Servo steering systems for motor vehicles

Details Servo steering systems for motor vehicles Servo steering systems for motor vehicles

1974-11-15

1976-03-23

Wood, Jr., M. H.

Motor vehicles

Compensating devices

91380, 91417R, B62D 508

Patent

active

039454568

ABSTRACT:
A servo steering system for motor vehicles has a stepped servo piston arranged in a cylinder-forming space of a housing for dividing the cylinder space into a pair of separated working spaces of different volumes. The servo piston is engaged by a worm shaft connected to a steering wheel of the vehicle and arranged extending into the housing. The working space having the larger volume is connected to a pressure source by a valve member operatively connected with a lever associated with the servo piston for controlling fluid flow through the working space and magnifying movement of the worm shaft, with the smaller volume working space of the servo piston being connected directly to the pressure source. Reaction spaces of a stepped control piston of the valve member are substantially in the same ratio as the working spaces of the servo piston.

REFERENCES:
patent: 3010335 (1961-11-01), Foerster et al.

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