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Pneumatic Shoe Lacing Apparatus

This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.

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Class 310/156.11 - Magnets in shaft


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter wherein at least one permanent magnet is
No. of patents: 44
Last issue date: 12/29/2009


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NumberTitleIssue Date
7638915Modular magneto-mechanical device
An electromechanical device has a rotor, a stator, and a module that at least partially houses the rotor. During normal operation of the electromechanical device, the stator is positioned external to and separate from the module. ...
12/29/2009
7372195Electron beam source having an extraction electrode provided with a magnetic disk element
An electron beam source for use in an electron gun. The electron beam source includes an emitter terminating in a tip. The emitter is configured to generate an electron beam. The electron beam source further includes a suppressor electrode laterally surrounding the ...
05/13/2008
7365464Composite rotor and output shaft for galvanometer motor and method of manufacture thereof
A rotor is disclosed for a galvanometer system. A rotor includes a permanent magnet core, a sleeve and at least one shaft unit. The sleeve encloses and attaches to at least a portion of the permanent magnet core. The sleeve is formed of a material having a density o...
04/29/2008
7262535Rotor shaft for limited rotation motors and method of manufacture thereof
A limited rotation motor system that includes a rotor is disclosed wherein the rotor includes a sleeve with a first open end and an a second end having an integral closed end element, and a permanent magnet that is received through the first open end of the sleeve. ...
08/28/2007
7212325Mirror mounting structures and methods for scanners employing limited rotation motors
A mirror mounting unit is disclosed for use in a limited rotation motor system. The mirror mounting unit includes a mirror, and a tapered base for coupling the mirror mounting unit to an output shaft of a limited rotation motor. In various embodiments, the tapered b...
05/01/2007
7205695High speed rotor
An electromagnetic machine is provided. The machine includes a stator extending along a longitudinal axis and having an inner surface defining a rotor receipt cavity. The rotor extends along and is rotatable about the longitudinal axis within the rotor receipt cavit...
04/17/2007
7148598Spoke permanent magnet rotors for electrical machines and methods of manufacturing same
A rotor assembly for an electric motor includes a spoke permanent magnet rotor and a shaft connected thereto. The spoke permanent magnet rotor has an axis of rotation, permanent magnet material, and ferro-magnetic material. The permanent magnet material extends outw...
12/12/2006
7075204Threaded 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 between. The stub shafts are turned on the inner sleeve to bring them togeth...
07/11/2006
7057327Vehicular alternator
A vehicular alternator is provided which can effectively utilize the magnetic flux of a permanent magnet disposed between claw-type magnetic poles and can improve an output of the alternator. The vehicular alternator comprises a rotor and a stator constituted by coi...
06/06/2006
7053512Ventilation device with electromagnetic coupling
Ventilation devices, in particular for electric motor drives regularly comprise a fan wheel (1), which is driven by a shaft via an electromagnetic induction coupling. In order to reduce the complexity of manufacture, a stack of magnetic sheets (2) is c...
05/30/2006
7042118Permanent magnet rotor construction wherein relative movement between components is prevented
A rotor construction may comprise a rotor with a centrally located permanent magnet section having aligned magnet segments and having a central hole throughout its length. A thin rod of magnetic steel is located in this central hole to support the permanent magnets ...
05/09/2006
7041044Rotatable machine or centrifuge with driving motors in a simple casing
The rotatable machine (1) of the invention comprises a chamber (2) and a shaft (3), wherein the shaft (3) is mounted in the chamber (2) such that, upon rotation of the shaft (3) and the chamber (2), the shaft (3
05/09/2006
6974522Method and apparatus for mounting a plurality of magnet segments on a back ring
A method and apparatus for assembling permanent magnet segments and a back ring wherein a fixture holds segments in circumaxially spaced relationship, adhesive is applied to the segments, externally from pressure sensitive adhesive tape and the fixture then expands ...
12/13/2005
6967420Electrical machine having a rotor specially adapted to high speeds
An electrical rotating machine having a rotor comprising a shaft made from non-magnetic material, a plurality of pole pieces made from magnetic material and surrounding the shaft, with permanent magnets fixed in receivers by wedges cooperating with the pole pieces t...
11/22/2005
6948597Eddy current deceleration device
An eddy current deceleration device includes a rotor mounted on a rotary shaft; a first magnet ring arranged facing this rotor and including permanent magnets that are arranged at prescribed intervals in the circumferential direction and such that the poles thereof ...
09/27/2005
6931713Methods of making low loss, high frequency composite magnetic material
A high frequency, low loss, power, laminated magnetic material includes alternating magnetic plates of low hysteresis loss material and electrically insulating films. The multi-layer structure allows for independently and simultaneously controlling and reducing hyst...
08/23/2005
6891295Flywheel magneto generator
A flywheel magneto generator which comprises a rotor having a magnet attached to an outer circumferential side of a flywheel and a stator constructed by winding a generating coil around a core having a magnetic pole portion opposed to a magnetic pole of the rotor, w...
05/10/2005
6864610Rotor, manufacturing method of the rotor and motor using the rotor
In a rotor having plural permanent magnets secured on a rotary shaft for use in, e.g., an electric motor which is incorporated preferably into a rack-type electric power steering device, a cylindrical cover is fit on the rotary shaft to cover the external surfaces o...
03/08/2005
6841912Permanent magnet rotor
In a permanent magnet rotor, a power transmitting shaft is connected to an axial end of a solid cylindrical permanent magnet, and a reinforcement sleeve is fitted on the outer circumferential surface of the permanent magnet. Thus, the shaft is not required to be pas...
01/11/2005
6809451Galvanometer motor with composite rotor assembly
A limited rotation torque motor is disclosed that includes a rotor and a stator. The rotor includes a plurality of pairs of magnetic poles and the stator includes a plurality of pairs of stator coils. Each stator coils extends along a longitudinal length of the moto...
10/26/2004
6803738Magnetic actuation and positioning
Magnetic forces are used as a controlled actuation mechanism to move and position objects of interest. In one embodiment, a first spherical surface has at least one magnetic positioner attached. A second spherical surface is positioned to move relative to the first ...
10/12/2004
6731033Motor-driven system with stator provided with inductors
There is provided a motor-driven system which realizes an optimum driving mode for an electric automobile, a robot carrier car, a drum of a copying machine, etc., and a motor-driven system having a function as an optimum actuator for such driving. In a rotational el...
05/04/2004
6707206Magnetic material fixing structure of motor rotor
A magnetic material fixing structure of motor rotor including multiple overlapping silicon steel plates. An outer circumference of each silicon steel plate is recessed to form multiple receptacles at equal intervals. A magnetic material is disposed in each receptacl...
03/16/2004
6661144Electromotive drive
The aim is to improve the cooling of a self-ventilated electric motor (1). To this end, an electromagnetic speed limiting and governing device is provided between the motor shaft (3) and the fan wheel (2), the fan wheel, which is driven via an electromagn...
12/09/2003
6653757Preparation of permanent magnet motor shaft
A system for forming a precision shaft for a permanent magnet motor employs a working surface region of the precision shaft and a coaxially arranged rotor region. A cutting tool is used to make a first machining or cutting pass along the entire length of ...
11/25/2003
6445100Permanent magnet dynamo electric machine
In order to realize a permanent magnet dynamo electric machine which permits a high speed rotation, the permanent magnet dynamo electrIc machine including a stator 20 having a stator iron core 22 in which a stator winding 24 is wound, and a rotor 30 facin...
09/03/2002
6392324Rotor of rotating machine and method for producing same
A rotor of a rotating machine includes a body portion having a rotating shaft mounted therein substantially integrally, having a circular outer peripheral surface and opposite side surfaces, and formed of a nonmagnetic material; and permanent magnets and ...
05/21/2002
6188157Parmanent magnet dynamo electric machine
An electrically driven motor vehicle having mechanism including a permanent magnet dynamo electric machine which permits high speed of rotation. The permanent magnet dynamo electric machine includes a stator having a stator iron core in which a stator win...
02/13/2001
5936324Moving magnet scanner
A limited excursion permanent magnet motor in which the permanent magnet, captured between axially loaded bearings, is connected in a space-economizing construction to the output shaft of the motor by a torque-transmitting keyed construction....
08/10/1999
5761962Shaft rotation driving apparatus for machine tool
A shaft rotation driving apparatus for a machine tool having a main spindle for rotating a tool or a workpiece, comprises: a magnetic anisotropic rotor formed integral with the main spindle itself or with a rotary sleeve itself fitted to the main spindle;...
06/09/1998
5532532Hermetically sealed superconducting magnet motor
A hermetically sealed superconducting magnet motor includes a rotor separated from a stator by either a radial gap, an axial gap, or a combined axial and radial gap. Dual conically shaped stators are used in one embodiment to levitate a disc-shaped rotor ...
07/02/1996
5313127Moving magnet motor
A motor includes a permanent magnet rotor having opposed magnetic poles supported for rotation about an axis. A stator surrounds the rotor and consists of conductors extending parallel and uniformly around the rotor axis, in order to provide a uniform cur...
05/17/1994
5233252Motor having integral detent
The motor provided includes a unique laminated stator core and a means for changing the continuity of the magnetic circuit. The stator core structure is split into two part-cylindrical elements which define spaces between their opposing ends. Flux gates f...
08/03/1993
5121020Rotor for an electric motor
The invention relates to a rotor (10) for an electric motor, in particular for a multi-phase or single-phase electric motor, comprising a permanent-magnetic ceramic rotor cylinder (1) made of an imperforate solid material and provided with moulded-on plas...
06/09/1992
5105139Brushless D.C. limited rotation rotary positioner
A device which rotates an armature through a sequence of angular positions cyclically, using control of the current in a second stator winding while maximum current is applied to a first stator winding. The magnetic poles associated with the two windings ...
04/14/1992
5065063Rotating apparatus
A rotating apparatus includes a stator, a rotor rotatable in the stator and made of nonmagnetic metal. An inner space with a pair of radially spaced openings is provided in the rotor and a permanent magnet is fitted in the inner space so as to be symmetri...
11/12/1991
4942322Permanent magnet rotor with bonded sheath
A rotor assembly comprises a high energy product permanent magnet contained within a sheath and metallurgically bonded thereto. The metallurgical bond imparts mechanical strength to the magnet, thereby preventing crack propagation therewithin during opera...
07/17/1990
4741094Two pole permanent magnet rotor construction method
A two pole permanent magnet rotor which utilizes a single cylindrical two pole permanent magnet mounted between two end pieces and surrounded by a retaining hoop. The cylindrical two pole permanent magnet, which is made of high energy product material, is...
05/03/1988
4725749Stepping motor and frame plate assembly for a wristwatch movement
A wristwatch movement has a Lavet stepping motor directly driving a center wheel attached to the minute hand. The frame plate of the movement is of non-magnetic plastic material with recesses locating the pole shoes of two stator members of the stepping m...
02/16/1988
4667123Two pole permanent magnet rotor construction for toothless stator electrical machine
A two pole permanent magnet rotor utilizes a single cylindrical two pole permanet magnet mounted between two end pieces and surrounded by a retaining hoop. The cylindrical two pole permanent magnet, which is made of high energy product material, is "strai...
05/19/1987
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