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Patent Searching and Data


Matches 501 - 550 out of 15,921

Document Document Title
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...  
WO/2008/077363A3
An electric motor (1), particularly a direct current motor, having an armature (4) comprising a plurality of groove slots (14) for receiving current-carrying conductors of an armature winding (16), is to enable a particularly low detent ...  
WO/2008/111242A1
To provide a small-sized brushless motor in which the rise of the temperature of a power element is suppressed. A stator (2) is disposed on the same axis as the output shaft (1a) of a rotor (1). A first wiring board (3a), on which a powe...  
WO/2008/111875A1
This invention relates to electrical machines, in particular, to DC motors, and can be used for current winding control. Non-contact switching system for DC motors, which includes a set of solid-body switches to ensure a bi-directional s...  
WO/2008/102629A1
A permanent magnet type brushless DC motor which can be made compact while enhancing noise resistance of a rotation detector fixed to the motor and exhibiting excellent productivity, reliability and cost performance. The permanent magnet...  
WO/2008/098445A1
A non-360 degree driving brushless motor comprises a motor rotor mounted with permanent magnets, a motor stator winded with coils and a reducer connected axially to the motor rotor. The output torsion of the motor is changed by separatel...  
WO/2008/099552A1
A motor (5) comprises a stator (5a), a rotor, and a rotating position detection part (26) for detecting the rotating position of the rotor. A first positioning part (41) and a second positioning part (42) formed on the stator (5a) are fi...  
WO/2008/095595A2
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/2008/092801A2
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/2008/035105A3
A motor (1) comprises a stator (2), a rotor (10) mounted for rotation about a rotor axis (50) in the stator (2), a pole (11) of the stator (2), a winding on the stator pole (11), and at least one pair of salient poles (10a-d) of the roto...  
WO/2008/087757A1
A motor for driving an actuator used for the throttle valve of the engine of an automobile and the optical axis controller for the headlight of an automobile. Two cup-like rotor yokes, each of which is provided with an enlarged inner dia...  
WO/2008/087068A1
The invention relates to an electrical machine, in particular an EC synchronous motor with permant excitation in the armature (20), and multiphase winding (18) in a claw pole system (19) of the stator (16), and three connections for a th...  
WO/2008/086964A1
The invention relates to a brushless electric motor having a rotor module (11), a stator module (12), and a plurality of coils (13), wherein the stator module is provided to be at least partially produced by means of MID (molded intercon...  
WO/2006/032639A3
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/2008/081685A1
Provided is a compact direct drive motor while avoiding atmosphere contamination. A direct drive motor DD includes a stator (29), an atmosphere bearing (33), an internal rotor (30), and resolvers (34a, 34b, 35, 36) as detectors which are...  
WO/2008/081684A1
It is possible to provide a brushless motor which can fasten a permanent magnet by using a fixing ring-shaped member (24) without using an adhesive which generates an out gas so as to prevent atmosphere contamination caused by fixing of ...  
WO/2008/079144A1
Linear motor with armature teeth (110b). Each end tooth (110c,110d) is provided with a step (11Oi) which increases the air gap. Advantage: Reduce cogging. The tooth surface (11Og) at the increased air gap may have an angle (A) different ...  
WO/2008/077363A2
An electric motor (1), particularly a direct current motor, having an armature (4) comprising a plurality of groove slots (14) for receiving current-carrying conductors of an armature winding (16), is to enable a particularly low detent ...  
WO/2008/069166A1
A brushless DC motor includes: a stator having a stator core, a drive coil wound on the stator core, a circuit substrate on which a plurality of electronic parts are mounted, and a mold resin unit which molds them as a unitary block; and...  
WO/2008/067861A1
The invention relates to a single-phase permanent magnet synchronous machine (1), in particular for driving a wet-rotor pump, comprising at least one stator winding (3), a laminated stator stack (2) with two pole limbs (4) and a permanen...  
WO/2008/066061A1
A brushless motor comprises a rotor including ten permanent magnets, and a stator including twelve teeth (or salient poles) having twelve wires individually wound thereon. Here, the twelve wires include such two wire groups for each phas...  
WO/2008/065972A1
A board-mounted brushless motor in which the reliability of connection between a ground pattern and an electrically conductive metal plate is improved by a simple structure. A portion of the ground pattern (19) is hollowed to form a holl...  
WO/2008/046983A3
The invention relates to a powering device (1) including a housing (2) in which is attached a stator (3) that surrounds a rotor (4) connected to a shaft (5) and having a first end portion (5.1) and a second end portion (5.2) connected to...  
WO/2008/059736A1
A brushless motor (1) is provided with a magnet holding section (52) for holding/fixing a magnet, and a magnet holder (51) having a resolver rotor connecting section (54) connected to a resolver rotor (35). The resolver rotor connecting ...  
WO/2008/053670A1
A brushless motor having excellent anti-impact properties and easily assembled even if it is reduced in size. The brushless motor has a stator (2) as a non-rotating portion fixed to a stator base (1), and the stator (2) has a bearing (5)...  
WO/2008/050637A1
A brushless motor (3) is provided with a rotor (22) having a magnet (33), and a stator (21) having teeth (27) facing the magnet (33) through an air gap (45). At the leading ends of the teeth (27), a plurality of auxiliary grooves (20) wh...  
WO/2008/050418A1
A rotation support device where play in a bearing is eliminated without the use of a spring member. Lines of magnetic force flows from a permanent magnet (30a) to a permanent magnet (21a), generating electromagnetic attraction force (urg...  
WO/2008/050575A1
An inexpensive, productivity-enhanced single-phase AC synchronous motor in which stabilized synchronous pull-in can be carried out by suppressing generation of counter torque during a starting operation. Starting operation is performed w...  
WO/2008/046983A2
The invention relates to a powering device (1) including a housing (2) in which is attached a stator (3) that surrounds a rotor (4) connected to a shaft (5) and having a first end portion (5.1) and a second end portion (5.2) connected to...  
WO/2008/047698A1
In a brushless motor having a stator provided with armature windings of a plurality of phases, and a rotor provided with permanent magnets and arranged rotatably on the inside or outside of the stator, the voltage waveform induced betwee...  
WO/2008/043620A1
The invention relates to an electric machine (3) having a rotor (2) or stator and magnets, wherein the rotor (2) or stator comprises a plurality of grooves (6). A pole (7) is formed between said grooves - viewed in the circumferential di...  
WO/2008/023779A3
The single-phase brushless motor according to one aspect of the present invention includes a coil array having a plurality of magnetic coils 11 -14; a magnet array having a plurality of permanent magnets 31 -34; a magnetic sensor 40 for ...  
WO/2008/009552A3
The invention relates to a rotor (23) for an electrical machine (1), comprising a rotor shaft (4), rotor laminations (5), and a rotor brake body (6). The rotor laminations (5) and the rotor brake body (6) are fixed to the rotor shaft in ...  
WO/2008/035755A1
A resolver stator (33) is contained in a bottomed cylindrical resolver holder (34). The resolver holder (34) is made of a magnetic material and includes a cylindrical holder part (61) and a bottom wall part (63) which is formed at the en...  

Matches 501 - 550 out of 15,921