09 - Scientific and electric apparatus and instruments
Goods & Services
Moteurs synchrones et asynchrones, alternateurs, groupes électrogènes, moteurs et génératrices à courant continu ou alternatif, convertisseurs, générateurs d'électricité. Logiciels (programmes enregistrés); appareils électriques de commande et de régulation; variateurs de vitesse électroniques; régulateurs de tension et/ou de courant; appareils de commande, de contrôle et de régulation du courant électrique; appareils et instruments électriques de commande, de mesure, de contrôle; onduleurs (statiques ou rotatifs) à fréquence fixe ou à fréquence variable; appareils de contrôle et de régulation contre les surtensions; variateurs et réducteurs de vitesse; équipements d'exploitation, de contrôle et de régulation pour machines tournantes électriques, à savoir collecteurs électriques rotatifs, inducteurs électriques; variateurs à courant alternatif; variateurs à courant continu; variateurs à vitesse variable; convertisseurs électriques.
A wound rotor (2) for a rotary electric machine (1) comprises: • - salient poles, each salient pole comprising a pole body and two pole shoes, arranged one on each side side of the pole body at a free end of the pole body, • - at least two pairs of slots (9; 10) formed in a salient pole, the two slots of a pair of slots being provided one on each side of the pole body of the salient pole, two adjacent slots of the salient pole being separated by a lug (11), and • - at least two coils (12) per salient pole, each coil (12) being received in a pair of slots of the salient pole.
Disclosed is a stator (1) of a rotary electrical machine, comprising a stator mass (3) having a plurality of slots (10) and a winding in the slots (10), the winding comprising bundles of round wires (6), at least one slot (10) or each of the slots comprising a plurality of round wires (6) which follow one another circumferentially, and at least one slot (10) or each of the slots being open towards an air gap in the machine and comprising two foldable constrictions (20) that partially close the corresponding slot (10).
Device for manufacturing a lamination stack (E) for a rotating electrical machine, each lamination having a plurality of lamination sectors with notches. The laminations providing a central bore. The device including a mandrel for receiving the stacked lamination sectors, in which the mandrel includes a mandrel body provided with longitudinal slots, bars received in the longitudinal slots of the mandrel body, the bars being magnetizable, a magnetization system for the bars, and alignment pins intended to be received in the notches of the laminations to align the notches.
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
The invention relates to a rotary electrical machine (1) comprising: - a rotor (2) comprising at least one permanent magnet (7) forming a plurality of magnetic poles (3), at least one non-zero portion of the boundary (F) between two adjacent magnetic poles (3) being angularly offset from the mean angular position of magnetic neutrality between the two adjacent magnetic poles (3); - a stator (10) comprising teeth (13) and at least one magnetic sensor (20) for detecting the angular position of the rotor (2), in particular a Hall effect probe, the magnetic sensor (20) being associated with a tooth (13), the magnetic sensor (20) being offset by a non-zero angle γ relative to a median radial plane (P) of the associated tooth (13).
H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
H02K 29/08 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates or magneto-resistors
A rotary electric machine includes a stator housed in a housing, the stator having a stator body formed by a stack of stator laminations, the laminations are generally non-circular and being angularly offset with respect to each other, so as to form spaces with the housing, the housing having ducts for the flow of a coolant, and said spaces also being used for the flow of the coolant.
H02K 9/197 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
A rotating electrical machine including a stator and a rotor having a rotor mass and permanent magnets, which are arranged on the surface of the rotor mass. The permanent magnets include a face which is directed towards the stator and is of a generally concave form. The permanent magnets of the rotor form poles of the rotor, in which the permanent magnet(s) of a same pole have an angular offset (a) between two longitudinal ends of the machine.
A stator including a ring having teeth and slots between said teeth that open radially outwards and material bridges, each linking two adjacent teeth to the respective base on the side of the air-gap, a yoke attached to the ring, and windings placed in the slots of the ring, at least some of the material bridges having at least on deformable zone that can be deformed during assembly of the yoke on the ring.
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 15/06 - Embedding prefabricated windings in the machines
A stator including a ring having teeth with slots there between, and bridges of material each connecting two adjacent teeth at their base on the side of the air gap and defining the bottom of the slot between these teeth. The bridges of material each having at least one region of reduced magnetic permeability that is in the form of at least one localized narrowing formed by a groove or a localized crushing of the material, and/or at least one opening with the width l of the bridge of material, and/or at least one localized treatment in the with l of the bridge of material, which locally reduces the magnetic permeability of the bridge of material, and windings placed in the slots of the ring.
H02K 21/14 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
A method for manufacturing a stator of an electrical machine. The method including: a toothed ring having teeth joined together by bridges of material and defining between them slots open radially toward the outside, windings produced outside of the slots, and a yoke configured to be attached to the toothed ring. The method also including attaching at least one piece of sheet-form insulation to at least a portion of each of the windings, inserting said winding portions with the insulation into the slots via a radial movement directed toward the inside of the slots, and assembling the yoke onto the radially exterior surface of the ring to close the slots radially.
H02K 15/10 - Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes
H02K 15/06 - Embedding prefabricated windings in the machines
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
A rotor for a rotary electric machine, including: a stack of magnetic laminations each having openings, the superposition of these openings within the stack forming slots, at least some of the openings having, on at least part of their periphery, friction reliefs, electrically conducting bars made of a first material, received in at least part of the slots and coming to bear via at least one principal face against said reliefs.
A stator for a rotary electric machine, having a stator mass that has slots in which electrical conductors introduced axially into the slots are housed, each of the slots having a continuously closed contour.
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
H02K 3/28 - Layout of windings or of connections between windings
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 15/06 - Embedding prefabricated windings in the machines
13.
Method for regulating paralleled alternators in order to distribute reactive load
Rotating electric machine (1) comprising: a casing (3) comprising a primary cooling circuit (13) operating by circulation of a cooling fluid; a stator (5) which is arranged inside the casing and preferably in thermal contact with same; a rotor (7); and a secondary cooling circuit comprising at least one fan (11) for generating the closed-circuit forced circulation of a secondary fluid in thermal contact with the rotor, said secondary fluid being cooled by the primary circuit, the secondary circuit being arranged radially inwardly with respect to the primary circuit, the casing and the stator being separated by at least one separator (31) forming a spacer, the at least one separator being inserted into an arrangement formed in the casing and/or the stator.
An assembly, having a generator and electric motors, for a vehicle air-conditioning or cooling system, having: a compressor intended to be driven by a heat engine, a top-up electric motor for driving the compressor when the latter is not or cannot be driven by the heat engine, a generator with permanent magnets having a shaft which can be driven in rotation by the heat engine, the generator and the top-up electric motor being disposed on this shaft, one or more condenser and/or evaporator electric motors of a vehicle air-conditioning or cooling system, said electric motors being configured to be powered by a direct current, the generator powering the electric motor or motors through a converter configured to supply a direct current, notably a low-voltage controller.
A method for manufacturing a rotor of a rotary electric machine, including a stack of magnetic laminations defining the slots in which bars made from a first electrically conducting material are received, in which method a second electrically conducting material, different from the first, is injected using an injection machine, from the front of the laminations stack, the bars being held at their rear end against the pressure associated with the injection by a positioning tool that passes through a cavity used for forming a short-circuiting ring at the rear of the laminations stack.
A rotary electric machine including a rotor having salient poles, each salient pole comprising a pole body surrounded by at least one coil, and at least one pair of wedges comprising a first wedge positioned against the coil of a first salient pole and a second wedge positioned against the coil of a second salient pole consecutive with the first. The first and second wedges are able to move in the inter-pole space with respect to one another along the longitudinal axis of the rotor, and each having at least one contact surface, the contact surface or surfaces of the first wedge being configured to come into contact with the contact surface or surfaces of the second wedge as one wedge is moved longitudinally with respect to the other in such a way that the movement of one wedge with respect to the other induces a pressing of these wedges against the coils so as to hold the coils of the first and second salient poles respectively against the pole bodies of the first and second salient poles.
A rotary electric machine having a stator, and a rotor having a shaft and permanent magnets on the surface of the shaft, the permanent magnets having a face of concave overall shape directed toward the stator.
An electronic device, in particular an alternator regulator, comprising a power stage to be connected to an inductive load, in particular to an alternator inductor, comprising at least one first pair of power transistors connected to a terminal of a DC bus, and a control circuit for said transistors, the transistors being disposed in parallel between said terminal of the DC bus and a first output to be connected to the load, at least one flyback diode connecting the opposite terminal of the DC bus to the first output, the control circuit being designed to generate a pulsed control signal for regulating the current in the load and for detecting a failure of one of the transistors, the control circuit being designed, during normal operation, to send the control signal to one of the transistors of the first pair, while maintaining the other transistor of said pair in an off-state.
H02P 9/30 - Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
H02K 11/04 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
H05K 7/14 - Mounting supporting structure in casing or on frame or rack
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
H02P 101/25 - Special adaptation of control arrangements for generators for combustion engines
An axial flux rotary electric machine including at least one stator and at least one rotor that are arranged along an axis of rotation of the machine, the rotor including a rotor mass and housings created in the rotor mass, the housings defining magnetic poles of the rotor, each of the housings being able to contain or not contain at least one permanent magnet.
Stator for a rotating electrical machine, comprising: - a radially inner ring comprising radially outwardly open teeth and notches extending between the teeth, material bridges connecting two adjacent teeth to the base thereof and defining the bottom of the notch between said teeth, and - a radially outer yoke that is engaged with the ring, the ring and the yoke respectively having first and second reliefs cooperating together and/or with one or more inserts, and - windings arranged so as to be distributed in the notches.
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
The present invention relates to a stator comprising: - a ring (25) comprising teeth (23) between which notches (21) are provided, and material bridges (27) each connecting two adjacent teeth (23) to the base thereof on the side of the air gap (46) and defining the bottom of the notch (35) between said teeth (23), material bridges (27) each having at least one region with reduced magnetic permeability in the form of at least one localised narrowing formed by a groove (40) or a localised crushing of the material, and/or at least one opening in the width l of the material bridge (27), and/or at least one localised treatment in the width l of the material bridge (27), which locally reduces the magnetic permeability of the material bridge (27), and - windings (22) disposed in the notches (21) of the ring (25).
The present invention relates to a process for manufacturing an electrical-machine stator (2), the process employing: - a toothed ring (25) comprising teeth (23) that are connected together by bridges of material and that define, therebetween, notches (21) that are radially open toward the exterior, - windings (22) produced outside of the notches (21), and - a yoke (29) configured to be added to the toothed ring (25), the process comprising: fastening at least one sheet insulator to at least one segment (22a, 22b) of each of the windings, inserting said segments of winding (22a, 22b) with the insulators into the notches (21) via a radial movement directed toward the interior of the notches (21), and assembling the yoke (29) on the radially exterior surface of the ring (25) in order to radially close the notches (21).
H02K 15/06 - Embedding prefabricated windings in the machines
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
The invention relates to a stator of a rotating electrical machine, comprising a stator mass that has slots in which electrical conductors are housed, inserted axially into said slots, wherein each of the slots has an uninterruptedly closed contour.
The present invention relates to a stator comprising: - a ring (25) which comprises: o teeth between which notches (21) are provided which are open radially outwardly, and o material bridges (27) which each connect two adjacent teeth to the base thereof at the side of the air gap (46), - a yoke which is fitted to the ring (25) and - coils (22) which are disposed in the notches (21) of the ring (25), at least a portion of the material bridges (27) having at least one deformable zone (32) which can become deformed during the assembly of the yoke on the ring (25).
A rotor of an electrical rotating machine having poles formed from stacks of magnetic plates and electrical conductors wound around each pole. The rotor includes cooling fins extending in prolongation of the poles along the axis of rotation of the rotor.
H02K 9/00 - Arrangements for cooling or ventilating
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
The invention relates to a rotor for an electrical machine, rotating about an axis of rotation (X), the rotor including: - salient poles (13) forming notches (11) therebetween, the salient poles each having a generally asymmetric shape in relation to a radial median plane containing the axis of rotation (X) of the machine; and - coils (12), each coil (12) being provided on a corresponding salient pole (13), in the notches adjacent to this salient pole.
Disclosed is a double-casing frame of an electric machine that is cooled by a fluid circulating in the fluid circulation space (26) inside the double casing, said double-casing frame comprising: an inner casing (22) on which an end flange (30) is mounted at the rear of the machine; and an outer casing (24) that fits over the inner casing (22) and can be separated from the inner casing (22) without removing the end flange (30).
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 9/16 - Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle wherein the cooling medium circulates through ducts or tubes within the casing
29.
Wound rotor or stator and method for manufacturing same
min) at right angles to the axis of the pole and tangential to a pole shoe of an adjacent pole, (b) pushing back the duly produced partial winding towards the base of the tooth, and freeing said portion of the tooth having been used for the winding, and (c) repeating step (a) to produce another partial winding on the duly released portion of tooth.
H02K 9/10 - Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
H02K 15/095 - Forming windings by laying conductors into or around core parts by laying conductors around salient poles
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
Rotor (1) for a rotary electric machine, comprising:
a shaft (2);
at least one annular shaped magnet (10) engaged on the shaft;
at least one elastically deformable component (9) radially interposed between the shaft (2) and the magnet (10).
H02K 1/30 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
H02K 1/28 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
Device (1) for cooling at least one power electronics circuit (4), including: a liquid-cooled heatsink (2); and an interface plate (3) that is in thermal contact with the heatsink (2) and to which the one or more power electronics circuits (4) are attached, the interface plate (3), including at least one thermosiphon (6), being removably mounted on the heatsink (2) so as to be capable of being separated therefrom with the one or more electronic circuits (4) attached thereto.
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
H02K 11/33 - Drive circuits, e.g. power electronics
H01L 23/427 - Cooling by change of state, e.g. use of heat pipes
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
32.
ASSEMBLY COMPRISING A GENERATOR AND ELECTRIC MOTORS, FOR A VEHICLE AIR-CONDITIONING OR REFRIGERATION SYSTEM
The invention relates to an assembly (1) comprising a generator and electric motors, for a vehicle air-conditioning or refrigeration system, comprising: - a compressor (15) to be driven by a heat engine (3), - an auxiliary electric motor (16) for driving the compressor (15) when the latter is not or cannot be driven by the heat engine, - a permanent-magnet generator (4) having a shaft (25) which can be rotatably driven by the heat engine (3), the generator (4) and the auxiliary electric motor (16) being arranged on said shaft (25), - one or more electric motors for condensers and/or evaporators (8, 9) of a vehicle air-conditioning or refrigeration system, said electric motors (8, 9) being configured to be powered by a direct current, the generator powering the at least one electric motor (8, 9) through a converter configured to provide a direct current, in particular a low-voltage controller.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
B60H 1/00 - Heating, cooling or ventilating devices
A method for customizing operation of an alternator regulator including at least one processor executing a program governing its operation. The regulator receives input signals and acts on output signals according to at least one control law. The control law is implemented in the regulator by a programming interface by inputting at least coordinates (x, f(x)) of at least two points of the law.
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
H02P 21/00 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
H02P 9/02 - Arrangements for controlling electric generators for the purpose of obtaining a desired output Details
H02P 21/14 - Estimation or adaptation of machine parameters, e.g. flux, current or voltage
H02P 101/30 - Special adaptation of control arrangements for generators for aircraft
The present invention relates to a method for impregnating at least one portion of an electrical machine (M) comprising a winding and electrical sheets, by immersing said portion in a bath of an impregnating substance (I) capable of gelling when hot, characterised in that an alternating or pulsed electrical current is circulated through the winding while it is immersed, said current varying over time so as to create vibrations that favour the discharge of air bubbles, and the non-gelled impregnating substance is cooled.
A speed reducer including a shaft extending along an axis, two rolling bearings arranged around the shaft, the two rolling bearings each including a radially outer ring, a radially inner ring and rolling elements arranged between the outer and inner rings. The speed reducer includes a preload system positioned between the two rolling bearings and which includes: two spacer elements each one resting against one of the rings of the rolling bearings, at least one elastically deformable element interposed between the two spacing elements, and configured to occupy a preloaded first state and an least partially relaxed second state, the preload system arranged such that the transition of the at least one elastically deformable element from the first to the second state causes a unidirectional rotational movement of each spacer element with respect to the other so as to use a wedge effect to generate preload in the rolling bearings.
F16C 25/08 - Ball or roller bearings self-adjusting
F16H 1/14 - Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
The invention relates to a rotor (1) for a rotary electric machine, having a stack of magnetic laminations (2) that each have perforations (3), the superposition of these perforations (3) within the stack (2) forming notches (4), at least some of the perforations (3) having, on at least part of their periphery, friction reliefs, electrically conductive bars (10) of a first material, which are received in at least some of the notches (4) and bear against said reliefs by at least one main face (11).
nm nmn > mn > m; - bars (10) of a first electrically conductive material in at least one portion of the main notches; and - a second electrically conductive material (20), different from the first, injected into the secondary notches (40).
The invention relates to a rotor for a rotary electrical machine, comprising: - a packet (2) of magnetic sheets comprising notches (4) formed by holes of the magnetic sheets (2), separating raised patterns extending inside the holes and separating the notches (4) into first and second separate compartments, the first compartments being radially inside the second compartments, - a first conductive material being arranged in the first compartments of at least one portion of the notches (4), - a second electrically conductive material, other than the first, being arranged in the second compartments (8) of these notches (4), the separating raised patterns which extend inside the holes preventing the first and second materials from coming into contact.
A method for manufacturing a rotor of a rotating electrical machine, comprising a stack (2) of magnetic laminations (113) defining notches (4) in which bars (10) made of a first electrically conductive material are received, method in which a second electrically conductive material (20), different from the first material (10), is injected by means of an injection press from the front of the stack of laminations, the bars (10) being held at the rear end of same, against the pressure related to the injection, by a positioning tool (21) traversing a cavity for forming a short circuit ring (130) at the rear of the stack of laminations and leaving a recess (131).
The invention relates to the rotor of a rotating electrical machine, comprising: a stack (2) of magnetic laminations (113) defining slots (4); bars (10) of a first electrically conductive material, received in the slots (4); a second electrically conductive material (20), different from the first, injected into the slots (4); and pins (70) or rivets inserted into the slots (4) in contact with the bars (10).
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 17/20 - Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having deep-bar rotors
H02K 15/06 - Embedding prefabricated windings in the machines
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 17/16 - Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
Rotor of a rotating electrical machine, comprising a stack of magnetic laminations (113) defining a first series (60) of notches (4) and a second series (80) of notches (4) linked together by a first radial passage (16), the notches (4) of the second series (80) of notches being radially outside the notches (4) of the first series (60) of notches and opening through a second radial passage (18) on the radially outer surface of the stack of laminations (113), bars (10) made of a first electrically conductive material received in at least a portion of the notches (4), and a second electrically conductive material (20), different from the first, injected into the notches (4).
The rotor of a rotary electric machine, comprising: – a bundle of magnetic laminations defining slots each having first and second opposite long sides, oriented substantially radially, – bars (10) of a first electrically conducting material housed in the slots, occupying just a portion of the cross section of the slots and each coming to bear, over at least part of their length, on just one of the said long sides at a time, leaving a space to the opposite face, and – a second electrically conducting material, different from the first, injected into the slots and present in the said space.
Rotor of a rotary electric machine, comprising a bundle (2) of magnetic laminations (113), the magnetic laminations (113) comprising openings (3) forming slots (4) within the bundle (2), the bundle (2) comprising at least one keeper lamination (110) at one of its axial ends, bars (10) of a first electrically conducting material housed in at least part of the slots (4), these bars (10) coming to bear at one axial end against the said keeper lamination (110), with a second electrically conducting material (20) being injected into the slots (4).
Rotor for an electric rotating machine, comprising: - a bundle of magnetic sheets (113) having notches therethrough, the sheets being produced by punching using a press die applied to a first face (113a) of the sheets towards a second face (113b) opposite to the first, - bars of a first electrically conductive material received in the notches, - a second electrically conductive material, different from the first material, injected into the notches, the bundle of sheets comprising sheets, the first faces (113a) or the second faces (113b) of which are arranged facing one another, so as to generate on the bars a shear to ensure that the sheets are held before the second material is injected.
The present invention relates to a caseless, in particular synchronous, electric motor including: - a rotor; - a stator (1) including a set (10) of laminations (11) exhibiting slots (14) accepting windings, the laminations exhibiting, at their radially outer periphery, radial extensions (20) through which housings (21) of oblong section pass, in which housings are engaged through-bolts (30), the laminations being angularly offset with respect to one another such that the slots (14) each lie along a helical path; - front and rear bearings, the through-bolts (30) coming into abutment against the bearings and imposing a geometry on the motor independently of that of the set of laminations.
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
A rotary electrical machine (1) comprising: - a stator (10), and - a rotor (20) comprising a shaft (21) and permanent magnets (22) arranged on the surface of the shaft, the permanent magnets (22) comprising a generally concave-shaped face directed towards the stator.
A brake (20) for an electric motor comprising a rotor (11) provided with a shaft (12), the brake comprising: an electromagnetic yoke (24), at least one mobile armature (30) that can be moved under the effect of the yoke being supplied with power, at least one friction disc (31), intended to be rotated with the shaft, optionally, a backing plate (21) for attaching the brake to a rear flange (50) of the motor, a plurality of attachment elements (25) for attaching the yoke to the rear flange of the motor or to the backing plate, if present, and a sealing strip (8) arranged at least around a functional clearance (j) between the friction disc and the mobile armature, the sealing strip being radially outside the friction disc and radially inside the attachment elements.
B60T 13/04 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with mechanical assistance or drive by spring or weight
F16D 59/02 - Self-acting brakes, e.g. coming into operation at a predetermined speed spring-loaded and adapted to be released by mechanical, fluid, or electromagnetic means
F16D 65/18 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
H02K 7/102 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
The invention relates to an axial flow rotating electric machine (10) comprising at least one stator (20) and at least one rotor (40) which are arranged along an axis of rotation (X) of the machine, the rotor (40) having a rotor mass and cavities in the rotor mass, said cavities defining magnetic poles of the rotor and each optionally containing at least one permanent magnet.
A method for regulating a collection of alternators comprising at least two alternators which power a load (C) in parallel and are each fitted with a regulator (12, 13) configured to deliver an output signal representative of the rate of reactive power of the corresponding alternator with respect to its nominal reactive power, and a regulation rule for modifying the rate of reactive power of the alternator depending on an input signal. In said method, a weighted signal is generated based on output signals which are representative of the rate of reactive power of each of the alternators and are provided by the corresponding regulators, said weighted signal being sent as an input signal of these regulators so as to cause each of the alternators to converge towards a predefined rate of reactive power (Trp).
H02J 3/18 - Arrangements for adjusting, eliminating or compensating reactive power in networks
H02J 3/16 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
H02P 9/10 - Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load
50.
ELECTRONIC DEVICE, PARTICULARLY A VARIABLE-SPEED DRIVE OR ALTERNATOR REGULATOR, COMPRISING AN AREA FOR RECEIVING AN ACCESSORY MODULE
The invention relates to an electronic device (1), particularly a variable-speed drive or an alternator regulator, comprising a housing having an area for receiving an accessory module on the façade thereof, a flap (150) for closing said area, and an electronic circuit comprising an interface card defining an area for receiving a memory card, which opens up into the area for receiving the accessory module.
An electronic device (1), in particular a variable speed drive or alternator regulator, comprising at least one power component mounted on a heat sink (10) and a plurality of capacitors extending through at least one opening of the heat sink, characterised by the fact that it comprises a reinforcement in which a sealing gasket, in sheet form, is received, being applied on an inner face of the heat sink and on an opposite inner face of a casing connected to the heat sink, the inner faces of the heat sink and the casing coming into contact.
An electronic device, in particular an alternator regulator, comprising a power stage to be connected to an inductive load (L), in particular an alternator inductor, comprising at least one first pair of power transistors (TH1, TH2) connected to a terminal of a DC bus (+), and a control circuit (240) for these transistors, the transistors being arranged in parallel between said DC bus terminal and a first output (230) to be connected to the load, at least one flyback diode (DL1, DL2) connecting the opposite terminal of the DC bus to the first output, the control circuit being designed to generate a pulsed control signal (241) for regulating the current in the load and for detecting a failure of one of the transistors, the control circuit being designed, during normal operation, in the absence of a failure of the transistors, for sending a control signal to one of the transistors (TH1) of the first pair, while maintaining the other transistor (TH2) of this pair in a blocked state.
H02P 9/12 - Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load for demagnetisingControl effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load for reducing effects of remanenceControl effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load for preventing pole reversal
H02H 7/00 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
H02M 7/538 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a push-pull configuration
53.
ELECTRONIC DEVICE, IN PARTICULAR A VARIABLE SPEED DRIVE OR ALTERNATOR REGULATOR, COMPRISING A HEAT SINK AND A POWER CARD
An electronic device, in particular a variable speed drive or alternator regulator, comprising a heat sink (10) and a power card comprising a printed circuit board, housed in a casing, characterised by the fact that it comprises a part (100) fixed to a heat sink (10) and fixed to the circuit board and contacting at least one conductive track of the power card, in such a way as to ensure an electrical contact between the heat sink and said track, this part (100) having a face that is accessible from the outside of the device for fixing a lug connecting to a ground cable and/or earth cable.
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
H05K 7/14 - Mounting supporting structure in casing or on frame or rack
54.
AN ASSEMBLY COMPRISING AN ELECTRONIC DEVICE, IN PARTICULAR A VARIABLE SPEED DRIVE OR ALTERNATOR REGULATOR AND TWO ASSEMBLIES OF ELEMENTS OF DIFFERENT SHAPES FOR THE ATTACHMENT OF THE DEVICE
An assembly comprising: - an electronic device (1), in particular a variable speed drive or alternator regulator, comprising a casing equipped with a rear heat sink (10) produced from a metal profile section, for cooling at least one power component, - a first assembly of elements (20) for attaching the device on a support, each comprising at least one tab to be engaged in the profile section by sliding it into the latter, and an attachment lug provided with at least one hole for passage of a screw, - a second assembly of elements for attachment of the device on a support, each comprising at least one tab to be engaged in the profile section by sliding it into the latter, and an attachment lug provided with at least one hole for passage of a screw, the elements being of different shapes.
The invention relates to a system for generating electric power, comprising: an alternator (1) for coupling with a drive system (7), supplying an AC voltage to an output bus (10); a reversible AC/DC converter (2) in which the AC bus (6) is connected to the output bus (10) of the alternator (1); an electricity-storage element (3) connected to the DC bus (9) of the converter (2); a controller (4) arranged to react to a transient state of load-shedding or charging impact by controlling the converter (2) so as to collect energy on the output bus (10) of the alternator (2) and to store same in the storage element (3) in the case of load-shedding, and to collect energy in the storage element (3) and to inject same into the output bus (10) in the case of charging impact, the converter (2) being controlled so as to inject currents to compensate for harmonic currents into the AC bus (10) of the alternator (1).
H02M 1/12 - Arrangements for reducing harmonics from AC input or output
H02J 3/18 - Arrangements for adjusting, eliminating or compensating reactive power in networks
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
H02M 7/72 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
H02M 7/48 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
56.
ALTERNATOR VOLTAGE DIGITAL REGULATOR WITH NFC TECHNOLOGY
Electronic apparatus for a rotating electrical machine, in particular an alternator voltage regulator or variable speed drive, comprising an electronic circuit and a wired bus for exchanging information with the outside, characterised by the fact that the bus is defined by an interface module secured to a card (50) of the electronic circuit and communicating with same via a wireless link.
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
A rotary electric machine that includes a rotor and a stator and is cooled by a stream of air generated by at least one fan. The fan is driven by a main shaft of the machine or by its own drive system. The fan includes main blades (33) for generating a stream of cooling air and, upstream of said main blades, tins which at least partially cover coil heads of the stator in the axial direction.
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 9/04 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
H02K 9/08 - Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
F04D 29/28 - Rotors specially adapted for elastic fluids for centrifugal or helico-centrifugal pumps
F04D 29/32 - Rotors specially adapted for elastic fluids for axial-flow pumps
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
Method for controlling the speed of rotation of an electric motor (M), notably an asynchronous electric motor, by means of a variable speed drive (10) supplied with power by a mains electrical power supply (L1, L2, L3), in which method in a variable speed mode of operation the motor is supplied with power by the variable speed drive (10) and in a fixed speed mode of operation the motor is supplied with power directly by the mains supply, and in which method before the changeover from the supply of power by the variable speed drive to the direct supply of power by the mains supply, the motor is first accelerated by the variable speed drive, the variable speed drive operating beyond its nominal current during the acceleration preceding the changeover.
H02P 1/30 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor by progressive increase of frequency of supply to primary circuit of motor
H02P 3/18 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an AC motor
H02P 23/20 - Controlling the acceleration or deceleration
H02P 1/32 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor by star/delta switching
A drive device for a handling trolley, including: a chassis; a wheel carrier; a drive wheel; a steering motor for rotating the wheel carrier relative to the chassis; a reduction gear connecting the steering motor to the wheel carrier, the reduction gear including a planetary gear set including an internal sun gear, at least one planet gear, and a planet carrier on which the planet gear is mounted, a ring gear surrounding the internal sun gear and the planet gear. The shaft of the steering motor is fixed relative to the internal sun gear, the wheel carrier is fixed relative to either the planet carrier or the ring gear, and the chassis is fixed relative to the other one of the two components.
The invention relates to an assembly for fixing an encoder (40) to a rotating machine, comprising a shaft (11) and a rear bearing support (22) having an opening (24) in which a shaft end (14) is engaged, the assembly comprising an end piece (30) designed to fix to the shaft end and to rotate a rotating part of the encoder, and a sealing part (70) at least partially extending into the opening (24).
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 11/21 - Devices for sensing speed or position, or actuated thereby
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
61.
MACHINE WITH A SYSTEM FOR AXIAL BLOCKING OF THE SHAFT
The present invention concerns a rotary machine (1) comprising: ‐ at least one bearing mount (20); ‐ at least one bearing (10) carried by the bearing mount (20), the bearing comprising inner (11) and outer (12) races and rolling elements (13) between the races; ‐ a shaft (2) engaged in the bearing, axially blocked relative to the inner race; ‐ a pushrod cover (30) arranged on one side of the bearing, having a surface (31) opposite the bearing and having, on its radially outer edge, a bead of material (33) in contact with the outer race (12); ‐ at least one push element (40) moveable transversely to the axis of rotation (X) of the shaft (2) in order to exert a pressure on said surface (31) of the push rod cover in order to press it against the outer race (12) and axially block said outer race.
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
The invention relates to an electromechanical assembly comprising: an alternator with a wound rotor; a regulator acting on the excitation of the alternator; a rectifier at the outlet of the alternator, supplying a rectified voltage to a continuous bus; and a booster circuit connected by means of a filter to the outlet of the alternator and supplying a voltage to the continuous bus.
H02M 7/08 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in parallel
H02M 7/23 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only arranged for operation in parallel
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
F02B 63/04 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for electric generators
Device (1) for cooling at least one power electronics circuit (4), including: - a liquid-cooled heatsink (2); and - an interface plate (3) that is in thermal contact with the heatsink (2) and to which the one or more power electronics circuits (4) are attached, the interface plate (3), including at least one thermosiphon (6), being removably mounted on the heatsink (2) so as to be capable of being separated therefrom with the one or more electronic circuits (4) attached thereto.
Disclosed is a double-casing frame of an electric machine that is cooled by a fluid circulating in the fluid circulation space (26) inside the double casing, said double-casing frame comprising: an inner casing (22) on which an end flange (30) is mounted at the rear of the machine; and an outer casing (24) that fits over the inner casing (22) and can be separated from the inner casing (22) without removing the end flange (30).
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 9/16 - Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle wherein the cooling medium circulates through ducts or tubes within the casing
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
66.
METHOD FOR CUSTOMISING THE OPERATION OF AN ALTERNATOR REGULATOR
The present invention relates to a method for customising the operation of an alternator (4) regulator (5) comprising at least one processor (2) executing a program governing its operation, said regulator receiving input signals and acting on output signals according to at least one control law. The control law is implemented in the regulator (5) by means of a programming interface (3) by inputting at least the coordinates (x, f(x)) of at least two points of said law.
A brake (10) for a rotary electric machine including a rotor having a shaft, the brake including: - at least one fixed armature (34); at least one yoke (31) that can be moved between a position of braking the shaft of the machine and a position in which the shaft rotates freely; at least one coil (33) borne by the yoke; at least one brake disc (20) borne by the shaft of the rotor; at least one elastic return system (38) for applying the yoke against the brake disc in the absence of electrical excitation of the coil, the armature being positioned such that the excitation of the coil causes the yoke to approach the armature and distances the yoke from the brake disc.
The invention relates to a rotary electrical machine (1) comprising a stator, said stator comprising a bundle (10) of magnetic sheets (20) made up of at least one first sub-bundle (50) and at least one second sub-bundle (60) adjacent to the first, the sheets of the first and second sub-bundles each comprising at least one fin (100) formed at the periphery of the corresponding sheet, the fins (100) of two consecutive sub-bundles being angularly offset relative to one another, in such a way as to create a disruption of the flow of a cooling fluid between the fins at the transition between the first and second sub-bundles, the machine also comprising a housing (5) at least partially covering the bundle of sheets (10), in particular a sheet-metal housing, the housing including a metal sheet wound around the bundle (10) of magnetic sheets of the stator.
The present invention concerns an installation for pumping hydrocarbons, including a pump submerged in a well and a motor for driving the pump, said motor being linked to a variable frequency drive powered during normal operation by an external network, the drive including a rectifier supplying a DC bus, an inverter supplied by the DC bus and linked to the motor, and a controller, said installation wherein it further includes an electricity storage element linked by a reversible DC-DC converter to the DC bus, the installation being arranged to ensure the variable frequency drive is supplied by the storage element in case of an interruption to the supply via the external network.
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
F04C 14/08 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the rotational speed
F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
F04D 13/06 - Units comprising pumps and their driving means the pump being electrically driven
F04B 47/02 - Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
F04D 13/08 - Units comprising pumps and their driving means the pump being electrically driven for submerged use
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
F04C 2/107 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
71.
ELECTROMECHANICAL ASSEMBLY COMPRISING AN ELECTRIC MACHINE COUPLED TO A REDUCING GEAR
The present invention concerns an electromechanical assembly (10) comprising an electric machine (20) coupled to a reducing gear (30), the electric machine (20) comprising two bearings or rollers, the reducing gear (30) comprising two bearings or rollers, the reducing gear (30) and the electric machine (20) each comprising a housing (31; 21) comprising means (35) for attachment to the other housing (21; 31), the electric machine (20) and the reducing gear (30) each comprising a shaft (23; 33) engaged in the other, each shaft (23; 33) comprising centring projections (41, 42) produced in such a way that the mutual engagement of the shafts (23, 33) has a centring effect that positions the housings (21, 31) correctly in order for them to be attached by means of the attachment means (35).
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
The present invention relates to a speed reducer comprising a shaft (11) extending along a longitudinal axis, two rolling bearings (16, 17) arranged around the shaft (11), the two rolling bearings (16, 17) each comprising a radially outer ring (19), a radially inner ring (18) and rolling elements (20) arranged between the radially outer and inner rings (19, 18), characterized in that it comprises a preload system positioned in the space between the two rolling bearings (16, 17), this preload system comprising: - two spacer elements (40) each one resting against one of the rings (18; 19) of the rolling bearings (16, 17), - at least one elastically deformable element (41) interposed between the two spacing elements (40), and configured to be able to occupy a preloaded first state and an least partially relaxed second state, the preload system being arranged in such a way that the transition of the said at least one elastically deformable element (41) from the first state to the second state causes a unidirectional rotational movement of each spacer element (40) with respect to the other so as to use a wedge effect to generate preload in the rolling bearings (16, 17).
Electric motor includes a housing provided with an opening equipped with a membrane forming a barrier to liquid water between the inside and the outside of the housing but permeable to water vapor, the stator being liquid cooled and the motor having an internal fan to generate a forced circulation of air inside the motor, the membrane being situated in a region in which the forced circulation of air exposes it on the inside to a pressure higher than atmospheric pressure.
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 9/197 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
F16K 24/04 - Devices, e.g. valves, for venting or aerating enclosures for venting only
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
A rotor for a rotary electric machine includes a magnetic rotor body and at least two permanent magnets defining a pole of the rotor, the two permanent magnets being arranged on either side of a radial axis of the pole in a common recess which is provided in the magnetic rotor body and through which the radial axis of the pole passes.
A rotating electric machine comprising at least one end flange carrying a bearing, and a housing onto which the end flange is attached, said housing being cooled by a liquid cooling circuit and having at least two connectors communicating with the cooling circuit. The two connectors allow the supply and return of cooling liquid to and from the flange when the flange is configured to be cooled by a flow of the cooling liquid.
The invention relates to a rotor of an electrical rotating machine, comprising poles formed from magnetic lamination stacks (10) and electrical conductors wound around each pole, the rotor comprising cooling fins (40) which extend in the extension of the poles, along the rotational axis (X) of the rotor.
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
77.
POWER-GENERATING SYSTEM WITH IMPROVED TREATMENT OF CHARGING IMPACTS, LOAD SHEDDING AND HARMONICS
The invention relates to a system for generating electric power, comprising: an alternator (1) for coupling with a drive system (7), supplying an AC voltage to an output bus (10); a reversible AC/DC converter (2) in which the AC bus (6) is connected to the output bus (10) of the alternator (1); an electricity-storage element (3) connected to the DC bus (9) of the converter (2); a controller (4) arranged to react to a transient state of load-shedding or charging impact by controlling the converter (2) so as to collect energy on the output bus (10) of the alternator (2) and to store same in the storage element (3) in the case of load-shedding, and to collect energy in the storage element (3) and to inject same into the output bus (10) in the case of charging impact, the converter (2) being controlled so as to inject currents to compensate for harmonic currents into the AC bus (10) of the alternator (1).
H02J 3/18 - Arrangements for adjusting, eliminating or compensating reactive power in networks
H02M 1/12 - Arrangements for reducing harmonics from AC input or output
H02M 7/797 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
78.
ROTARY ELECTRIC MACHINE HAVING A TURBINE HAVING INCREASED NEGATIVE PRESSURE
The present invention relates to a rotary electric machine that comprises a rotor and a stator and is cooled by a stream of air generated by at least one fan, the fan being driven by a main shaft of the machine or by its own drive system, said fan comprising main blades (33) for generating a stream of cooling air and, upstream of said main blades, fins which at least partially cover coil heads of the stator in the axial direction.
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
The invention relates to an electric machine comprising a stator, said stator comprising a packet (10) of magnetic sheets made up of at least one first sub-packet (50) and at least one second sub-packet (60) adjacent to the first sub-packet, the sheets of the first and second sub-packets having overlapping portions, which each comprise at least one closed channel formed within the sheets, the sheets being identical but angularly offset relative to one another by an angle 360°/n about the axis of the machine, where n is an integer other than zero, the sheets being asymmetrical by a rotation of 360°/n so that the portions of the sheets thus offset that overlap are not identical and create said disruption of the flow at the transition between the channels of the first and second sub-packets.
H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
The invention relates to an electric machine comprising a stator, this stator comprising a set (10) of magnetic laminations which is made up of at least one first subset (50) and of at least one second subset (60) adjacent to the first the laminations of the first and second subsets having parts which become superposed, each comprising at least one closed channel formed within the laminations, the laminations being identical but angularly offset from one another by an angle 360°/n about the axis of the machine, where n is a non-zero integer, the laminations being without symmetry in a rotation by 360°/n so that the parts of the laminations thus offset which become superposed are nonidentical and create the said perturbation in the flow at the transition between the channels of the first and second subsets.
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
The present invention relates to a rotating electric machine, comprising a casing of substantially cylindrical shape and a terminals box housing (5) fastened to the casing, while substantially hugging the shape thereof, the housing comprising two parts (10, 11) fixed on the casing and linked together by at least one articulation (12) enabling the housing (5) to adapt to the curvature of the casing.
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
A method for producing an electric rotary machine including a rotor magnetic mass formed by a stack of superimposed electrical sheets containing housings, and a plurality of permanent magnets inserted in the housings, the housings being provided with a plurality of lugs for locking the permanent magnets in the housings.
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
The invention relates to an electromechanical assembly comprising an electrical machine (20) coupled to a reduction gear (30), said electrical machine comprising a single bearing (40) at the rear. According to the invention, either the electrical machine or the reduction gear is equipped with a male shaft (33), while the other is equipped with a female shaft (23) mounted on the male shaft. In addition, the shafts have conical bearing surfaces (56, 59), and the assembly comprises an elastically deformable element (90) that biases the bearing surfaces axially relative to one another until they engage with one another.
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
F16D 1/10 - Quick-acting couplings in which the parts are connected by simply bringing them together axially
85.
ELECTROMECHANICAL ASSEMBLY COMPRISING AN ELECTRICAL MACHINE COUPLED TO A REDUCER
The invention relates to an electromechanical assembly (10) comprising an electrical machine (20) coupled to a reducer (30), either the electrical machine or the reducer comprising a male shaft and the other one comprising a female shaft into which the male shaft is inserted, the transmission of the torque between the two being ensured by form-fitting, the shaft of the electrical machine being supported at the rear by a bearing (40), and an elastically deformable damping element (60) being arranged in the female shaft so as to exert an axial force on the portion of the male shaft engaged in the female shaft, said axial force tending to apply an axial load to said rear bearing (40).
F16D 1/10 - Quick-acting couplings in which the parts are connected by simply bringing them together axially
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
A connection between a shaft (11) of an electric machine (10), in particular an engine, and a pinion (30) of a reducing gear (20) coupled to the machine, characterised by the fact that the pinion has a conical bore (31) engaged on the shaft and comprises a stem (33) engaged in a bearing (23) of the reducing gear.
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
F16D 1/092 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hubCouplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces the pair of conical mating surfaces being provided on the coupled hub and shaft
88.
ELECTROMECHANICAL ASSEMBLY COMPRISING AN ALTERNATOR
The invention relates to an electromechanical assembly (100) comprising: an alternator (110) with a wound rotor; a regulator (113) acting on the excitation of the alternator; a rectifier (111) at the outlet of the alternator, supplying a rectified voltage to a continuous bus; and a booster circuit (115) connected by means of a filter (120, 130) to the outlet of the alternator and supplying a voltage to the continuous bus.
H02M 7/23 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only arranged for operation in parallel
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
Electric machine comprising a rotor cooled by a simple disc (23) base fan (20) comprising blades (22), preferably of one piece with the disc (23), and a booster (30) attached to the simple disc fan, this booster (30) preferably comprising a disc (33) positioned facing that of the base fan (20).
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 9/14 - Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
The invention relates to a drive device for a handling trolley, comprising: a chassis (8); a wheel carrier (12); a drive wheel (5); a steering motor (20) for rotating the wheel carrier (12) relative to the chassis (8); a reduction gear connecting the steering motor (20) to the wheel carrier (12), the reduction gear comprising a planetary gear set (60) including an internal sun gear (72), at least one planet gear (92), and a planet carrier on which the planet gear (92) is mounted, a ring gear (78) surrounding the internal sun gear (72) and the planet gear (92). The shaft (69) of the steering motor (20) is fixed relative to the internal sun gear (72), the wheel carrier (12) is fixed relative to either the planet carrier or the ring gear (78), and the chassis (8) is fixed relative to the other one of said two components.
each of said at least two rotors including two mutually coaxial rotor armatures, each bearing claw-poles arranged to interact magnetically with the teeth of the stator, the claw-poles of an armature being arranged circumferentially in alternation with the claw-poles of the other armature.
H02K 16/02 - Machines with one stator and two rotors
H02K 19/24 - Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators with variable-reluctance soft-iron rotors without winding
H02K 21/04 - Windings on magnets for additional excitation
H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
H02K 19/10 - Synchronous motors for multi-phase current
09 - Scientific and electric apparatus and instruments
Goods & Services
Electrical engineering and electronic apparatus and instruments, namely, electrical current regulators and voltage regulators and electronic voltage regulators; electric apparatus and instruments, namely, electrical equipment in the nature of electrical adapters, photovoltaic solar cells for electricity generation, meters, batteries; fixed-frequency and variable-frequency inverters being static or rotary; voltage stabilizing sets, namely, sets comprised of voltage stabilizers and cases specially adapted to carry voltage stabilizers; measuring apparatus, namely, electrical measuring apparatus in the nature of ammeters; control tools, namely, computer controls for the operation of machine tools; monitoring tools, namely, battery monitors; regulation tools, namely, voltage regulators
Range of coupling devices (10) providing coupling between a reduction gearbox and an electric machine, each coupling device (10) comprising a collection of the following three main components: a connecting shaft (20) intended to connect an input/output of the reduction gearbox and a shaft of the electric machine, a casing (11) supporting rolling bearings (12, 13) that guide the connecting shaft (20), a counter flange (30) assembled with the casing (11) and configured to be fixed to one of the components that are the reduction gearbox and the machine, the casing (11) being configured to be fixed to the other of the components that are the reduction gearbox and the machine, the range comprising at least two coupling devices (10) which differ in terms of the dimensions and/or shape of at least one of said main components (11; 20; 30) and of which at least one of the other main components (11; 20; 30) is the same, it being possible for one and the same casing (11) of the range to be fitted equally well to at least two different counter flanges (30) of the range and/or for one and the same counter flange (30) of the range to be fitted equally well to at least two different casings (11) of the range.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
The present invention concerns an electric machine (1), in particular an alternator, intended to be coupled to a driving or driven machine, in particular a heat engine, comprising: —a coupling flange (20) for coupling to the driving or driven machine, housing a fan (30) driven by the rotor, said flange comprising: —a rear portion (21) linked to a fixed portion (10) of the electric machine, —an interfacing front portion (22) interfacing with the driving or driven machine, said interfacing front portion being mounted on the rear portion (21), the front portion (22) having a central opening, the fan having a diameter greater than that of the central opening, —at least one air deflector secured to the flange (20).
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
A rotating electric machine including: —a magnetic mass, in particular rotoric, including first housings, —a plurality of permanent magnets inserted into the first housings, each permanent magnet having two polar faces, and —nonmagnetic shims inserted into the first housings and/or into second housings formed in the magnetic mass, —the shims being configured to cause a deformation of the first housings reducing the parasitic air gap between at least a polar face of a permanent magnet and the corresponding wall of a first housing.
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
An electrical machine for driving a pulley, including: a shaft whereon the pulley is mounted; a motor for driving the shaft; at least one brake; a first front bearing for supporting the motor, the first front bearing being arranged on one side of the pulley, carrying a front ball bearing and being supported by at least one damping element; and a second front bearing arranged on the opposite side, carrying at least one ball bearing and supported by at least one damping element. The machine does not contain a rigid connection between the first front bearing for supporting the motor and the second front bearing.
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 11/20 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
97.
BRAKE FOR AN ELECTRIC MACHINE AND ELECTRIC MACHINE PROVIDED WITH SUCH A BRAKE
The present invention relates to a brake (20) for an electric motor (10), comprising: a yoke, at least one brake disc intended for being rotated with the shaft of the electric motor, at least one armature axially movable relative to the yoke between a braking position in which said armature is applied against the brake disc and an inactive position at a distance from the brake disc, at least one retaining element (50) axially movable with the armature, at least one spring tending to maintain the armature in braking position, an electromagnet biasing the armature into the inactive position when supplied with current, and a system for locking the armature in the inactive position, the locking system comprising a locking member (70) movable between a locked position in which said member engages with the retaining element (50) such as to retain the armature in inactive position against the return action of the spring and an unlocked position for releasing the armature allowing the armature to be returned into the braking position, the retaining element (50) comprising a rod (51) sliding in the yoke, the locking member (70) being rotatable about an axis of rotation parallel to that of the motor, the brake comprising an electrical actuator making it possible to move the locking member.
B60T 1/06 - Arrangements of braking elements, i.e. of those parts where braking effect occurs acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission
F16D 65/18 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
B60T 13/04 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with mechanical assistance or drive by spring or weight
H02K 7/102 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
The present invention relates to a rotor (1) for a rotary electric machine (10), comprising a magnetic rotor body (3) and at least two permanent magnets (7) defining a pole (11) of the rotor (1), the two permanent magnets (7) being arranged on either side of a radial axis (Y) of said pole in a common recess (8) which is provided in the magnetic rotor body (3) and through which the radial axis (Y) of the pole passes.
The present invention relates to a stator (2) for a rotary electric machine (10), comprising: a toothed ring (25) comprising teeth (23) defining notches (21) therebetween, said notches being open radially toward the outside, windings (22), which are arranged in a distributed manner in the notches (21), electrical conductors being arranged in an aligned manner in the notches (21), and a yoke (29) mounted onto the toothed ring.
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 15/085 - Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
H02K 15/06 - Embedding prefabricated windings in the machines
The present invention relates to a rotor (1) for a rotary electric machine (10), comprising permanent magnets (7) defining magnetic poles (11) of the rotor, i.e. a first pole and a second pole adjacent to the first pole, the first and second poles having different polarities; permanent magnets (7) assigned to the first pole contribute only to the polarity of the first pole, and at least one shared permanent magnet (7) contributes in part to the polarity of the first pole and in part to the polarity of the second pole.
