Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 551 - 600 out of 15,924

Document Document Title
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...  
WO/2008/035919A1
The present invention relates to a switched reluctance motor and a connection method for a sensor shutter thereof. The switched reluctance motor in accordance with the present invention includes a stator; a rotor rotating with respect to...  
WO/2008/035754A1
A resolver stator (33) is contained in a resolver holder (34). The resolver holder (34) includes a cylindrical holder part (61). The resolver stator (33) is coaxially contained in the holder part (61). A holder mounting rib (39) formed c...  
WO/2008/035876A1
The present invention relates to a switched reluctance motor which includes a housing, a stator and a rotor received and installed within the housing, and a rotor position detecting unit that detects a rotational position of the rotor at...  
WO/2008/031726A1
In a permanent-magnet synchronous machine (1) with a stator (2), which has a stator winding (U, V, W) and surrounds a rotor (4) with a rotor surface (4b), which is spaced radially apart from a rotor axis (4a), so as to form an air gap (3...  
WO/2008/029624A1
It is possible to reduce a basic wave component of cogging torque by controlling drive of a brushless DC motor (311). A secondary frequency component of the cogging torque is reduced by improving the structure of the brushless DC motor, ...  
WO/2008/023779A2
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/2008/015157A1
The invention relates to a synchronous motor (12) with a number of stator coils (15), with a rotor (16) with at least one permanent magnet (17), which induces a rotor magnetic field in a useful flux direction and with at least one coil w...  
WO/2008/015151A1
The invention relates to a primary component (2) for an electric motor (1), wherein a) the primary component (2) is provided for arrangement with a secondary component (7), the primary component (2) and secondary component (7) are separa...  
WO/2008/015140A1
The invention relates to a primary part (2) for an electrical machine (1), with the primary part (2) being formed at least from a laminated core (3) and having at least one element (11) for reduction of the force ripple adjacent to one o...  
WO/2008/009706A1
According to the invention, the torque ripple of electrical machines is supposed to be further reduced. For this purpose, it is provided to dispose the magnetic poles, for example, on the surface of a rotor in a plurality of sections (A1...  
WO2006137498A8
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...  
WO/2008/001759A1
A current control circuit controls the average current of an inverter circuit. A current indication circuit increases or decreases an average current value supplied to the inverter circuit with respect to a reference current so that a co...  
WO/2007/145033A1
A motor rotor (22) has a motor shaft (30), a permanent magnet (31) surrounding the motor shaft (30) so as to be aligned with the axis of the motor shaft, a pair of end rings (32, 32) surrounding the motor shaft (30) so as to be aligned w...  
WO/2007/144966A1
An inductor motor (1) comprises stator blocks (20), a generally cylindrical exciting coil (25), and a rotor (4) having two generally columnar magnet rotors (40) arranged coaxially with each other. The magnet rotors (40) are inserted insi...  
WO/2007/140920A1
An electric motor is provided, which is electronically commutated, comprising a stator, a magnetic-field generating rotor and a position encoder with at least one sensor, the at least one sensor having a flux guiding system assigned to i...  
WO/2007/142299A1
In a brushless motor, (i) a switching element (10), which turns on and off energization of a coil (32) arranged on a stator (3), is adhesively fixed to a bottom outer surface of a bottomed cylindrical heat dissipating housing (1). (ii) A...  
WO/2007/135006A1
The invention relates to a planar direct drive with a planar passive unit (01) with magnetizable teeth (03), both the base surface of the magnetizable teeth (03) and their interdental gaps (04) having at least in a first direction y a co...  
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...  

Matches 551 - 600 out of 15,924