Hysteresis coupling
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United States of America Patent
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Jan 9, 1996
Grant Date -
N/A
app pub date -
Jan 3, 1994
filing date -
Jan 7, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hysteresis coupling comprising a magnetic cylinder (1) made of a permanent-magnetic material and a thrust ring (4) made of a hysteresis material. The thrust ring (4) is fixedly connected to a thrust ring holder (5) and separated from the magnetic cylinder (1) by an air gap (3). The hysteresis coupling transmits the torque from a drive (7) to a pinion (9) which is part of the thrust ring holder (5). The thrust ring (4) is surrounded on its outside by non-magnetic material of high density in order to increase the moment of inertia (5) for noise reduction.
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