Sharp Kabushiki Kaisha Corporation

Daiji Sawada

Yuka Utsumi

Takashi Yamashita

Hisanori Bessho

Tetsuya Ide

Tomoko Kase

Tomohisa Miyatani

Masao Urayama

Yuichi Kamimura

Satoru Motonami

Hwisim Hwang

A heat-storage material that provides a sufficiently large amount of thermal energy as a latent-heat storage material including a semiclathrate hydrate and that improves hysteresis between the solidifying temperature and the melting starting temperature and a refrigerator and a cooling container that include the heat-storage material are provided. The heat-storage material that changes phase at a predetermined temperature includes water, a main agent including a quaternary ammonium salt that forms a semiclathrate hydrate, a pH adjuster that maintains alkaline properties, and a nucleating agent that generates a cation that exhibits positive hydration. In such an aqueous solution maintained to be alkaline, the nucleating agent becomes a nucleus in solidification, and thus, the temperature difference between the solidifying temperature and the melting temperature can be decreased.

Heat-storage material and refrigerator and cooling container that include the heat-storage material

An object to be cooled is quickly brought to a suitable temperature. An object to be cooled is quickly brought to a suitable temperature. A thermal energy storage packaccording to the present invention is a thermal energy storage pack that performs temperature management of food and/or beverage, and includes a first deep-drawn container filled with a first thermal energy storage material that exhibits phase change at a predetermined temperature, a second deep-drawn container that is overlaid by the first accommodation portion and that is filled with a second thermal energy storage material that maintains a liquid phase state at the phase change temperature of the first thermal energy storage material, and a cover material that closes off the first deep-drawn container. The second deep-drawn container comes into contact with a wine bottle.

Thermal energy storage pack, thermal exchange unit, and manufacturing method of thermal energy storage pack

It is an object of the present invention to provide a thermal energy storage member having sufficient dissipation capabilities and a storage container using the same, and a refrigerator using the same. A thermal energy storage memberincludes: a thin-plate outer shape having an opposing upper faceand lower face; a thermal energy storage materialfilled in the inside of a package material; and a thermal conduction amount adjusting portionthat, in a case where difference occurs between temperature at the upper faceside and temperature at the lower faceside, reduces difference in thermal conduction amount per unit of time at the upper faceand the lower face

Thermal energy storage member and storage container using the same, and refrigerator using the same

The invention aims to provide a heat-storage material which can prevent supercooling. The heat-storage material according to the invention includes: a heat-storage substance which reversibly changes between an aqueous solution containing tetraalkylammonium salt and a clathrate hydrate containing the tetraalkylammonium salt as a guest molecule; and alum which is added to the aqueous solution containing tetraalkylammonium salt. Tetrabutylammonium bromide is used as the tetraalkylammonium salt. Potassium alum or ammonium alum is used as the alum.

Heat-storage material, and heat-storage member, storage container, transportation/storage container, construction material, and architectural structure using the same

The present invention is intended to provide a storage container that includes a shelf member holding a heat storage material arranged optimally. In a storage container that preserves an object at predetermined temperature, the storage container includes a storage room in which the object is preserved, and a shelf member disposed within the storage room, the shelf member including a flat portion on which the object is placed, and a heat storage material arranged to the flat portion in a way distributed depending on a temperature distribution near the flat portion within the storage room during steady operation. The heat storage material is arranged to be localized to a region of the flat portion at a relatively low-temperature side depending on the temperature distribution within the storage room.

Storage container with heat storage material that provides heat to shelf included in storage container

It is an object of the present invention to provide a heat storage capsule capable of being readily produced and a heat storage member using the same. A heat storage capsuleincludes a heat storage materialreversibly changing into a hydrate of a salt and an aqueous solution of the salt and also includes a capsule coatingencapsulating the heat storage material. The capsule coatingincludes an inner sub-coatingand an outer sub-coating. The inner sub-coatingis a hydrogenated oil layer. The outer sub-coatingis made of a hydrophilic gel. The heat storage capsulehas a W/O/W three-layer structure.

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Osaka, Japan

Daiji Sawada