Sumitomo Precision Products Co., Ltd.

Shota Hanafusa

Keiji Miki

Kenji Ando

A heat exchanger () includes a heat exchanger () including a separate plate () and a first flow path () which is divided by a plurality of fin portions () and through which air flows, a fan (), and a control unit () that performs control for switching between a first mode where heat exchange is performed by forcing air to flow in and a second mode where heat exchange is performed by natural convection, the plurality of fin portions () are disposed in parallel at predetermined intervals (p), and are formed to have an undulating shape from one end () toward the other end () of the first flow path () in a width direction of the first flow path (), and the first flow path () is configured to be used in both the first mode and the second mode.

Heat exchange system, and fin structure of heat exchanger

A heat sink includes a plurality of extrusions each including a base and a fin, the plurality of extrusions being aligned in a width direction orthogonal to an extrusion direction and joined to each other. The plurality of extrusions include a first extrusion including a plurality of fins, the first extrusion including, in the base, a through-hole in which a heat pipe is mountable, the through-hole extending in the extrusion direction.

Heat sink module with through-hole

A boiling cooler includes a boiling part, a condensing part arranged in a substantially horizontal direction with respect to the boiling part, and a connecting pipe that connects the boiling part to the condensing part. The condensing part includes a plurality of stages of refrigerant passages, a first external passage provided between the refrigerant passages, and a second external passage provided on an outer surface of at least one of an uppermost refrigerant passage and a lowermost refrigerant passage.

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Amagasaki, Japan

Shota Hanafusa