192 clutches and power-stop control – Clutches – Plural clutch-assemblage
Reexamination Certificate
2005-11-29
2010-11-30
Lorence, Richard M. (Department: 3655)
192 clutches and power-stop control
Clutches
Plural clutch-assemblage
C192S084310, C188S164000, C310S100000, C310S105000
Reexamination Certificate
active
07841456
ABSTRACT:
The invention concerns an adjustable hysteresis driver, with a rotor component (5) on the input side that can be driven and/or a stator component (7′, 7″), with an armature component (8) on the output side in fixed connection with a shaft (4), with a hysteresis component (9) connected to the armature component (8), the stator component (7′, 7″) comprising an electromagnet (7a) or permanent magnet (18) by means of which a magnetic flux can be induced in the rotor component (5) and/or the stator component (7′, 7″), and in which the torque that can be transmitted can be adjusted by electromagnetic or electro-mechanical means. The purpose of the invention is to propose a hysteresis driver with improved adjustability. To achieve this it is provided that the hysteresis driver consists of a hysteresis clutch or a hysteresis brake and has active operating means for implementing a “fail-safe” function, which, if the current supply to the electromagnet (7a) fails, ensures that a torque is transferred either by a mechanical coupling or by the action of permanent magnet force between the rotor component (5) of a hysteresis clutch or the stator component (7″) of a hysteresis brake and the said armature component (8).
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Pescheck Jürgen
Thoma Konrad
Unseld Stefan
2F Friedrichshafen AG
Davis & Bujold P.L.L.C.
Lorence Richard M.
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