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WO/2003/092142A1 |
The invention relates to an electric drive system for a vehicle, on which a drive wheel is rotationally mounted on the frame of the vehicle in a direct or indirect manner. The inventive system contains: a force transmitting unit consisti...
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WO/2003/092143A1 |
The invention relates to an alternating or rotating field synchronous motor with an electromagnetic stator and a permanent magnet rotor, the permanent magnetic material of which is in the form of one or several band-, ring-, segment- or ...
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WO/2003/091737A1 |
The invention relates to a method and a device for determining the rotational speed and/or rotational direction and/or the position of a shaft in an electric motor. The invention is characterised in that a magnetic field generator is cro...
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WO/2003/088453A1 |
The invention relates to a drive arrangement with a unit comprising stator, rotor and fixed bearing in which a shaft of the motor is mounted, housed in a motor housing. An injection moulded piece comprises a plug piece on an external ann...
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WO/2003/085805A2 |
A rotating electric machine comprising a stator having a first group of windings; a power source for selectively energizing the first group of windings; and a rotor having a first permanent magnet to be magnetically coupled with said fir...
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WO/2003/085806A1 |
A rotary direct current electric motor in which rotor and stator members are each configured as annular rings, concentric with respect to each other, about an axis of rotation. Either of the rotor or stator members is formed of groups of...
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WO/2003/085807A1 |
A rotary electric motor in which rotor and stator members are each configured as annular rings, concentric with respect to each other, about an axis of rotation. Either of the rotor or stator members is formed of groups of electromagnet ...
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WO/2003/084034A1 |
A permanent magnet buried concentrated winding motor, wherein when a plurality of status teeth (2a, 2b, 2c, ...) are classified into, for example, three groups (2, 3, 4) with the plurality of adjacent status teeth allowing windings (6) t...
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WO/2003/079520A1 |
An securing structure of the field coil of a DC brushless motor that provides an internal mounting structure in which a stabilized bonding strength is attained while rationalizing the bonding work process. The inner rotor magnet type DC ...
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WO/2003/075434A2 |
The invention relates to a linear actuator consisting of a brushless polyphase synchronous electric motor (2) comprising a stator (3) and a rotor (4). Said rotor acts on a control element (O) via drive means (5) which can transform the r...
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WO/2003/075438A1 |
An AC electric machine for vehicle comprises an AC electric machine body (100) having a rotor (10) provided with a first rotary shaft (12) rotatably supported by a pair of bearings (16 and 17), a rotor core (8) fixed to the first rotary ...
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WO/2003/073598A1 |
An electrical rotating machine comprises an inverter drive system (18) wherein alternating current comprising more than three phases is produced from the inverter drive system (18). The machine further includes a stator (10) comprising a...
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WO/2003/071670A1 |
A Polyphase induction motor is operated by an inverter drive system comprising a logic level controller. A number, preferably twelve or more, of independently driven phases causes harmonic fields , up to a number equal to the number of p...
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WO/2003/069765A1 |
The invention relates to an electronically commutated internal rotor motor (20) which comprises an external stator (28) and a permanent magnet rotor (36) rotatably disposed therein and received on a shaft (40) that is rotatably mounted o...
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WO/2003/066262A2 |
A method of assembling a power tool, a power tool, a method of assembling an electrical device (100), and an electrical device (100) includes a switched reluctance motor (10). The electrical device is preferably a hand-held power tool, h...
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WO/2003/065551A1 |
An axial gap electric motor comprises a base (10), a shaft (14), a stator frame (12), a plurality of electromagnet units (19), bearings (11A, 11B), a rotor frame (13) spaced at a predetermined distance from the stator frame (2), a plural...
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WO/2003/065543A1 |
A device such as an electric motor, an electric generator, and/or a regenerative electric motor that includes a plurality of independent energizable electromagnetic assemblies. Each independent electromagnetic assembly has an associated ...
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WO/2003/065546A2 |
An electric motor (10) is disclosed, the motor (10) comprising a plurality of rotors (12) and a plurality of stators (14). Each rotor (12) has a drive shaft (16) mounted in bearings (18) and a pinion gear (20) is mounted on each shaft (1...
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WO/2003/065549A1 |
An axial gap motor comprises a base (10), a shaft (14), a stator frame (12), electromagnet units (19), bearings (11A, 11B), a rotor frame (13) disposed at a predetermined distance from the stator frame (12), permanent magnet units (18) o...
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WO/2003/058796A1 |
The invention relates to a miniature fan or a micro-fan (200). Said fan comprises a fan housing (150), through which a substantially annular air duct extends in an axial direction, an electronically switchable external-rotor motor (202) ...
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WO/2003/055038A1 |
An electronically commutated brushless motor (10) including a motor housing (14), a bulge (18) formed in a sidewall of the motor housing (14), and a capacitor (86) assembly housed in the bulge (18). The capacitor (86) assembly includes a...
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WO/2003/055044A1 |
An electronically commutated brushless motor (10) including a housing (14) for accurately angularly aligning a position sensor (74) relative to a position of a stator (30). The housing (14) includes an integrally formed bridge (703) for ...
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WO/2003/055037A1 |
A small flat motor capable of suppressing an installation height due to a reduced thickness, reducing the number of parts to reduce a cost, and increasing a reliability, comprising plate-like extension flanges (170a) to (170d) outwardly ...
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WO/2003/055039A2 |
The invention relates to an encapsulated motor that comprises a rotor with a rotor shaft, a casing with a cylindrical wall, closed at the front end, and a stator, the cylindrical wall of the casing being inserted between the rotor and th...
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WO/2003/052906A2 |
The invention relates to a brushless electric motor, comprising a rotor magnet, a coil device for electromagnetically driving the rotor magnet, a rotor shaft, for transmission of a rotational displacement, fixed to the rotor magnet and r...
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WO/2003/052901A1 |
The motor (23) of a hoist is equipped with a rotor core (33) having incorporated therein permanent magnets (37) for forming magnetic poles. The inner peripheral surface of each magnetic pole of the rotor core (33) is convex so that a gap...
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WO/2003/050931A1 |
A double insulated electronically commutated brushless motor for coupling to a gearbox of a motor driven product. The motor includes a first layer of electrical insulation that includes a plurality of insulating strips (122) formed in th...
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WO/2003/049255A1 |
Disclosed is an improved flat vibration motor to be disposed in a mobile communication terminal, etc., for generating a vibration signal. A brushless-type vibration motor without brushes and a commutator is adopted, instead of a brush-ty...
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WO/2003/049273A1 |
In the embodiments described in the specification, a permanent magnet machine (10) includes a stator (14) having windings (16) which intercept flux received from peripheral pole pieces (20) in a rotor (12) generated by permanent magnets ...
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WO/2003/049259A1 |
A radial gap motor comprising a base (10), a shaft (14), a stator frame (12), a plurality of electromagnet units (19), bearings (11A, 11B), a rotor frame (13), a plurality of permanent magnet units (19), bearings (11A, 11B), a rotor fram...
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WO/2003/049274A1 |
An electronically-commutated motor is disclosed, comprising an inductive and/or capacitive rotor position determination, which records a surface area in which the stator and rotor poles (10-15; 17-20) are opposite each other. The total a...
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WO/2003/047071A2 |
A rotary brushless electric motor is formed within a cylindrical rotor housing structure that surrounds an annular stator ring. The stator is formed of a plurality of individual power modules and corresponding core segments, each module ...
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WO/2003/047072A1 |
Disclosed is a multiphase brushless DC motor of a concentrated winding type having shunt connection, and a circuit for controlling the same. The brushless DC motor comprises a rotor made up of a permanent magnet with M number of poles, a...
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WO/2003/031842A1 |
A power transmission device (10) for an electric power steering device (1) intended to achieve reduced cost, small size, weight reduction, and responsiveness during power transmission and to prevent occurrence of noise, comprises a motor...
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WO/2003/030332A2 |
The invention relates to an electric motor, especially an electronically commuted d.c. motor, comprising a stator and a rotor. The stator and the rotor are coaxially arranged in relation to a longitudinal axis of the electric motor. Said...
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WO/2003/028194A1 |
An arrangement of magnetic field strength detectors useful for the communication and/or control of a linear electric motor is provided in which the arrangement either comprises a set of at least two detectors (12, 13, 14) separated from ...
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WO/2003/028191A1 |
A brushless vibrating motor comprises a base member having a placement surface and a parts mount surface, a circuit board disposed on the parts mount side of the base member, a flux plate, two coils, a Hall element, a shaft disposed betw...
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WO/2003/028192A1 |
A brush-less motor includes a rotor with a magnet alternately magnetized N pole and S pole in a rotating direction, and a core with plural salient poles on which coils are wound. The core faces the magnet to form a magnetic circuit. Each...
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WO/2003/026106A1 |
The invention relates to an electronically-commutated electric motor with a permanent magnet, magnetised with multiple poles, several flux guide units, each comprising at least one flux receiver section and a flux concentration section, ...
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WO/2003/026105A1 |
A method for determining a dimension in a motor is described. By applying Fourier analysis, a sequence of terms is obtained. Since the fifth harmonic is the most undesirable term, the minimization of the fifth harmonic term will make res...
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WO/2003/025516A1 |
A rotation sensor which easily reduces output ripples markedly. An output signal of a rotation sensing means (C1) is converted to a rotation angle and an angular velocity by a rotation angle sensing section (45) and an angular velocity s...
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WO/2003/023114A1 |
A direct−drive washing machine capable of performing washing operation by efficiently converting an electric energy inputted into a motor (10) into the mechanical energies of water and cloths or with less vibration and noise, wherein, ...
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WO/2003/015246A1 |
The object of the present invention is to provide a low-noise and low-vibration brushless motor and an electric appliance and a vehicle which have the brushless motor and increase in quietness, by optimizing a ratio of the number of pole...
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WO/2003/015239A1 |
A travel motor used for vehicles comprises a stator, a rotor, and a housing holding them, the rotor having a support member for preventing a rotor magnet from separating from a steel sheet lamination, the steel sheet lamination having a ...
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WO2001076044B1 |
The invention relates to a method for controlling a reluctance motor comprising a rotor (1) and a stator (10) which is provided with individual stator coils (22). A predefined current flows in the coils (22) according to the load of the ...
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WO/2003/009453A1 |
The invention concerns a polyphase motor (1) consisting of a fixed part or stator (2) energized by electric coils (3) and a mobile part or stator (4) including N pairs of poles (5) radially magnetised in alternate directions, N being not...
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WO/2003/005530A2 |
An integrated position resolver for hybrid synchronous electric motors. The present invention represents new improved integrated position resolver for hybrid synchronous electric motors which uses the magnetic flux of the motor also for ...
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WO/2003/005537A1 |
An electric motor has a stator and a roto. The stator (1) comprises an annular armature (5) having a plurality of poles (7) evenly spaced about the inner circumferential surface of the armature (5) and directed towards a central longitud...
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WO/2003/003547A1 |
A brushless DC electric motor (Figures 1A and 3) includes a magnetic rotor (5) and a stator (1). The stator (1) has at least one circuit board (3) with circumferentially arrayed of coil windings (2) etched in circuit board metal layers.
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WO/2003/001216A1 |
The invention relates to a device for generation of a signal dependent on rotational speed, or a tachogenerator, comprising several magnet elements of alternating polarity, arranged as a distribution around the circumference of the rotor...
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