Magnetic rotation transmitting device, hermetic stirring unit, and electric furnace
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02K-049/06
H02K-049/00
H02K-005/10
H05B-006/24
H05B-006/02
H05B-003/62
B01F-003/06
B01F-003/00
출원번호
US-0076659
(2005-03-10)
우선권정보
JP-2004-074978(2004-03-16)
발명자
/ 주소
Akiyama,Shinichi
출원인 / 주소
Maguneo Co., Ltd.
대리인 / 주소
Notaro &
인용정보
피인용 횟수 :
7인용 특허 :
1
초록▼
In order to provide a magnetic rotation transmitting device capable of obtaining a large transmitting torque without using a large-sized permanent magnet, in an axial-type magnetic rotation transmitting device, which includes a driving rotation body having one or plural magnetic line(s) in which plu
In order to provide a magnetic rotation transmitting device capable of obtaining a large transmitting torque without using a large-sized permanent magnet, in an axial-type magnetic rotation transmitting device, which includes a driving rotation body having one or plural magnetic line(s) in which plural first magnets (10A) are disposed in a circumferential direction on a first disk (11A) at almost equal intervals, a drive source rotationally driving a drive shaft of the driving rotation body, and a driven rotation body having one or plural magnet line(s) in which second magnets (20A) of the same number as the first magnets (10A) are disposed in the circumferential direction on a second disk (21A) at almost equal intervals, symmetrically disposed to, and magnetically coupled with the driving rotation body with a magnetic coupling gap and, which utilizes a magnetic operation and which allows the driven rotation body to rotate by rotationally driving the drive shaft by means of the drive source, the first magnet (10A) has a N-magnetic pole portion and a S-magnetic pole portion, and an extended surface of a boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driving center line as being a rotation center line of the driving rotation body, the second magnet (20A) has the N-magnetic pole portion and the S-magnetic pole portion, and the extended surface of the boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driven center line as being the rotation center line of the driven rotation body, adjacent and facing surfaces of the first magnets (10A) adjacent to each other on the first disk (11A) are disposed so that magnetic pole faces having the same polarity make pairs, and adjacent and facing surfaces of the second magnets (20A) adjacent to each other on the second disk (21A) are disposed so that the magnetic pole faces having the same polarity make pairs.
대표청구항▼
What is claimed is: 1. An axial-type magnet rotation transmitting device, comprising: a driving rotation body having one or plural magnetic line(s) in which plural first magnets (10A) are disposed in a circumferential direction on a first disk (11A) at almost equal intervals; a drive source rotatio
What is claimed is: 1. An axial-type magnet rotation transmitting device, comprising: a driving rotation body having one or plural magnetic line(s) in which plural first magnets (10A) are disposed in a circumferential direction on a first disk (11A) at almost equal intervals; a drive source rotationally driving a drive shaft of said driving rotation body; and a driven rotation body having one or plural magnet line(s) in which second magnets (20A) of the same number as the first magnets (10A) are disposed in the circumferential direction on a second disk (21A) at almost equal intervals, symmetrically disposed to, and magnetically coupled with said driving rotation body with a magnetic coupling gap, which utilizes a magnetic operation and which allows said driven rotation body to rotate by rotationally driving the drive shaft by means of said drive source, and wherein the first magnet (10A) has a N-magnetic pole portion and a S-magnetic pole portion, and an extended surface of a boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driving center line as being a rotation center line of said driving rotation body; wherein the second magnet (20A) has the N-magnetic pole portion and the S-magnetic pole portion, and the extended surface of the boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driven center line as being the rotation center line of said driven rotation body; wherein adjacent and facing surfaces of the first magnets ( 10A) adjacent to each other on the first disk (11A) are disposed so that magnetic pole faces having the same polarity make pairs, and wherein adjacent and facing surfaces of the second magnets (20A) adjacent to each other on the second disk (21A) are disposed so that the magnetic pole faces having the same polarity make pairs. 2. A radial-type magnet rotation transmitting device, comprising: a driving rotation body having one or plural magnetic line(s) in which plural first magnets (10B) are disposed in a circumferential direction on an inner wall of a cylinder (11B) at almost equal intervals; a drive source rotationally driving a drive shaft of said driving rotation body; and a driven rotation body having one or plural magnet line(s) in which second magnets (20B) of the same number as the first magnets (10B) are disposed in the circumferential direction on an outer wall of a column (21B) housed in the cylinder (11B) at almost equal intervals, symmetrically disposed to, and magnetically coupled with said driving rotation body with a magnetic coupling gap, which utilizes a magnetic operation and which allows the driven rotation body to rotate by rotationally driving the drive shaft by means of said drive source, and wherein the first magnet (10B) has a N-magnetic pole portion and a S-magnetic pole portion, and an extended surface of a boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driving center line as being a rotation center line of said driving rotation body, wherein the second magnet (20B) has the N-magnetic pole portion and the S-magnetic pole portion, and the extended surface of the boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driven center line as being the rotation center line of said driven rotation body, wherein adjacent and facing surfaces of the first magnets ( 10B) adjacent to each other on the cylinder (11B) are disposed so that magnetic pole faces having the same polarity make pairs, and wherein adjacent and facing surfaces of the second magnets (20B) adjacent to each other on the column (21B) are disposed so that the magnetic pole faces having the same polarity make pairs. 3. A hermetic stirring unit, comprising: a hermetic container (31A); a stirring blade (32A); a driven shaft (52A); and a magnetic rotation transmitting device, and wherein said magnetic rotation transmitting device is an axial-type magnetic rotation transmitting device which includes a driving rotation body having one or plural magnetic line(s) in which plural first magnets (10A) are disposed in a circumferential direction on a first disk (11A) at almost equal intervals, a drive source ( 41A) rotationally driving a drive shaft (42A) of the driving rotation body, and a driven rotation body having one or plural magnet line(s) in which second magnets (20A) of the same number as the first magnets (10A) are disposed in the circumferential direction on a second disk (21A) at almost equal intervals, symmetrically disposed to, and magnetically coupled with the driving rotation body with a magnetic coupling gap, which utilizes a magnetic operation and which allows the driven shaft (52A) to rotate by rotationally driving the drive shaft (42A) by means of the drive source (41A), wherein the first magnet (10A) has a N-magnetic pole portion and a S-magnetic pole portion, and an extended surface of a boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driving center line as being a rotation center line of the driving rotation body, wherein the second magnet (20A) has the N-magnetic pole portion and the S-magnetic pole portion, and the extended surface of the boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driven center line as being the rotation center line of the driven rotation body, wherein adjacent and facing surfaces of the first magnets ( 10A) adjacent to each other on the first disk (11A) are disposed so that magnetic pole faces having the same polarity make pairs, wherein adjacent and facing surfaces of the second magnets (20A) adjacent to each other on the second disk (21A) are disposed so that the magnetic pole faces having the same polarity make pairs, and wherein said stirring blade (32A) is rotatably attached to said driven shaft (52A) installed to the driven rotation body so that the driven center line is allowed to be the rotation center line. 4. A hermetic stirring unit, comprising: a hermetic container (31B); a stirring blade (32B); a driven shaft (52B); and a magnetic rotation transmitting device, and wherein the magnetic rotation transmitting device is a radial-type magnetic rotation transmitting device which includes a driving rotation body having one or plural magnetic line(s) in which plural first magnets (10B) are disposed in a circumferential direction on an inner wall of a cylinder (11B) at almost equal intervals, a drive source (41B) rotationally driving a drive shaft (42B) of the driving rotation body, and a driven rotation body having one or plural magnet line(s) in which second magnets (20B) of the same number as the first magnets (10B) are disposed in the circumferential direction on an outer wall of a column (21B) housed in the cylinder (11B) at almost equal intervals, symmetrically disposed to, and magnetically coupled with the driving rotation body with a magnetic coupling gap, which utilizes a magnetic operation and which allows the driven shaft (52B) to rotate by rotationally driving the drive shaft (42B) by means of the drive source (41B), wherein the first magnet (10B) has a N-magnetic pole portion and a S-magnetic pole portion, and an extended surface of a boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driving center line as being a rotation center line of the driving rotation body, wherein the second magnet (20B) has the N-magnetic pole portion and the S-magnetic pole portion, and the extended surface of the boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driven center line as being the rotation center line of the driven rotation body, wherein adjacent and facing surfaces of the first magnets ( 10B) adjacent to each other on the cylinder (11B) are disposed so that magnetic pole faces having the same polarity make pairs, wherein adjacent and facing surfaces of the second magnets (20B) adjacent to each other on the column (21B) are disposed so that the magnetic pole faces having the same polarity make pairs, and wherein said stirring blade (32B) is rotatably attached to said driven shaft (52B) installed to the driven rotation body so that the driven center line is allowed to be the rotation center line. 5. A hermetic stirring unit, comprising: a hermetic container (31C) having a fixing shaft ( 33A) thereinside, a stirring blade; and a magnetic rotation transmitting device, and wherein said magnetic rotation transmitting device is an axial-type magnetic rotation transmitting device which includes a driving rotation body having one or plural magnetic line(s) in which plural first magnets (10A) are disposed in a circumferential direction on a first disk (11A) at almost equal intervals, a drive source ( 41C) rotationally driving a drive shaft (42C) of the driving rotation body, and a driven rotation body having one or plural magnet line(s) in which second magnets (20C) of the same number as the first magnets (10A) are disposed in the circumferential direction on a second disk (21C) at almost equal intervals, symmetrically disposed to, and magnetically coupled with the driving rotation body with a magnetic coupling gap, which utilizes a magnetic operation and which allows the driven rotation body to rotate by rotationally driving the drive shaft (42C) by means of the drive source (41C), wherein the first magnet (10A) has a N-magnetic pole portion and a S-magnetic pole portion, and an extended surface of a boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driving center line as being a rotation center line of the driving rotation body, wherein the second magnet (20C) has the N-magnetic pole portion and the S-magnetic pole portion, and the extended surface of the boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driven center line as being the rotation center line of the driven rotation body, wherein adjacent and facing surfaces of the first magnets ( 10A) adjacent to each other on the first disk (11A) are disposed so that magnetic pole faces having the same polarity make pairs, wherein adjacent and facing surfaces of the second magnets (20C) adjacent to each other on the second disk (21C) are disposed so that the magnetic pole faces having the same polarity make pairs, and wherein said fixing shaft (33A) is inserted into a driven-shaft through hole as a through hole of a circular section formed so as to include the driven center line of the driven rotation body, the driven rotation body is rotatably attached through bearing members ( 34A) and said stirring blade is attached to the driven rotation body. 6. A hermetic stirring unit, comprising: a hermetic container (31D) having a fixing shaft ( 33B) thereinside; a stirring blade; and a magnetic rotation transmitting device, and wherein said magnetic rotation transmitting device is a radial-type magnetic rotation transmitting device which includes a driving rotation body having one or plural magnetic line(s) in which plural first magnets (10C) are disposed in a circumferential direction on an outer wall of a column (11C) at almost equal intervals, a drive source (41D) rotationally driving a drive shaft (42D) of the driving rotation body, and a driven rotation body having one or plural magnet line(s) in which second magnets (20D) of the same number as the first magnets (10C) are disposed in the circumferential direction on an inner wall of a cylinder (21D) housing the column at almost equal intervals, symmetrically disposed to, and magnetically coupled with the driving rotation body with a magnetic coupling gap, which utilizes a magnetic operation and which allows the driven rotation body to rotate by rotationally driving the drive shaft (42D) by means of the drive source (41D), wherein the first magnet (10C) has a N-magnetic pole portion and a S-magnetic pole portion, and an extended surface of a boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driving center line as being a rotation center line of the driving rotation body, wherein the second magnet (20D) has the N-magnetic pole portion and the S-magnetic pole portion, and the extended surface of the boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driven center line as being the rotation center line of the driven rotation body, wherein adjacent and facing surfaces of the first magnets ( 10C) adjacent to each other on the column (11C) are disposed so that magnetic pole faces having the same polarity make pairs, wherein adjacent and facing surfaces of the second magnets (20D) adjacent to each other on the cylinder (21D) are disposed so that the magnetic pole faces having the same polarity make pairs, and wherein said fixing shaft (33B) is inserted into a driven-shaft through hole as a through hole of a circular section formed so as to include the driven center line of the driven rotation body, the driven rotation body is rotatably attached through bearing members ( 34B) and said stirring blade is attached to the driven rotation body. 7. An electric furnace, comprising: a pressure resistant vessel; a crucible provided in said pressure-resistant vessel; a crucible supporting shaft supporting said crucible; a heating means heating materials in said crucible; a pulling shaft of a single crystal for pulling up a crystal from said crucible; and a radial-type magnetic rotation transmitting device rotating said pulling shaft and/or said crucible supporting shaft, and wherein said radial-type magnetic rotation transmitting device includes a drive rotation body having one or plural magnet line(s) in which plural first magnets (10B), (10B) are disposed on an outer periphery to a lower hermetic barrel unit (67) and an upper hermetic barrel unit (68) at almost equal intervals, and a driven rotation body having one or plural magnet line(s) in which second magnets (20B), (20B) of the same number as the respective first magnets (10B), (10B) are disposed in a circumferential direction on outer walls of second rotating columns ( 21B), (21B) housed in the lower hermetic barrel unit (67 ) and the upper hermetic barrel unit (68) at almost equal intervals, symmetrically disposed to, and magnetically coupled with the driving rotation body with a magnetic coupling gap, which utilizes a magnetic operation and which allows the second magnets (20B), ( 20B) to rotate and/or to slide in upper and lower directions by rotationally driving the first magnets (10B), (10B), wherein the first magnets (10B), (10B) respectively have N-magnetic pole portions and a S-magnetic pole portions, and an extended surface of a boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driving center line as being a rotation center line of the driving rotation body, wherein the second magnets (20B), (20B) respectively have the N-magnetic pole portions and the S-magnetic pole portions, and the extended surface of the boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driven center line as being the rotation center line of the driven rotation body, wherein adjacent and facing surfaces of the first magnets ( 10B), (10B) are disposed so that magnetic pole faces having the same polarity make pairs, wherein adjacent and facing surfaces of the second magnets (20B), (20B) adjacent to each other on the rotating columns (21B), (21B) are disposed so that the magnetic pole faces having the same polarity make pairs, and wherein said crucible and a seed crystal are rotatably attached to said crucible supporting shaft and said pulling shaft installed to the driven rotation body so that the driven center line is allowed to be the rotation center line. 8. An electric furnace, comprising: a pressure resistant vessel; a crucible provided in said pressure-resistant vessel; a crucible supporting shaft rotating said crucible; a heating means heating materials in said crucible; and an axial-type magnetic rotation transmitting device rotating said crucible, and wherein said axial-type magnetic rotation transmitting device includes a driving rotation body having one or plural magnet line(s) in which plural first magnets (10A) are disposed in a circumferential direction on a first disk (11A) at almost equal intervals, a drive source (41A) rotationally driving a drive shaft (42A) of the driving rotation body, and a driven rotation body having one or plural magnet line(s) in which second magnets (20A) of the same number as the first magnets (10A) are disposed in the circumferential direction on a second disk (21A) at almost equal intervals, symmetrically disposed to, and magnetically coupled with the driving rotation body with a magnetic coupling gap, which utilizes a magnetic operation and which allows the crucible supporting shaft to rotate by rotationally driving the drive shaft (42A) by the drive source (41A), wherein the first magnet (10A) has a N-magnetic pole portion and a S-magnetic pole portion, and an extended surface of a boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driving center line as being a rotation center line of the driving rotation body, wherein the second magnet (20A) has the N-magnetic pole portion and the S-magnetic pole portion, and the extended surface of the boundary surface between the N-magnetic pole portion and the S-magnetic pole portion approximately overlaps with a driven center line as being the rotation center line of the driven rotation body, wherein adjacent and facing surfaces of the first magnets ( 10A) adjacent to each other on the first disk (11A) are disposed so that magnetic pole faces having the same polarity make pairs, wherein adjacent and facing surfaces of the second magnets (20A) adjacent to each other on the second disk (21A) are disposed so that the magnetic pole faces having the same polarity make pairs, and wherein said crucible is rotatably attached to said crucible supporting shaft installed to the driven rotation body so that the driven center line is allowed to be the rotation center line.
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이 특허에 인용된 특허 (1)
Pieters Ferdinandus A. (Walnut Creek CA), Split magnet drive.
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