Hitachi, Ltd.

Hitachi, Ltd. for the Benefit of Hitachi Air Conditioning Systems Co. Ltd.

Mitsugu Aoyama

Hitoshi Matsushima

Akira Mishima

Mari Uchida

Masanori Agekura

Kenji Takagi

Ken Kaneko

A laminated heat exchanger includes a plurality of laminated plates, in which a plurality of heat transfer tubes bent into a zigzag form are arranged in contact with each surface of each of the plates, and the plates are laminated so that the heat transfer tubes on one of adjacent plates intersect with the heat transfer tubes on the other of the adjacent plates.

Laminated heat exchanger and refrigeration cycle

A heat source apparatus of the ice storage type for performing a cold storage operation and an air-conditioning operation utilizing the stored cold, includes a heat source unit, a cold storage tank connected to the heat source unit, a water level sensor for measuring the stored cold amount by detecting the water level in the cold storage tank, and an operation panel having a menu screen for setting the starting and ending time of the cold storage operation and the air-conditioning operation, wherein the setting of the starting and ending time of the air-conditioning operation can be canceled and a predetermined stored cold amount can be set on the operation panel.

Heat source apparatus of ice storage type

Growing community of inventors

Shimizu, Japan

Mitsugu Aoyama