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Patent Searching and Data


Matches 601 - 650 out of 15,924

Document Document Title
WO/2007/012370A1
An electric motor has a stator (224) with a bearing tube (238) of a magnetically transparent material, also a rotor (222) with a rotor shaft (234), which is at least partially mounted in the bearing tube (238), and a magnet ring (250), w...  
WO/2007/010934A1
A composite motor includes: a rotor of at least for polarities in which N pole and S pole are alternately arranged in the circumferential direction; a stator core having stator magnetic circuits which are magnetically separated in a rang...  
WO/2007/000114A1
A brushless motor includes a rotor and a stator. Each of the paired poles of the stator electromagnetic members corresponds to one of the two magnetic poles of the rotor magnetic assembles. Two radial component air gaps are arranged betw...  
WO/2006/137498A1
An engine (10) equipped with a generator (20) is provided. The stator (24) fixed to the crankcase (12) includes a plurality of iron cores (32a to 321) arranged in the circumferential direction about the crankshaft (16), and coils (33) th...  
WO2005038754A3
A self-rotating enclosure (6) containing an electric motor (4) particularly suited for use in very low power and low speed applications, including a counter-torque producing magnet (34). The motor comprises magnets (M3,M4) which generate...  
WO/2006/126552A1
A motor includes: a rotor having a rotor magnetic pole group having N poles and S poles alternately arranged in the circumferential direction; N (N is a positive integer) stator magnetic pole groups having a plurality of stator magnetic ...  
WO/2006/120392A1
A vibration device comprises a motor having a stator and a rotor each having one or more magnetic elements. A magnetic element on at least one of the rotor and the stator comprises an electromagnet which can be supplied with an electric ...  
WO/2006/119938A1
The invention relates to a module (11) for a brushless, multiphase electric motor. Said module (11) comprises a plastic support member (12) that is provided with plugs (19-22) and supports (25-27) for fastening a Hall sensor, which are i...  
WO/2006/114350A1
The invention relates to an electric machine comprising a rotor, a claw-pole stator (11) which surrounds the rotor, and a unit detecting the rotor position. According to the invention, a flux barrier (12) is provided in the area of a sen...  
WO2006058871A3
The invention relates to a permanently excited synchronous machine (1) comprising a rotor (3) and a stand (2) which contains a three-branched winding system (8) which comprises tooth coils. The stand (2) has a total of three or six groov...  
WO/2006/105694A1
A brushless motor for car fuel pump, which includes a motor base. A main rotor and a main stator are arranged in the motor base, said main rotor is a permanent magnetic rotor, and the main stator is a core-winding stator. A position sens...  
WO/2006/103132A1
The invention relates to a position sensor system for detecting an absolute relative position of a rotor axis (4) of an electric motor (1) in a predetermined angular resolution W. Said system comprises: a first Hall sensor device having ...  
WO2005096715A3
The present invention provides a fan apparatus which can reduce noise and enhance fan efficiency by employing a BLDC motor (6) that can make stable drive of the fan (50) and increase an air flow rate, and an outdoor unit (10a) of a front...  
WO/2006/082134A1
In order to effect a force ripple compensation in a linear motor, this motor is provided with a KWA tooth (2) (force ripple compensation tooth), which has a predeterminable width bKWA, is situated at a distance from the normal air gap $g...  
WO/2006/082135A1
The invention relates to a stator for an electric machine, which has a core comprised of laminated sheet metal (1), the pole teeth (2) of each laminated sheet metal (1) of the core being connected to one another via respective webs (3). ...  
WO/2006/064089A1
In the present invention the positions of the slots or poles of the stator of an electric motor are changed in order to reduce the harmonics caused by the stator winding and any vibration caused by these harmonics. In the present inventi...  
WO/2006/062589A1
A method and apparatus for determining a fault in an electric motor (50) determines a calculated star voltage (Vstar-calc) of the electric motor. The calculated star voltage (Vstar-calc) is compared to a measured star voltage (Vstar-meas...  
WO/2006/060960A1
A fully enclosed unit laminated DC motor is provided, the core of which is laminated by n disc shaped motor units and is impenetrated by a motor shaft. These laminated motor units are alternately laminated by rotors and stators. Each of ...  
WO/2006/058871A2
The invention relates to a permanently excited synchronous machine (1) comprising a rotor (3) and a stand (2) which contains a three-branched winding system (8) which comprises tooth coils. The stand (2) has a total of three or six groov...  
WO/2006/053927A1
The invention relates to an electric motor. The inventive motor is characterised in that it generates a motor electromagnetic torque by directly applying the magnetic fields produced in the stator to the magnetic fields of the rotor (1)....  
WO2004084399A3
System, method and apparatus for commutating a multiphase motor utilizing a single sensor. Commutation is carried out by employing a sensible system which incorporates phase commutating transition attributes. A motor is started by assign...  
WO/2006/040235A1
The invention relates to a sensor device (1) for measuring a magnetic field in the region of a primary part (5) of a permanently excited electrical machine or a corresponding primary part. Said primary part (5) comprises teeth (9). The i...  
WO/2006/036201A1
A printed circuit board motor is disclosed. The motor (10) comprises a rotor plate (31) embedded with magnets (40), an axle (50), and a printed circuit board stator (20). The printed circuit board (20) comprises two conductors printed on...  
WO/2006/032639A2
The aim of the invention is to reduce ripple forces in a magnetic levitation transport system to the greatest extent. In one solution, grooves extending transversally to the longitudinal direction are diagonally oriented in a magnet bloc...  
WO/2006/028234A1
A motor comprising an annular magnetic path armature (24) having coils (1a-1c) that are wound in the same direction around an armature iron core forming an annular magnetic path, are high in direct-current resistance, and are connected i...  
WO/2006/012690A1
A charged stator alternator (100) comprising a stator (3), a rotor (2) and switching means (11a, 11b, 18a, 18b), the stator comprising an excitation winding (5) having a first and a second input and comprising a plurality of stator charg...  
WO2005117243B1
The invention relates to a synchronous electromechanical transformer that can be used as a multi-phase motor and generator, has a high specific torque, a small or negligible stop moment, a small moment irregularity, can be quietly operat...  
WO/2006/008533A1
An air bearing spindle comprising a shaft (1) journalled, by virtue of an air bearing, for rotation within a sleeve (3) and a motor for driving the shaft releative to the sleeve, wherein the motor comprises stator windings (7) and the sh...  
WO/2006/001655A1
The present invention is related to a motor (60) for a washing machine, in which an insulator (116) structure is changed so as not to expose a coil (114) to an outside of the stator (110) for preventing accidents of electric shock caused...  
WO/2006/001262A1
A motor (1) comprising, provided on the same substrate (16), a drive circuit for controlling current supply to the armature winding (2) of a stator (10) to drive a rotor (3), capacitor (12) for smoothing voltage applied to the armature w...  
WO/2006/000131A1
The invention provides a brushless DC motor with improved structure of a hall element. It includes motor housing, in which has a rotor and a stator. The character is that a circuit board is arranged on the rear end shield of the housing....  
WO/2005/124977A1
The invention relates to an electric machine (10) comprising a sensor (42) and a transmitter wheel (46) from which the sensor (42) axially taps a signal, a front surface (48) of the sensor (42) being adjacent to an annular surface (50) o...  
WO/2005/119888A1
A brushless DC motor apparatus includes a housing and a stator assembly coupled to the housing. The apparatus further includes a magnetic rotor assembly configured to rotate within the housing in response to electric currents through win...  
WO/2005/119884A1
A rotation detector with a built-in motor and a method of manufacturing the rotation detector. The rotation detector comprises a metal part formed by drawing a metal material. The metal part is formed by forming a shaft insert hole for i...  
WO/2005/117243A1
The invention relates to a synchronous electromechanical transformer that can be used as a multi-phase motor and generator, has a high specific torque, a small or negligible stop moment, a small moment irregularity, can be quietly operat...  
WO/2005/117244A1
The invention relates to a polyphase rotating electrical machine which can be used in an internal combustion engine vehicle as (i) an electric generator and (ii) an electric motor for starting the internal combustion engine. The inventio...  
WO/2005/114815A1
The invention relates to a starting device for an electric power generator as a unit consisting of an internal combustion engine and a generator, in which the rotor (17) of the generator is connected to the crankshaft (1) of the internal...  
WO/2005/114816A1
A motor (1) comprising a stator (2), a rotor (3) having a field permanent magnet (6), a terminal base (21) fixed on the stator, and a magnetic detecting circuit for detecting the magnetism of the field permanent magnet thereby to detect ...  
WO/2005/112225A2
The invention relates to an internal armature motor, comprising a stator (10) and a rotor (40), mounted such as to rotate within the stator (10), whereby connector contacts are arranged on the stator (10), characterised by a contact supp...  
WO/2005/107049A1
A brushless motor is provided with a housing; a bracket for covering an opening part of the housing; a resolver case attached to the bracket for storing a resolver stator of the resolver; a claw part, which is provided on the resolver ca...  
WO/2005/107048A1
The invention relates to electrical engineering, in particular to valve electric drives fed by a DC-voltage source. The inventive valve electric drive comprises an electric motor whose stator is provided with a closed-coil distribution w...  
WO2005074107A8
The coil is made of conductive wire in present technical solution. It's of following characteristics: the conductive wire is flat, and the flat wire is wound into flat coil in the same direction. The flat conductive wire contact with eac...  
WO/2005/101616A1
A brushless motor has a stator, a rotor, and a bracket. The stator has a winding wire, a core around which the winding wire is wound, and a housing in which the core with the winding wire is received. The rotor is rotatably attached to t...  
WO2005071816A3
An improved linear motor which compensates for manufacturing or assembly errors in the positioning of the magnetic field detectors. The linear motor synthesises a correction signal which can be simply combined (for example added) to the ...  
WO/2005/099068A1
A brushless motor, comprising a housing, a stator storably fixed to the housing, a rotor rotatably disposed in the stator, a bracket fitted to the housing, a rotation detector fitted to the bracket and the housing and detecting the rotat...  
WO/2005/096470A1
Techniques of improving motor efficiency and torque while thinning down a motor. A brushless DC motor (1), wherein a rotor (2) is provided with a field magnet (5), and a stator (3) is provided with an armature winding (7). The field magn...  
WO/2005/096473A1
The invention relates to an electric motor, comprising a rotating hollow shaft (1), connected to a rotor (4) of the electric motor, whereby a converter (11) and a corresponding electronic control circuit (13), for electric supply of the ...  
WO/2005/095765A1
The invention relates to an electric camshaft adjuster for adjusting and fixing the phase angle of a camshaft of an internal combustion engine relative to the crankshaft thereof. Said camshaft adjuster is provided with a triple-shaft gea...  
WO/2005/091467A1
A brushless motor, comprising a rotor (6) having a magnet body (1) with magnetic poles of 2m in quantity to which N-pole and S-pole are alternately magnetized in the rotating direction and a core (3) radially opposed to the magnet body a...  
WO/2005/088810A1
A brushless motor enabling an increase in workability for electrical connection between an exciting coil and a circuit board disposed in a casing and the securement of assured waterproofness at a connected portion. A waterproof case (25)...  

Matches 601 - 650 out of 15,924