VEHICLE STEERING BOOSTER Russian patent published in 2005 - IPC

FIELD: transport engineering.

SUBSTANCE: invention relates to servos of vehicle steering systems. Proposed steering booster has housing, steering shaft consisting of inlet and outlet parts, torsion bar connecting parts of steering shaft, drive, reduction gear with drive shaft and two opposite rotation toothed pairs with constant external meshing connected with output part of steering shaft for each direction of steering wheel turning through one of two clutches. Both parts of steering shaft are made in form of screw pair. Input part of steering shaft is made in form of screw, and its output shaft, in form of nut freely fitted in housing for axial displacement. Clutches are of friction type.

EFFECT: provision of stepless connection of drive to output part of steering shaft, improved reliability of steering booster.

6 cl, 1 dwg