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WO/1987/003431A1 |
For cooling a known electric generator a floating oil transfer tube was utilized, which was unsuitable for cooling a rectifier assembly within the generator. This problem is solved by a cooling arrangement (10) for the electric generator...
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WO/1987/000704A1 |
Difficulties in cooling the rotor (28) of a dynamoelectric machine carrying a rotating rectifier (54) are avoided by providing a coolant inlet (68) extending to the interior of a rectifier housing (50) through which the coolant may flow ...
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WO/1987/000703A1 |
An alternator assembly having a rotor winding (18, 20) and a stator winding (38, 40) and an associated output rectifier (24), the stator winding (38, 40) being located in outwardly facing slots in a laminated iron stator core.
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WO/1986/006891A1 |
A reluctance motor comprises a stator having two salient poles (11, 12) and a rotor (16) also having two poles (26, 27) and being of soft magnetic material. The stator poles (11, 12) support windings (13, 14) which when being supplied wi...
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WO/1986/005041A1 |
A synchronous electric motor adapted for connection to a variable frequency solid-state supply and having rotor and stator windings so arranged that the conductor per slot density distribution of the rotor coils is preferentially designe...
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WO/1986/003906A1 |
A regulated chopped DC power supply comprising an alternator with a stator and a rotor, the alternator having a three-phase winding for providing a high voltage output (0/1, 0/2, 0/3) and a star-connected three-phase winding for providin...
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WO/1986/003907A1 |
A variable speed constant frequency generating system (50) for generating constant frequency electrical output power from a variable speed source of motive power (60) includes an exciter (52) for generating excitation current, a main gen...
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WO/1986/003901A1 |
An hysteresis ring comprises a jacket (2) made of hard magnetic alloy radially held and centered about a shaft by a ring disc-like bottom part (1) which may be made of a non magnetic alloy. A joint and clamp connection, achieved by a rol...
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WO/1986/003630A1 |
Resistance to centrifugally acting forces in an axially and radially compact rectifier assembly particularly suited for mounting in a rotary component of a dynamoelectric machine is achieved in a full wave, three phase rectifier assembly...
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WO/1986/003352A1 |
An in-line integrated drive generator including a constant speed drive unit having an input shaft (10) defining an axis, an output including a differential (12) on the axis and a control (44, 46,48, 50, 52, 54, 56, 58, 60, 62, 64, 66) in...
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WO/1986/001035A1 |
A rotatable rectifier assembly for use in a brushless generator. A housing (40) receives a stack of heat sinks (56-68) which are both thermally and electrically conductive and which sandwich diode wafers (78) making up a multiple phase, ...
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WO/1985/004058A1 |
It comprises a stator (61) provided with a polyphase winding (63) with 2p poles and comprising n teeth (65) per pair of poles, and a rotor provided with 2 (n+1) magnets (65) per pair of poles, arranged facing the air gap (67) and radiall...
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WO/1985/003390A1 |
A rotary rectifier assembly including a shaft (38) adapted to be rotated. Three equally angularly spaced phase conductors (68) are disposed about the shaft (38) and insulated (by 66) with respect to each other and with respect to the sha...
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WO/1985/003174A1 |
The proposed induction motor comprises a permanent magnet rotor and a stator which is electromagnetically energized by an alternating field. Between a rotatingly free inner part (16) of the permanent magnet rotor and the stator poles (11...
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WO/1985/002951A1 |
A reluctance motor with windings for one or more phases, and arranged - for each phase - around two or more poles (3, 4, 5, 6). The stator (1) surrounds a rotor (2) incorporating two or more rotor poles (11). The invention is characteriz...
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WO/1985/002948A1 |
A microcomputer implemented apparatus and method for detecting the occurence of a shorted diode in the rotating rectifier (16) of a brushless alternator (10, 11, 12, 13, 14). The alternator current (IA, IB, IC), voltage (VA, VB, VC) and ...
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WO/1985/001159A1 |
A rotary electric machine including a stator (10) with a rotor (18) journalled for rotation within the stator about an axis and carrying an electric conductor (24, 26). The resistor (44) is mounted on the rotor (18) and is electrically a...
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WO/1985/000475A1 |
The cooling efficiency in a rotary electric machine is improved by providing direct contact between the coolant and the sources of heat while preventing high drag loss from coolant entering the air gap between the moving and stationary p...
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WO/1985/000254A1 |
An axially and radially compact rectifier assembly for installation in alternator rotors (16). The assembly includes two spaced plates (30, 32), each mounting diodes (50) which are arranged to extend axially toward the plate on which the...
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WO/1985/000078A1 |
A D.C. excited rotor winding arrangement for a dynamoelectric machine comprises at least one closed loop (1, 2, 3) of three or more series-connected winding sections (10, 11, 12, 13, 16, 17, 18, 19, 20, 21, 22, 23) with at least three cu...
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WO/1984/003400A1 |
Electromotive machine of the type having a stator (14) and a rotor (15). The stator is provided with multiple sets of windings (quadrants 1:4, Fig. 1), each independently electrically coupled to an electrical means to establish separate ...
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WO/1984/001478A1 |
Brushless alternator volumetric efficiency is improved while increasing the radial field core dimension, thus preventing saturation and providing maximum alternator output. The alternator (10) has a stationary field coil (25) and field c...
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WO/1983/001541A1 |
A synchronous electric machine (alternator or motor) comprises a fixed superconductor inducer (10) and an armature which is also fixed and intended to be travelled by multiphased alternating currents during operation. A rotor (11) carrie...
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WO/1982/003734A1 |
Apparatus for controlling high voltage by absorption of capacitive vars, comprising a stator (10) having a core and a three phase winding (14) connected to the high voltage, and a rotor (12) having magnetic material (20) exhibiting a sha...
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WO/1982/001966A1 |
In an AC generator having a cooling fan (1) mounted adjacent to the outer peripheral end surface of a front bracket (2), there are provided a plurality of intake vents (22) formed on the peripheral surface of the cylindrical portion (2a)...
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WO/1982/001967A1 |
A dynamoelectric machine of the type having a distributed armature winding (18) in a cylindrical rotor (16) wound to form axial and substantially radial winding portions and including permanent (22) and/or electromagnets (32) to form rad...
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WO/1982/000737A1 |
An electric generator for feeding both with alternating or direct current power a battery and a plurality of electric devices in a vehicle or the like. Fixed next to each other on a rotating shaft (5) are a first rotator (2) having a fir...
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WO/1981/003091A1 |
An electric machine comprises a polyphase armature winding (6), a superconducting inductor (4) and a polyphase compensating winding (3) composed of sections (10). Each phase of the winding (3) is connected, through a sliding contact, to ...
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WO/1980/002216A1 |
When generating three-phase fifty cycles current by means of a generator with a rotor having no winding there are several ways of carrying out such a generator for which the three-phase properties are obtained thereby that the number of ...
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WO/1979/000187A1 |
Synchronous machines for which, for reason of size or physical arrangement, normal excitation arrangements are not practicable. The invention provides a synchronous machine having a brushless A.C. exciter whose armature comprises a serie...
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JP2024049505A |
The present invention provides a magnetic fluid motor in which a chain cluster can be applied to the motor. [Solution] A magnetic fluid motor has a coil wound around each of a plurality of teeth, and a first magnetic field generation par...
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JP7455697B2 |
To provide a rotor of a rotary electric machine with improved starting characteristics without reducing the reluctance torque.A rotor according to an embodiment includes a shaft 22 that can rotate around the central axis, a rotor core 24...
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JP2024037054A |
[assignment] To reduce vibration and noise caused by fluctuations in magnetic force when switching the magnetic poles of the stator teeth of an SR motor. [Solution] It consists of a stator (10) with protruding stator teeth (12) around wh...
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JP2024037055A |
[assignment] To reduce vibration and noise caused by fluctuations in magnetic force when switching the magnetic poles of the stator teeth of an SR motor. [Solution] It consists of a stator (10) with protruding stator teeth (12) around wh...
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JP7444855B2 |
A claw-pole motor having a rotor assembly orientated about a longitudinal axis, a stator assembly having a first plurality of stator teeth and a second plurality of stator teeth orientated radially about the longitudinal axis and extendi...
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JP7442954B2 |
The purpose of the present invention is to reduce a magnet cost while maximizing output torque of a permanent magnet synchronous machine. Therefore, the permanent magnet synchronous machine 100 according to the present invention includes...
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JP2024028092A |
[Problem] To create a dual-feed rotating electric machine that can achieve significantly high output, high efficiency, and high power factor, enable variable speed operation over a wide range, and further increase output per weight throu...
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JP2024509201A |
The stator defines a plurality of stator poles with associated stator windings. The rotor defines a plurality of fixed rotor poles with associated teeth comprising ferromagnetic material. The fixed rotor poles have associated rotor windi...
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JP2024022904A |
[Problem] To prevent the permanent magnet from being demagnetized due to heat during the die-casting process in a rotor core in which both a squirrel cage conductor for self-starting and a permanent magnet are provided. Enables sufficien...
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JP7432060B2 |
An electric machine includes a stator defining multiple stator poles with associated stator windings configured to receive a stator current. The electric machine also includes a rotor defining multiple fixed rotor poles with associated r...
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JP7427509B2 |
To improve distortion of an output waveform of a single phase two-wire output part of an AC generator.A three-phase winding connected in a Y-connection in a phase difference of 120° as a center of a neutral point, and a single phase win...
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JP7427019B2 |
The present disclosure provides a direct starting synchronous reluctance motor rotor, and a motor. The direct starting synchronous reluctance motor rotor comprises: a rotor core provided with a plurality of slit grooves, two filling groo...
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JP7424842B2 |
A rotating electric machine includes a non-rotating member, a stator fixed to the non-rotating member, a field coil fixed to the non-rotating member, disposed on an inner diameter side of the stator, and having an iron core and a winding...
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JP2024502179A |
A stator arrangement comprising a plurality of circumferentially arranged stator modules, each stator module axially arranged and spaced apart terminating in an inwardly facing curved stator pole face mated with a lumped armature winding...
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JP7412476B2 |
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JP2024002155A |
The present invention provides a switched reluctance motor that can improve torque characteristics while suppressing increase in size and manufacturing cost. [Solution] A stator 3 having a plurality of salient stator poles 10, a rotor 4 ...
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JP7410533B2 |
A center surface portion (31) among a wall surface (30) radially inward of a cavity portion (21) is formed as recessed in relation to a rotation center (Q) of a rotor core (11). The center surface portion (31) includes a section near a f...
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JP7408628B2 |
An electric motor has a stator defining multiple stator poles with associated electrical windings, and a rotor having multiple rotor poles. The rotor has flux barriers between adjacent rotor poles, the flux barriers each having a materia...
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JP2023171273A |
To provide a synchronous electrical machine, and a boat comprising such a machine.A synchronous electrical machine 8 comprises a stator 9 and a winding rotor 10. The stator has a plurality of phases, each phase comprising coils 13 connec...
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JP2023168798A |
To obtain a rotor of a synchronous reluctance motor having a simple structure and low cost and capable of realizing balance adjustment and suppression of axial deformation of a rotor core.A rotor 30 includes a cylindrical rotor core 31 i...
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