192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1987-02-17
1988-08-30
Braun, Leslie A.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
192 84R, 192 90, 318488, F16D 2300
Patent
active
047669853
ABSTRACT:
A vehicle power clutch system, whereby a clutch device is provided with a control lever designed to move between two operating positions, corresponding respectively to engagement and release, by virtue of an axially-mobile control member; at least a portion of the control member consisting of a screw connected, via the interposition of balls, to a nut screw integral with a hollow shaft on an electric motor, through which hollow shaft the control member itself extends; the electric motor being controlled by a threshold comparator, an input of which is connected to the electric output of a device for measuring axial tensile or compressive stress and located along the aforementioned control member.
REFERENCES:
patent: 1989672 (1935-02-01), Apple
patent: 1998918 (1935-04-01), Apple et al.
patent: 4415054 (1983-11-01), Drutchas
patent: 4648498 (1987-03-01), Herbulot et al.
patent: 4658939 (1987-04-01), Kircher et al.
Braun Leslie A.
Roltra S.p.A.
Testardi David A.
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