US 11,997,953 B2
Grain separating apparatus for a combine harvester and a method for separating grain from straw material
Jakob Balling Bro Sørensen, Hammel (DK)
Assigned to Jakob Sørensen IP APS, Hammel (DK)
Appl. No. 17/287,876
Filed by Jakob Balling Bro Sørensen, Hammel (DK)
PCT Filed Nov. 4, 2019, PCT No. PCT/DK2019/050330
§ 371(c)(1), (2) Date Apr. 22, 2021,
PCT Pub. No. WO2020/094195, PCT Pub. Date May 14, 2020.
Claims priority of application No. PA 2018 70730 (DK), filed on Nov. 6, 2018.
Prior Publication US 2021/0392819 A1, Dec. 23, 2021
Int. Cl. A01F 12/34 (2006.01); A01F 12/30 (2006.01); A01F 12/44 (2006.01); A01F 17/02 (2006.01)
CPC A01F 12/34 (2013.01) [A01F 12/30 (2013.01); A01F 12/444 (2013.01); A01F 17/02 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A grain separating apparatus for a combine harvester, said grain separating apparatus comprising at least a first walker-sieve and a second walker-sieve arranged side by side, wherein said first walker-sieve and said second walker-sieve are suspended in at least two suspension points in said combine harvester, wherein at least one of said two suspension points describes a rotational motion and wherein a rotational motion drive drives said rotational motion of said first walker-sieve out of phase with said rotational motion of said second walker-sieve, wherein each of said at least two walker-sieves include
a straw walker comprising drivers for conveying a straw material and wherein grain and debris are separated from said straw material through walker apertures in said straw walker, wherein at least a portion of said straw walker is rigidly connected directly on top of, and at least partly aligns with,
at least one sieve being arranged to separate said grain from said debris.