Seeding system

Patent metadata

Field	Value
Publication number	US-10568256-B2
Application number	US-201715795396-A
Country	US
Kind code	B2
Filing date	Oct 27, 2017
Priority date	Sep 30, 2015
Publication date	Feb 25, 2020
Grant date	Feb 25, 2020

Abstract

A seed metering system includes a volumetric meter and a plurality of row units. Each and every one of the plurality of row units includes a singulating meter, a bypass conduit, and an outlet that is common to and downstream of the singulating meter and the bypass conduit. The seed metering system further includes a dispersion unit including an inlet and a plurality of outlets and operable to disperse the plurality of seeds from the volumetric meter to the plurality of row units. The seed metering system is operable in a first mode of operation in which the volumetric meter communicates with each singulating meter via the dispersion unit to singulate the plurality of seeds. The seed metering system is operable in a second mode of operation in which the volumetric meter communicates with each bypass conduit via the dispersion unit such that the plurality of seeds are not singulated.

First claim

What is claimed is:

1. A seed metering system for selectively metering a plurality of seeds, the seed metering system comprising:
a volumetric meter;
a plurality of row units, wherein each and every one of the plurality of row units comprises
a singulating meter in selective communication with the volumetric meter,
a bypass conduit in selective communication with the volumetric meter, and
an outlet that is common to and downstream of the singulating meter and the bypass conduit; and

a dispersion unit including an inlet and a plurality of outlets and operable to disperse the plurality of seeds from the volumetric meter to the plurality of row units,
wherein the seed metering system is operable in a first mode of operation in which the volumetric meter communicates with each singulating meter via the dispersion unit to singulate the plurality of seeds, and
wherein the seed metering system is operable in a second mode of operation in which the volumetric meter communicates with each bypass conduit via the dispersion unit such that the plurality of seeds is not singulated.

2. The seed metering system of claim 1 , wherein each row unit further comprises a seed sensor positioned at the outlet and operable to detect the plurality of seeds in the first mode and in the second mode.

3. The seed metering system of claim 1 , wherein each one of the plurality of row units includes a valve located upstream of the singulating meter and the bypass conduit, and located downstream of the volumetric meter, the valve operable to switch from a first position in the first mode to a second position in the second mode.

4. The seed metering system of claim 3 , wherein the valve is located downstream of the dispersion unit.

5. The seed metering system of claim 3 , wherein each one of the plurality of row units further comprises a mini-hopper located downstream of the valve and upstream of the singulating meter.

6. The seed metering system of claim 1 , wherein each one of the plurality of row units further comprises a mini-hopper operably positioned between the dispersion unit and the respective singulating meter.

7. The seed metering system of claim 1 , wherein the outlet common to and downstream of the singulating meter and the bypass conduit is configured to discharge seeds to a furrow.

8. The seed metering system of claim 1 , further comprising a fan operable to generate an airflow into the inlet of the dispersion unit.

9. The seed metering system of claim 1 , wherein each row unit is connected to a different outlet of the plurality of outlets of the dispersion unit.

10. A seed metering system for selectively metering a plurality of seeds, the seed metering system comprising:
a storage tank;
a plurality of row units, wherein each and every one of the plurality of row units comprises
a singulating meter in selective communication with the storage tank,
a bypass conduit in selective communication with the storage tank, and
an outlet that is common to and downstream of the singulating meter and the bypass conduit; and

a dispersion unit including an inlet and a plurality of outlets and operable to disperse the plurality of seeds from the storage tank to the plurality of row units,
wherein the seed metering system is operable in a first mode of operation in which the storage tank communicates with each singulating meter via the dispersion unit to singulate the plurality of seeds, and
wherein the seed metering system is operable in a second mode of operation in which the storage tank communicates with each bypass conduit via the dispersion unit such that the plurality of seeds is not singulated.

11. The seed metering system of claim 10 , wherein each row unit further comprises a seed sensor positioned at the outlet and operable to detect the plurality of seeds in the first mode and the second mode.

12. The seed metering system of claim 10 , wherein each one of the plurality of row units includes a valve located upstream of the singulating meter and the bypass conduit, and located downstream of the storage tank, the valve operable to switch from a first position in the first mode to a second position in the second mode.

13. The seed metering system of claim 10 , wherein each one of the plurality of row units further comprises a mini-hopper operably positioned downstream of the dispersion unit and upstream of the singulating meter.

14. The seed metering system of claim 10 , wherein the outlet common to and downstream of the singulating meter and the bypass conduit is configured to discharge seeds to a furrow.

Assignees

• Deere & Co

Inventors

• Frasier Michael E
• Mccartney Scott C

Classifications

• A01C7/084

  Pneumatic distribution heads for seeders · CPC title

• A01C15/00

  Fertiliser distributors ({combined with seeders} A01C7/06) · CPC title

• B65G53/04

  Conveying materials in bulk pneumatically through pipes or tubes; Air slides · CPC title

• B65G53/60

  Devices for separating the materials from propellant gas · CPC title

• A01C7/06 Primary

  Seeders combined with fertilising apparatus · CPC title