Patent · US Active

Control device, agricultural vehicle and method for operating an agricultural vehicle

US11168707B2 · kind B2 · utility

1Cited by

3References

13Claims

0Family size

Assignees

AMAZONEN-WERKE H. DREYER SE & CO. KG · DE
HYDAC SYSTEMS & SERVICES GMBH · DE

Inventors

Frank Grosse Prues · Bersenbrück, DE
Georg Komma · Sankt Ingbert, DE
Patrick Krupp · Neuenkirchen, DE
Timo Kiefer · Saarlouis, DE
Peter Kohl · Neuberg, DE

Key dates

Filing date	May 16, 2017
Grant date	Nov 9, 2021
Priority date	—
Expiry date	May 16, 2037

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF15B11/003
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A control device for an agricultural vehicle having a spray boom assembly for spreading material, such as fertilizer, plant protection products or seeds includes a control unit and at least two pressure control valves used for controlling an inclination of the spray boom assembly and connected to the control unit. Each pressure control valve has assigned thereto a check valve and a pressure sensor, the check valve being arranged between the pressure sensor and the pressure control valve. An agricultural vehicle and a method for operating the agricultural vehicle are arranged to spread material, such as fertilizer, plant protection products or seeds.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.