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Patent Searching and Data


Matches 501 - 550 out of 16,003

Document Document Title
WO/2009/121444A1
The invention relates to an electronically commutated claw pole motor having a permanent magnetic rotor having n rotor poles, and a claw pole stator having two claw pole elements mechanically connected to each other and n claw poles. The...  
WO/2009/113311A1
Provided is an electric motor comprising: a stator including a stator core (11) with a coil wound therearound; a rotor including a rotating body (30) holding a plurality of permanent magnets (32) around the periphery thereof and opposite...  
WO/2009/108093A1
The present invention relates to an electric saw (1) being powered by an external power supply (200) through a multicore cable (6). The multicore cable (6) includes electrical wires (24, 25, 27) for supplying power to the motors (5, 12, ...  
WO/2009/107787A1
Disclosed is a brushless motor in which positioning of an air core coil is performed by fitting the air core portion of the air core coil into a boss formed in a coil plate, whereby the work for assembling of the coil can be quickly atta...  
WO/2009/098382A1
The invention relates to an electrical connector assembly for a brushless electromagnetic motor, comprising a 3-phase electrical stator winding and X windings per phase, connected in series or in parallel, characterised in comprising a c...  
WO/2009/099004A1
Provided is a brushless motor of a 2P3Sxn constitution, in which the ratio (W) of a circumferential width (Wm) of magnets (16a to 16c) to a chord length (Wp) formed by an arc of a center angle (θp = 360 degrees/pole-number (3n)) in the ...  
WO/2009/077456A3
The present invention relates to a miniature electric motor, particularly a servomotor, made of a stationary part (1) (stator) and a rotating part (2) (rotor) interacting with the same. Said parts (1, 2) comprise a motor coil (5) and a p...  
WO/2009/030350A3
Disclosed is an electric motor comprising an angle sensor. The rotor shaft of the electric motor is mounted by means of at least two bearings, a first one of which is designed as a fixed bearing. A radially oriented permanent magnet is p...  
WO/2009/095949A1
Provided are a magnetic levitation motor which generates strong magnetic shaft bearing force with a simple structure, suppresses the generation of an eddy current, and thereby reduces the rotation loss of a rotor, and allows the rotor to...  
WO/2009/089935A1
The invention relates to a stator (10) of an electronically commutated rotor motor (12) having a number of magnetic poles (13) separated by slots (14) and one pole branch (15) each and having at least two winding coils (17) disposed ther...  
WO/2009/090662A2
A BLDC motor (2) driven ceiling fan (1) comprising a control unit comprising an electronic controller (28) comprising a printed circuit board (PCB) incorporating a passive power factor correction (PFC) circuit. The PCB is disposed within...  
WO/2009/081033A2
The invention relates to a rotary electric machine (10) that comprises: a fixed casing (36); a central shaft (12) rotatingly mounted about the axis (B) thereof in the fixed casing (32); a rotor (14) mounted on and connected to the centra...  
WO/2009/081047A2
The invention relates to a target-carrier assembly (22) mounted on a rotary electric machine that comprises: a rotor rotatingly mounted in a casing; a fan (50) rotatingly connected to the rotor; the annular target-carrier (22) that is se...  
WO/2009/077687A2
The invention relates to a method for controlling a self-piloted alternator-starter for starting or restarting the thermal engine of an automobile, wherein said alternator-starter includes a rotor rotating in a stator, and a belt for tra...  
WO/2009/077414A1
The invention relates to a method for redundant analysis of Hall-sensors in position determination of electric motors, by means of a microcontroller, wherein, in a first step an analogue signal is generated from the Hall sensor signals a...  
WO/2009/034270A3
The invention relates to a gear motor including a multiple-phase electric motor formed by a stator portion excited by electric coils and by a rotor having N pairs of poles radially magnetised in alternating directions, the stator portion...  
WO/2009/068079A1
Electronically commutated electric motor (1), having a rotor (5) which is fitted with permanent magnets, and a stator (3) which has windings (2) to which power can be supplied and which is constructed as a composite printed circuit board...  
WO/2009/063617A1
A motor comprising a stator having a plurality of magnetic poles disposed along its outer periphery in a circumferential direction, a rotor which is rotatably disposed around the outer periphery of the stator, and a magnet disposed along...  
WO/2009/000578A3
The invention relates to an electric machine (1), in particular a synchronous machine, comprising a stator arrangement (3) having twelve stator teeth (2) and a rotor (6) having ten rotor poles (4). Said rotor poles (4) are separated by a...  
WO/2009/055956A1
A square-wave three-phase brushless permanent magnet DC motor. The number of the magnetic poles on the iron core of the rotor (1) of the motor is: 2P=8. The number of the slots (21) in the iron core of the stator (2) of the motor is: Z=1...  
WO/2009/055957A1
A disc-type three phases brushless permanent magnet DC motor (10) comprises a coreless disc-type stator (1) and two disc-type rotors (2, 3). Multiple pairs of permanent magnets are located on the two disc-type rotors (2, 3), and the magn...  
WO/2009/047895A1
A motor is provided with a stator whereupon a plurality of magnetic poles are arranged at first prescribed intervals on the outer circumference section, and a rotor which is rotatively arranged on the outer circumference of the stator by...  
WO/2009/043705A1
The invention relates to a method and a device for balancing production related inaccuracies of the magnetic wheel of an electromotive drive of a vehicle. Correction factors are used in this method, the initial value of which is factory ...  
WO/2009/034270A2
The invention relates to a gear motor including a multiple-phase electric motor formed by a stator portion excited by electric coils and by a rotor having N pairs of poles radially magnetised in alternating directions, the stator portion...  
WO/2009/034829A1
It is possible to provide a velocity detection method which can detect a highly-accurate and low-ripple velocity in a high-velocity region and can calculate a velocity without degrading the control performance even when a plenty of noise...  
WO/2008/122437A3
The invention relates to a converter for converting magnetic energy to kinetic energy and/or electric energy. Said converter consists of at least two components, one component being stationary relative to the surroundings and the other c...  
WO/2009/030350A2
Disclosed is an electric motor comprising an angle sensor. The rotor shaft of the electric motor is mounted by means of at least two bearings, a first one of which is designed as a fixed bearing. A radially oriented permanent magnet is p...  
WO/2008/095595A3
Disclosed are a method and a system for determining the position of a first part of an electric motor relative to a second part thereof. The magnetic field strength generated or at least influenced by magnets of the second motor part is ...  
WO/2009/027504A1
The present invention relates to a miniature electric motor, in particular a servo motor, comprising a fixed part (1a) and a rotating part (2a) arranged therein. Said parts (1a, 2a) have an electric coil (5) and a permanent magnet (3), i...  
WO/2009/004199A3
The shaft supporting system for an electric motor (1) comprises an instrumented rolling bearing (31) provided with a rotating race (34) intended to be mounted on said shaft and with a non-rotating race (33), a unit (32) for detecting rot...  
WO/2009/015496A1
An electric motor contains a rotor position sensor with a magnetic field sensor (10), a rotor arrangement (2, 3) arranged coaxially with respect to a stator arrangement (1, 4, 5). The rotor arrangement has a rotor (2), wherein permanent ...  
WO/2008/116612A3
A fan motor comprises a stator (20), a rotor (10') having a rotor shaft (14), and support means (25, 26, 29) for supporting the rotor (10'). The support means (25, 26, 29) comprise magnet means (26) for exerting a magnetic force on the r...  
WO/2009/004199A2
The shaft supporting system for an electric motor (1) comprises an instrumented rolling bearing (31) provided with a rotating race (34) intended to be mounted on said shaft and with a non-rotating race (33), a unit (32) for detecting rot...  
WO/2009/003814A1
The invention describes an electronic control apparatus for controlling an automatic transmission, having a control circuit (1), an integrated connector (4) and an integrated position sensor (6) in a housing, wherein the position sensor ...  
WO/2009/000828A1
The invention relates to an electric machine (1) comprising a stand (2), a rotational rotor (7) and an air gap (4) that is between the stand (2) and the rotor (7). A rotating field that comprises a plurality of pole pairs (P) can be gene...  
WO/2009/000162A1
A refrigerant compressor is provided with an electric motor (1), a compression pump (2) operatively connecting with a driving shaft (7) of the electric motor, and a gas-liquid separator (12) communicating with the compression pump (2). S...  
WO/2009/000578A2
The invention relates to an electric machine (1), in particular a synchronous machine, comprising a stator arrangement (3) having twelve stator teeth (2) and a rotor (6) having ten rotor poles (4). Said rotor poles (4) are separated by a...  
WO/2009/001546A1
Provided is an electric motor comprising a stator (10) including a stator iron core (11) having a stator winding (12), a rotor (14) including a rotary member (30) and a shaft (16), a bearing (15) for supporting the shaft (16), and a brac...  
WO/2008/148398A1
The invention relates to a valve-type electric machine comprising a salient-pole rotor provided with the even number of poles and an excitation system consisting of two permanent magnets which are arranged at an angle to each other, the ...  
WO/2008/104156A3
The invention relates to an electronically commutated electric motor, which comprises a stator and a special rotor having rotor teeth and permanent magnets in a collector arrangement, said rotor being formed by a laminated core with groo...  
WO/2008/145487A1
The invention relates to a rotor of an electrical machine, having a rotor body (1) and a pulse transmitter structure (8), which is associated with the rotor body (1) for detection of the rotation position and/or the rotation speed of the...  
WO/2008/146502A1
In a brushless motor comprising an external stator constituted by electrically forming a magnetic circuit by winding wire on a core, a bus bar forming an external input terminal by tying the wound wire together, and an internal rotor int...  
WO/2008/104274A3
An electric motor, comprising brake and a ventilator, wherein the ventilator, comprising a base body and ventilator vanes provided thereon is designed as a single-piece injection moulded piece and injection moulded permanent magnets are ...  
WO/2008/139835A1
A power steering device (10) having a gear box (61) and an electric motor (13) that are assembled together. A resolver fixation base (50) for holding a resolver (51) is fixed by a screw (52) to the electric motor (13) from the side where...  
WO/2008/104345A3
An electric motor, comprising a brake and a ventilator, wherein the ventilator, comprising a base body and ventilator vanes provided thereon, is designed as a single-piece injection moulded piece and injection moulded permanent magnets a...  
WO/2008/141075A1
A BLDC electric motor assembly (24) includes a rotor (42) having a plurality of magnet segments (50) securely retained thereabout by an annular ring (68) which is shrunk in situ in an electromagnetic forming operation. The magnet segment...  
WO/2008/122437A2
The invention relates to a converter for converting magnetic energy to kinetic energy and/or electric energy. Said converter consists of at least two components, one component being stationary relative to the surroundings and the other c...  
WO/2008/116612A2
A fan motor comprises a stator (20), a rotor (10') having a rotor shaft (14), and support means (25, 26, 29) for supporting the rotor (10'). The support means (25, 26, 29) comprise magnet means (26) for exerting a magnetic force on the r...  
WO/2008/092801A3
The invention relates to a synchronous motor (3) comprising a stator (3) with 18 stator teeth (2). The stator comprises stator coils (7) surrounding the stator teeth (2). The rotor (5) has eight pole magnets (6), each stator coil (7) sur...  
WO/2008/114473A1
An n-phase (n is a positive integer) brushless motor device comprising a stator (14), a rotor (12) having a predetermined number of poles, a magnetic pole position detection magnet (16), which is firmly bonded to a surface orthogonally i...  

Matches 501 - 550 out of 16,003