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6952868 |
Magnet assembly apparatus
An assembly apparatus for a magnet assembly is disclosed. The assembly apparatus includes first and second assembly nests and an assembly slide operable between an advanced position relative to the...
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6951054 |
Manufacturing method of a coil member
A manufacturing method includes a step of setting prescribed dimensions L and p, a wire feeding step of feeding a wire on a turning base surface by the dimension L, a turning step of turning the...
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6949848 |
Terminal for armature
An electrical armature having a wiring board embodying conductive plates with wire end receiving terminals to receive and hold the wire ends of the coils while they are fused to the terminals.
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6944932 |
Method for making a self-locking knot in a stator lacing machine
A method and a corresponding apparatus provide for both the automatic lacing of a toroidal coil of a stator of a dynamo-electric machine, and the knotting of the end lacing terminal of the lacing...
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6944933 |
Manufacturing method of a rotor of small motors
Each of the rotor magnetic poles is composed of a winding around a laminated core and each of both ends of each wound wire is connected to a commutator leg part coupled with a tip of a...
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6944935 |
Method of forming an optimized fiber reinforced liner on a rotor with a motor
A method of forming a rotor for a positive displacement motor. The method includes forming a liner that includes at least two resilient layers and at least one fiber layer, and the at least two...
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6944934 |
Small-sized motor and manufacturing method thereof
In the case of a small-sized motor of the present invention, a printed board to which an electric circuit including an electric element is attached is mounted on a case cover. The printed board has...
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6941637 |
Method of manufacturing a motor comprising a rare earth thick film magnet
The method of manufacturing rare earth thick film magnet comprising a step of forming an alloy layer of 30-100 μm thick having a general formula R X B Y TM Z on a substrate by a physical...
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6941639 |
Method for repairing generator rotor
An improved generator rotor ( 30 ) and a method of repairing an existing generator rotor ( 12 ) are disclosed. Methods consistent with the present invention provide techniques for repairing...
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6941644 |
Method for winding segments of a segmented wound member of an electromechanical device
A method of constructing a segmented wound member of an N phase electromechanical device comprises winding N sets of segments and combining the N sets of segments in a common circular arrangement...
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6941638 |
Interconnecting method for segmented stator electric machines
A method of connecting phases of a segmented stator electric machine includes providing a stator core. An end cap assembly is attached to the stator core. Winding wire is wound around the end cap...
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6943479 |
Stator for an electrical rotating machine
An electrical rotating machine in which the laminated magnetic circuit of an external stator includes a stack of yokes each made from a magnetic metal sheet and disposed substantially parallel to a...
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6938323 |
Method of manufacturing stator coil of rotary electric machine
A stator coil of a rotary electric machine such as an alternator for use in an automobile is composed of a plurality of U-shaped conductor segments inserted into slots formed in a stator core. Each...
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6938322 |
Method of making an electric motor stator assembly having a novel winding arrangement
A method is disclosed for making an electric motor stator. In accordance with the method, coil groups are inserted for different electrical phases through a first and second ends of a stator core....
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6938324 |
Method of manufacturing a stator core
A motor stator core for achieving improved magnetizing feature in lower magnetic fields and reduced iron loss, and improving motor power. The stator core fabriated out of non-oriented electrical...
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6935012 |
Dynamo electric machine and method of manufacturing the same
Each of a plurality of unit windings 41 is formed by being divided into a first winding section 42 having opened end portions and a second winding section 43 , and the first winding section ...
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6936948 |
Electric machine having an integrally continuous stator winding and stator slot bridges
The invention includes an electric machine having a rotor, stator and at least one winding in the stator adapted to conduct a current, and a secondary winding, electrically isolated from the first...
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6935011 |
Method of forming a stator for a brushless motor
A method of forming a stator for a brushless motor comprising providing a stator core having a generally rectangular body and having a plurality of teeth extending generally perpendicularly from a...
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6933640 |
Electric machine and method of assembling the same
An electric machine having a stator, a rotor, a first intermediate portion, an end cap, a second intermediate portion, and a second end cap. The first and second intermediate portions partially...
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6933649 |
Method of installation of a laminated stator core stack in the motor casing
A stator core stack formed by laminating a plurality of straight cores having a core back, a tooth, and a linking part for linking the core backs. In the stator core stack, the linking portion is...
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6927525 |
Unit core of motor with a yoke comprising an elongated end
Disclosed are a unit core and a method manufacturing the same. The unit core is opposite to the neighboring unit core on an electric steel plate in orientation, and its unit yoke has an elongated...
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6927512 |
Method for assembling an electrical connector assembly for a power tool
An electrical connector assembly for a power tool, a power tool and methods for assembling a power tool. A one-piece trace or spider terminal member assembly provides points of connection for the...
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6924577 |
Brush box assembly
A brush box assembly for use in an electric motor and an electric motor having a brush biasing mechanism that also retains the brushes to allow installation of a sliding electrical contact assembly...
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6923399 |
Manufacturing methods and apparatus for terminating dynamo-machine component wire coil leads
Methods and apparatus for terminating dynamoelectric machine component wire coil leads in situ in automated wire coil winding machines are provided. A shape-forming wire-termination fixture is...
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6920681 |
Method of preparing an electromagnetic actuator using a substrate
An electromagnetic actuator includes a stationary member, a movable member magnetically coupled with the stationary member with a gap therebetween, and a support member for displaceably supporting...
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6921055 |
Method for securing frame members for an electrical cabinet
In a cabinet having vertically extending side members ( 5 ) forming part of a chassis of the cabinet, panel mounts ( 1 ), also to extend vertically in the cabinet and to have panels mounted...
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6920683 |
Process for producing a rotor assembly of a stepping motor
In a stepping motor in which a cylindrical magnet which is magnetized in an axial direction is coupled with a rotary shaft and the magnet is clamped with rotor stacks formed by laminating annular...
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6920682 |
Mover assembly of reciprocating motor
A mover assembly of a reciprocating motor includes: a mover body disposed at a gap between an inner stator and an outer stator; permanent magnets fixed at an outer circumferential surface of the...
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6915557 |
Method of assembling rotor structure
A method of assembling a rotor structure for a spindle motor for use in an information recording and playback apparatus is provided in which pollution of the recording medium due to gases emitted...
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6915558 |
Method of assembling separable transformer
A stator core ( 11 ) is mounted to a stationary member ( 22 ) and electric wiring on the stator side is carried out, to thereby assemble a first sub-module ( 20 ), and a rotor core ( 12 ) is...
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6915556 |
Method for assembling conductive segments of a rotor winding or stator winding in a rotary electric machine
This process for assembling conductive segments ( 16 ) of a rotor or stator winding of a rotary electrical machine comprises the stages consisting in inserting the conductive segments ( 16 ) in...
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6912773 |
Method of forming a winding disc for an axial field electrical machine
The invention provides a stator coil construction in which the thickness of the stator windings is reduced without the need for interconnections within the stator. The reduction in thickness of the...
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6910258 |
Method of assembling windings on a rotor core
A method is disclosed for fitting a rotor enclosure over at least one assembly of field windings mounted on a rotor core, said method comprising the steps: applying a force to elastically reduce a...
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6910257 |
Production method of a sequentially joined-segment stator coil of a rotary electrical machine
A production method of a polyphase sequentially joined-segment coil of a rotary electric machine and a product produced by the same are provided. A production machine includes pairs of tines...
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6901649 |
Method of manufacturing a winding assembly for an alternator
A stator winding includes a plurality of winding sub-portions in each of which a strand of wire formed from a continuous wire is wound so as to alternately occupy an inner layer and an outer layer...
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6902132 |
Wire winding apparatus for dynamo-electric components
Methods and apparatus are provided for wire winding and fabrication for dynamo-electric machine components such as ferromagnetic armature or stator cores for motors or the like. Wire may be wound...
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6895653 |
Methods for repairing water-cooled generator stator bar clips
An apparatus for repairing a liquid cooled compressor stator bar bottle clip having a groove extending around an outer surface of the bottle clip is provided. In an exemplary embodiment, the repair...
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6889420 |
Method for making a stator for an electric machine
An electric machine such as a direct current motor or generator in which a stator is formed using a set of electrically conductive blade structures disposed about an inner axis of a stator core....
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6889419 |
Method of making a composite electric machine component of a desired magnetic pattern
A method of making composite electric machine components. Magnetic segments and non-magnetic segments are separately formed to green strength, and then arranged adjacent to each other in a desired...
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6888283 |
Interior permanent magnet synchronous motor
A stator ( 10 ) for a motor according to this invention has a substantially cylindrical shape and is disposed coaxially with respect to a substantially cylindrical rotor ( 20 ) which has permanent...
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6886236 |
Stator for an automotive alternator
A stator for an automotive alternator is provided with good installation characteristics for stator coils and which can lower noise. The stator includes a stator core in which a plurality of slots...
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6880230 |
Method for manufacturing yoke of electric rotating machine
A yoke in a motor includes a cylindrical yoke housing having a closed end and two magnets that is located in the yoke housing. The magnets are fixed to the yoke housing with adhesive. The adhesive...
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6880231 |
Electric motor and method for reducing end play
An electric motor and method for reducing or eliminating end play. The motor comprises an adjustment member that cooperates with an end lamina member to facilitate reducing end play. The adjustment...
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6880228 |
Method for manufacturing a three-phase transformer
A three-phase transformer and a method of its manufacture are presented. The transformer comprises a magnetic circuit and three coil blocks. The magnetic circuit comprises two spaced-apart,...
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6877210 |
Electrofriction method of manufacturing squirrel cage rotors
A method of making a squirrel cage rotor of copper material for use in AC or DC motors, includes forming a core with longitudinal slots, inserting bars of conductive material in the slots, with...
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6877214 |
Method of manufacturing a stack of laminations
A method of manufacturing a stack of interlock laminations and thereby shaping the stack of laminations into a desired shape. Each of the individual laminations is formed by a series of punching...
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6874221 |
Sensorless control induction motor rotor slot shapes and fabrication methods
A method for fabricating an induction motor rotor lamination includes using an indexed notching die to punch a plurality of closed rotor slots at different distances from a center point of rotation...
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6865796 |
Method of manufacturing a stator for an alternator with reduced conductor portions
Coil members are obtained by forming width-reduced portions in a wire material over a predetermined longitudinal range generally centered on cutting positions, then removing an insulation coating...
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6867512 |
Actuator having a permanent magnet
A solenoid for use in a valve such as an exhaust gas recirculation valve for a motor vehicle. The solenoid includes a housing having a coil for generating a first magnetic field. An armature is...
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6865797 |
Apparatus for locating and stacking punchings for a generator core
Punchings for stator core laminations of a generator stator frame are disposed on a rotary table to form annular arrays of punching, with each layer staggered relative to adjacent layers. A mandrel...
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