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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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7492067 |
Stator for outer rotor multipole generator and method of assembling the stator
An outer rotor type multi-pole generator stator is provided in which a lead wire extending from a coil is connected by fusing to a connecting terminal fitted into and fixed to a bobbin wherein, in...
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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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7462972 |
Commutator for an electric machine
A commutator for an electric machine comprises a support member made from insulating molding compound, a plurality of metal conductor segments ( 3 ), disposed thereon in evenly spaced manner around...
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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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7437790 |
Pool cleaning vacuum employing multiple power supply sources and associated method
A pool cleaning vacuum employing multiple power supply sources and associated method includes a body including first, second and third vertically juxtaposed chambers formed therein. The chambers...
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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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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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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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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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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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7287311 |
Manufacturing method of stator for vehicular rotary electric machine
A manufacturing method of a stator for vehicular rotary electric machine includes: forming an indentation in a radial direction in a side face of each of electrical conductors in the machine by...
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7274125 |
Current collector ring for a generator having balance resistors
An electrical generator having a stator assembly and a rotor assembly is provided. The rotor assembly has a rotor member, a first collector ring, and first and second rotor coils. The first...
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7254881 |
Method for manufacturing an armature of a rotation apparatus
A motor includes a stator having magnets, a rotor having teeth, a commutator secured to the rotor, and brushes. A coil is wound about each tooth. The commutator is connected to the coils. The...
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7222409 |
Method of manufacturing a small vibration motor
A driver IC and passive parts, which convert a direct current voltage into a three-phase voltage, and an FP coil for cyclically generating a magnetic field through the driver IC are mounted on a...
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7219411 |
Method for manufacturing commutator having commutator segments
A feed rate of a single-point cutting tool, which is an axial relative moving distance of the cutting tool along an outer peripheral surface of an unfinished commutator product per revolution of...
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7213324 |
Method and manufacturing stator coil structure for revolving field electrical machine
A number of embodiments of rotating electrical machines and methods for winding them that provides a high space utilization and very effective winding with less likelihood of damage to the...
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7210214 |
Method of immulating between coils of different phases of electric motor
A method of insulating the proximal portions of the coil edges of the stator. The insulation sheet has a folding portion for folding one or more coils of the same phase and two insertion portions...
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7194794 |
Method for producing electrical machines
An electrical machine has a base body provided with conductors fixed in grooves of the base body by a material which limits a groove slot at both sides, and the conductors in the grooves are...
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7194793 |
Method for producing an edge reflection type surface acoustic wave device
A method for adjusting a frequency characteristic of an edge reflection type surface acoustic wave device includes the step of obtaining a frequency characteristic of an edge reflection type...
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7159296 |
Coil-winding machine stator installation jig
A stator stack and stator jig assembly provide a consistent amount of slack in stator coil wires without increasing the complexity of coil-winding machines or adding production steps, and prevent...
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7155805 |
Method for making stator of rotary electric machine
A rotary electric machine has a stator core and a winding. The winding has a plurality or sub-winding sets which are mounted on the stator in the order. Each of the sub-winding sets has a plurality...
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7146708 |
Method of making a composite electric machine rotor assembly
A method of making composite electric machine rotor assembly of a desired magnetic pattern. Magnetic segments and non-magnetic segments are separately formed to green strength, and then arranged...
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7146707 |
Method of assembling a balanced high speed generator rotor
An improved apparatus and method of having a pair of end caps on a rotor assembly of a multi-pole high-speed generator is provided for use with a turbine engine. The rotor assembly provides...
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7127795 |
Rotor assembly and method for making the rotor assembly
A rotor assembly and method for making the rotor assembly 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...
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7124495 |
Method for making an electric motor
Transverse flux electric motors are made using a unique process where individual components are premade and then assembled together. A stator portion is made by nesting a coil between two stator...
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7120985 |
Manufacturing method of layered core
A method of manufacturing a layered core. The method includes the steps of: arranging a first plurality of yoke parts to define a first configuration magnetic pole sheet layer having first and...
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7114236 |
Method for manufacturing an armature for a dynamo-electric machine having offsetting and overlapping coils
A method for manufacturing an armature including securing a core to the shaft having a plurality of slots extending in the axial direction formed on the outer circumferential surface thereof,...
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7103964 |
Method of manufacturing a circuit for an electrical machine
A method of manufacturing a magnetic circuit for an electrical machine, the method comprising:
using a cutting station to cut out at least one strip of sectors that are interconnected by...
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7096566 |
Method for making an encapsulated coil structure
Magnet wires wound in slots in a lamination stack of a dynamoelectric machine are encapsulated, in whole or in part, with plastic. The plastic may be thermally conductive and have features molded...
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7093344 |
Slack-forming mechanism for stator coil
A slack-forming mechanism for stator coils that is able to impart slack of appropriate size to the stator coil without imposing an excessively heavy burden on the coiling machine. The slack-forming...
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7091642 |
Field assembly for a motor and method of making same
A cylinder/magnet assembly for a field of an electric machine, such as a stator of a brush type motor or a rotor of a brushless motor, alternator or generator, is formed by stamping a blank to form...
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7088024 |
Field assembly for a motor and method of making same
A stator of an electric motor is formed by inserting pre-formed magnets on a cylinder having anchors and plastic is molded around the magnets and anchors to secure the magnets to a surface of the...
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7086137 |
Rotor assembly method
A rotor and a method of constructing a rotor are disclosed. The rotor includes a hub that is capable of being supported by a shaft that extends along an axis, a plurality of laminations, and a...
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7051422 |
Method of producing plane carbon commutator
A method of producing a plane commutator in which it is easy to integrally form carbon and segment, connecting strength between the carbon and mold resin is enhanced, and conductivity is enhanced....
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7043822 |
Method of manufacturing commutator of rotary electric machine
A method of manufacturing a commutator of a rotary electric machine includes a step of forming a first unitary material having nail portions, a step of forming a second unitary material for the...
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7036207 |
Stator assembly made from a plurality of toroidal core segments and motor using same
A plurality of stator arc segments form a toroidal core for a stator assembly used to make a motor. In a preferred embodiment, a plurality of magnetic fields is created when electrical current is...
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7032291 |
Method of manufacturing stator winding of rotary electric machine
A method of manufacturing a stator winding includes a twisting step of U-shaped conductor segments having a pair of straight portions by moving the straight portions in the circumferential...
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7028385 |
Method for improved distribution of cooling air in an electric machine
Method for retrofitting an electric machine to reduce temperature rise therein. The method allows for removing at least a portion of an originally assembled coil support on a spider structure of...
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7019432 |
Flat commutator
In a plane commutator with a support member, a plurality of conductor segments and an equally large number of carbon segments connected interlockingly and electrically conductively to the conductor...
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7003867 |
Method for winding coils on rotor core
A core includes a ring body and a plurality of teeth. The teeth extend radially outward form the outer circumference of the ring body. The core is formed by assembling a first core member and a...
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7000307 |
Method for reducing arcing for motor armature with distributed windings
An armature for a brush commutated electric motor having a distributed coil winding arrangement for reducing brush arcing and electro-magnetic interference (EMI). The winding pattern involves...
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6988300 |
Method of producing a piezoelectric element
A piezoelectric element contains a piezoelectric ceramic body having a layered perovskite structure, and has the C axis selected and oriented in the thickness direction. In the piezoelectric...
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6984915 |
Electrical slip ring platter multilayer printed circuit board and method for making same
A slip ring and a method for manufacturing a slip ring utilizes a first double clad copper laminate with a first side and a second side separated by a first dielectric and a second double clad...
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6971152 |
Method of expanding types of synchronous motors and synchronous motors produced by the method
A method of expanding types of synchronous motors capable of reducing the number of required stator types to use stators in common, and a synchronous motor produced by the method. A group of...
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6959486 |
Apparatus for gripping wire in an armature winding machine
An apparatus for gripping temporarily the wire in an armature winding machine. The machine is of the type comprising a gripper formed by an arm ( 11 ) having an end ( 13 ) connected to a support (...
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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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