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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...
7608968 Dust core and method of manufacturing the same  
A stator core includes first and second annular dust core pieces. Each of the first and second annular dust core pieces has a plurality of arcuate dust core pieces each integrally having a yoke...
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...
7603759 Method for manufacturing a motor having a control circuit board  
A control circuit board is received in a circuit board receiving case without being directly joined to the circuit board receiving case and has a circuit board side connector. The circuit board...
7600311 Method for producing a magnetically excitable core comprising a core winding for an electric machine  
A method for producing a magnetically excitable core for an electrical machine, by which in a method step (S 1 ), the core, having a substantially parallelepiped shape with slots extending parallel...
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...
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...
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...
7579745 Motor  
A rotor is operable to rotate in a rotating direction, and is provided with five teeth that define five slots therebetween at regular intervals in the rotating direction. A pair of arc-shaped...
7578047 Methods of stitching interconnecting wires on a stator to reduce phase-on-phase conditions  
A method of stitching a plurality of interconnect wires on a stator of an electromagnetic machine is disclosed. The stator includes a plurality of discrete and individually wound stator segments...
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...
7562590 Torque detecting device and manufacturing method of yoke assembly  
A yoke assembly is constructed by retaining integrally a yoke ring having positioning holes aligned with pole claws arranged equally on the inner circumference and a yoke ring having positioning...
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...
7562438 Jig for assembling rotor  
Disclosed herein is a jig for assembling a rotor. The jig includes an upper jig part, a lower jig part, a support plate, a guide jig part, and a spring. The upper jig part has a pressure protrusion...
7549207 Method of manufacturing an actuator  
A manufacturing method for an actuator including a casing and a housing. The method includes setting a metallic ring in a molding die; injection molding a first flange portion of the casing using...
7546673 Method for electric motor terminal welding isolation  
In a manufacturing method of an electric motor, at a time of in-sequence arc welding each of one end of a plurality of lined-up connector terminals to each of a plurality of lined-up detection...
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...
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...
7530161 Quick-form metal tooling system for generators stator bars  
A modular “quick-form” tooling system and stator bar form set-up method is provided for reconfigurably mounting various stator bar bending/forming tool modules that are used to produce custom...
7530157 Method of forming coils of a stator of a rotary electric machine  
A method of manufacturing coils that includes forming a predetermined number of U-shaped conductor segments. The U-shaped conductor segments are twisted using first twisting formation jig composed...
7530156 Lamination cooling system formation method  
An electric motor, transformer or inductor having a cooling system. A stack of laminations have apertures at least partially coincident with apertures of adjacent laminations. The apertures define...
7526855 Methods of manufacturing voice coil motor magnetic returns  
Methods to make rotary and linear voice coil motors, having either single air gaps or dual air gaps. A first embodiment of the invention involves a method to manufacture voice coil motor magnetic...
7526853 Method for handling a stator bar  
A cradle for a stator bar including: a platform having a length extending at least two-thirds the stator bar; a plurality of clamps arranged along the length of the platform and at least one end...
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...
7518281 Electric motor with a housing for at least two carbon brushes  
An electric motor includes carbon brushes ( 5 ) disposed in a holder ( 6 ) that are pressed by means of a spring force ( 7 ) in a radial direction against a jacket face of a cylindrical collector (...
7513029 Tool for manufacturing coils for dynamoelectric machines and method therefor  
A tool and method for winding and forming a field coil for field assembly, such as a stator, includes separable tool halves defining a winding cavity therebetween. The winding cavity receives...
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...
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...
7480987 Method for pre-forming conductors for motor rotors and stators  
Method and apparatus for pre-forming insulated conductors for motor rotors and stators for use in a next process in forming motor rotors and stators. In accordance with the full exemplary process,...
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...
7478777 Apparatus for producing a stator with grooves to receive a stator winding, such as a stator of a ring generator for a wind power installation  
An apparatus produces a stator in which grooves are provided at the inner or outer periphery in mutually spaced relationship to receive a stator winding. The stator thus produced may be used in a...
7478471 Method for mounting a drive shaft of a compressor  
The invention concerns a method for mounting a drive shaft ( 19 ) of a compressor, particularly a hermetical refrigerant compressor, which has a motor with a stator ( 1 ) and a rotor ( 23 ),...
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...
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...
7464460 Method of metallurgically bonding a stator bar  
A method for metallurgically bonding a stator bar to a coupling to reduce the incidence of leak paths resulting from corrosion. The stator bar comprises strands through which a liquid coolant can...
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....
7462966 Synchronous electric motor, particularly for washing-machines and similar household appliances, and relevant assembling method  
Synchronous electric motor ( 3 ) for washing-machines ( 1 ) and similar household appliances with rotary drum ( 2 ), of the type comprising an inner stator ( 5 ) having relative stator windings ( 9...
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...
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...
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...
7437253 Parametrically disciplined operation of a vibratory gyroscope  
Parametrically disciplined operation of a symmetric nearly degenerate mode vibratory gyroscope is disclosed. A parametrically-disciplined inertial wave gyroscope having a natural oscillation...
7434759 Multiple wire winding  
The present invention concerns forming wire coils by simultaneously winding a plurality of wires onto a dynamo-electric machine component. In order to maximize the amount of wire that can be placed...
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...
7421776 Clamp to attach a stator bar to a clip  
A clamp for attaching a clip to an end of a stator bar including: an anchor adapted to fit into an open end of the clamp; a bracket having a first leg extending radially from the anchor and a...
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...
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...
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...
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...
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...
7389583 Method of manufacturing a stator component  
The invention relates to a method for manufacturing a stator component that is intended in operation to guide a gas flow and to transfer loads. The component is constructed of at least two sectors...