Abstract: According to one embodiment, a portable electronic apparatus includes a casing provided with an exhaust hole part, a printed circuit board contained in the casing, an exothermic body mounted on the printed circuit board, a first cooling fan and a second cooling fan which are contained in the casing. The casing contains an upper space extending above the printed circuit board and a lower space extending below the printed circuit board. The first cooling fan is arranged in the upper space, and is provided with an inlet port opened in the upper space, and an exhaust port directed to the exhaust hole part. The second cooling fan is arranged in the lower space, and is provided with an inlet port opened in the lower space, and an exhaust port directed to the exhaust hole part.

Abstract: According to one embodiment, a cooling device includes: a heat transfer unit thermally connected to a mounted first heating element and a mounted second heating element whose mounted height is higher than that of the first heating element, the heat transfer unit including a passage through which a coolant circulates, a heat-receiving section having a first portion thermally connected to the first heating element and a second portion thermally connected to the second heating element, a heat-sinking section that dissipates heat received by the heat-receiving section, a first plate member in which is formed a first groove corresponding to the passage, and a second plate member that covers the first groove. The heat-receiving section is formed at least one of the first and second plate members.

Abstract: According to one embodiment, a cooling device includes: a heat transfer unit including a passage, through which a coolant circulates; a heat-receiving section thermally connected to a heating element; and a heat-sinking section for dissipating heat received by the heat-receiving section. The heat transfer unit includes: a first plate member, in which a groove corresponding to the passage is formed; and a second plate member, which covers the groove. The heat-receiving section is formed on one of the first and second plate members.

Abstract: A fluid pump includes a case including a pump chamber, a reserve tank for storing spare liquid and located in the case but outside the pump chamber and formed so that a space independent of the pump chamber is defined by the reserve tank, a fluid path forming member arranged inside the reserve tank and including a discharge path communicating between a discharge port and the pump chamber, and a communication hole which is formed in a side of the fluid path forming member so as to assume such a position that the communication hole faces an inside of the reserve tank so that the hole communicates between the discharge path and the inside of the reserve tank, the communication hole being sized so that air in the pump chamber is allowed to flow through the hole into the reserve tank.

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: According to one embodiment, a cooling device includes: a heat transfer unit thermally connected to a mounted first heating element and a mounted second heating element whose mounted height is higher than that of the first heating element, the heat transfer unit including a passage through which a coolant circulates, a heat-receiving section having a first portion thermally connected to the first heating element and a second portion thermally connected to the second heating element, a heat-sinking section that dissipates heat received by the heat-receiving section, a first plate member in which is formed a first groove corresponding to the passage, and a second plate member that covers the first groove. The heat-receiving section is formed at least one of the first and second plate members.

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: A cooling device comprises a circulation passage through which a liquid coolant flows, and a pump provided in the circulation passage configured to circulate the liquid coolant along the circulation passage. The pump includes, (1) a pump casing including a pump chamber into which the liquid coolant flows, (2) an impeller mounted in the pump chamber to push out the liquid coolant from the pump chamber to the circulation passage, and (3) an injection portion provided in the pump casing configured to inject the liquid coolant to the pump chamber.

Abstract: According to one embodiment, a housing of an electronic apparatus includes a first sidewall portion provided with an air vent, a ceiling wall portion extending from an upper end of the first sidewall portion toward the outside of the housing, and a pair of second sidewall portions which extend from respective side end portions of the first sidewall portion toward the outside of the housing and are opposed to each other.

Abstract: A heat-receiving plate of a pump has a heat-receiving surface and a guide. The heat-receiving surface is thermally connected to a heat-generating body. The guide is provided on the heat-receiving surface. The guide is opposed to the heat-generating body.

Abstract: In one embodiment of the invention, a pump includes a pump housing, an impeller, and a motor. The pump housing has a pump chamber and a heat receiving plate to couple to a heat generating unit, such as a CPU. The impeller is provided in the pump chamber. The motor couples to the impeller to rotate it. A region of the heat receiving plate projects further outward than other regions to couple the heat receiving plate to the IC chip.

Abstract: An electronic apparatus includes a main unit, display unit and support unit. The main unit has a heat-receiving portion thermally connected to a heat-generating component. The display unit is separated from the main unit. The support unit is coupled to the main unit and display unit. The support unit includes a heat-radiating portion to cool a liquid coolant, and a reserve tank to temporarily store the liquid coolant. The liquid coolant absorbs heat produced by the heat-generating component and transferred by the heat-receiving portion. The liquid coolant is circulated between the heat-receiving portion and the heat-radiating portion.

Abstract: An electronic apparatus includes a main unit, support unit and display unit. The main unit has a heat-receiving portion thermally connected to a heat-generating component. The support unit has first and second edges. The first edge is coupled to the main unit. The second edge is located opposite to the first edge. The display unit is coupled to the second edge of the support unit. The support unit contains a heat-radiating portion. The heat-radiating portion includes a tube to convey the medium heated at the heat-receiving portion, a plurality of heat-radiating fins coupled to the tube, and a fan to supply cooling air to the fins.

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 device is provided with an enclosure having a side wall in which vent holes are formed, a heat generator stored in the enclosure, a radiator disposed adjacent to the vent holes, a heat receiver thermally connected to the heat generator, a heat transmission member having one end thermally connected to the heat receiver and the other end thermally connected to the radiator, a fan disposed adjacent to the radiator to generate cooling air toward the radiator, and a seal member that seals a gap formed between the radiator and the side wall having the vent holes formed therein.

Abstract: The present invention provides a cooling pump, an electronic apparatus, and a cooling system in which positioning between a heat generating unit and a cooling pump can be achieved easily.

Abstract: According to one embodiment, an electronic apparatus comprising a housing including a suction port and an exhaust port, a heat generating element accommodated in the housing, a heat receiving portion accommodated in the housing, and thermally connected to the heat generating element, a fan disposed in the vicinity of the suction port within the housing, and which sucks a cooling air through the suction port, and a heat radiating portion accommodated in the housing, and configured to radiate heat of the heat generating element, wherein the heat radiating portion is disposed between the suction port and the fan, and the heat receiving portion is arranged in a discharge region of the cooling air extending from the fan to the exhaust port.

Abstract: According to one embodiment, a cooling device includes: a first heat receiving portion that is configured to be thermally connected to a first heating element; a second heat receiving portion that is configured to be thermally connected to a second heating element having a greater heating value than the first heating element, the second heat receiving portion having a pump that pressurizes and feeds a liquid refrigerant; a heat radiation portion that radiates the heat received by the first and second heating elements; and a circulation passage that circulates a liquid refrigerant around the first heat receiving portion, the second heat receiving portion, and the heat radiation portion, wherein the second heat receiving portion is located at a position upstream with respect to the first heat receiving portion in a flow direction of the liquid refrigerant and downstream with respect to the heat radiation portion in the flow direction.

Abstract: According to one embodiment, a cooling device includes: a heat transfer unit including a passage, through which a coolant circulates, a heat-receiving section, which is thermally connected to a heating element, and a heat-sinking section for dissipating heat received by the heat-receiving section; a heat dissipation member thermally connected to the heat-sinking section; and a fan that blows air to the heat dissipation member. The heat transfer unit includes: a first plate member, in which a groove corresponding to the passage is formed; and a second plate member, which covers the groove. The heat-receiving section and the heat-sinking section are provided on one of the first and second plate members. The fan is provided on one side of the first or second plate member that is provided with the heat-receiving section and the heat-sinking section.

Abstract: According to one embodiment, a cooling device includes: a heat transfer unit including a passage, through which a coolant circulates; a heat-receiving section thermally connected to a heating element; and a heat-sinking section for dissipating heat received by the heat-receiving section. The heat transfer unit includes: a first plate member, in which a groove corresponding to the passage is formed; and a second plate member, which covers the groove. The heat-receiving section is formed on one of the first and second plate members.