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

Icon_funbox Bizarre Patents

Patent No. 5996127

Wearable Device For Feeding and Observing Birds and Other Flying Animals

A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.

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 310/216 - Core features


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter relating to core features.
No. of patents: 1184
Last issue date: 03/16/2010


  2                    
NumberTitleIssue Date
7436089Reciprocating motor
A reciprocating motor comprising an outer stator (110) having a cylindrical shape by radially stacking a plurality of lamination sheets (112) at the outside of a bobbin (160) in which a winding coil is wound; an inner stator (120) dispose...
10/14/2008
7432625Armature of motor
An armature for use in a motor has a plurality of teeth, a plurality of slots and coils of three kinds of phases. A plurality of the slots is formed between the coadjacent teeth. The coils of three phases are wound around the teeth. The armature has a coil structure...
10/07/2008
7423405Electromagnetic rotating machine
In order to obtain an electromagnetic rotating machine of lightweight and high energy efficiency, which produces big torque for rotating a large-diameter fan, a coil A and coil B as excitation coils are disposed on an inner peripheral surface of a fan casing so as t...
09/09/2008
7423358Stator structure and manufacturing method thereof
A main body of a motor stator. The main body includes a cylindrical waist post, a plurality of first salients and a plurality of second salients. The waist post has a first end and a second end. The first salients, spaced at intervals, are connected to the first end...
09/09/2008
7423356Thermally-conductive stator support structure
A stator assembly including a plurality of stator coil assemblies and a stator coil support structure constructed of a non-magnetic, thermally-conductive material. The stator coil support structure includes an axial passage for receiving a rotor assembly and a plura...
09/09/2008
7420309Spindle motor
In a spindle motor in which teeth portions of a stator core formed by laminating magnetic plates are bent in order to increase the number of turns of the stator windings, a gap in the teeth portions between the magnetic plates is avoided and a precise attractive for...
09/02/2008
7418843Drum type washing machine
A washing machine has a tub that may be made of plastic. A drum is rotatably installed in the tub. A shaft may pass through the tub and connect to the drum for transmission of a driving power from a motor to the drum. The washing machine has a bearing supporting par...
09/02/2008
7414348Armature core of rotating electric machine
A rotating electric machine armature core is configured by combining such a number of magnetic tooth sections that corresponds to the number of magnetic poles, each of the magnetic tooth sections including a plurality of first sheet members each of which includes a ...
08/19/2008
7411329Permanent magnet synchronous motor including permanent magnet with tapered outer edges and rotor core with opening
The present invention provides a permanent-magnet-synchronous-motor having a stator with concentrated windings with the following structure so that permanent magnet (6) is hard to subjected to demagnetization magnetic field: 0.3 Lg
08/12/2008
7411330Rotating electric machine
A rotating electric machine is comprised of a stator having a stator core and a stator coil wound around the stator core, the stator core having at least two tip portions, and a rotor having a rotor core and a plurality of permanent magnets provided in the rotor cor...
08/12/2008
7408279Permanent magnet synchronous motor including permanent magnet with tapered outer edges
The present invention provides a permanent-magnet-synchronous-motor having a stator with concentrated windings with the following structure so that permanent magnet (6) is hard to subjected to demagnetization magnetic field: 0.3 Lg
08/05/2008
7397161Outer core assembly structure of linear motor
Disclosed herein is an outer core assembly structure of a linear motor. At least one of a plurality of core sheets is an extended core sheet having a length greater than that of the other core sheets. Consequently, easy and convenient alignment of first and second o...
07/08/2008
7394174Brushless D.C. motor
The brushless direct current motor comprises a housing 10, a stator 13 and a rotor 11 within the housing, windings on the stator, sensors for sensing the position of the rotor relative to the stator and electronic circuitry for switching the cur...
07/01/2008
7385329Electric machine for high magnetic reversal frequencies
In electric machines, core losses limit, at high fundamental frequency, the permissible full-load power. The aim of the invention is to develop a design which enables a high power density at high magnetic reversal frequencies and which is easy to produce. To this en...
06/10/2008
7385331Stator for electric machines
The stator for electrical machines has stator slots that are open radially inward, at least some of which contain coils made from round wire and have side walls (10, 12) of equal length that each extend parallel to their center radial plane. To attain an espe...
06/10/2008
7382076Spindle motor
The disclosed is a spindle motor most suitable for magnetic disk drives, optical disk drives or the like capable of constraining undesirable cogging torques to a low level and of winding a coil regularly. In particular, the inward periphery of magnetic pole of iron ...
06/03/2008
7380424Drum type washing machine
Drum type washing machine including a tub of plastic having a wall for holding washing water therein and mounting a driving part thereon, a drum rotatably arranged inside of the tub, a shaft passed through the tub and connected to the drum for transmission of a driv...
06/03/2008
7378774Laminated core of rotary electric machine
A laminated core having a first number of magnetic poles, the first number being a natural number divided by two, of a rotary electric machine, includes a plurality of arc-shaped unit cores each having a second number of magnetic poles, the second number being a nat...
05/27/2008
7375451Electric motor having a permanent magnet rotor and a stator core of united poles
Electric motor (1) comprising a stator (2), a magnetic induction core (3) constrained to said stator, at least one magnetic excitation coil (4a, 4b) associated to said induction core, a rotor (5) of substantial...
05/20/2008
7370614Electromagnetically driven valve
An electromagnetically driven valve includes a driven valve having a stem and carrying out reciprocating motion along a direction in which the stem extends, a disc support base having an abutment surface, a disc extending from one end coupled to the stem toward the ...
05/13/2008
7372184Stator of motor
A stator of a motor having various shapes and capable of minimizing the manufacturing costs. At least teeth are manufactured by the iron powder metallurgy method. In order to obtain the overhang effect, the height of a tip of each tooth is lower than the height of a...
05/13/2008
7372185High-intensity discharge lighting system and alternator power supply
A high intensity lighting system comprises a plurality of high intensity discharge lamps electrically connected to a polyphase alternator and a prime mover mechanically connected to the alternator. An inherent impedance characteristic of the alternator permits the l...
05/13/2008
7370402Method for producing stator packs for long-stator linear motors of magnetic levitation railways
A method for producing stator packs for long-stator linear motors of magnetic levitation vehicles is described. At first steel sheets are stacked to form a sheet stack, cross members are inserted into grooves of the sheet stack and the sheet stack and the cross memb...
05/13/2008
7368844Magnetoelectric generator
A stator core includes: a laminated body in which a plurality of intermediate plates that have dowels are laminated so as to be integrated by dowel crimping between layers; and a pair of end plates that are disposed so as to be positioned on opposite sides of two en...
05/06/2008
7365469Laminated armature core for an electric motor
In an armature packet (1) for an electric motor, having a plurality of armature laminations (2, 3), in each of which a plurality of winding slots (4) for receiving an armature winding (5) are embodied, and the winding slots (4) of ...
04/29/2008
7365472Electric generator
An electric generator 10 of the present invention comprises a permanent magnet 14, a coil 30, a yoke 20, and attracted means 19 composed of a plurality of attracted pieces 18 which are arranged radially around the rotation a...
04/29/2008
7365466Rotor for an electrical motor
The invention provides a rotor for an electrical motor, a tool for making a rotor core and a method of making the rotor. The rotor could be incorporated e.g. in a line-start motor and comprises a squirrel cage and magnet located in a rotor core. The magnets are, in ...
04/29/2008
7363696Method of assembling a sealed type motor-driven compressor
A sealed type motor-driven compressor includes a cylindrical motor housing and an annular stator core fastened to the interior of the motor housing. A method of assembling the compressor includes fastening the stator core to the motor housing by mechanically deformi...
04/29/2008
7362031Electric motor
An electric motor has an armature rotatably accommodated inside a motor housing and a pair of magnets fixed to an inner surface of the motor housing so as to face the armature. The armature has an armature core 17 fixed to a rotating shaft 16, and ten ...
04/22/2008
7362013Linear motor, exposure apparatus using the same, and device manufacturing method
In a movable magnet-type linear motor including a stator having a plurality of iron core elements arranged at a certain slot pitch and a movable part having a magnet 3 which is movable in an arrangement direction one or more pseudo-slots are provided between ...
04/22/2008
7362028Stator of outer rotor type motor for drum type washer
The present invention provides an outer rotor type motor for a drum type washing machine to reduce material and weight for fabrication, simplify fabrication process, provide stable assembly of a stator to a fixing side such as a tub or a bearing housing, prevent by ...
04/22/2008
7358637Method of compressing lamination stacks for permanent magnet rotor
The present invention is a method of compressing lamination stacks for a permanent magnet rotor. The method includes the steps of providing a plurality of stages of lamination stacks and magnet carriers on a rotor shaft to form an assembly; positioning a spacer betw...
04/15/2008
7358639High frequency electric motor or generator
A device such as an electric motor, an electric generator, and a regenerative electric motor includes at least one independent energizable electromagnetic assembly. Each independent electromagnetic assembly has an associated one-piece magnetic core. Each independent...
04/15/2008
7355313Stator, spindle motor, and recording disk driving apparatus
Spindle-motor stator includes at least a first core sheet and at least one or more second core sheets located next to an end core sheet. A bent portion bent upward and a protrusion extending upward from the bent portion are formed at the forward end of the plurality...
04/08/2008
7355312Brushless Motor
Small brushless motor having high output and small torque ripple. The brushless motor includes induction voltage adjusting means. With this, induction voltage of each phase of the stator is adjusted into a flatly spread waveform having no abrupt variation where odd-...
04/08/2008
7352099Electric machine
An electric machine includes a stator having slots of substantially rectangular cross section. The slots are subdivided into pairs of slots, with each pair of slots configured with parallel flanks, wherein teeth are formed between the slots and have alternating rect...
04/01/2008
7352100Direct-current motor
A stator of a direct current motor includes six magnetic poles. An armature of the direct current motor includes an armature core having eight slots, a plurality of windings wound around the armature core as concentrated windings, and a commutator having twenty-four...
04/01/2008
7352101Skew shape variable laminated iron core and method of manufacturing the same
In a laminated iron core in which plural iron core pieces are laminated through caulking projections and caulking holes in which the caulking projections are fitted, and in the iron core pieces except a lowermost layer, the caulking projections and the caulking hole...
04/01/2008
7352092Integrated motor and controller assemblies for horizontal axis washing machines
A horizontal axis washing machine includes an integrated motor and controller assembly. The controller is mounted to the electric motor with the controller positioned under a tub of the washing machine. The tub provides drip protection for the controller during oper...
04/01/2008
7348706Stator assembly for an electric machine and method of manufacturing the same
A stator for a multi-phase electric machine having a plurality of core segments interconnected with one another and a plurality of coils. At least one core segment includes a plurality of teeth and a back portion that at least partially interconnects the teeth. The ...
03/25/2008
  2                    
 
Sign InRegister
Username  
Password   
forgot password?