Abstract: A pump includes a pump housing, a rotary unit, and a motor to rotate the rotary unit. The pump housing has a heat receiving surface thermally coupled to a CPU, a pump chamber, and three mounting portions provided around the pump chamber. The rotary unit is provided in the pump chamber.

Abstract: An electronic apparatus is provided with a housing containing a heat generating component, and a blower unit contained in the housing and used to cool the heat generating component. The blower unit includes an impeller, and a casing containing the impeller. The casing has suction ports, a chamber located around the impeller and a discharge port located at the downstream end of the chamber. The chamber has a depth gradually increased radially away from the impeller.

Abstract: An electronic apparatus includes a housing which accommodates a heat generating component. A heat receiving portion thermally connected to the heat generating component is connected to a heat radiating portion via a circulating path through which a liquid coolant is circulated. The housing accommodates a heat sink which is separate from the heat radiating portion, and a fan. Part of heat from the heat generating component conducted to the heat receiving portion is conducted to the heat sink via a heat transferring member. The fan blows a cooling air against the heat sink.

Abstract: In a housing of a fuel cell are arranged an electromotive unit, a fuel tank, a first piping through which the fuel is circulated between the electromotive unit and the fuel tank, an air supply section which supplies air to the electromotive unit, and a second piping through which products from the electromotive unit are discharged. The first and second pipings are provided with first and second radiator sections, respectively. A cooling fan is located between the first and second radiator sections and circulates air through the radiator sections.

Abstract: In a housing of a fuel cell are arranged an electromotive unit, a fuel tank, an anode passage through which the fuel is circulated between the electromotive unit and the fuel tank, an air supply section which supplies air to the electromotive unit, and a cathode passage through which products from the electromotive unit are discharged. The cathode passage has a first passage extending from the electromotive unit, branch passages which diverge from the first passage, a reservoir portion which communicates with the first passage and lower ends of the branch passages and is stored with water discharged from the first passage and water condensed in the branch passages, and a recovery passage which guides the water stored in the reservoir portion into the fuel tank. A radiator section is provided on the branch passages.

Abstract: A generator section and a control section are arranged in a housing of a fuel cell. The generator section has an electromotive unit which generates power based on a chemical reaction, a fuel tank which contains a fuel, a fuel circulation passage through which the fuel is circulated between the electromotive unit and the fuel tank, and a radiator section which cools the fuel circulation passage. The control section has a heat generating electronic component and controls the operation of the generator section. A part of the fuel circulation passage is connected thermally to the heat generating electronic component.

Abstract: A fuel cell has an electromotive unit which generates power based on a chemical reaction, a fuel tank which contains a fuel and supplies the fuel to the electromotive unit, and an air supply section which supplies air to the electromotive unit. The electromotive unit has cells laminated to one another and each having an anode and a cathode opposed to each other with an electrically conductive membrane therebetween, a pair of end faces situated individually at two opposite ends of the cells in the direction of lamination thereof and extending across the lamination direction, and a plurality of side faces extending in the cell lamination direction. Radiator fins for cooling the electromotive unit are arranged on the side faces not including the end faces.

Abstract: An electronic apparatus includes a housing having a heat generating component, a heat radiating portion which radiates heat generated by the heat generating component, a pump unit having an impeller and a heat receiving portion thermally connected to the heat generating component, wherein the pump unit supplies liquid to the heat radiating portion by rotating the impeller, and a circulation path which circulates the liquid between the heat receiving portion and the heat radiating portion and transfers the heat generated by the heat generating component to the heat radiating portion through the liquid. The pump unit is arranged such that the center of the impeller is deviated from the center of the heat generating component.

Abstract: An electronic apparatus comprises a housing containing a heat-generating component, and a cooling unit. The cooling unit includes a heat sink thermally connected to the heat-generating component, a first air passage for guiding air outside the housing to the heat sink and guiding air heated by heat exchange with the heat sink to the outside of the housing, and a second air passage for guiding air within the housing to the outside of the housing.

Abstract: An electronic apparatus includes a first housing and a second housing. The first housing incorporates a pump. The second housing incorporates a heat-radiating portion. The pump has a heat-receiving portion. A circulation path for circulating liquid coolant connects the pump and the heat-radiating portion. The circulation path has two pipes. The first pipe connects the pump to the coolant inlet port of the heat-radiating portion. The second pipe connects the pump to the coolant outlet port of the heat-radiating portion. The first and second pipes extend from two adjacent points on the pump, toward a midpoint between the coolant inlet port and coolant outlet port.

Abstract: According to one embodiment of the invention, an electronic apparatus comprises a main unit, a display unit and a support unit. The main unit contains a heat-generating component and a heat-receiving portion. The heat-receiving portion is thermally connected to the heat-generating component. The support unit supports the display unit on the main unit and contains a heat-radiating portion that radiates the heat of the heat-generating component. The heat of the heat-generating component is transmitted to a heat-transferring medium and transferred to the heat-radiating portion through the heat-transferring medium.

Abstract: An electronic apparatus is provided with a circulating path used to circulate liquid coolant between a heat-receiving portion thermally connected to a CPU that generates heat and a heat-radiating portion that radiates heat generated in the CPU, so that the heat generated in the CPU is transferred to the heat-radiating portion by the liquid coolant. A reserve-tank is disposed in the circulating path and stores a portion of the liquid coolant for a reserve function. The circulating path includes a first tube to return the liquid coolant to the reserve-tank, and a second tube to lead the liquid coolant out from the reserve-tank. The second tube includes an inflow portion through which the liquid coolant inside the reserve-tank flows in, and the inflow portion is positioned at or near the center inside the reserve-tank.

Abstract: A cooling unit including a fan, a plurality of heat-radiating fins and a tube. Liquid coolant that has absorbed heat from a heat-radiating component is made to circulate in the tube. The fan has an impeller. The draws cooling air at its center part and expels the cooling air at its periphery. The heat-radiating fins oppose the periphery of the impeller. The tube is thermally connected to the heat-radiating fins.

Abstract: An electronic apparatus comprises a heat-generating component, a main unit having a heat-receiving portion thermally connected to the heat-generating component, and a display unit supported by the main unit. The display unit incorporates a heat-radiating portion which radiates the heat of the heat-generating component. A circulating path connects the heat-receiving portion and the heat-radiating portion and circulates liquid coolant. The heat-radiating portion includes a first radiator and a second radiator. The radiators are connected in series in a direction in which the liquid coolant flows. The second radiator is located at the downstream of the liquid coolant, and is exposed outside the display unit.

Abstract: An electronic apparatus comprising a housing, a first heat conductor, a second heat conductor, and a circulation path. The housing contains a first heat-generating component and a second heat-generating component. The first heat conductor and the second heat conductor are provided in the housing. The first heat conductor is interposed between the first heat-generating component and the second heat-generating component and thermally connected to the first and second heat-generating components. The second heat conductor faces the first heat conductor in the housing. The circulation path circulates liquid coolant between the first heat conductor and the second heat conductor.

Abstract: Disclosed herein is an electronic apparatus that comprises a housing, and a circulating path. A heat-generating component is contained in the housing. Liquid coolant for cooling the heat-generating component flows through the circulating path. The circulating path has a first connecting end and a second connecting end connected to the first connecting end. The junction between the first connecting end and the second connecting end is covered with a coolant-absorbent member.

Abstract: An electronic apparatus comprises a heat-generating component, a main unit having a heat-receiving portion thermally connected to the heat-generating component, and a display unit supported by the main unit. The display unit incorporates a heat-radiating portion which radiates the heat of the heat-generating component. A circulating path connects the heat-receiving portion and the heat-radiating portion and circulates liquid coolant. The heat-radiating portion includes a first radiator and a second radiator. The radiators are connected in series in a direction in which the liquid coolant flows. The second radiator is located at the downstream of the liquid coolant, and is exposed outside the display unit.

Abstract: An electronic apparatus comprises a heat-generating component therein, a heat receiving portion thermally connected to the heat-generating component, a heat radiating portion to radiate heat generated by the heat-generating component, and a circulation pipe to circulate a liquid coolant between the heat receiving portion and the heat radiating portion. A part of the circulation pipe has pipes different from the other part in inside diameter.

Abstract: An electronic apparatus comprises a first housing and a second housing. A junction between the first and second housings has three passages that connect an interior of the first housing and an interior of the second housing. A cable in which electric signals flow extends through one of the three passages. Two pipes are provided. The first pipe supplies liquid coolant heated in a heat-receiving portion. The second pipe supplies the liquid coolant cooled in a heat-radiating portion. The first and second pipes extend through the remaining two of the three passages, respectively.

Abstract: An electronic apparatus includes a first housing and a second housing. The first housing incorporates a pump. The second housing incorporates a heat-radiating portion. The pump has a heat-receiving portion. A circulation path for circulating liquid coolant connects the pump and the heat-radiating portion. The circulation path has two pipes. The first pipe connects the pump to the coolant inlet port of the heat-radiating portion. The second pipe connects the pump to the coolant outlet port of the heat-radiating portion. The first and second pipes extend from two adjacent points on the pump, toward a midpoint between the coolant inlet port and coolant outlet port.