Magnetic bearing, rotary apparatus comprising such a magnetic bearing and method for manufacturing such a magnetic bearing
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16C-032/04
F16C-043/00
H01F-005/02
H02K-015/00
H01F-007/06
출원번호
US-0945599
(2015-11-19)
등록번호
US-10030702
(2018-07-24)
우선권정보
EP-14306912 (2014-11-27)
발명자
/ 주소
Baucé, Yvon
Bienaime, Francis
Carrasco, Eduardo
출원인 / 주소
SKF MAGNETIC MECHATRONICS
대리인 / 주소
Peckjian, Bryan
인용정보
피인용 횟수 :
0인용 특허 :
5
초록▼
A magnetic bearing, adapted to equip a rotary apparatus. The magnetic bearing comprises: an actuator sub-assembly provided with a magnetic base and at least three actuator bobbins mounted on the magnetic base, and a sensor sub-assembly provided with at least three magnetic sensors associated with th
A magnetic bearing, adapted to equip a rotary apparatus. The magnetic bearing comprises: an actuator sub-assembly provided with a magnetic base and at least three actuator bobbins mounted on the magnetic base, and a sensor sub-assembly provided with at least three magnetic sensors associated with the actuator bobbins. At least one sub-assembly amidst the actuator sub-assembly and the sensor sub-assembly comprises at least three sectors mounted together. Each sector includes at least one actuator bobbin when the sector belongs to the actuator sub-assembly, or at least one magnetic sensor when the sector belongs to the sensor sub-assembly. The invention also concerns a rotary apparatus comprising such a magnetic bearing and a method for manufacturing such a magnetic bearing.
대표청구항▼
1. A magnetic bearing, adapted to equip a rotary apparatus, the magnetic bearing comprising: an actuator sub-assembly provided with a magnetic base and at least three actuator bobbins mounted on the magnetic base, each actuator bobbin of the at least three actuator bobbins comprising a coil circumsc
1. A magnetic bearing, adapted to equip a rotary apparatus, the magnetic bearing comprising: an actuator sub-assembly provided with a magnetic base and at least three actuator bobbins mounted on the magnetic base, each actuator bobbin of the at least three actuator bobbins comprising a coil circumscribing a hollow central part, the hollow central part having a recess passing therethrough;the actuator sub-assembly comprises at least three sectors mounted together, each sector comprising at least one actuator horn, anda sensor sub-assembly provided with at least three magnetic sensors associated with the actuator bobbins,wherein each actuator bobbin of the at least three actuator bobbins is mounted on the magnetic base by passing the respective actuator horn through the respective recess of the hollow central part,wherein at least one sub-assembly amidst the actuator sub-assembly and the sensor sub-assembly comprises at least three sectors mounted together,wherein each sector includes one of: at least one actuator bobbin when the sector belongs to the actuator sub-assembly, orat least one magnetic sensor when the sector belongs to the sensor sub-assembly. 2. The magnetic bearing according to claim 1, wherein the actuator sub-assembly comprises four sectors mounted together, each sector extending over an angle of 90 degrees around a central axis of the magnetic bearing. 3. The magnetic bearing according to claim 1, wherein each sector of the actuator sub-assembly comprises two actuator horns made together of a single part and two actuator bobbins mounted on the actuator horns. 4. The magnetic bearing according to claim 1, wherein each magnetic sensor is positioned at a junction between two sectors of the actuator sub-assembly. 5. The magnetic bearing according to claim 1, the sensor sub-assembly further comprising at least three sectors mounted together and each comprising at least one magnetic sensor. 6. The magnetic bearing according to claim 1, the sensor sub-assembly further comprising a base and an intermediate magnetic support which is provided with sensor horns and is fastened between the base and each magnetic sensor received on one of the sensor horns. 7. The magnetic bearing according to claim 6, the intermediate support further comprising a main portion and two sensor horns forming a fork. 8. The magnetic bearing according to claim 1, further comprising two sensor sub-assemblies arranged on either side of the actuator sub-assembly. 9. The magnetic bearing according to claim 1, wherein at least one magnetic system amidst the actuator bobbins and the sensor bobbins comprises together: a coil holder;a coil wound up around the coil holder; anda connector device integrated to the coil holder and designed for plugging at least one wire. 10. The magnetic bearing according to claim 9, wherein the coil holder supports a single coil. 11. The magnetic bearing according to claim 9, the coil holder further comprising two lateral portions, each supporting one coil. 12. The magnetic bearing according to claim 9, wherein the connector device is an insulator displacement connector designed for receiving and automatically restraining at least one wire. 13. The magnetic bearing according to claim 1, wherein the magnetic bearing is integrated into a rotary apparatus. 14. The magnetic bearing according to claim 13, wherein the rotary apparatus is one of: a flywheel, a turbo molecular pump, a turbo expander, a turbo compressor, an air blower, a spindle or a chiller. 15. A method for manufacturing a magnetic bearing, the magnetic bearing comprising: an actuator sub-assembly provided with a magnetic base and at least three actuator bobbins mounted on the magnetic base, each actuator bobbin of the at least three actuator bobbins comprising a coil circumscribing a hollow central part, the hollow central part having a recess passing therethrough;the actuator sub-assembly comprises at least three sectors mounted together, each sector comprising at least one actuator horn, anda sensor sub-assembly provided with at least three magnetic sensors associated with the actuator bobbins,wherein each actuator bobbin of the at least three actuator bobbins is mounted on the magnetic base by passing the respective actuator horn through the respective recess of the hollow central part,wherein at least one sub-assembly amidst the actuator sub-assembly and the sensor sub-assembly comprises at least three sectors mounted together,wherein each sector includes one of: at least one actuator bobbin when the sector belongs to the actuator sub-assembly, orat least one magnetic sensor when the sector belongs to the sensor sub-assembly,the method comprising steps of: a) manufacturing the actuator sub-assembly, including a step of sliding each actuator bobbin onto the magnetic base by passing the respective actuator horn through the respective recess of the hollow central part;b) manufacturing the sensor sub-assembly; andc) assembling the actuator sub-assembly and the sensor sub-assembly to form the magnetic bearing;wherein at least one of during step a) and during step b), at least three sectors are provided to form the actuator sub-assembly or the sensor sub-assembly, each sector including one of: at least one magnetic actuator bobbin when the sector belongs to the actuator sub-assembly, orat least one magnetic sensor bobbin when the sector belongs to the sensor sub-assembly.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (5)
Brunet, Maurice; Schroeder, Ulrich, Active magnetic bearing with integrated detectors.
Hockney Richard L. (Lynnfield MA) Downer James R. (Canton MA) Eisenhaure David B. (Hull MA), Fixed gain electromagnetic actuator and electromagnetic bearing incorporating same.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.