Patent Number: 6,253,567

Title: Ice thermal storage type air conditioner and ice thermal storage tank

Abstract: An ice thermal storage type air conditioner includes an outdoor unit 14 equipped with a compressor 12 and an outdoor heat exchanger 13, an indoor unit 17 equipped with an indoor heat exchanger 16 and an expansion valve 18b, and an ice thermal storage tank 5. The ice thermal storage tank is equipped with a heat exchanger exchanger used as a condenser when the accumulated heat is used. The heat exchanger has a pipe-shaped heat transfer tube 1 and a plate-shaped fin 2 installed to the heat transfer tube. The fin is installed vertically, and a plurality of rows of the heat transfer tubes and the fins are arranged.

Inventors: Imanari; Masao (Ibaraki-ken, JP), Fukushima; Toshihiko (Tsuchiura, JP), Sekiya; Sachio (Ibaraki-ken, JP), Matsubara; Katsumi (Ushiku, JP), Tokusa; Kenji (Shizuoka, JP), Mochizuki; Yoshihiko (Shizuoka, JP)

Assignee: Hitachi, Ltd.

International Classification: F28F 1/22 (20060101); F28F 1/12 (20060101); F24F 5/00 (20060101); F28D 20/02 (20060101); F25D 017/02 (); F25D 001/00 ()

Expiration Date: 07/03/2018