Hydraulic assembly and commercial vehicle
AssigneeDeere & Company
InventorsMANUEL BILLICH, MICHAEL MEID
Life of this patent
Estimating the term…
Abstract
A hydraulic assembly includes a supply connector which is hydraulically connectable to a pump outlet of a hydraulic variable pump and a feedback connector.is the hydraulic assembly includes an adjustment control, which depends on an outlet pressure of the variable pump and on a reported pressure of the feedback connector, for adjusting the variable pump. A hydraulic valve device is disposed in the flow path between the pump outlet and the supply connector. The valve device includes a valve unit which is effective as a hydraulic connection or interruption in the flow path or on the flow path as a branch to a tank connector, depending on a shift position. Moreover, the disclosure relates to a commercial vehicle having such a hydraulic assembly.
Claims18
A hydraulic assembly for a commercial vehicle, comprising:
- a supply connector, which is hydraulically connectable to a pump outlet of a hydraulic variable pump, as an interface for supplying hydraulic consumers of the commercial vehicle;
- a feedback connector as an interface for pressure feedback from consumers;
- an adjustment control, which depends on an outlet pressure of the variable pump and on a reported pressure of the feedback connector, for adjusting the variable pump;
- and
- a hydraulic valve device in the flow path between the pump outlet and the supply connector, the valve device including a valve unit having a first shift position which is effective as a hydraulic connection in the flow path and a second shift position which is effective as a hydraulic interruption in the flow path.
A commercial vehicle comprising:
- a drive motor;
- a hydraulic assembly;
- and
- a hydraulic assembly for a commercial vehicle, including:
- a supply connector, which is hydraulically connectable to a pump outlet of a hydraulic variable pump, as an interface for supplying hydraulic consumers of the commercial vehicle;
- a feedback connector as an interface for pressure feedback from consumers;
- an adjustment control, which depends on an outlet pressure of the variable pump and on a reported pressure of the feedback connector, for adjusting the variable pump;
- and
- a hydraulic valve device in the flow path between the pump outlet and the supply connector, the valve device including at least one of a valve unit having a first shift position which is effective as a hydraulic connection in the flow path and a second shift position which is effective as a hydraulic interruption in the flow path and a valve unit hydraulically connected to the flow path as a branch to a tank connector and having a first shift position which is effective as a hydraulic interruption to the tank connector and a second shift position which is effective as a hydraulic connection to the tank connector.
A hydraulic assembly for a commercial vehicle, comprising:
- a supply connector, which is hydraulically connectable to a pump outlet of a hydraulic variable pump, as an interface for supplying hydraulic consumers of the commercial vehicle;
- a feedback connector as an interface for pressure feedback from consumers;
- an adjustment control, which depends on an outlet pressure of the variable pump and on a reported pressure of the feedback connector, for adjusting the variable pump;
- and
- a hydraulic valve device in the flow path between the pump outlet and the supply connector, the valve device including a valve unit hydraulically connected to the flow path as a branch to a tank connector, having a first shift position which is effective as a hydraulic interruption to the tank connector, and having a second shift position which is effective as a hydraulic connection to the tank connector.
Dependencies are inferred from the claim text.