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1.发明公开MAGNET ARRANGEMENT, AND DRIVE DEVICE AND COOLING APPARATUS INCORPORATING SAME 失效磁体组件，以及具有该驱动装置和冷却装置。
公开(公告)号：EP0667990A1
公开(公告)日：1995-08-23
申请号：EP93924144.0
申请日：1993-11-01
IPC分类号： H02K33
CPC分类号： H02K33/18
摘要： A linear motor suitable for use with a cryogenic cooler is described. The arrangement comprises first and second annular magnets (100 and 110), which in the preferred embodiment are nested and share a common axis. A circular bore (190) is defined about the common axis and is able to receive a drive shaft (220). The drive shaft (220) is connected to a base member (210) which has an annular peripheral region (200) in which a coil (200) is defined. Coil (200) has poles (150 and 160). The coil (200) when energised causes reciprocal motion of the drive shaft (220). The coil (200) per se is able to move into and out of an annular cavity (170) defined between the nested magnets (100 and 110).
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2.发明授权MAGNET ARRANGEMENT, AND DRIVE DEVICE AND COOLING APPARATUS INCORPORATING SAME 失效磁体组件，以及具有该驱动装置和冷却装置
公开(公告)号：EP0667990B1
公开(公告)日：1997-08-27
申请号：EP93924144.4
申请日：1993-11-01
IPC分类号： H02K33/18
CPC分类号： H02K33/18
摘要： A linear motor suitable for use with a cryogenic cooler is described. The arrangement comprises first and second annular magnets (100 and 110), which in the preferred embodiment are nested and share a common axis. A circular bore (190) is defined about the common axis and is able to receive a drive shaft (220). The drive shaft (220) is connected to a base member (210) which has an annular peripheral region (200) in which a coil (200) is defined. Coil (200) has poles (150 and 160). The coil (200) when energised causes reciprocal motion of the drive shaft (220). The coil (200) per se is able to move into and out of an annular cavity (170) defined between the nested magnets (100 and 110).
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