192 clutches and power-stop control – Clutches – Operators
Patent
1996-11-15
1999-03-30
Lorence, Richard M.
192 clutches and power-stop control
Clutches
Operators
192 7027, 188 723, 267161, F16D 1371, F16D 5502
Patent
active
058876910
ABSTRACT:
A contolled force actuating system having a positive Belleville spring and a negative Belleville spring arranged in series between a load member and a reaction member. The positive Belleville spring is initially in a relaxed condition and the negative Belleville spring being initially in a loaded energy storing condition. A movable control device engages at least the negative Belleville spring so that movement of the control device releases stored energy from the negative Belleville spring to the positive Belleville spring. The combined energy stored in both the positive and negative Belleville springs is applied between the reaction member and the load member. The Belleville springs may be designed so that the rate of energy release from the negative Belleville is substantially the same as, less than, or greater than the rate of energy storage by the positive Belleville spring, depending on whether the application of the system is served by a minimal the control force to move the control device, a control force that may be removed after the application of force between the reaction member and the load member, such as in an automotive clutch, or a control force that must be exerted to maintain that application of force, such as in a friction brake.
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Dr.-Ing. Wolfgang Reik, "The Self-Adjusting Clutch-SAC,"LuK Drive Train Systems, Comfort and Economy, May 27, 1994.
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