The invention relates to a stator (1) for an electric aircraft drive unit (24), the stator having multiple machine coils (2), a stator frame (3) and a rotor holder (4). The machine coils (2) are arranged in a circumferential direction (5) of the rotor holder (4) and are fixed to one another and to the electric aircraft drive unit (24) by means of the stator frame (3). Each of the machine coils (2) has at least one winding (7) and a coil core (22) so that a torque can be applied to a rotor (27) arranged in the rotor holder (4). The electric aircraft drive unit (24) has at least one propulsion assembly (25) by means of which a driving air mass flow (8) which flows in a thrust direction (9) can be generated. The stator (1) has a cooling air inlet (10) which is directed counter to the thrust direction (9) and is arranged in the driving air mass flow (8), and a cooling air outlet (11) which is directed in the thrust direction (9). A cooling air channel (12) is formed between the cooling air inlet (10) and the cooling air outlet (11). The windings (7) project in part into the cooling air channel (12), and a cooling air mass flow (13) branched off from the driving air mass flow (8) can flow through the cooling air channel (12) so that the windings (7) can be cooled by the driving air mass flow (8). The invention also relates to an electric aircraft drive unit (24).
H02K 3/24 - Enroulements caractérisés par la configuration, la forme ou le genre de construction du conducteur, p. ex. avec des conducteurs en barre avec des canaux ou des conduits pour un agent de refroidissement entre les conducteurs
H02K 7/14 - Association structurelle à des charges mécaniques, p. ex. à des machines-outils portatives ou des ventilateurs
H02K 9/06 - Dispositions de refroidissement ou de ventilation par l'air ambiant s'écoulant à travers la machine comportant des moyens pour établir la circulation d'un agent de refroidissement avec des ventilateurs ou des dispositifs d'entraînement mûs par l'arbre de la machine
H02K 1/30 - Moyens de montage ou de fixation des parties magnétiques tournantes sur ou aux structures constituant le rotor utilisant des pièces intermédiaires, p. ex. des croisillons
H02K 3/30 - Enroulements caractérisés par leur matériau d'isolement
2.
HANDHELD LASER MACHINING APPARATUS FOR MACHINING A WORKPIECE, AND FUNNEL FOR A HANDHELD LASER MACHINING APPARATUS
The invention relates to a handheld laser machining apparatus for machining a workpiece. The laser machining apparatus comprises a handheld apparatus (100) comprising an optical device for deflecting laser beams onto the workpiece, a supply unit (3) for open-loop or closed-loop control of the handheld device and/or for supplying power/fluid to the handheld device and a funnel (4) for coupling the handheld device to the workpiece. The invention also relates to a funnel (4) for a corresponding laser machining apparatus.
B23K 37/00 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe
3.
HANDHELD LASER MACHINING APPARATUS FOR MACHINING A WORKPIECE, AND FUNNEL FOR A HANDHELD LASER MACHINING APPARATUS
The invention relates to a handheld laser machining apparatus for machining a workpiece. The laser machining apparatus comprises a handheld apparatus (100) comprising an optical device for deflecting laser beams onto the workpiece, a supply unit (3) for open-loop or closed-loop control of the handheld device and/or for supplying power/fluid to the handheld device, and a funnel (4) for coupling the handheld device to the workpiece. The invention also relates to a funnel (4) for a corresponding laser machining apparatus.
09 - Appareils et instruments scientifiques et électriques
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Graving tools [hand tools]. Lasers, not for medical purposes; lasers for engraving as
hand tools; lasers for marking as hand tools. Laser engravings; welding services; welding.
09 - Appareils et instruments scientifiques et électriques
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Hand tools, namely, graving tools Lasers, not for medical purposes; Lasers, not for medical purposes, namely, lasers for industrial use Laser engravings; welding services; welding
The invention relates to an electric machine with a stator (1), with a rotor and with multiple machine coils (3). The electrical machine comprises a cooling device, which is suitable for cooling a superconducting material to at least below a transition temperature. Windings (4) of at least two machine coils (3) consist of the superconducting material and are assigned to different winding groups. The windings (4) are operatively connected with the cooling device, in order to cool the windings (4) to below the transition temperature. The electrical machine comprises an open-loop or closed-loop controlled power supply device, electrically conductively connected with the windings (4), for the supply of electrical power and controlling of the machine coils (2). At least two winding groups are each electrically-conductively connected with a separate, open-loop or closed-loop controlled power output stage (6) of the power supply device. The separate, open-loop or closed-loop controlled power output stages (6) are arranged within the thermal insulation area (5) of the electric machine delimited by the thermal insulator.
H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile
H02K 55/00 - Machines dynamo-électriques comportant des enroulements qui fonctionnent à des températures cryogéniques
H02K 55/02 - Machines dynamo-électriques comportant des enroulements qui fonctionnent à des températures cryogéniques du type synchrone
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
H02K 5/20 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des canaux ou des conduits pour la circulation d'un agent de refroidissement
H02K 9/08 - Dispositions de refroidissement ou de ventilation par un agent de refroidissement gazeux circulant entièrement à l'intérieur de l'enveloppe de la machine
The invention relates to an electrical machine comprising a stator (1), a rotor and multiple machine coils (3). The electrical machine comprises a cooling device which is suitable for cooling a superconducting material, at least to below a transition temperature. Windings (4) of at least two machine coils (3) consist of the superconducting material and are assigned to different winding groups. The windings (4) are operatively connected to the cooling device in order to cool the windings (4) to below the transition temperature. The electrical machine comprises an open-loop or closed-loop controlled power supply device that is electrically conductively connected to the windings (4), for the supply of electrical power and activation of the machine coils (2). At least two winding groups are each electrically conductively connected to a separate, open-loop or closed-loop controlled power output stage (6) of the power supply device. The separate, open-loop or closed-loop controlled power output stages (6) are arranged inside the thermally insulated region (5) of the electrical machine, which is delimited by the thermal insulator.
The invention relates to an electrical machine (1), comprising a stator (2), a rotor (15) and a plurality of machine coils (3). The electrical machine (1) has a cooling device (14) which is suitable for cooling a superconducting material at least to below a transition temperature. A winding (4) of at least one machine coil (3) is composed of the superconducting material. The winding (4) is operatively connected to the cooling device (14). The cooling device (14) has a cooling pipe (6). The cooling pipe (6) bears at least in some sections against the winding (4).
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Electric motors and generators, other than for land
vehicles; electric driving motors, other than for land
vehicles; synchronous motors; asynchronous motors;
crankcases for machines, generators and motors; electric
braking systems, other than for land vehicles;
superconductive electric motors and generators. Motors, electric, for land vehicles; gear boxes for land
vehicles; electric braking systems for land vehicles.
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Electric motors and generators, other than for land vehicles; electric driving motors, other than for land vehicles; synchronous motors and asynchronous motors, not for land vehicles; crankcases for machines, generators and motors; electric braking systems, other than for land vehicles; superconductive electric motors and generators, not for land vehicles [ Motors, electric, for land vehicles; gear boxes for land vehicles; electric braking systems for land vehicles ]
The invention relates to a riverboat (11) with at least one drive unit (1). The drive unit (1) has a propeller shaft (4), a drive internal combustion engine (2), at least one generator internal combustion engine (7), an electric generator, and a controllable electric motor (5). The drive internal combustion engine (2) can be brought into releasable engagement with the propeller shaft (4) in a first propeller shaft (4) engagement region. The controllable electric motor (5) can be operated with the electric energy generated by the generator internal combustion engine (7) and can drive the propeller shaft (4). The controllable electric motor (5) is in non-releasable engagement with the propeller shaft (4) in a second propeller shaft (4) engagement region which is spaced from the first engagement region. The invention also relates to a method for operating a riverboat (11) comprising a drive internal combustion engine (2) which can be brought into releasable engagement with a propeller shaft (4) in a first propeller shaft (4) engagement region and comprising a controllable electric motor (5) which can drive the propeller shaft (4). The controllable electric motor (5) is in permanent engagement with the propeller shaft (4) in a second propeller shaft (4) engagement region which is spaced from the first engagement region, and the controllable electric motor has approximately only 50% of the drive power of the drive internal combustion engine (2). The riverboat (11) is driven using the controllable electric motor (5) at least in a partial-load operating range.
B63H 23/24 - Transmission de l'énergie de l'appareil de propulsion aux éléments propulsifs à entraînement non mécanique électrique
B63H 21/20 - Aménagements de l'appareil moteur de propulsion ou de certains de ses éléments pour utilisation à bord des navires le navire étant propulsé par une combinaison d'éléments moteurs de types différents
12.
CURRENT CURVE FOR A SUPERCONDUCTING ELECTRICAL MACHINE
The invention relates to a motor which is provided with windings of a superconducting material which, for the operation of the motor, are cooled down below a transition temperature, the motor and especially the windings being actuated following an optimized substantially rectangular or trapezoid current curve in order to optimize operation.
H02P 27/08 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs avec modulation de largeur d'impulsions
H02K 55/00 - Machines dynamo-électriques comportant des enroulements qui fonctionnent à des températures cryogéniques
The invention relates to an electrical machine (1) having a stator (2), having a rotor (15) and having a plurality of machine coils. The electrical machine (1) has a cooling device which is suitable for cooling a superconducting material at least down to a transition temperature. A winding of the at least one machine coil is composed of the superconducting material. The winding is operatively connected to the cooling device. The machine coils are arranged on the stator (2). The at least one machine coil is arranged within a winding cryostat (17), and the winding cryostat (17) is operatively connected to the cooling device. The winding cryostat (17) is arranged within a thermal insulator (7). The thermal insulator (7) has regions in which a vacuum can be generated.
The invention relates to a method for controlling a rotating electric machine in an open-loop or closed-loop manner. The electric machine has a stator (3), a rotor (4), several machine coils, and a supply apparatus that can be controlled in an open-loop manner. The several machine coils include at least one load coil (5, 6, 7) for connecting to an electric network (17) and at least one control coil (8, 9, 10), wherein only the at least one control coil (8, 9, 10) is connected to the supply apparatus in an electrically conductive manner, the supply apparatus being controllable in an open-loop or closed-loop manner, and the rotating electric machine is controlled in an open-loop manner with the aid of the at least one control coil (8, 9, 10). The at least one control coil (8, 9, 10) is supplied with an alternating control voltage by the supply apparatus that can be controlled in an open-loop or closed-loop manner. The invention further relates to a rotating electric machine for carrying out the method, comprising a stator (3), a rotor (4), a plurality of machine coils, and a supply apparatus that can be controlled in an open-loop or closed-loop manner. The plurality of machine coils include at least one load coil (5, 6, 7) for connecting to an electric network (17) and at least one control coil (8, 9, 10), wherein the at least one control coil (8, 9, 10) can be connected to the supply apparatus in an electrically conductive manner, the supply apparatus that can be controlled in an open-loop or closed-loop manner.
H02P 4/00 - Dispositions spécialement adaptées à la régulation ou la commande de la vitesse ou du couple de moteurs électriques qui peuvent être connectés à au moins deux alimentations électriques différentes
H02P 6/00 - Dispositions pour commander les moteurs synchrones ou les autres moteurs dynamo-électriques utilisant des commutateurs électroniques en fonction de la position du rotorCommutateurs électroniques à cet effet
H02P 9/00 - Dispositions pour la commande de génératrices électriques de façon à obtenir les caractéristiques désirées à la sortie
H02P 9/10 - Commande s'exerçant sur le circuit d'excitation de la génératrice afin de réduire les effets nuisibles de surcharges ou de phénomènes transitoires, p. ex. application, suppression ou changement brutal de la charge
H02P 25/18 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de moteur ou par des détails de structure caractérisés par des dispositions de circuit ou par le type de câblage avec des dispositions pour la commutation des enroulements, p. ex. par des interrupteurs mécaniques ou des relais
H02P 25/22 - Enroulements multiplesEnroulements pour plus de trois phases
H02P 27/04 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs
H02P 1/46 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer individuellement un moteur synchrone
H02K 21/04 - Bobinages disposés sur les aimants pour une excitation additionnelle
Loading apparatus (1) for a test bench (2) for testing a test object (17), with at least two loading machines (3, 4), wherein a first loading machine (3) comprises a first electric motor and a second loading machine (4) comprises a second electric motor, wherein the electric motors are each equipped for a predetermined loading range, and the loading range of the first loading machine (3) differs from the loading range of the second loading machine (4) or the other loading machines, wherein the loading machines (3, 4) can be connected individually to the test object (17) and/or can be connected via a coupling so as to transmit a torque, as a result of which a test region to be tested of the test object (17) is substantially completely covered.
Turbine apparatus for a hydroelectric power station, with a turbine impeller, which is capable of rotating about a turbine rotary spindle, which is in particular arranged vertically, with turbine blades (4), which are fitted at an angle with respect to the turbine impeller (3), in particular a fixed angle, with a generator, which converts the mechanical rotation energy of the turbine impeller into electrical energy, wherein the generator is in particular an annular generator (5), with an annular rotor (6) and a stator (7), which is correspondingly arranged in annular fashion, wherein the turbine rotary spindle (2) is coupled to the rotor (6) in such a way that it is fixed against rotation, and the rotation about the turbine rotary spindle (2) takes place by means of a hollow shaft (8), with a pot-like receptacle (9), into which a fixed bearing journal (10) with movable bearings (11) arranged around it is inserted, in particular directly, and the turbine impeller (3) and the rotor (6) are capable of rotating about the bearing journal (10).
