Abstract: A heat dissipation device includes a base, a fin array, and an air flow channel. The fin array includes: a plurality of fins protruding in a first direction from the base and arranged side by side in a second direction that intersects with the first direction; and a reinforcing structure coupling two adjacent fins out of the plurality of fins. The air flow channel is surrounded, in the fin array, with the plurality of fins and the reinforcing structure and opens toward an end in the first direction.

Abstract: A thermoelectric power generation device includes a plurality of units that are stacked, each unit including a thermoelectric module containing at least one thermoelectric element, and a first plate and a second plate interposing the thermoelectric module therebetween, wherein a spacer is interposed between a surface of one of the first plates facing away from the corresponding thermoelectric module and a surface of the opposing second plate facing away from the corresponding thermoelectric module, the spacer contacting the first plate and the second plate and defining a fluid passage jointly with the first plate and the second plate, and wherein the fluid passages defined between the adjacent units are configured to receive supply of high temperature fluid and low temperature fluid in an alternating manner in a stacking direction of the units. The plates can be conformed to the thermoelectric module, and the stiffness of the plate can be increased.

Abstract: Thermoelectric device includes thermoelectric converter, first heat conductor, second heat conductor, first gap filler, and first sheet material. Thermoelectric converter has a thermoelectric element built-in. First and second heat conductors and face each other through thermoelectric converter. First gap filler is disposed between thermoelectric converter and first heat conductor. First sheet material is disposed between first heat conductor and first gap filler and/or between thermoelectric converter and first gap filler. First sheet material has flexibility. A surface of first sheet material opposite from first gap filler is anti-adhesive surface having lower adhesiveness than first gap filler.

Abstract: A temperature maintaining case includes a main body having a recessed storage chamber formed by a heat-insulating wall, and a lid body mounted on the main body capable of closing an opening of the storage chamber. Further, the temperature maintaining case includes: a heat storage member exposed to the storage chamber; a thermoelectric device having a first heat transferring surface and a second heat transferring surface opposite to the first heat transferring surface, the first heat transferring surface being connected to the heat storage member; a control device configured to drive and control the thermoelectric device; and a cover member mounted on the main body. The cover member is capable of selecting an exposed state and a shielded state.

Abstract: A temperature maintaining case includes a main body having a recessed storage chamber formed by a heat-insulating wall, and a lid body mounted on the main body capable of closing an opening of the storage chamber. Further, the temperature maintaining case includes: a heat storage member exposed to the storage chamber; a thermoelectric device having a first heat transferring surface and a second heat transferring surface opposite to the first heat transferring surface, the first heat transferring surface being connected to the heat storage member; a control device configured to drive and control the thermoelectric device; and a cover member mounted on the main body. The cover member is capable of selecting an exposed state and a shielded state.

Abstract: A surfing boom comprising a pipe of synthetic resin having a density of 1.4-1.6 g/cm.sup.3. The pipe is reinforced by a plurality of carbon fiber layers. In a first carbon fiber layer, fibers are oriented within an angle of 60.degree.-90.degree. to an axial direction of the boom. In a second carbon fiber layer, fibers are oriented within an angle of 30.degree. to the axial direction of boom.