US Patent Issued to Zero Food on March 4 for "Evaporator" (Japanese Inventor)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,682, issued on March 4, was assigned to Zero Food Co. Ltd. (Tokyo).

"Evaporator" was invented by Shigeru Miyatani (Ashiya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An evaporator for a constant-temperature high-humidity storage chamber includes a cold-air temperature-humidity change unit having plurality of crushed-ice heat exchangers and a blower device to blow cold air into the cold-air temperature-humidity change unit; the plurality of crushed-ice heat exchangers each has a blade shape the width of which, in direction perpendicular to the airflow direction of the cold air, is large at the head portion and decreases toward the tail port...