US 12,408,679 B2
Fruit sterilizing and cooling device using plasma-activated ice-water mixture
Di Wu, Hangzhou (CN); Feng Jiang, Hangzhou (CN); Xiangzheng Yang, Hangzhou (CN); Chongde Sun, Hangzhou (CN); and Kunsong Chen, Hangzhou (CN)
Assigned to ZHEJIANG UNIVERSITY, Hangzhou (CN)
Filed by ZHEJIANG UNIVERSITY, Hangzhou (CN)
Filed on Dec. 23, 2024, as Appl. No. 18/991,794.
Application 18/991,794 is a continuation of application No. PCT/CN2024/073395, filed on Jan. 22, 2024.
Claims priority of application No. 202310162638.4 (CN), filed on Feb. 24, 2023.
Prior Publication US 2025/0120411 A1, Apr. 17, 2025
Int. Cl. A23B 7/04 (2006.01); A23B 7/055 (2006.01); A61L 2/14 (2006.01); A61L 2/18 (2006.01)
CPC A23B 7/0425 (2013.01) [A23B 7/055 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A fruit sterilizing and cooling device using a plasma-activated ice-water mixture, comprising
a top-opened tank body, wherein the top-opened tank body comprises a front side provided with an ice-water tank, and a rear side provided with a cooling tank;
a clapboard provided between the ice-water tank and the cooling tank;
a water passing port formed in an upper portion of the clapboard;
a grid plate inserted at the water passing port;
ice cubes added to an upper portion of the ice-water tank;
a plasma-activated water (PAW) generator connected to one side of a lower portion of the ice-water tank;
a valve provided at a water outlet of the PAW generator; and
a fixed fence frame and a movable fence frame, wherein the fixed fence frame and the movable fence frame are provided in the cooling tank;
wherein fruits to be treated are placed in the movable fence frame; both the fixed fence frame and the movable fence frame are a grid frame; a grid bar at a bottom of the fixed fence frame and a grid bar at a bottom of the movable fence frame are provided alternately in a staggered manner; the bottom of the fixed fence frame and the bottom of the movable fence frame are wave-shaped; a peak at the bottom of the fixed fence frame and a valley at the bottom of the movable fence frame are aligned up and down; and a valley at the bottom of the fixed fence frame and a peak at the bottom of the movable fence frame are aligned up and down;
wherein the movable fence frame is provided with lifting handles higher than the top-opened tank body; a rear side of the cooling tank is provided with an overflow port; and a rear side of the overflow port is provided with an overflow tank.