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公开(公告)号:CA2719299A1
公开(公告)日:2009-10-01
申请号:CA2719299
申请日:2008-07-22
Applicant: ABB INC
Inventor: BEITELMAN LEONID S , CURRAN CHRISTOPHER P , LAVERS J DOUGLAS , TALLBACK GOTE
IPC: B22D11/115 , B01F13/08 , B22D27/02
Abstract: A method and apparatus for electromagnetic stirring of molten metals at an advanced stage of solidification, as may be used in continuous casting of steel billets and blooms, are disclosed. At least first and second stirrers are provided for generating first and second rotating magnetic fields of a differing frequency about an axis of solidifying molten metal. The stirrers are arranged about the molten metal in sufficiently close proximity to each other so that their respective magnetic fields superpose to produce a modulated magnetic field. The magnetic fields of the respective stirrers may either have common or opposing rotational directions. The modulated stirring produced by the magnetic fields results in oscillating primary and secondary flows and hence turbulence within the melt bulk in the region wherein temperature of the melt on its central axis is below the liquidus level and at least 10% of substantially solidified material is formed. Turbulent flow created by this stirring method disrupts formation of crystalline structures in the melt bulk and mixes solute enriched melt of the central region with the bulk volume which subsequently results in improvements of the solidification structure and overall internal quality of the cast products.
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公开(公告)号:DE60232671D1
公开(公告)日:2009-07-30
申请号:DE60232671
申请日:2002-10-09
Applicant: ABB INC
Inventor: HELLSTROM AKE ARVID
Abstract: A non-contact system for sensing a property of a passing web of material includes first and second sensors positioned on opposite sides of the web. The opposing sensors are repelled from the web and each other by gas bearings formed between the sensors and the web and attracted to each other by one or more polarized magnets embedded in the sensors. The resultant net force properly spaces the sensors from the web to ensure reliable and accurate sensing. The repelling force enables the sensors to react substantially instantaneously to changes in the pass line of the web. An automatic actuator/retractor can be provided to withdraw the sensors, extend the sensors to or retract the sensors from adjacent the feed path.
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263.
公开(公告)号:ES2296675T3
公开(公告)日:2008-05-01
申请号:ES00992055
申请日:2000-08-31
Applicant: ABB INC
Inventor: LANOUE THOMAS J , LAMBERT WAYNE , SARVER CHARLES
Abstract: Un método de fabricar una bobina de transformador encapsulada en resina de vaciado (48; 48'') utilizando un molde de vaciado desechable, incluyendo los pasos de: formar un molde interior anular (12; 52) de forma predeterminada, colocar el molde interior sobre un mandril de devanado expansible de una devanadora de bobinas, devanar una bobina (30; 56) sobre el molde interior, sacar el molde interior y la bobina enrollada encima de la devanadora, insertar elementos de soporte interiores (18; 58) dentro del molde interior para mantener la forma de la bobina enrollada en el molde interior durante la encapsulación, formar un molde exterior anular (24; 54) de forma predeterminada que tiene una cúpula de molde (26), colocar el molde exterior sobre la bobina, colocar material de junta estanca (34; 34'') en los extremos de los moldes interior y exterior, colocar chapas de extremo (36; 36'') contra el material de junta estanca en los extremos de los moldes interior y exterior para formar un molde de vaciado, colocar chapas de soporte de bobina (42; 42'') en la parte superior y cada extremo de la cúpula de molde del molde exterior para soportar el peso de la bobina durante los procesos de encapsulación y curado, aplicar una fuerza de compresión predeterminada a las chapas de extremo del molde de vaciado, colocar el molde de vaciado conteniendo la bobina enrollada en una posición horizontal en una cámara rarificada y verter resina de vaciado (48; 48'') a través de un agujero en la cúpula de molde en el molde exterior del molde de vaciado para encapsular la bobina, dejar que la resina de vaciado endurezca en la bobina, y sacar la bobina encapsulada del molde de vaciado.
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公开(公告)号:CA2566001A1
公开(公告)日:2008-03-25
申请号:CA2566001
申请日:2006-10-27
Applicant: ABB INC
Inventor: KACY KLAUS
Abstract: A method of damping the oscillations during an emergency stop of an ascending single drum hoist system in a shaft having a conveyance, the mechanical brakes applying a braking force to the drum and the drum rotating in a first direction having a speed, comprising applying a first brake force when the drum speed reaches close to zero enabling the drum to roll back in an opposite direction to the first direction by a force generated from a first conveyance downward swing, and controlling the brake force during the first conveyance downward swing to dissipate the energy of the swing.
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公开(公告)号:UA81637C2
公开(公告)日:2008-01-25
申请号:UA2005002436
申请日:2003-08-19
Applicant: ABB INC
Inventor: BEITELMAN LEONID , SEGAL VLADIMIR , CURRAN CHRISTOPHER
IPC: B22D11/11 , B22D11/115 , F27D27/00
Abstract: Даннымизобретениемпредлагаетсяулучшенныйспособохлажденияэлектромагнитныхобмоток, исключаялюбоепрямоевзаимодействиемеждутоконесущимиобмоткамии охлаждающейводой. Путемзаменыводынадиэлектрическую, магнитоактивнуюколлоиднуюжидкость, тоестьферромагнитнуюжидкость, внутриобмотоксоздаютсильныймагнито-конвективныйпотокзасчетеевзаимодействияс магнитнымполем, создаваемымэлектромагнитнымустройствомдляперемешивания. Возможнывариантыв пределахобъемаизобретения.
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公开(公告)号:DE60037323D1
公开(公告)日:2008-01-17
申请号:DE60037323
申请日:2000-08-31
Applicant: ABB INC
Inventor: LANOUE THOMAS J , LAMBERT WAYNE , SARVER CHARLES
Abstract: A method of manufacturing transformer windings embedded in casting resin is disclosed which utilizes an integrated winding mandrel for producing a non-standard oval shaped epoxy encapsulated low voltage coil for dry type distribution transformers. The method includes a process of winding a low voltage coil of alternate layers of copper conductor (24) and insulating tape (26), over a disposable mold formed by wrapping steel sheet material over inner mold support plates (14), the formed mold acting as both a winding mandrel and as an inner mold (20) for epoxy encapsulation. Both the inner and outer molds are made of low cost sheet metal utilizing a "wrap and band" process. The complete winding and molding processes can all be conducted utilizing a conventional square mandrel shaft (12) on a standard coil winding machine (10).
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公开(公告)号:AT382158T
公开(公告)日:2008-01-15
申请号:AT04760969
申请日:2004-05-11
Inventor: STAKE NIKLAS , HOAG MICHAEL , GOINS KIRK , POORMAN ANNE , GRAMBERG OLIVER , LISIEWSKI STEPHEN
IPC: G05B23/02 , G05B19/418 , G06F15/00 , G06Q10/06
Abstract: A method and a system for managing one or more industrial robots used by an enterprise over one or more of the phases of the asset lifecycle. Monitored data from the robot(s) is used to determine the occurrence of an event that affects the robot operation. The monitored data is transferred either regularly or upon the occurrence of a robot affecting event. The remote location estimates from the transferred data an optimized maintenance interval for the robot(s) and analyzes that data to provide a prediction of needed maintenance on the robot(s). The remote location can use the transferred monitored data to benchmark different features and functions of the robots for a particular robot or against a robot that performs the same function or can benchmark one of the robots against a robot in another enterprise.
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公开(公告)号:BRPI0507355A
公开(公告)日:2007-07-03
申请号:BRPI0507355
申请日:2005-02-01
Applicant: ABB INC
Inventor: KUNSMAN STEVEN , JOUNY ISMAIL , KAPRIELIAN STEPHEN
Abstract: An apparatus, system, and method for detecting high impedance faults in electrical power lines using a composite high impedance fault detection system having a voter logic that samples the logical outputs from a plurality of independent high impedance detection systems and determines a high impedance fault if any two of the plurality of independent high impedance detection systems indicates a high impedance fault. Preferably, the plurality of high impedance detection systems include a wavelet based high impedance fault detection system having a first logical output, a higher order statistics based high impedance fault detection system having a second logical output, and a neural net based high impedance fault detection system having a third logical output. Preferably, each of the plurality of high impedance fault detection systems includes an independent high impedance fault detection application that independently detects a high impedance fault on the electrical power line.
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公开(公告)号:DE102006050114A1
公开(公告)日:2007-05-31
申请号:DE102006050114
申请日:2006-10-25
Applicant: ABB INC
Inventor: MILOJEVIC DRAGOSLAV K , FLAISCH ANDREAS
Abstract: The device has an actuator assembly (48) adapted for moving an abutment assembly between a locating position and an inserted position, where the abutment assembly includes two abutment members (38, 40). A sensor is mounted to one of the two abutment members, and is adapted for detecting distance between a portion of a workpiece (16) and one of the two abutment members. A controller (49) includes a load sensor (76) to detect whether load on the abutment assembly exceeds a preset level or not. The controller stops movement of the abutment assembly if the load exceeds the preset level. An independent claim is also included for a method of positioning a movably mounted portion of a workpiece relative to a body of the workpiece.
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公开(公告)号:DE60119704T2
公开(公告)日:2007-04-26
申请号:DE60119704
申请日:2001-03-14
Applicant: ABB INC
Inventor: CHEN SHIH-CHIN , MURPHY F
Abstract: Headbox transient responses for sheet weight and moisture are modeled as a combination of two sets of time constants and dead time delays. One set represents a shorter delay with faster response dynamics, the fast mode weight and moisture responses, and the other models the longer delay with slower dynamics, the slow mode weight and moisture responses. A weight and/or moisture transient model is then formed for headbox changes by combining the fast mode weight and moisture responses and the slow mode weight and moisture responses. Stock weight and moisture dynamic and delay time models are determined for operation of stock flow of the paper making machine and the stock flow is controlled in accordance with the stock weight and/or moisture models and the headbox weight transient and/or moisture transient model to compensate for weight and moisture changes in a web of paper being manufacture which weight and moisture changes result from headbox changes.
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