Back to results
US 6,578,356 B2Granted
Method and arrangement for hydraulic steering
AssigneeSauer-Danfoss (Norborg) A/S
InventorTorben Juul
Life of this patent
Estimating the term…
Abstract
Disclosed herein is a method for hydraulic steering. The method includes supplying a steering unit with a controlled working pressure from a load signal line dependent upon a load signal. The load signal being generated via a load signal fluid having a fluid flow. Also disclosed herein is a hydraulic steering arrangement for carrying out the method. A load signal adjustment device is provided through which the fluid flow can be adjusted to an at least approximately constant value.
Claims13
A method for hydraulic steering, comprising:
- supplying a steering unit with a controlled working pressure dependent upon a load signal from a load signal line;
- generating the load signal via a load signal fluid having a fluid flow;
- adjusting the fluid flow to an at least approximately constant value;
- connecting a load signal adjustment device with a control throttle in a steering unit via the load signal line;
- adjusting a load signal pressure via the control throttle;
- providing a connecting branch to a priority valve between a load signal adjustment device and the control throttle;
- and
- controlling the working pressure supplying the steering unit via the connecting branch.
5 more elements
A hydraulic steering arrangement comprising:
- a steering unit supplied with a fluid flow dependent upon a load signal in a load signal line;
- a fluid having a controllable working pressure;
- the load signal adjustment device having a flow control valve, the flow control valve maintaining the fluid flow at an at least approximately constant value;
- the load signal adjustment device having an adjustment throttle, taps being arranged before and after the adjustment throttle, the taps being connected with the flow control valve via adjustment connections.
1 more element
Dependencies are inferred from the claim text.