Device and method for adjusting the torque transmitted by a...

Details Device and method for adjusting the torque transmitted by a... Device and method for adjusting the torque transmitted by a...

2006-04-25

2006-04-25

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Clutches

Operators

C192S084700, C192S03000R, C701S067000

Reexamination Certificate

active

07032733

ABSTRACT:
A device for setting the torque transmitted by a friction clutch (12), having an actuator chain which comprises an electric motor (45), a step-down gear (42) and a mechanism for converting the rotational movement into a displacement of a pressure plate (29) of the clutch (12), so as to enable the torque which is transmitted to be set precisely and rapidly even given high friction. For this purpose, the electric motor (45) and/or step-down gear (42) is/are affected by friction, the conversion mechanism (31, 32, 35, 36, 40) and/or the friction clutch (12) itself is/are affected by elasticity, and, to set the torque (Md) of the friction clutch (12), a position regulator (47) which is operatively connected to the electric motor (45) and a sensor (46; 46′) which determines the position of one of the links of the actuator chain (45, 42, 41, 40, 36, 35, 32, 31, 29) are provided, the sensor being present at a location upstream of a substantial part of the elasticity in the force-flow direction. The corresponding control and calibrating method is also developed.

REFERENCES:
patent: 5267635 (1993-12-01), Peterson et al.
patent: 6003649 (1999-12-01), Fischer et al.
patent: 6712189 (2004-03-01), Hirt
patent: 2003/0029690 (2003-02-01), Reisinger
patent: 2004/0188218 (2004-09-01), Berger et al.

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