US 12,345,461 B2
Particles object freezing device
Hiroshi Ishida, Tokyo (JP); Takaaki Ito, Tokyo (JP); Akira Iwashita, Tokyo (JP); and Pancer Branko, Szentendre (HU)
Assigned to MAYEKAWA MFG. CO., LTD., Tokyo (JP)
Appl. No. 18/259,530
Filed by MAYEKAWA MFG. CO., LTD., Tokyo (JP)
PCT Filed Jun. 3, 2022, PCT No. PCT/JP2022/022658
§ 371(c)(1), (2) Date Jun. 27, 2023,
PCT Pub. No. WO2023/233660, PCT Pub. Date Dec. 7, 2023.
Prior Publication US 2024/0393030 A1, Nov. 28, 2024
Int. Cl. F25D 13/06 (2006.01); A23B 7/04 (2006.01); B65G 15/32 (2006.01)
CPC F25D 13/06 (2013.01) [A23B 7/0408 (2013.01); B65G 15/32 (2013.01); F25D 13/067 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A particulate material freezing device, comprising:
an air-permeable belt configured to support conveyance of a particulate material; and
an injection plate which includes a plurality of injection holes configured to inject a cooling gas to the belt from below,
wherein the belt includes:
a plurality of sliding portions disposed at intervals in a traveling direction of the belt and configured to move while sliding on an upper surface of the injection plate in the traveling direction;
a traveling portion formed into an endless shape so as to surround the injection plate;
a plurality of protrusions as the plurality of sliding portions, each of the plurality of protrusions protruding toward a side of the traveling portion opposite to a conveying surface; and
a plurality of vents disposed at different positions in the traveling direction between two adjacent protrusions of the plurality of protrusions in the traveling direction.