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7610671 |
Method for assembling an electric motor using a slip fit tolerance ring
An electric motor includes a stator, a housing supporting the stator and having a bearing seat with an inner surface and an inner end, a bearing having an outer surface, a shaft rotatably supported...
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7603760 |
Method for producing a helical stator
In a method or system for producing a helical stator, a stator core strip is provided having a base portion with spaced tangs extending from the base portion. The strip is driven in a feed...
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7591063 |
Method of making an armature
A method of making an armature includes placing a commutator and a lamination stack on an armature stack. Coil windings wound in slots in the lamination stack, the commutator and armature shaft are...
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7587807 |
Method for manufacturing a stator of an electrical rotating machine
A method for manufacturing a stator of an electrical rotating machine that is configured to have a rotor mounted inside the stator. The stator has a laminated magnetic circuit having a stack of...
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7581307 |
Method of making an electric machine having an electronics mount secured by an interference fit
A method includes heating a housing of an electric machine to thermally expand the housing, positioning a mount having power and control electronics assembled thereon and in contact therewith in...
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7574790 |
Method for manufacturing a stator of an electrical rotating machine
A method is provided for manufacturing a stator of an electrical rotating machine. The method includes: impregnating a first winding head with a first composition that includes a heat-setting resin...
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7565731 |
Methods of manufacturing a rotor assembly
A method for manufacturing a rotor assembly. The method includes providing a stub shaft having a first part and a second part, providing a magnet between the first part and the second part, and...
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7562439 |
Apparatus for making a laminated core structure
An apparatus for manufacturing an electric motor having a laminated core structure formed by a plurality of core plates made of rolled material of electromagnetic sheet steel. The core plates are...
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7555825 |
Systems, devices, and/or methods for balancing a rotating electric device
Certain exemplary embodiments provide a rotating machine assembly comprising a rotor machine assembly including a shaft, a plurality of laminations shrink fit around the circumference of the shaft,...
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7546674 |
Method of rotor assembly without the hub
A method of assembling a rotor assembly is provided, without the use of a rotor steel hub. The method comprises forming first, second and third lamination stacks by stacking individual rotor...
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7546672 |
Methods for manufacturing a motor
It is an object of the invention to provide a technique for easily installing many turns of a coil winding on a stator. Representative method for manufacturing a motor includes preparing the coil...
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7543774 |
Coiling machine and method for the production of a coil
A winding machine ( 20 ) has a carrier device ( 23 ) for winding a winding for an electrical machine. The carrier device ( 23 ) has at least one group ( 34 ) having a winding template ( 29 ) and an...
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7536770 |
Winding method for stator of motor
According to a nozzle winding method of causing a nozzle ( 41 ) to pass between adjacent magnetic poles ( 12 ) and rotating the nozzle ( 41 ) around the magnetic pole ( 12 ), winding is carried out...
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7523540 |
Device for positioning and affixing magnets to a magnetic yoke member of a motor
A device for positioning and affixing magnets on a magnetic yoke member of an electric motor includes: a nonmagnetic support for receiving the magnets; a magnetic element for holding the magnets in...
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7513028 |
Systems and methods for repairing a rotor system keyway
A method to repair a rotor system having a coupling, a coupling keyway, a shaft, a shaft keyway, and a key. The method may include the steps of machining a shaft relief on the shaft adjacent to the...
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7508106 |
Magnetoelectric generator
In a magnetoelectric generator generating electric power by electromagnetic induction between permanent magnets and a generating coil due to rotation of a flywheel, a plurality of press-worked...
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7489056 |
Method of bonding metallic members by plastic-flow bonding and plastic-flow bonded body
The disclosure is concerned with a bonding method for bonding metallic members, which comprises the steps of: fitting a metallic members to another metallic member, followed by effecting...
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7484290 |
Methods and system to facilitate installation and removal of a generator rotor assembly
A method of installing a rotor assembly in a generator stator including a central bore is provided. The method includes coupling at least one of a first rotor section and a second rotor section of...
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7480981 |
Method of producing hard disk drives of reduced size
A method of producing hard disk drives of reduced size including using a one or more MEMS spindle motors, and one or more magnetic heads. Each spindle motor includes a rotor and a stator. The rotor...
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7480977 |
Method of replacing slot armor and slot liners in a generator rotor
A method of replacing slot armor and slot liners in radial slots of generator rotors comprising: (a) removing a winding from respective radial slots in the generator rotor; (b) removing existing...
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7472468 |
Method for winding brushless DC motors
A method of making a wound field for a brushless direct current motor, direct current generator, alternating current motor or alternating current generator, includes providing a base mold having an...
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7467456 |
Method of arranging a resolver
A method of arranging a resolver comprises the steps of: a, setting stator magnetic poles number of the resolver N s as a number being in integral multiples (t) of a phase number q; b, figuring...
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7464455 |
Method for forming an armature for an electric motor
A method for forming an armature for an electric motor includes securing a lamination stack having slots therein on an armature shaft. A commutator is secured on one end of the armature shaft....
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7461443 |
Method relating to a threaded inner sleeve for generator magnet
An inner sleeve, having threads on each end, is formed on a motor or generator rotor. A pair of stub shafts are threadably attached to the inner sleeve at each end and a magnet is placed in...
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7458262 |
Integral center plane balancing of a rotating electric device
Certain exemplary embodiments provide a rotating machine assembly comprising a rotor machine assembly including a shaft, a plurality of laminations shrink fit around the circumference of the shaft,...
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7451538 |
Method for fabricating rotor assembly
In accordance with one embodiment, the present technique provides an apparatus for assembling a rotor. The exemplary apparatus includes a base that has a central aperture and a seating surface for...
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7430796 |
Method for winding the stator of a multiphase electric motor
In a method for winding the stator of a multiphase electric motor a plurality of mutually spaced stator teeth are assigned to each phase, wherein all the teeth of the stator are wound without a...
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7415758 |
Device to press the shaft of a rotor into a stator housing
A device to press a rotatably supported shaft of a rotor of a spindle motor for a hard disk drive into a shaft receiving portion of an associated stator housing by means of a first pressing tool...
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7415756 |
Magnetizing method using a magnetizing jig and method of assembling an electric compressor by using the jig and the magnetizing method
In a method for assembling an electric compressor which contains a rotor having built-in magnets, magnets in a pre-magnetization state are inserted into a plurality of slots of a magnetizing jib...
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7414342 |
Rotor of rotating electric machine and method of assembling rotor of rotating electric machine
A magnet-mounting member for holding permanent magnets against side faces of each claw-shaped magnetic pole has pairs of extreme-end and basal-end hooking tabs for preventing displacement of the...
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7395594 |
Apparatus and method for the installation of a stator core into a power generator
The present invention comprises a method and apparatus for installing a stator core into a power generator 1 that comprises assembling the stator core inside of a container 60 , and then moving...
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7395593 |
Method of applying outer insulation to a stator bar of an electric machine
A method of applying an outer insulation to a stator bar to form an insulated stator bar. The method entails extruding at least one extruded member that will form the outer insulation. The extruded...
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7386931 |
Method of forming cascaded stator winding
A method of forming a stator for an electric machine having a cascaded winding includes the steps of: providing a stator core having a plurality of circumferentially spaced and axially-extending...
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7373711 |
Motor armature manufacturing method
An insulator covering the teeth ( 31 ) of an armature ( 3 ) in an inner-rotor motor is composed of a tooth insulator ( 321 ), outer-side insulator ( 322 ), upper-end insulator ( 323 ), and...
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7367106 |
Method of assembling a dynamo-electric machine component
Stator designs have wide-mouth slots between adjacent poles. Wire coils with high slot fill conductivity are formed around the poles. In some designs, the wire coils are wave wound around the...
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7363696 |
Method of assembling a sealed type motor-driven compressor
A sealed type motor-driven compressor includes a cylindrical motor housing and an annular stator core fastened to the interior of the motor housing. A method of assembling the compressor includes...
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7357012 |
Methods and assemblies for bending strands of material
A method for bending strands of material. The method includes providing a first pair of opposing dies each comprising a first surface corresponding to a first pair of predetermined bends to be...
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7356906 |
Brushless direct-current motor of radial core type having a structure of double rotors and method for making the same
A method of manufacturing a radial core type double rotor brushless direct-current motor is provided. A double rotor structure is employed with inner and outer rotors which are doubly disposed such...
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7350283 |
Method for making rotor for permanent magnet electric machine
A method for making a rotor for a permanent magnet electric motor comprising the steps of providing an annular permanent magnet and an annular back-up member. Affixing the magnet to the inner...
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7347963 |
Method of molding resin to protect a resolver winding
At least a winding of a stator stack 2 is molded by injecting a fused resin molding material into a space formed between a top mold and a bottom mold member. When the stator stack 2 of the...
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7346975 |
Method of manufacturing a stator for an inner type of rotor
A method of manufacturing a stator core for an inner rotor type of motor. The core back of the stator core in the motor has an arc shaped inner circumferential surface therein that is offset from...
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7345396 |
Metallic laminations for magnetic circuits
Metallic laminations for magnetic circuits. Some of the illustrative embodiments may be a magnetic circuit comprising a low reluctance magnetic flux path comprising a plurality of stacked metallic...
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7343662 |
Manufacturing method of stator coil composed of conductor segments
In manufacturing a stator coil for a rotary electric machine, a U-shaped segment is deformed at the turn portion thereof so that one of two straight portions thereof moves against the other one in...
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7340822 |
Insulator and manufacturing method thereof, and stator for electric rotating machine
A stator for a motor includes a stator core, an insulator, and coils. The stator core includes an annular portion and teeth, which extend radially from the annular portion. The stator core is...
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7337526 |
Method for manufacturing squirrel cage rotor
Ceramic adhesive is applied inside the slots of an electric machine squirrel cage rotor prior to casting or insertion of rotor conductors. This heat-resistant insulation provides superior...
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7337524 |
Method of forming a winding core for an electric motor
A method of forming a winding core for an electric motor includes providing a hollow jig having a guide, sliding plates, each having a guide and a central opening, onto the guide in the jig where...
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7334316 |
Method of sealing a generator stator bar and a stator bar end fitting
A method of sealing a generator stator bar and a stator bar end fitting receiving the end including the steps of: brazing the fitting to the end of the stator bar with a braze material; applying a...
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7328498 |
Method for producing the surface geometry of solenoids
A method for producing a solenoid with a center limb and two outer pole shanks that have one pole surface each and one back resting so that it faces away from it. The back is first at least...
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7305752 |
Method for fabricating an inductive coil
A method of fabricating an inductive coil having inner and outer winding portions formed from one or more metal sheets. The method includes wrapping a fiber strand around an outer surface of the...
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7302754 |
Horizontal assembly of stator core using a central rail structure
The present invention provides for a method and apparatus of horizontally stacking a stator core. A central rail structure 34 that runs down approximately the center axis of the stator frame 2 ,...
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