Title:
自己調整可能な磁気カプラー
Document Type and Number:
Japanese Patent JP4199657
Kind Code:
B2
Abstract:
In a magnetic coupler, a pair of magnet rotors is slidably mounted on rods. Ferrous material on the conductor rotors attracts the permanent magnets in the magnet rotors. Under static or relative static conditions, the attractive force urges the magnet rotors toward the conductor rotors to create a minimum, operational air gap therebetween. When there is a significant relative rotational velocity between the magnet rotors and the conductor rotors, a repulsion force urges the rotors apart. During start-up, latch arms retain the magnet rotors apart from the conductor rotors by a larger, soft-start air gap. During operation, centrifugal force moves the latch arms out of their active position. If the rotational speed of the load shaft decreases rapidly during operation, the magnet rotors move apart from the conductor rotors by a still larger, fully disengaged air gap.
Inventors:
Richard Killen
Bruce Deedsmore
John El Brockman
Karl Jay Lamb
Toby Merrill
Bruce Deedsmore
John El Brockman
Karl Jay Lamb
Toby Merrill
Application Number:
JP2003511389A
Publication Date:
December 17, 2008
Filing Date:
May 30, 2002
Export Citation:
Assignee:
Magna Drive Corporation
International Classes:
H02K49/02; H02K49/04; H02K49/10
Foreign References:
| US6242832 | ||||
| US5473209 |
Attorney, Agent or Firm:
Sakuo Yamaguchi
Yuichi Kasai
Masaharu Yokoyama
Yuichi Kasai
Masaharu Yokoyama