Arrangement for operating a hydraulic control valve for an agricultural tractor
AssigneeDeere & Company
InventorsManuel Billich, Sebastian Traut
Life of this patent
Estimating the term…
Abstract
An arrangement for operating a hydraulic control valve for an agricultural tractor includes a first hydraulic connection and a second hydraulic connection of the hydraulic control valve alternately acting as a feed line or return line for hydraulic fluid depending on an operating command, a first and second hydraulic coupler for operating a hydraulic consumer attachable thereon, and a 3/2-way valve selectively connects the first hydraulic connection to a working chamber of a hydraulic cylinder in a first switching position and to the first hydraulic coupler in a second switching position, wherein the second hydraulic connection is connected directly to the second hydraulic coupler.
Claims15
An arrangement for operating a hydraulic control valve for an agricultural tractor, comprising:
- a first hydraulic connection and a second hydraulic connection of the hydraulic control valve alternately acting as a feed line or return line for hydraulic fluid depending on an operating command;
- a first and second hydraulic coupler for operating a hydraulic consumer attachable thereon;
- and
- a 3/2-way valve selectively connects the first hydraulic connection to a working chamber of a hydraulic cylinder in a first switching position and to the first hydraulic coupler in a second switching position;
- wherein the second hydraulic connection is connected directly to the second hydraulic coupler.
A hydraulic system of an agricultural tractor, comprising:
- a hydraulic control valve having a first hydraulic connection and a second hydraulic connection alternately acting as a feed line or return line for hydraulic fluid depending on an operating command;
- a first and second hydraulic coupler for operating a hydraulic consumer attachable thereon;
- and
- a 3/2-way valve selectively connects the first hydraulic connection to a working chamber of a hydraulic cylinder in a first switching position and to the first hydraulic coupler in a second switching position;
- wherein the second hydraulic connection is connected directly to the second hydraulic coupler.
Dependencies are inferred from the claim text.