Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7719159 | Apparatus and method for constructing electrodynamic machines A method, apparatus and system producing for electrodynamic machinery are disclosed. In one embodiment, an integrated stator-housing structure for constructing electrodynamic machines includes one or more field pole members. Each field pole member can have a first p... | 05/18/2010 |
| 7511399 | Stator assembly for an electrical machine The present invention relates to a stator assembly for an electrical machine, including a housing and a stator, in which the housing has at least one inward-oriented bead extending in the axial direction. ... | 03/31/2009 |
| 7485999 | Electrical machine An electrical machine (10) has a built-in stator (11) which is mounted in a housing (12, 13, 14) by a built-in stator suspension, in particular in the form of a plurality of supporting rings (29) which are arranged one behind the other, a... | 02/03/2009 |
| 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 break in the winding wire, and wherein the winding wire is taken via a c... | 10/07/2008 |
| 7418843 | Drum 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 |
| 7405505 | Rotary electric machine A rotary electric machine includes a frame; a stator whose stator-slot number Ns is 12; a rotor whose rotor-pole number Np is 8, the rotor being disposed inside the stator. The frame has a frame thickness T(θ) at mechanical angle θ, with respect to a reference lin... | 07/29/2008 |
| 7397163 | Power 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 ... | 07/08/2008 |
| 7391294 | Electrodynamic machine A winding for a toroidal electrodynamic machine is formed by providing a set of bobbins in a rectilinear array, winding the bobbins so that each phase is of one continuous wire, with each set of phases wound one bobbin at a time, the completed rectilinear array then... | 06/24/2008 |
| 7380424 | Drum 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 |
| 7353586 | Method of horizontally stacking a stator core within a stator frame The present invention provides a method for the horizontal stacking of laminations 10 and donuts to form a stator core. A stator generator frame 2 has multiple keybars 6 that run the axial length of the frame. The laminations 10 have groo... | 04/08/2008 |
| 7352102 | Motor Bearings for rotatably supporting a rotor are disposed on an inner side of a hollow cylindrical portion of the rotor which is disposed in a rotating magnetic field formed by a group of stator windings and on an outer periphery of which magnetic poles for generating ... | 04/01/2008 |
| 7342343 | Stator and resolving method and device thereof The method for resolving the stator having a coil disposed in the slots provided around an inner circumferential face of a cylindrical iron core and having an opening portion includes a step of enlarging the opening portion of the slot, and a step of extracting the ... | 03/11/2008 |
| 7340820 | Machine stator fabrication method A machine stator is fabricated by positioning pre-wound stator windings with respect to a laminated stator yoke and directly molding composite tooth tips into contact with respective teeth of the laminated stator yoke, or by positioning pre-wound stator windings aro... | 03/11/2008 |
| 7327066 | Motor and recording disk drive device provided with the same In a spindle motor, a core (33) includes a plurality of core plates (34), which are laminated one on another. The core (33) is constituted by laminating two cores, that is, a first core (34a) and a second core (34b), ... | 02/05/2008 |
| 7327061 | AC generator and method One aspect of the invention is a generator with at least two commutators mounted on a rotatable shaft. At least two magnetically conductive bars may be mounted in an opposed relationship with at least one of the bars passing through a wire coil. At least two magnets... | 02/05/2008 |
| 7323800 | Outer stator for reciprocating motor and manufacturing method thereof An outer stator of a reciprocating compressor comprises: a bobbin formed as a ring shape and provided with a winding coil therein; an outer stator frame coupled to an outer circumferential surface of the bobbin and formed of a magnetic body in which a flux flows; a ... | 01/29/2008 |
| 7312549 | Transverse flux machine with stator made of e-shaped laminates In order to improve the torque per weight ratio in electrical machines for a lower price it is proposed to use a segmented stator design. The segmented stator design is based on general E shaped cores traditionally used for single-phased transformers and inductors, ... | 12/25/2007 |
| 7294942 | Outer rotor type motor for drum type washing machine and method for fabricating the same Direct coupling type motor for drum type washing machine having a stator which can reduce material required for fabrication, and a weight after fabrication, simplify a fabrication process, and can be mounted on a fixing side, such as a tub or a bearing housing secur... | 11/13/2007 |
| 7288870 | Stator core A stator core 2 comprises laminations (9) of low loss stator iron forming a body of magnetic nature and lamination components (11) of high thermal conductivity material regularly arranged within that body. The high thermal conductivity component... | 10/30/2007 |
| 7285892 | Stator having teeth with a projecting portion extending outwardly from a winding portion and a yoke portion In the field of stators including divided tooth-shaped iron cores and core back iron cores, a stator is provided in which the tooth-shaped iron cores and the core back iron cores can be easily connected to each other, and the tooth-shaped iron cores and the core bac... | 10/23/2007 |
| 7280811 | Multimode wireless terminal and wireless transmitter-receiver unit A multimode wireless terminal suitable for received level monitoring for a base station serving as an intersystem handover destination includes a first wireless transmitter-receiver unit for GSM, a second wireless transmitter-receiver unit for WCDMA, and a communica... | 10/09/2007 |
| 7271512 | Stator of outer rotor type motor for drum type washer The present invention provides a stator of an outer rotor motor for a washing machine. The stator includes a ring type helical core, an upper insulator having a shape corresponding to a shape of the helical core to enclose an upper part of the helical core, a lower ... | 09/18/2007 |
| 7268459 | Electric power steering apparatus The electric power steering apparatus includes a brushless motor as an electric motor. The motor has a rotor and a stator 34. The stator 34 includes: a back core BY; a plurality of teeth TS disposed along the circumference of the back core protruding f... | 09/11/2007 |
| 7268452 | Spindle motor A spindle motor is provided in which an end portion of a winding of a coil maintains insulation from a base and the end portion of the winding of the coil can be easily threaded through a hole of a printed circuit board when the end portion of the winding of the coi... | 09/11/2007 |
| 7259493 | Stator of two rotor single stator type electric motor A stator for a two rotor single stator type electric motor is described. The electric motor has inner and outer rotors that are rotated independently within and around a stator upon application of current to the stator. The stator comprises a stator core including a... | 08/21/2007 |
| 7259484 | Brushless motor A brushless motor 100 is composed of a motor base 10, a rotary shaft 25 rotatably supported by the motor base 10 through bearings 22 and 23, a back yoke 20 in a shape of flat plate made from a magnetic material being ... | 08/21/2007 |
| 7235905 | Electric power steering assembly An electric power steering assembly includes an electric motor, a reduction mechanism for reducing the speed of an output rotation of the electric motor, and a reduction-mechanism housing accommodating therein the reduction mechanism. The electric motor includes: an... | 06/26/2007 |
| 7233091 | Electric motor with field assemblies having core pieces with mating features An electric motor has a field assembly, such as a stator, has field coils that are wound to a net shape. Lead wires are brought out from the ends of each field coil. The field coils are insulated. The field coils are assembled with stator core pieces, such as pole p... | 06/19/2007 |
| 7227291 | Stator for an electrical machine A stator (50) for an electrical machine. A core of the stator (50) is made up of a series of connected segments (42), that are rotatable relative to one another during an assembly operation. Each segment (42) includes a radially outermost... | 06/05/2007 |
| 7224089 | Linear motor with a segmented stator A linear motor having a fixed inductor and a moving part including windings and a stator. The stator includes a plurality of teeth defining a plurality of slots into which the windings are inserted, the stator being segmented into a first piece and a second piece ad... | 05/29/2007 |
| 7202587 | Method and apparatus for the mounting of and circumferential displacement of radial forces in a stator core assembly The present invention facilitates the placement of laminations 10 onto keybars 6 of stator generators frames 2. Laminations need to be tightly fit onto keybars 6, however, the same need for tightness makes stacking laminations onto keybar... | 04/10/2007 |
| 7196448 | Stator structure A stator structure. A first stator part includes a first engaging portion. A second stator part includes a second engaging portion corresponding to the first engaging portion. The first and second stator parts are of the same material. When the first stator part is ... | 03/27/2007 |
| 7196438 | Resilient isolation members and related methods of reducing acoustic noise and/or structural vibration in an electric machine A resilient isolation member is configured for use with an electric machine having a housing, a stator within the housing, and an end shield. The resilient isolation member includes first and second end portions, a sidewall extending between the first and second end... | 03/27/2007 |
| 7183689 | Torque motor having a segment design A torque motor having an annular rotor and an annular stator. The stator includes a stator frame with iron cores and electrical windings arranged thereon. The iron cores and the electrical windings are arranged in at least one independent stator segment so that each... | 02/27/2007 |
| 7165653 | Elevator gearless traction machine construction A flexible construction for an elevator gearless traction drive machine having a frame that is easily adaptable to traction sheaves of differing widths and diameters while providing the necessary stability for the drive components without an additional structure. Th... | 01/23/2007 |
| 7166984 | Signaling and reduced torque ripple in brushless repulsion motors Brushless repulsion motors are presented, in which rotor coils switching signal detectors are selectively located in spaced angular relationship on the rotor and signaling sources are distributed around all or most of the stator circumference to allow looser toleran... | 01/23/2007 |
| 7164218 | Electric motor and electric type compressor An electric motor includes a housing and a circular stator. The housing has an inner circumferential surface. The housing also has a first predetermined thermal expansion coefficient. The housing further has an elastic part. The stator core is pressed to an inside o... | 01/16/2007 |
| 7157825 | Motor A motor includes a stator formed of a stack of silicon steel sheet members and a winding holder mounted inside the stack of silicon steel sheet members, axles inserted through the stator in four corners, front and back covers respectively covered on the front and ba... | 01/02/2007 |
| 7145280 | Stator for a dynamoelectric machine having a split ferromagnetic core A method and apparatus for production of stator windings for dynamoelectric mechines of different configurations is provided. The windings are preferably formed on a bobbin (10) or similar article, which may then be transferred onto an appropriate carrier suc... | 12/05/2006 |
| 7141908 | Rotating electrical machine In a rotating electrical machine a stator winding is formed of flexible cables inserted in an open stator in the stator core. The stator slots extend from a radially outermost yoke part of the stator core radially inwards towards the rotor, the stator slots being se... | 11/28/2006 |
