[특허]Magnetic suspension assembly for a rotor

[미국특허] Magnetic suspension assembly for a rotor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16C-039/00
출원번호	US-0148236 (1980-05-09)
우선권정보	DE-2919236 (1979-05-12)
발명자 / 주소	Boden Karl (Jlich DEX) Fremerey Johan K. (Bonn DEX)
출원인 / 주소	Kernforschungsanlage Jlich Gesellschaft mit beschrankter Haftung (Jlich DEX 03)
인용정보	피인용 횟수 : 38 인용 특허 : 4

초록 ▼

A magnetic suspension system, especially for a rotor, comprises a stator having two axially spaced permanent magnets which are poled the same as a pair of spaced-apart permanent magnets on the rotor so that a repulsion field suspends the rotor within the stator. A magnetic coil surrounds the rotor and is disposed between the pole pieces of the stator substantially bridging the gap between them and the permanent magnets of the stator and the rotor repel each other in the axial direction. A contactless field sensor responds to the axial position of the rotor and controls the energization of the magnetic coil to stabilize the axial position of the rotor by augmenting or decreasing the net axial forces generated by the magnetic fields in the axial direction.

대표청구항 ▼

A magnetic suspension system comprising: a stator formed with two stator permanent magnets spaced apart along an axis and an annular coil disposed between said stator permanent magnets and substantially completely bridging the gap between them; a rotor surrounded by said stator permanent magnets and said coil and rotatable relative to said stator about said axis and out of contact with said stator, said rotor being provided with two rotor permanent magnets axially spaced corresponding to the spacing between the stator permanent magnets and each respectively paired with a stator permanent magnet and poled in mutual repulsion, the stator permanent magnets being in mutual axial magnetic repulsion, and the rotor permanent magnets being magnetically poled in axial repulsion; detecting means for the contactless detection of axial shifting of said rotor relative to said stator; circuit means responsive to said detecting means for energizing said coil to superimpose an active magnetic field on the fields of said permanent magnets and restore said rotor to a set point position by magnetic axial force, said stator being formed with a tubular housing and the stator permanent magnets being mounted on said housing along the exterior thereof, said coil surrounding said housing, said rotor being formed with vanes whereby rotation of the rotor signals fluid flow parameters of a fluid traversing said housing.

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Boden ; Karl ; Geweke ; Werner, Bearings.
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Boden Karl (Juelich DT) Geweke Werner (Reutlingen DT), Bearings.
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Lyman Frank (Cambridge MA), Magnetic suspension apparatus.
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Sikorra Daniel J. (Belleair FL), Magnetically suspended angular momentum wheel.
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이 특허를 인용한 특허 (38) 인용/피인용 타임라인 분석

King, Yulanda YHW; Kolberg, David; Cors, Douglas E.; Calkins, Scott; Andrina, Eric; Wolschlager, Kevin C.; Stewart, William S., Axial brushless DC motor.
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Peters, Hans-Erhard; Müller, Jörg; Graichen, Kurt; Nüsser, Peter; Göllner, Manfred; Arndt, Andreas, Blood pump.
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Peters, Hans-Erhard; Müller, Jörg; Graichen, Kurt; Nüsser, Peter; Göllner, Manfred; Arndt, Andreas, Blood pump.
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Peters, Hans-Erhard; Müller, Jörg; Graichen, Kurt; Nüsser, Peter; Göllner, Manfred; Arndt, Andreas; Choub, Leonid, Blood pump.
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Pabst, Otto; Gadrino, Franco, Core plate stack assembly for permanent magnet rotor or rotating machines.
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Nüsser, Peter; Müller, Johannes; Peters, Hans-Erhard, Device for delivering single-phase or multiphase fluids without altering the properties thereof.
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Schimpf, Samuel; McChrystal, Mark; Stark, III, Joseph C.; Siebenhaar, Andre, Hall sensor mounting in an implantable blood pump.
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Bourque, Kevin, Implantable blood pump.
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Bourque, Kevin, Implantable blood pump.
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Vaidya Jayant (Rockford IL) Mokadam Raghunath G. (Rockford IL), Magnetic bearing.
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Bernus Christophe (Paris FRX), Magnetic bearing and mechanical thrust bearing device for positioning a body rotating relative to a stator body.
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Fremerey, Johan K., Measuring apparatus.
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Thornborough, Ray J., Metering pulse transducer.
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Kaessner, Thomas; Fasolo, Alessandro, Method and apparatus for activating an electric machine, and electric machine.
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Kaessner, Thomas; Fasolo, Alessandro, Method and apparatus for activating an electric machine, and electric machine.
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Kundel, Stephen, Non-contact thrust bearing using permanent magnets.
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Johan K. Fremerey DE, Pump with a magnetically supported rotor.
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Post Richard F., Self-adjusting magnetic bearing systems.
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McChrystal, Mark; Stark, III, Joseph C., Sensor mounting in an implantable blood pump.
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Siebenhaar, Andre; Fleischli, Andreas, Start-up algorithm for an implantable blood pump.
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Siebenhaar, Andre; Fleischli, Andreas, Start-up algorithm for an implantable blood pump.
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Stockner, Gunther, Wind power electricity generating system and relative control method.
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Casazza, Matteo; Mair, Andreas; Pabst, Otto, Wind power generator and bearing structure therefor.
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Pabst, Otto; Folie, Georg; Casazza, Matteo; Bustreo, Paolo; Gebhard, Peter, Wind power generator equipped with a cooling system.
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Pabst, Otto; Folie, Georg; Casazza, Matteo; Bustreo, Paolo; Gebhard, Peter, Wind power generator equipped with a cooling system.
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Casazza, Matteo; Martin, Schwarz, Wind power system for generating electric energy.
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Pabst, Otto; Casazza, Matteo; Gelmini, Emmanuele, Wind power turbine.
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Gelmini, Emmanuele, Wind power turbine and method of removing a bearing from a wind power turbine.
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Casazza, Matteo, Wind power turbine blade packing and packing method.
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Gelmini, Emmanuele, Wind power turbine electric generator and wind power turbine equipped with an electric generator.
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Casazza, Matteo; Folie, Georg, Wind power turbine electric generator cooling system and method and wind power turbine comprising such a cooling system.
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Casazza, Matteo, Wind power turbine for generating electric energy.
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Casazza, Matteo; Kassner, Thomas, Wind power turbine for producing electric energy.
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Kassner, Thomas, Wind power turbine including a cable bundle guide device.
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Vihriala, Harri; Kassner, Thomas, Wind power turbine with a cooling system.
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Casazza, Matteo; Pabst, Otto; Fasolo, Alessandro, Wind turbine.
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Casazza, Matteo; Folie, Georg, Wind turbine rotary electric machine.
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Pabst, Otto; Casazza, Matteo, Wind turbine rotary electric machine.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Magnetic suspension assembly for a rotor 원문보기