System zur Modifizierung der Nachgiebigkeit eines Anpresskraft-Aktuators und Verfahren zum Betrieb davon

Details

Veröffentlichungs-Nr.

EP4775010

Anmeldetag

17. November 2025

Veröffentlichung

15. Juli 2026

Rechtsraum

EP

IPC

A01C7/20

Abstract

A system for modifying a compliance of a downforce actuator (414) of an agricultural machine is disclosed. The system comprising: a row unit (106) coupled to a tool bar (102) through a linkage assembly (152); an actuator (414) configured to selectively alter the downforce applied to the row unit (106), the actuator (414) having a downforce side configured to bias the row unit (106) towards an underlying surface (410) and an upforce side configured to bias the row unit (106) away from the underlying surface (410); an actuator assembly (110) configured to selectively provide fluid separately to the downforce side and the upforce side of the actuator (414); and a control system (402) configured to selectively engage the actuator assembly (110) to modify a downforce pressure provided to the downforce side and an upforce pressure provided to the upforce side; wherein the control system (402) is configured to selectively transition the actuator (414) between a first compliance configuration and a second compliance configuration; wherein the control system (402) modifies the downforce pressure and the upforce pressure of the actuator assembly (110) between the first compliance configuration and the second compliance configuration and maintains a pressure difference between the downforce pressure and the upforce pressure between the first compliance configuration and the second compliance configuration. Further, a method of modifying response characteristics of the actuator (414) is disclosed.

Anmelder

Firma

Deere & Company

Land

🇺🇸 USA

Fachgebiete