Multiple-disc brake electromechanical actuator for transport...

Details Multiple-disc brake electromechanical actuator for transport... Multiple-disc brake electromechanical actuator for transport...

2005-09-27

2005-09-27

Torres, Melanie (Department: 3683)

Brakes

Wheel

Axially movable brake element or housing therefor

C188S071900

Reexamination Certificate

active

06948595

ABSTRACT:
An electromechanical multiple-disk brake actuator is provided. The actuator includes a first reversible assembly with a central screw, a first electric motor rotating the screw, a first nut displaceable over the screw when the screw is rotated and a connection between the screw and the nut permit reversible displacement. The actuator also has a second non-reversible assembly including an annular screw on the first nut, a second electric motor for rotating the annular screw and the first nut, and a second nut fixed to a frame but axially displaceable over the annual screw when the annular screw is rotated. A piston at one of the ends of the second nut presses the disk against one another to ensure braking.

REFERENCES:
patent: 3952844 (1976-04-01), Newstead et al.
patent: 4721190 (1988-01-01), Schmidt et al.
patent: 4809824 (1989-03-01), Fargier et al.
patent: 6173820 (2001-01-01), Blosch et al.
patent: 6189661 (2001-02-01), Schaffer
patent: 6767305 (2004-07-01), Backes et al.
patent: WO 200060255 (2000-10-01), None

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