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| Number | Title | Issue Date |
| 8053941 | Encapsulated outer stator isolated rotor stepper motor valve assembly An electric motor assembly includes a rotor rotatable about an axis and a stator spaced radially away from the rotor. An isolation housing, configured to permit magnetic flux to flow therethrough between the rotor and the stator, is disposed between the rotor and th... | 11/08/2011 |
| 7863788 | System concept for mills and classifiers with magnetic bearing spindle drives A system for process-technological machines such as mills and classifiers having an enclosed design with no rotary unions between the ambient air and system interior. This system is particularly useful for CIP and SIP operation modes or glove-box operations. The mil... | 01/04/2011 |
| 7667359 | Stator structure and manufacturing method thereof A stator structure includes a first cover, a stator assembly and a filler. The first cover has an accommodation space for accommodating the stator assembly therein. The filler is applied between the first cover and the stator assembly to surround the stator assembly... | 02/23/2010 |
| 7375446 | Actuator including rotor case and housing with sealing unit for hermetic structure An actuator for use with a fluid channel structure comprises: a stator assembly including stator yokes, and a coil; and a rotor assembly including a housing shaped in a circular hollow-cylinder, an output shaft inserted through the housing, a sleeve, a magnet fixedl... | 05/20/2008 |
| 7368828 | Wind energy system A wind energy system comprising a queue of turbines housed in a horizontal air conduit. The inlet end of the conduit opens into a wind collector assembly, which preferably comprises in part downwardly extending earthen slope, such as a hillside or embankment. The wi... | 05/06/2008 |
| 7362028 | Stator 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 |
| 7348699 | Encapsulated motor A canned motor providing a rotor having a rotor shaft; a can having a cylindrical wall which is closed at one end; and a stator, the cylindrical wall of the can being inserted between the rotor and the stator. To measure the rotational position and, where applicable... | 03/25/2008 |
| 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 |
| 7336014 | Stator of outer rotor type motor for drum type washer and fabricating method thereof 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 un... | 02/26/2008 |
| 7300263 | Pump In a pump conveying a supercritical fluid or a liquid are provided stator slots and motor mold members which are charged between the stator slots, so as to have a stator can of a motor driving the pump from the outside thereof. Additionally, by providing a main shaf... | 11/27/2007 |
| 7279816 | Driving apparatus The first magnetic body, second magnetic body and third magnetic body have S-pole at the left end and N-pole at the right end. The second magnetic body acts rightward attractive force on the first magnetic body. The third magnetic body acts leftward attractive force... | 10/09/2007 |
| 7264450 | Pump unit and method for operating a pump unit The method is provided for operating a pump unit with a centrifugal pump which is driven by an electric motor and which comprises a rotor running in a split tube. The rotor space is separated with respect to the stator in a fluid-tight manner. On running the motor t... | 09/04/2007 |
| 7262679 | Rotary transformer A rotary transformer for coupling electrical power at a high level into a rotor operable at a high rotational speed without the introduction of undesirable electromagnetic torque and problems of dynamic mechanical instability comprises a stationary primary mounted i... | 08/28/2007 |
| 7247967 | Electric motor having a stator An electric motor stator including a yoke having a plurality of yoke laminations. A body portion is formed as part of each of the plurality of yoke laminations. A first tooth is continuous with the body portion and is formed as part of at least a portion of the plur... | 07/24/2007 |
| 7215051 | Single-phase motor particularly for submersed pumps A single-phase motor (10) particularly for submersed pumps, characterized in that it comprises an annular capacitor (14) interposed between the pump coupling head (15) and the stator winding pack (12). ... | 05/08/2007 |
| 7141903 | Low magnetic signature motor system A low magnetic signature motor system (1) comprises a plurality of electric motors (2), a first shield (9) and a second shield (13). The electric motors are arranged with their associated magnetic moments (6, 7) forming a closed lo... | 11/28/2006 |
| 7132771 | Motor for washing machine A motor for a drum type washing machine is disclosed, wherein noise is reduced. To this end, the drum type washing machine is provided with a washing motor having a stator fitted at a rear surface of a tub and having a plurality of slots on which a coil is wound; a ... | 11/07/2006 |
| 7129606 | Vacuuming motor and vacuuming apparatus In a vacuuming motor used by being attached to a peripheral edge of a motor attaching hole provided at a vacuum chamber, an end portion on a load side of a motor main body is attached with a reduction gear main body having an attaching flange fixed to the motor atta... | 10/31/2006 |
| 7119451 | Self-powered miniature liquid treatment system with ultraviolet dosing A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator. A flow of liquid may be filtered with the filter and used to rotate the hydro-generator to generate electric power. The ultraviolet light source ... | 10/10/2006 |
| 7112892 | Power source for sensors A sensor is placed in wireless communication with a monitoring system. Power for the sensor is generated by scavenging power from fluid flow within a pipe. ... | 09/26/2006 |
| 7113365 | Disk drive comprising a spindle motor having a windings shield for reduced disk voltage coupling A disk drive is disclosed comprising a disk, a head actuated over a surface of the disk, and a spindle motor for rotating the disk. The spindle motor comprises a ring-shaped stator having a plurality of stator teeth each wound with a winding. The spindle motor furth... | 09/26/2006 |
| 7102266 | Motor assembly with a sealed commutator/brush interface A motor assembly includes a commutator having a shaft extending axially therefrom, a commutator end bracket assembly, and at least two brushes carried by the commutator end bracket assembly and in contact with the commutator. A seal is carried by either the commutat... | 09/05/2006 |
| 7076975 | Drive apparatus for a washing machine In a washing machine with a drive apparatus and a suds container on whose rear wall the drive apparatus is disposed, an isolation layer is provided between stator cores of the motor and a stator supporting part or a supporting element to suppress discharge currents ... | 07/18/2006 |
| 7075037 | Heat treatment apparatus using a lamp for rapidly and uniformly heating a wafer A heat treatment apparatus enables a rapid temperature rise of an object to be processed while giving an excellent economical efficiency. A heating unit heats an object to be heated by irradiating a light onto the object. A plurality of lamps are provided in a lamp ... | 07/11/2006 |
| 7067936 | Self-powered miniature liquid treatment system with multiple liquid flow paths A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator in a first flow path. The first flow path may provide treated liquid at a first outlet of the liquid treatment system. A second flow path included... | 06/27/2006 |
| 7057326 | Rotor body containment shell with reduced windage losses A rotor body assembly includes a rotor and a containment shell surrounding the rotor, the containment shell having an external peripheral surface provided with a plurality of surface deformations. ... | 06/06/2006 |
| 7058291 | Brushless DC motor A system and method for reducing the cost of producing a brushless DC motor (58) is presented. The brushless DC motor (58) provides higher power density and efficiency with an increased tool run time. The brushless DC motor (58) includes a rotor... | 06/06/2006 |
| 7053510 | Electrical actuator An electrical actuator has a DC motor which is provided with a rotor having a permanent magnet for forming a plurality of magnetic poles around a periphery thereof and a stator having a plurality of energizing coils and being disposed around a periphery of the rotor... | 05/30/2006 |
| 7009317 | Cooling system for an electric motor A cooling system for an electric motor includes a cooling duct formed between a cooling jacket and a separate component surface. The separate component surface may define at least a portion of a wall of the cooling duct. The cooling duct may be configured to direct ... | 03/07/2006 |
| 6948919 | Hermetic motor and gas booster A fuel booster operable to compress a combustible fuel, the fuel booster comprising a compressor housing a compress rotor, and a seal assembly coupled to the compressor housing. The seal assembly and the compressor housing cooperate to at least partially define a he... | 09/27/2005 |
| 6946765 | Rotor unit for an electromotor and an internal rotor electromotor A rotor assembly for an electric motor having a rotor shaft and at least one permanent magnet arranged on the rotor shaft. The rotor shaft with the permanent magnet is accommodated in a sleeve the rotor shaft being freely rotatable within the sleeve. The sleeve is c... | 09/20/2005 |
| 6936938 | Electric motor for sealed compressors An electric motor for wholly sealed compressors using, as a coolant, HFC-134a and using, as a refrigerator oil, a polyalkylene glycol oil, a polyol ester oil or a polyvinyl ether oil, and having a structure in which the free conductors are firmly secured and insulat... | 08/30/2005 |
| 6927501 | Self-powered miniature liquid treatment system A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator in a first flow path. The first flow path may provide treated liquid at a first outlet of the liquid treatment system. A second flow path included... | 08/09/2005 |
| 6879081 | Stator coil assembly for superconducting rotating machines A stator support system for supporting a stator coil assembly includes a inner support tube having an outer surface; spaced windings supported on the inner support tube with spaces between adjacent windings defining gaps; support members, each disposed within one of... | 04/12/2005 |
| 6859992 | Method of providing a heat shield in an electric motor A method provides a heat shield on an electric motor. The motor has a housing and an endcap coupled to an end of the housing. The endcap includes a bearing pocket constructed and arranged to cover a bearing structure. The method includes coupling a heat shield direc... | 03/01/2005 |
| 6857332 | Linear or rotary actuator An actuator (1) for the linear displacement of a member to be controlled comprising a motor part (2) and an actuating device part (3) including a threaded screw (11) with linear displacement, and a rotary member (9) provided with a... | 02/22/2005 |
| 6847140 | Fluid barrier for motor rotor A fluid impermeable barrier is provided to protect the rotor of an electric motor. The barrier includes a body portion with a relatively large opening at one end to receive the rotor laminations and a smaller opening at the other end to receive one end of the rotor ... | 01/25/2005 |
| 6831382 | Cover for electric motor An electric motor having a cover which is removably mounted to an endshield of the motor and defines an enclosure for electronic components. The cover has an overlapping fit against a wall of the endshield to prevent entry of moisture or contaminants into the enclos... | 12/14/2004 |
| 6809442 | Stator structure for rotary electric machine A stator for a rotary electric machine is provided to curb decreases in output caused by magnetic flux leakage. The stator has a stator core with stator coils that are wound around tooth parts of the stator core. The tooth parts of the stator core are arranged to fo... | 10/26/2004 |
| 6800833 | Electromagnetically levitated substrate support An apparatus for supporting a substrate and a method for positioning a substrate include a substrate support, a stator circumscribing the substrate support, and an actuator. The actuator is coupled to the stator and adapted to change the elevation of the stator and/... | 10/05/2004 |
