Steering system having a hydraulic steering column
AssigneeThyssenkrupp Presta AG
InventorManfred Rombold
Life of this patent
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Abstract
The invention relates to a steering system for a motor vehicle, comprising a steering wheel, a steering gear shaft and a hydraulic master unit, the steering gear shaft being in mechanical active connection with the master unit via a toothing, and also comprising hydraulic lines and a hydraulic slave unit in a steering gear which, for swivelling steerable wheels is mechanically coupled therewith, an electronic control for controlling an electric servomotor being provided which is actively connected to the steering gear, the active connection between the steering shaft and the hydraulic master unit being a toothing with a variable transmission.
Claims6
A steering system for a motor vehicle comprising:
- a steering wheel.
- a steering shaft,
- a hydraulic master unit, the steering shaft being in mechanical active connection with the master unit via a toothing,
- hydraulic lines, and
- a hydraulic slave unit in a steering gear mechanically coupled to swivelling steerable wheels and coupled by the hydraulic lines to the hydraulic master unit,
- wherein the active, connection between the steering shaft arid the hydraulic master unit is a toothing with a variable transmission ratio.
A hydraulic master unit of a hydraulic steering system, comprising:
- a piston/cylinder unit having a piston rod;
- and
- an input-side steering shaft which is in mechanical active connection with the piston rod via a toothing wherein the toothing has a variable transmission ratio.
Dependencies are inferred from the claim text.