Servo-control unit for a variable prestressed load

Details Servo-control unit for a variable prestressed load Servo-control unit for a variable prestressed load

2006-04-25

2006-04-25

Masih, Karen (Department: 2837)

Electricity: motive power systems

Positional servo systems

Antibacklash systems

C318S432000, C318S433000, C318S434000

Reexamination Certificate

active

07034494

ABSTRACT:
The invention relates a servo-control unit for a load (2) driven in rotation by motorization means (1) connected to the Load by two reduction gears (3, 4) and comprising several sensors for measuring their movements It includes a prestressing motoring system (5) arranged between the two reduction gears (3, 4) so as to apply a positive and respectively a negative torque to each of the reduction gears. The prestressing system (5) is designed to apply a torque at any particular point of the operating field of the reduction gears and to introduce therein a variable prestressing level. The prestressing system (5) is a jack (14) driven by a motor (17) and co-operating with a rack or a screw-nut system (15). The invention is useful for motorization of a turret mounted on a vehicle.

REFERENCES:
patent: 3238803 (1966-03-01), Durand
patent: 4060010 (1977-11-01), Heden
patent: 5359884 (1994-11-01), Fey et al.
patent: 2 538 136 (1984-06-01), None
patent: 1135512 (1968-12-01), None

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