U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The production of too many useful things results in too many useless people."

Karl Marx

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 310/217 - Securing laminae


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter relating to means for securing laminae.
No. of applications: 135
Last issue date: 06/25/2009


1        
Application No.Application TitleIssue Date
20090160276MOTOR ASSEMBLY
A motor includes a rotor core and a stator core disposed about the rotor core. The stator core includes three support portions and at least one end bracket supporting the stator core solely by three mounting portions that are interconnected with a respective support por...
06/25/2009
20090152977ELECTRICAL MACHINE CIRCUIT ELEMENT
An electrical machine circuit element (1) comprises a flat metal sheet (2) provided with a plurality of slots (3) for an electric and/or cooling circuit. The elements (1) presents a plurality of clips (5) which project from the flat me...
06/18/2009
20090140598Rotor construction in an electric motor
A rotor of an electric motor with a cylindrical shaft and a magnetically conducting laminated core, the laminated core having a central shaft duct. The laminated core can be fastened reliably and permanently to the rotor shaft, without significantly increasing manufactu...
06/04/2009
20090140597Tubular electrical machines
A stator for a tubular electrical generator or motor has a substantially cylindrical inner surface containing a series of axially-spaced slots for receiving the coils of a stator winding. The stator is formed from a plurality of stacked annular laminations that define t...
06/04/2009
20090140599ROTATING MACHINE
A thin plate 80x forming a stator tooth 80 has two convex portions 83 on each of side faces 80b, 80c. Four convex portions 83 are a sharpened convex portion 83a of which a tip portion has a thi...
06/04/2009
20090134741System and Method for Securing a Rotor to a Motor Drive Shaft Using Cam Fasteners
A rotor assembly for mounting a rotor to a motor shaft having a rotor with a centrally positioned central bore, the diameter of which is slightly larger than a diameter of the motor shaft, a first stepped bore intersecting the central bore and being aligned along a firs...
05/28/2009
20090115281Armature of Rotating Electric Machine and Method of Manufacturing the same
A rotating electric machine includes a shaft and an armature with a core that includes a shaft hole. The core includes a plurality of core materials that are laminated. When pressing in and fixing the shaft to the shaft hole, the shaft hole is applied with an ironing pr...
05/07/2009
20090115282Electrical Machine and Vehicle Drive Device Equipped with the Same
An electrical machine includes a stator that includes: a yoke formed with laminated annular steel sheets; and a plurality of magnetic poles which protrude towards an inner diameter side of the yoke and on which a field coil is wound. In the stator, a radial width of apa...
05/07/2009
20090108697METHOD OF FIXING A STATOR CORE AND AN ELECTRIC COMPRESSOR
A method of fixing a stator core in a cylindrical housing includes the following steps. The first step is a step of blanking a plurality of stator core sheets from an electromagnetic steel sheet by using a die. The die has a circular outside contour for blanking the sta...
04/30/2009
20090072655DYNAMO-ELECTRIC MACHINE
A first laminate layer block having a bolt fixing unit laminated/fixed by caulking a plurality of steel plates having lug metals protruding diametrically and a second laminate layer block laminated/fixed by caulking a plurality of steel plates not having lug metals are ...
03/19/2009
20090066184TORQUE TRANSMISSION ASSEMBLY FOR SUPERCONDUCTING ROTATING MACHINES
A rotor assembly includes a superconducting winding assembly positioned within a cryogenic region of the rotor assembly. In operation, the superconducting winding assembly generates a magnetic flux linking a stator assembly. The rotor assembly also includes a torque tra...
03/12/2009
20090066182STATOR WINDING ASSEMBLY AND METHOD
Disclosed herein is an electric machine stator. The electric machine stator includes a tubular body with a plurality of radial slots formed into a perimetrical surface thereof, each of the plurality of slots having a width that varies over at least a portion of a radial...
03/12/2009
20090066183Motor, rotary electric machine and its stator, and method for manufacturing the stator
A laminated core segment 30 into which a stator core is split has a core main body 31 that extends in an arc shape. On one end section of the core main body 31 there is formed a connecting section 40, and on the other end section there is for...
03/12/2009
20090058218LAMINATED ROTARY ACTUATOR WITH THREE-DIMENSIONAL FLUX PATH
A rotary actuator includes a stator assembly positioned within an outer enclosure. A rotor assembly is positioned adjacent to the stator and is configured to rotate relative thereto and about a centerline axis of the rotary actuator. Each of the outer enclosure, the sta...
03/05/2009
20090058217STATOR LAMINATIONS FOR ROTARY ACTUATOR
A rotary actuator includes an outer enclosure having an inner diameter surrounding a hollow interior. A stack of stator laminations, each having a stator diameter greater than the inner diameter of the outer enclosure when in an unflexed state, are also included in the ...
03/05/2009
20090026874Method for Mounting an Armature Laminated Core on an Armature Shaft and Armature Laminated Core for an Armature Shaft and Armature Shaft with Pressed-On Armature Laminated Core
The invention relates to a method for mounting an armature laminated core (6) on an armature shaft (2) for an electric motor, the armature shaft (2) being formed either from electrically insulating solid plastic or being a shaft which is sheathed wi...
01/29/2009
20080315710Stator and Motor, to Which the Stator is Applied, and Method of Manufacturing the Stator
There is provided a stator in which a plurality of divided stators are annularly combined with each other, and each divided stator includes: a divided lamination iron core having teeth portion and a yoke portion, and constructed by laminating electromagnetic steel sheet...
12/25/2008
20080296994SYNCHRONOUS RELUCTANCE MACHINE
A synchronous reluctance machine is provided. The synchronous reluctance machine includes a stator having a stator core, the stator core including a number of fractional-slot concentrated windings wound around multiple stator teeth. The synchronous reluctance machine al...
12/04/2008
20080231138Laminated core
A laminated core includes a laminated body, clamping plates and holding members. The laminated body includes a plurality of amorphous alloy plates, which are stacked one after another in a stacking direction such that each adjacent two of the plurality of amorphous allo...
09/25/2008
20080211340Rotor of Synchronous Reluctance Motor
A rotor of a synchronous reluctance motor, comprising: a laminated core formed by laminating a plurality of silicon steel sheets, and having a barrier formed at each of regions equally divided on the basis of the center of each silicon steel sheet and a guide pin hole f...
09/04/2008
20080191578Stator For An Electric Machine
The invention relates to a stator for an electric machine, which has a core comprised of laminated sheet metal (1), the pole teeth (2) of each laminated sheet metal (1) of the core being connected to one another via respective webs (3). The l...
08/14/2008
20080179986DYNAMOELECTRIC MACHINE AND MANUFACTURING METHOD FOR STATOR USED THEREIN
Respective divided segments of a collet are moved radially outward by moving an arbor axially. The respective divided segments thereby press an inner circumferential surface of a stator core of a stator from radially inside such that the stator is held coaxially by the ...
07/31/2008
20080174200Method of manufacturing rotor of electric motor and electric motor
A method of manufacturing a rotor of an electric motor, the rotor including a laminated core of multi-layer structure formed from electromagnetic thin plates laminated in an axial direction of a rotational shaft, and a pair of end plates disposed on opposite sides in th...
07/24/2008
20080169722STATOR CORE
A stator core includes a laminated core member and a single-piece insulating layer. The laminated core member includes: a central ring portion defining an axis, and having first top and first bottom sides disposed opposite to each other, and an outer periphery extending...
07/17/2008
20080157633MOUNTING STRUCTURE FOR A STATOR OF A MOTOR
A mounting structure for a motor includes a tube and a stator. The tube includes at least an axial positioning block and at least a radial mounting block. The stator defines an axis hole for receiving a portion of the tube therein, and at least a positioning groove in a...
07/03/2008
20080136277Motor-Pump Unit Having a Wet-Running Electric Motor and a Hydraulic Pump which is Driven by the Electric Motor
The invention relates to a motor-pump unit having a wet-running electric motor and a hydraulic pump which is driven by the electric motor. The electric motor has a rotor and a laminated stator core surrounding it. The electric motor is terminated at one end by a connect...
06/12/2008
20080129141Laminated Core Structure of Motor
The laminated core structure of a motor includes a stator iron core formed by laminating a plurality of stator iron core thin sheets in which a plurality of magnetic poles are provided at fixed intervals along the circumferential direction on the inner peripheral side s...
06/05/2008
20080130169SPINDLE MOTOR AND DISK DEVICE PROVIDED WITH THE SAME
According to one embodiment, a disk device includes a recording medium, a spindle motor which supports and rotates the recording medium, a head, and a head actuator which supports the head for movement. The spindle motor includes a rotor, a fluid bearing which supports ...
06/05/2008
20080129142Segmented Stator with Improved Handling and Winding Characteristics
A stator assembly has discrete stacks of laminations. A plurality of nonmagnetic containment structures define pockets. The stacks are at least partially received in the pockets and coupled to one another by the containment structure. The containment structures are move...
06/05/2008
20080122311ROTOR ASSEMBLY AND METHOD OF ASSEMBLING A ROTOR OF A HIGH SPEED ELECTRIC MACHINE
A rotor assembly for a high speed electric machine and associated methods are provided. The rotor assembly includes a shaft, a plurality of laminations positioned along an axial extent of the shaft forming a lamination stack, a pair of end plates each positioned on one ...
05/29/2008
20080122300Motor
A motor adapted to rotate an element of an appliance, for example, a drum of a washing machine, is disclosed. The motor includes a rotating shaft which is rotatably mounted to a motor mounting member of an appliance, a rotor which includes magnets circumferentially arra...
05/29/2008
20080100157AXIAL GAP CORELESS MOTOR AND POSITIONING UNIT
An axial gap coreless motor includes a stator including a stator yoke having a surface and being composed of a plurality of laminated layers of silicon steel sheets secured together, a wiring substrate having a surface and being disposed on the stator yoke surface, and ...
05/01/2008
20080100171Stator, motor and record medium drive apparatus and method of fabricating stator
A stator includes a base board, a plurality of coil patterns patterned on one face of the base board, a stator core having a ring-like portion formed in a ring-like shape, a plurality of teeth base ends of which are fixed to the ring-like portion and front end portions ...
05/01/2008
20080093950Polyphase Claw-Pole Machines With a Segmented Magnetic Circuit
A polyphase claw-pole armature for an electrical machine is made with several identical segments regularly distributed along the direction of motion and spaced by a magnetic air gap. The number of segments is equal or a multiple of the number of winding phases. Each seg...
04/24/2008
20080088197Dynamoelectric machine
The stator core is configured into a cylindrical shape by abutting a laminated core that is obtained by bending and forming a rectangular parallelepiped lamination and integrating the stator core by welding. The lamination is configured by laminating a predetermined num...
04/17/2008
20080054746MOTOR HAVING THRUST SYSTEM
An electric motor includes a stator, a rotor including a rotor shaft having a locating groove formed therein, a thrust system mounted on the rotor shaft, and a locator disposed in the groove for locating the thrust system in a predetermined position....
03/06/2008
20080042514Power generator stator assembly, a stator core module assembly, and a process for assembling a stator core module assembly within a stator frame
A stator core module assembly (20) is provided which is adapted to be mounted to at least one structural element (16,18) coupled to a stator frame (10). The stator core module assembly comprises a stator core module (22) adapted to form part ...
02/21/2008
20080024031LAMINATED BODY OF MOTOR AND MANUFACTURING METHOD THEREOF
A laminated body of a motor includes: a yoke spirally laminated to form a hollow cylindrical shape; a plurality of teeth protruding from one side edge of the yoke disposed along a longitudinal direction of the yoke and being separated apart at a predetermined distance; ...
01/31/2008
20080012445ROTATING ELECTRICAL MACHINE
A rotating electrical machine comprises a stator and a rotor; the stator comprising a stator core having teeth and slots, and stator windings disposed in the slots, wherein the stator core is made of laminated steel sheets, teeth and slots of the steel sheet are made by...
01/17/2008
20070296301STATOR CORE
A stator core is disclosed. The stator core is constructed in a structure in which stress of the stator core is minimized when a stator is manufactured in a spiral fashion, whereby workability is improved. The stator core includes a yoke formed in the shape of a band, a...
12/27/2007
1        
 
Sign InRegister
Username  
Password   
forgot password?