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6288469 |
Fixing device and method for a brush holder
A fixing device for a brush holder having a pair of leg pieces extending away from an upper surface of the brush holder. The leg pieces have fingers extending away from the free ends of the leg...
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6282775 |
Methods for injecting stator winding coil groups into a stator core
An apparatus for injecting a plurality of coil groups into a stator core of a dynamoelectric machine is described. The injection apparatus includes, in one embodiment, a stripper assembly including...
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6282773 |
Apparatus for producing winding slot insulators and inserting same into the stator core of an electromechanical machine
Insulating slot liners for insertion into stator core winding slots are formed from a narrow-width reel of insulating material. The width of the material is determined by the inner circumferential...
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6281612 |
Stator of AC generator for use in vehicle and method of manufacturing the same
A stator coil has tooth portions and slot portions defied between adjacent tooth portions. Each tooth portion has a rectangular cross-section perpendicular to the axis of the stator core. A group...
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6278206 |
Electrical connection apparatus and method for connecting an alternator stator
An electrical machine such as an alternator (10) has a first housing (14) and a second housing (16) with a stator core assembly (18) therein. The stator core assembly has a plurality of windings...
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6274957 |
Reduced size electromagnetic device
An electromagnetic device of significantly reduced size is provided by the specific designs of the end shields of the device and by the specific designs of insulating end caps of the device that...
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6269706 |
Starter and its installation method
To fully secure the precision around an output shaft, an electromagnet is axially held in position between a center bracket and a front bracket which form an enclosing member for a starter.
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6267317 |
Stator winding method and apparatus
A stator winding machine has a turret plate mounted for rotation about a vertical axis with stator clamp mechanisms mounted at spaced locations around its periphery for clamping stators to the...
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6262511 |
AC generator stator core for vehicle and production method thereof
A thin metal sheet is laminated to form in advance a plurality of core units (of a circular cylinder shape) having the thickness of 1/N (N is a natural number of more than 2) of a predetermined...
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6254027 |
Winding machine
A winding machine, as a ball screw mechanism for moving a nozzle section (10) in three dimensional directions, comprises a lateral movement mechanism (20), a lengthwise movement mechanism (30), a...
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6247223 |
Methods of making an electric motor and thrust bearing assembly for same
A fractional horsepower motor has a thrust bearing assembly mounted on the motor shaft to dampen the axial movement of the shaft. The assembly includes a thrust collar formed of resinous material...
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6246142 |
Stator core for car AC generator and process for producing stator core for car AC generator
A stator core which joint vibration in a radial direction and can suppress a vibration mode and a production process therefor. The stator core has a plurality of welded portions formed on the...
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6242836 |
Vehicle AC generators stator and method of manufacturing the same
In a stator of a vehicle ac generator, a slot insulator has a portion closing the opening of a slot. Therefore, portions of the stator winding disposed in the slot can be retained in the slot...
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6242824 |
Motor and manufacturing method thereof
A motor is provided wherein a spindle of a motor body and a worm shaft of a speed reducer are easily coupled. When a yoke housing and a gear housing are to be assembled, first engaging bulges and...
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6237214 |
Apparatus for manufacturing laminated parts with center interlock
Progressive die assembly for forming a centrally interlocked stack of laminations for rotors, the stack of laminations having a central stack axis. The die assembly includes a punch which forms a...
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6237213 |
Process of manufacturing an electrical rotating actuator such as for use in weaving looms and weaving systems
A method of forming a stator for an electrical actuator of a type which may be used in weaving looms and weaving systems wherein a stack of armature plates having two-spaced sections are initially...
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6230388 |
Method for producing a stator for electric machines
A method for producing a stator for electric machines, wherein a plurality of coils (10) is prewound and drawn into a stator lamination package. Subsequently the wire ends (14) of the coils (10)...
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6232682 |
Gas cooled solid conductor series loop cap assembly
A cap for disposition on a series loop of a bar wound armature of an electrical system and having openings in side walls thereof for providing ventilation flow to the solid series loop. The...
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6229241 |
Structure and manufacturing method for motor and stator
A motor having a lap winding structure and a manufacturing method therefor, wherein inserts of two different coils are installed side by side in one slot of a stator in a circumferential direction...
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6225725 |
Manufacturing process of a divided type stator
In manufacturing the iron core of a divided stator, a plurality of pole pieces with fitting portions formed on both sides of pole portions are laminated and fixed to one another. A plurality of the...
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6223417 |
Method for forming motor with rotor and stator core paired interlocks
A method for making a core for one of a rotor and a stator for use in an electric motor, the core being formed from a plurality of laminations, includes forming a predetermined number of...
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6223416 |
Method of manufacturing a dynamoelectric machine
A dynamoelectric machine constructed for speed and accuracy of manufacturing has a stator core constructed of 90° symmetrical stator laminations and the windings have differing numbers of poles...
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6219900 |
Method of assembling a stator core
A method of assembling a stator core, the stator core having a plurality of segmented cores. Each of the segmented cores has an arcuate yoke portion, a pole portion extending diametrically inwards...
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6218922 |
Bearings for proportional solenoid
Proportional solenoids have low friction bearings formed by molding a pair of annular bearings in imprecise grooves formed in armatures so that radially outer surfaces of the bearings have a...
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6215210 |
Motor, structure of stator of the motor and assembly method of the stator
The present invention provides a motor and a stator structure of the motor and an assembly method of the stator structure and a method of installing the motor. The stator structure of the motor...
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6215209 |
Small-sized motor equipped with worm gear reducer and method of manufacturing the same
A small-sized motor equipped with a worm reducer according to the present invention includes a cavity portion 10 formed in a gear case 17, which accommodates a worm 6 mounted on a motor shaft 4 and...
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6206319 |
Wire winding clamp
An apparatus and method for winding dynamoelectric machine field windings including a winding tool supported for longitudinal and rotational movement relative to a stator supported by a stator nest...
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6205644 |
Method of assembling an electric motor
A method of assembling an electric motor by building the motor in one direction without the need to turn the motor end over end during the assembly process. The method includes providing a first...
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6202286 |
Method for creating a joint between the exciter poles and the pole casing of an electric machine
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6204579 |
Electronic switching electric motor
An electronic switching electric motor having a rotor and a stator having a number of stator teeth is characterized in that an assembly element of stator teeth is made of plastic and is co-molded...
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6204577 |
Method and apparatus for space-saving installation of a starter-alternator
An installation and support apparatus or assembly 18 is provided for use in combination with an electric machine 10, such as a starter-alternator, which is adapted to be operatively installed...
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6201324 |
Stator pole teeth for a claw pole stepping motor
A stator structure enables a claw pole motor to be reduced in diameter and to highly increase its performance. In a stator structure of the claw pole stepping motor comprising a stator that...
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6199265 |
Method of securing magnets of revolving electric machine
When a magnet cover 21 is press-fitted into the inner peripheral surfaces of magnets 18 annularly arranged on the inner peripheral surface of a hollow cylindrical yoke 11 having at an end thereof a...
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6201321 |
Apparatus and method for dissipating heat from a motor
Heat-conductive masses of material encapsulate end turns of a stator fixed in a housing of a motor to dissipate heat from the stator through the side and one end of the housing. In one embodiment,...
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6198181 |
Motor design methods and motors fabricated therefrom
A motor which has optimal performance along with minimal performance sensitivity with respect to manufacturing variations is described. Performance is defined by a critical-to-quality relationship....
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6198193 |
Supporting configuration for the stator of an electric machine, in particular of a turbogenerator
A configuration for supporting a first part of a stator of an electric machine, in particular a turbogenerator, at a second part of the stator, in which the first part and the second part are at a...
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6188156 |
Cast rabbet joint for proper alignment of assembled components
A rabbet joint between two components of an assembly eliminates the possibility of the formation of an undesirable radius between angled surfaces of the rabbet by segmenting the surfaces with...
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6181044 |
Vehicle AC generator stator
A stator of a vehicle AC generator including a stator core having a plurality of slots and a stator winding disposed in the slot. The stator winding includes a plurality of conductor segments...
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6181042 |
Method for preventing corona surface damage in end windings of air-cooled motors and generators
An end winding (10) of a high voltage air-cooled ac generator or motor is made more resistant to surface deterioration by corona activity by using a paint whose binder contains at least 20% by...
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6167610 |
Method of making a rotary motor
Magnetic materials which are divided into a plurality of blocks or divided corresponding to respective magnetic pole teeth are connected by means of thin portions. The respective magnetic pole...
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6166474 |
Molded stator core for electric motor
A molded stator core for an electric motor includes a stator core including a yoke and a plurality of teeth formed on an outer periphery of the yoke, the teeth having different types, and a...
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6163952 |
Method of manufacturing armature of motor using hoop member
A motor armature having a simplified assembly comprises an inner cylinder and an outer cylinder arranged coaxially, and a plurality of pole pieces provided radially at equal intervals between the...
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6166469 |
Method of fabricating a compact bearingless machine drive system
A compact bearingless machine drive system includes: a first rotor segment; a first stator segment with the first stator segment including a drive winding and a first control winding; a second...
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6161274 |
Dynamoelectric machine and processes for making the same
Disclosed are methods of making dynamoelectric machines which include use of two sheet metal cup-shaped members to form a housing that completely surrounds and encloses the stator. The stator is...
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6148499 |
Method and device to draw-in coils into slots of stator laminated cores of electric machines
A method and apparatus for drawing windings into slots in laminated stators of electrical machines by producing coils on a form and transferring the coils onto an insertion tool. The insertion tool...
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6148501 |
Fabrication means for in-hub spindle with separate fluid dynamic bearings
A method of fabricating a spindle hub assembly (90) including precision machining critical surfaces of the hub components (60, 33) that mount onto a spindle shaft (30) and accurately locate the...
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6145187 |
Method for manufacturing a claw pole stator structure
A multipole brushless DC motor stator is formed with a pair of complementary opposable claw pole stator structures in which each of the stator structures comprises a stator base formed of a...
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6147431 |
Stator core and method of manufacture therefor
A plurality of strips formed with tooth portions and core back portions is punched from a single band of sheet steel. Next, a plurality of strips is stacked such that the tooth portions line up...
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6145772 |
Device for winding coils in axial grooves of rotationally symmetrical bodies of electric equipment
In a device for winding coils from at least two parallel guided winding wires in axial grooves arranged on the outer circumference of rotationally symmetrical bodies of electric equipment and for...
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6145773 |
Tool changing methods and apparatus for an armature winding machine
Apparatus and method in a motor winding machine for shielding a dynamo-electric core, including a shielding assembly including a longitudinal member defining a longitudinal axis, a first end...
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