Title:
A rotation coupling device which has a magnetic flux leak way breaker
Document Type and Number:
Japanese Patent JP6016910
Kind Code:
B2
Abstract:
A rotational coupling device is provided that minimizes flux leakage from a magnetic circuit that engages the device. The device includes a rotor and an armature defining opposed engagement surfaces. The rotor, the armature and a field shell disposed on one side of the rotor and housing an electrical conductor comprise members of a magnetic circuit that, upon energization of the conductor, draws the armature into engagement with the rotor. A torque transmission member is coupled to the armature and supported by a bearing. In one embodiment a sleeve is disposed radially inwardly of the bearing. To prevent flux leakage through the torque transmission member, the sleeve has a magnetic permeability that is lower than a magnetic permeability of the members of the magnetic circuit. In another embodiment, a support cup of the torque transmission member has a radially outwardly turned flange to distance the cup from the rotor.
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Inventors:
Purdy, James, A.
Humi, Michael
Humi, Michael
Application Number:
JP2014520207A
Publication Date:
October 26, 2016
Filing Date:
June 29, 2012
Export Citation:
Assignee:
Warner Electric Technology Limited Liability Company
International Classes:
F16D27/10
Domestic Patent References:
| JP11336815A | ||||
| JP2004278778A | ||||
| JP2008544169A | ||||
| JP54169647U | ||||
| JP2304222A | ||||
| JP2009532651A | ||||
| JP2002213495A | ||||
| JP6235428A |
Attorney, Agent or Firm:
Eichi International Patent Office
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