Matches 1 - 50 out of 110 1 2 3 >


Match Document Document Title
US20140070658 LAMINATION ASSEMBLY INCLUDING AN INTER-LAMINATION THERMAL TRANSFER MEMBER FOR AN ELECTRIC MACHINE  
A lamination assembly having a lamination stack including a plurality of lamination members, and at least one inter-lamination thermal transfer member coupled to at least one of the plurality of...
US20130094982 BRUSHLESS MOTOR AND ELECTRIC PUMP  
A brushless motor comprises a rotor and a stator comprising a plurality of core plates laminated on one another. The core plates include a plurality of teeth portions. The plurality of core plates...
US20140111884 SPINDLE MOTOR AND HARD DISK DRIVE THEREWITH  
A thin spindle motor having a stator core with sufficient swaging strength even using thin magnetic steel sheets is provided, whereby the magnetic loss and the power consumption of the spindle...
US20140210284 MOTOR, METHOD FOR MANUFACTURING MAGNETIC PLATE, AND METHOD FOR MANUFACTURING STATOR  
A motor includes a rotation shaft, a stator, and a rotor. The stator includes an armature winding and a stator core including a main core portion with an axial stack of core sheets and a magnetic...
US20070114874 Motor having a stator and a rotor made of soft magnetic powder material  
A stator includes a stator body and a plurality of compression beads formed on an outer surface of the stator body to reduce a contact surface between the stator body and an inner surface of the...
US20100052464 AC-INDUCTION-MOTOR ROTOR LAMINATION HAVING ROTOR SLOTS  
An AC-induction-motor rotor lamination has a longitudinal axis and circumferentially spaced apart and closed rotor slots. Each rotor slot includes first through fifth corners, a straight slot...
US20070278867 EXPOXY ENCAPSULATED STATOR  
A stator having electromagnetic poles that face an interior or center of a generally circular lamination of the stator includes coils that are encapsulated in epoxy. The outer surface of the epoxy...
US20090140598 Rotor construction in an electric motor  
A rotor of an electric motor with a cylindrical shaft and a magnetically conducting laminated core, the laminated core having a central shaft duct. The laminated core can be fastened reliably and...
US20060097601 Rotor arrangement for an electric machine and a method for the manufacture of a rotor arrangement  
A rotor arrangement for an electric machine having a substantially cylindrical rotor body and a shaft on which the rotor body is mounted, wherein the rotor body is divided into a plurality of...
US20130076193 LAMINATED CORE AND FABRICATION METHOD THEREOF  
Disclosed herein is a laminated core used for a motor including an electric motor, wherein the core is formed of a soft magnetic composite and has a structure in which one or more unit laminates...
US20090108702 LAMINATION HAVING TAPERED TOOTH GEOMETRY WHICH IS SUITABLE FOR USE IN ELECTRIC MOTOR  
An electric motor has a stator, and a rotor disposed within the stator. The stator has a set of stator laminations and a set of windings held in position by the set of stator laminations. The...
US20150207390 MOTOR PROVIDED WITH NONCIRCULAR STATOR CORE, APPARATUS FOR PRODUCTION OF MOTOR, AND METHOD FOR PRODUCTION OF MOTOR  
A motor which reduces the manufacturing cost while able to reduce the cogging torque. The stator core is provided with a first core sheet and a second core sheet which is stacked with the first...
US20090184601 POLYPHASE STATOR OF A ROTATING ELECTRICAL MACHINE WITH CLAW-POLE ROTOR AND ALTERNATOR OR ALTERNATOR STARTER COMPRISING SAME  
The invention concerns a polyphase stator (5) for a with rotating electrical machine claw-pole rotor comprising five or seven phases (132), a stator body having internally a plurality of notches...
US20080191577 Reluctance Laminations for a Motor Assembly  
A system and method for a multiple degrees of freedom motor includes an output shaft. A stator is provided having at least a first lamination stack. Each lamination stack has an interior curved...
US20070188031 Servo motor with large rotor inertia  
A servo motor with large rotor inertia includes a casing, a stator, a rotor and an inertial disk. The casing includes a hollow chamber and axial stages at front side and rear side thereof. The...
US20060082240 Stator laminated plates of an enclosed type motor  
Stator laminated plates of an enclosed type motor are made of a preset number of laminated plates. Each laminated plate is composed of a main plate and two coupling plates. Each main plate is...
US20070114856 Soft magnetic powder-based stator for use in motor  
A stator for use in a motor, being wound with a coil, includes a main body fixed to a inside of the motor; a plurality of teeth formed to be integrated with the main body and respectively wound...
US20110309710 Core and motor having the same  
Disclosed is a core including a plurality of core layers in a laminated structure formed through one-directional press shearing and having an insulating layer formed on the surface thereof...
US20070159018 Explosion-proof motor  
A novel explosion-proof motor, which, in certain embodiments, features a housing with flame paths between various joints in the housing. These flame paths may contain and cool hot gases and flames...
US20080067886 RADIAL CENTERING SURFACE OF A STATOR CORE  
The present invention relates to a method and a device for manufacturing a radial centering surface on an outer circumference of an annular laminated core of a stator, the centering surface (19;...
US20090108712 SHORT-FLUX PATH MOTORS / GENERATORS  
According to one embodiment of the present invention, an electric machine includes a stator and a rotor. The stator includes a stator pole including a first leg and a second leg, and a gap defined...
US20070126310 Universal motor and lamination for stator thereof  
A lamination 10 for the stator of a universal motor has two poles 12 and a flux return path in the form of a ring 14 joining the two poles together. Each pole 12 has a pole face 16 defining there...
US20140009030 FAN STATOR STRUCTURE  
A fan stator structure includes a stator assembly having at least one first silicon steel sheet and at least one second silicon steel sheet. The second silicon steel sheet has a base section and...
US20090072641 GENERATOR HAVING A COOLING FLOW BIFURCATION MEMBER AND METHOD FOR CONTROLLING A COOLING FLOW  
A cooling flow bifurcation member is positioned in an outside radial flow passage of a generator between an end portion of a stator core and a stator flange. The flow bifurcation member includes a...
US20120326554 STATOR, METHOD FOR MANUFACTURING SAME, AND MOTOR  
The present invention provides a method for manufacturing a stator configured to ensure insulation properties between a conductor and an armature core while preventing a manufacturing cost from...
US20070296301 STATOR CORE  
A stator core is disclosed. The stator core is constructed in a structure in which stress of the stator core is minimized when a stator is manufactured in a spiral fashion, whereby workability is...
US20080238237 INDUCTION MACHINE  
An induction machine has a stator and rotor. The stator comprises teeth and slots and stator winding disposed in the slots. The rotor comprises a rotor core having teeth and slots and a...
US20080238241 COMMUTATOR MOTOR AND ELECTRIC VACUUM CLEANER USING THE SAME  
An efficient and high-performance commutator motor in which both torque enhancement and iron loss reduction are achieved is provided by ensuring a sufficient area occupied by field windings wound...
US20140209728 DIE ASSEMBLY AND METHOD FOR MANUFACTURING WOUND MOTOR LAMINATED ARTICLE  
A stator core is formed from a continuous strip of wound sheet stock material, in which the sheet stock material is converted from the sheet stock to a formed material including winding slot...
US20080143210 Three-phase motor stator  
The present invention provides a three-phase motor stator. The shape of the three-phase motor stator is defined by an optimum pole-tooth ratio for reducing the cogging torque of the motor and...
US20060186753 Stator and electric motor having the same  
The present invention provides a stator including a core having a plurality of core plates piled on one another, and a plurality of teeth formed in a regular interval on the circumference of the...
US20130154434 STATOR CORE, MANUFACTURING METHOD THEREFOR, AND ROTARY ELECTRIC MACHINE THAT USES THAT STATOR CORE  
The method for manufacturing a stator core includes: a punching step in which magnetic segments are punched out of an electromagnetic steel sheet that is coated with an organic insulating coating;...
US20090309446 ELECTRIC ARC WELDING SYSTEM POWERED BY PERMANENT MAGNET ELECTRIC GENERATOR  
An electric arc welding system is powered by a power generator with a rotor assembly circumferentially surrounding a stator assembly. The arc welding system generates a three phase AC current,...
US20060066168 Bonded rotor laminations  
In accordance with an exemplary embodiment, the present technique provides a rotor assembly formed of a plurality of rotor laminations that are bonded to one another. Specifically, the rotor...
US20090152977 ELECTRICAL MACHINE CIRCUIT ELEMENT  
An electrical machine circuit element (1) comprises a flat metal sheet (2) provided with a plurality of slots (3) for an electric and/or cooling circuit. The elements (1) presents a plurality of...
US20080224562 Armature laminations  
A DC motor, has a stator housing accommodating a permanent magnet stator; a rotor, rotatably mounted confronting the stator, the rotor having a shaft, a rotor core fitted to the shaft and having...
US20060138894 Rotor for rotating machine, manufacturing method of rotor and motor for electrically driven power steering  
An object of the present invention is to provide a rotor with a high accuracy, a manufacturing method of the rotor and the motor for an electrically driven power steering in a manner that the...
US20080136286 CONCENTRATED WINDING COIL AND METHOD OF MANUFACTURING SAME  
A concentrated winding coil according to the present invention comprises a plurality of coil layers each of which comprises a plurality of wire turns wound in alignment winding; and a bobbin...
US20120086302 STATOR CORE AND METHOD OF MANUFACTURING SAME  
A stator core 10 and its manufacturing method, the stator core 10 including laminated stator core sheets 17, each of the stator core sheets 17 punched out from a magnetic metal sheet 32, a central...
US20060138877 Rotor core for motor and small motor  
A rotor core for a motor includes a core having a plurality of core sheets which are laminated, a rotation shaft which is press-fitted to the core, a press-fitting part and at least a space part...
US20070024150 Electrical machine having centrally disposed stator  
An electrical generator comprising a stator having stator windings and a rotor having rotor windings. The rotor and the rotor windings extend about the stator windings. The rotor includes an...
US20060001328 Method for production of a stator and stator produced according thereto  
The present invention proposes a method for manufacturing a stator for an electric machine, in which strip-shaped laminations (21) are first stacked to form an essentially block-shaped lamination...
US20060273669 Electric machine with coolant guiding channel and corresponding cooling method  
The aim of the invention is to optimise cooling electric machines. As a result, a coolant channel (7) is disposed around the cylindrically-shaped magnet arrangement of the electric machine. Said...
US20090066182 STATOR WINDING ASSEMBLY AND METHOD  
Disclosed herein is an electric machine stator. The electric machine stator includes a tubular body with a plurality of radial slots formed into a perimetrical surface thereof, each of the...
US20050067905 Stator cooling method and apparatus  
According to one embodiment of the present technique, forced air (i.e., air flow) is routed through a motor stator having corners and center ducts. Advantageously, by routing the air flow through...
US20110127876 LAMINATED STATOR CORE  
A laminated stator core 10, formed by laminating stator core sheets 17, each of the stator core sheets 17 punched out from a magnetic metal sheet 32 so as to have a common axis with a rotor core...
US20140037476 MOTOR FOR COMPRESSOR PUMPS AND RELATED COMPRESSOR ASSEMBLY  
An electric motor is provided, including a stator having two electromagnetic poles diametrically opposite each other, a rotor including a rotor core configured for being rotatably mounted with a...
US20110273054 ELECTRICAL STEEL, A MOTOR, AND A METHOD FOR MANUFACTURE OF ELECTRICAL STEEL WITH HIGH STRENGTH AND LOW ELECTRICAL LOSSES  
In a method for manufacture of electrical steel a liquid steel mixture is created with a specified mixture chemistry. A continuous casting is performed to convert the liquid steel mixture to a...
US20060284511 Enhanced electrical machine cooling  
In one embodiment, the present technique relates to a motor having enhanced cooling. The exemplary motor includes a stator core that is formed of a plurality of stator laminations and that is, at...
US20130002085 Structured magnetic material  
A bulk material formed on a surface is provided. The bulk material includes a plurality of adhered domains of metal material, substantially all of the domains of the plurality of domains of metal...

Matches 1 - 50 out of 110 1 2 3 >