Patent ID: 6047788
Filing Date: 2000-04-11
Classification: B62D,F15B

Abstract:
A hydraulically operated steering for a motor vehicle comprising a control motor including a first double acting piston and cylinder unit and a second double acting piston and cylinder unit arranged in axial alignment with, and adjacent to, said first double acting piston and cylinder unit, a single piston rod extending through said first and second double acting piston and cylinder units, at least one of said double acting piston and cylinder units having an annular piston disposed on said piston rod and being fastened thereto in a predetermined axial position, said first and second piston and cylinder units including a divider wall ring disposed between said two double acting pistons and having a central opening slidably receiving said piston rod so as to separate said first and second double acting piston and cylinder units fluidically from one another, said piston and cylinder units including cylinder tubes which overlap each other in the area around said divider wall ring and are firmly joined in the area of said divider wall ring and which have opposite outer ends with guide sleeve members providing, together with said divider wall ring, sealed cylinder chambers and forming support bearing structures for axially slidably supporting said piston rod.