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Patent Searching and Data


Matches 601 - 650 out of 16,015

Document Document Title
WO/2007/128284A1
The invention relates to a brushless electric motor, comprising a stator and an armature with armature teeth and permanent magnets in accumulative order, the armature being made from a laminated core with grooves and the armature teeth a...  
WO/2007/054909A3
A brushless DC motor includes armature windings mounted on the motor stator, magnetic poles mounted on the motor rotor, a plurality of commutating devices and one or more rotor position sensors or detectors. Each pair of the upper and th...  
WO/2007/114303A1
Provided is a magnet brushless generator which can control an output voltage to be at a fixed value even in a case where the generator is driven by variable rotating numbers ranging from a low-speed rotation number to a high-speed rotati...  
WO/2007/113436A1
The present invention relates to a polyphase motor, especially for applications for driving pumps or ventilators in the automobile industry, formed by a stator part (1) excited by electric coils (41 to 46) and by a rotor (2) exhibiting N...  
WO/2007/107513A1
The present invention relates to a single phase permanent magnet electric motor (1) that is utilized in the actuation of the circulation or the discharge pumps that operate efficiently when rotating in a certain direction, for example in...  
WO/2007/104894A1
The invention concerns a shaft support system (7) for an electric motor (1), comprising an antifricton bearing (17) provided with an inner race (33) and an outer race (34), at least one angular position sensor (20) for detecting the angu...  
WO/2007/105314A1
A DC brushless motor has a rotor where a permanent magnet is fixed around a shaft and an armature where coils are disposed on the peripheral wall of a base seat surrounding the periphery of the rotor. The base seat has a body part surrou...  
WO/2007/094210A1
Provided is a brushless motor for an electric power steering device formed by 2-electrode and 3-slot multiplied by one or a greater integer. The motor has a stator winding to which current containing a higher harmonic component is suppli...  
WO/2007/002180A3
A powered surgical tool with a housing that contains a power generating unit such as a motor. A control module is disposed in a shell that is mounted in the housing. The control module contains a control circuit for regulating the actuat...  
WO/2007/082457A1
A magnetic force rotation device includes a rotor and a stator. The rotor is provided with a plurality of magnetic assemblies containing permanent magnet. The plurality of magnetic assemblies are arranged along the circumferential direct...  
WO/2007/080887A1
A rotating machine where play of a magnet in the thrust direction is restricted and where an axial variation in the installation position of the magnet is restricted. A magnet holder (19) used for a motor (1) has a holder base (31) fixed...  
WO/2007/077758A1
A brushless motor for driving a vane pump usable for a fuel vapor leakage inspection module or the like. An annular space is formed between the inner periphery of a through hole in a mounting plate and the outer periphery of the projecte...  
WO/2007/077749A1
A motor has an annular stator yoke, a stator core having outer teeth and inner teeth projecting outward and inward from the yoke, a stator having winding wires wound on the stator core, and two rotors of an outer rotor and an inner rotor...  
WO/2007/073083A1
A flat-type single phase brushless direct current (BLDC) motor (100) includes a rotor (120) rotatably fixed to a shaft (110) and having a permanent magnet (121) attached to a lower side thereof; a stator plate (120) installed below the r...  
WO/2007/069433A1
[PROBLEMS] To provide a noncontact apparatus for performing rotating process to a subject to be processed, without contaminating environment in an airtight container. [MEANS FOR SOLVING PROBLEMS] A spin head (1) is held on a holding tabl...  
WO/2005/060069A3
The device for determining the position of the rotor in an electric motor comprises a detector (2), which is mounted on the electric motor (1) and which is sensitive to the passage of the rotor through a reference position, and comprises...  
WO/2007/062766A1
An electric motor has a stator and a rotor (14) which can rotate about a rotation axis (85). This has a sensor magnet (82) with an even number of sensor poles (71, 72, 73, 74). The sensor magnet (82) is designed to produce a magnetic flu...  
WO/2007/059712A1
The motor rotation detection structure of the invention includes a rectification rotation appliance, an anode brush and a cathode brush. The rectification rotation appliance is divided into two sections along the direction of the motor s...  
WO/2007/054676A1
A brushless electric motor (11) having a permanent magnet rotor (12), having magnets contained within an annular wall, and a stator (13), housing field coils (14), in which the field coils are energised in accordance with control signals...  
WO/2007/054909A2
A brushless DC motor includes armature windings mounted on the motor stator, magnetic poles mounted on the motor rotor, a plurality of commutating devices and one or more rotor position sensors or detectors. Each pair of the upper and th...  
WO/2007/035668A3
A windshield wiper assembly (10) including at least one motor (12) having an output shaft (88) and a windshield wiper (14) operatively connected to the output shaft (88). The motor includes a stator (26) adapted to provide an electromagn...  
WO/2007/055061A1
[PROBLEMS] To provide an electrically driven wheel enabling prevention of circuit damage and causing a small switching loss, a moving device, and an electrically driven wheel rotation control method. [MEANS FOR SOLVING PROBLEMS] A three-...  
WO/2007/051280A1
The invention relates to a rotary multi-phase electrical motor wherein stator teeth corresponding to one same phase are grouped on a distinct and magnetically isolated stator section. The number of teeth per stator section is an odd numb...  
WO/2007/004009A3
A rotor (1) for an electric motor with permanent magnets (10) has a principal axis (D) , comprises a laminated core (2) delimited by a first and a second end wall (4, 5) and by a lateral surface (6) and has a hole (7) for coupling to a m...  
WO2007012370A8
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/2007/036548A1
The invention relates to a connecting plate for an electric motor which is characterized in that it has at least one receptacle area (2) with at least one receptacle opening (8) for at least one sensor (22) for monitoring the rotor posit...  
WO/2007/036284A1
The invention describes a three-phase electrical drive machine comprising a stationary primary part (2) having a series of stator slots (3), in which stator windings (4) of the three phases (U, V, W) are arranged, with the result that a ...  
WO/2007/035668A2
A windshield wiper assembly (10) including at least one motor (12) having an output shaft (88) and a windshield wiper (14) operatively connected to the output shaft (88). The motor includes a stator (26) adapted to provide an electromagn...  
WO/2007/029562A1
[PROBLEMS] To provide a motor for EPS which can exhibit a desired performance while satisfying severe limitation on physical constitution. [MEANS FOR SOLVING PROBLEMS] In a motor for a rack assist type electric power steering system arra...  
WO/2007/018261A1
[PROBLEMS] To provide a motor not requiring a complex control circuit, produced in a simple structure at low cost, having a long lifetime, and downsized and thinned. [MEANS FOR SOLVING PROBLEMS] Either a rotor (1) or a stator (3) has per...  
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)....  

Matches 601 - 650 out of 16,015