a high-pressure fluid accumulator. The method may include, when the internal combustion engine is set into a deactivated state, actuating the high-pressure pump such that, at the outlet side of the high-pressure pump, a pressure is increased such that the pressure-limiting valve is opened.

Abstract: A valve for shutting off and/or controlling the throughflow of fluid flows is provided. A valve housing, having a valve seat contact surface, a valve cover with a valve cover thickness which is provided with a material allowance, and the valve body form together a first, maximum lift; and when the worn region of the valve seat contact surface is removed, the valve cover thickness can be removed such that the first, maximum lift remains the same or remains the same with only minor deviations; and/or the valve housing, valve seat contact surface, valve cover with the valve cover thickness, and the valve body is provided with a material allowance form a first, particularly maximum lift; and when the worn region of the valve seat contact surface is removed, the valve body can be removed such that the first, maximum lift remains the same or with only minor deviations.

Abstract: In systems and methods of managing push-to-talk registration of a wireless device, a network attachment request is received from a wireless device in a first geographic service area, a service plan identifier associated with the wireless device is received, and based on the service plan identifier a domain name node network address is provided to the wireless device. A network address of a push-to-talk application node associated with a second geographic service area is determined based on the domain name node network address. The wireless device is then registered in the first geographic service area with the push-to-talk application node associated with the second geographic service area.

Abstract: The invention relates to, among others, an intercom network (10), comprising a plurality of speech stations (11a, 11b, 11c) and at least one switching center (13, 16), wherein from each speech station connected to the switching center a connecting line (12a, 12b, 12c) extend to the switching center, wherein the connecting line provides a direct connection, respectively, between the switching center and the connected speech station, and wherein the speech stations of the intercom network, due to an audio data communication via the switching center, can enter into audio communication in real time. The particular feature consists, among others, in that at least one speech station (11a) comprises a terminal (53, 54) for a second connecting line (50, 50a, 50b, 50c), via which the speech station is connected with the same switching center (13) or with another switching center (16).

Abstract: A seal arrangement (15; 26; 43; 50) for sealing an annular gap (14) between a high-pressure steam space (12) and an adjacent low-pressure steam space (13). The gap is defined between two turbine casings (10, 11) each split into two casing halves, the seal arrangement (15; 26; 43; 50) has a seal element (24; 47; 58) which is formed in a segmented and annular manner and extends between the two turbine casings (10, 11) and engages in an annular receiving groove (9, 23; 30, 34; 49; 54) by means of at least one of its radial end regions. The seal arrangement (15; 26; 43; 50) has at least one segmented ring (16, 20; 27, 31; 44; 51; 55) with a first circumferential surface (17, 21; 28, 32; 45; 52, 56) releasably attached to one of the turbine casings (10, 11) in the region of the annular gap (14), and has an opposite second circumferential surface (18, 22; 29, 33; 46; 53, 57) with the annular receiving groove (9, 23; 30, 34; 54) or, in a one-piece form, with the radially projecting annular seal element (47; 58).

Abstract: A valve diffuser (3) for a valve (1), wherein the valve diffuser (3) has a valve seat (8) to make contact with a valve body. The valve seat (8) has a bushing (10) for making contact with a valve body. The bushing is formed from a different reinforced material wherein the valve diffuser (3) and preferably stellite.

Abstract: A method for operating an injection system has the following steps: determining, based on a pilot control characteristic, a prefeed value depending on an internal combustion engine operating parameter; initializing a correction value for the prefeed pump by a safety value predetermined for compensating deviations from a predetermined delivery behavior of the prefeed pump, which deviations lie within a predetermined tolerance range, for guaranteeing a sufficient pump delivery rate; controlling the prefeed pump depending on the prefeed and the correction values; adapting the correction value effecting the delivery behavior of the prefeed pump depending on a variable of the system the value or value curve of which indicates that a desired pressure can be generated in the fuel accumulator, namely in the sense of reducing the delivery output of the prefeed pump, as long as the value indicates that the desired pressure can be generated in the fuel accumulator.

Abstract: A fuel injection system for an internal combustion engine has a fuel distributor (2), in the interior space (4) of which is formed a high-pressure accumulator, wherein transverse bores (6) open into the interior space (4). The transverse bores (6) are connected by connecting pipes (8a, 8b) to pressure lines (10) for the supply and discharge of fuel. A high-pressure sensor (30) is arranged at the face-side end of the fuel distributor (2), which high-pressure sensor (30) is connected by a measurement bore (30c) to the interior space (4), and a permanent magnet ring is arranged at that face-side end of the interior space (4) which is assigned to the high-pressure sensor (3).