US 11,751,580 B2
Ingredient freezing system and method for producing frozen ingredient
Ikuo Ota, Okayama (JP); and Yoshiyuki Ota, Okayama (JP)
Assigned to HAKUBAI Co., Ltd., Okayama (JP)
Appl. No. 17/422,894
Filed by HAKUBAI Co., Ltd., Okayama (JP)
PCT Filed Jan. 15, 2020, PCT No. PCT/JP2020/001062
§ 371(c)(1), (2) Date Jul. 14, 2021,
PCT Pub. No. WO2020/149300, PCT Pub. Date Jul. 23, 2020.
Claims priority of application No. 2019-004434 (JP), filed on Jan. 15, 2019.
Prior Publication US 2022/0061342 A1, Mar. 3, 2022
Int. Cl. A23B 4/06 (2006.01); A23B 7/04 (2006.01); A23B 7/06 (2006.01); F25D 13/06 (2006.01)
CPC A23B 4/062 (2013.01) [A23B 7/0408 (2013.01); A23B 7/06 (2013.01); F25D 13/06 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A food freezing system for freezing food, the food freezing system comprising:
freezing units for freezing the food; and
a transporting unit for transporting the food to the two or more freezing units;
wherein the freezing units comprise a plurality of air blowing vents for blowing cold air toward the transporting unit along a direction of transport of the transporting unit,
wherein the air blowing vent is provided at least at either a lower portion or an upper portion of the transporting unit, and is tilted with respect to a direction that is orthogonal to the direction of transport of the transporting unit, and
wherein orientations of tilts of the air blowing vents are configured to alternate along the direction of transport of the transporting unit.