Abstract: A cooling device for cooling a rack-type server of which a housing includes a plurality of electronic devices includes an interior cooling unit and an exterior cooling unit. The interior cooling unit includes a heat-receiving unit, a heat dissipation unit, an outward path pipe, and a return path pipe. The interior cooling unit allows working fluid to be circulated through the heat-receiving unit, the outward path pipe, the heat dissipation unit, the return path pipe, and the heat-receiving unit to thereby move the heat from the heat-receiving unit to the heat dissipation unit. The exterior cooling unit has a heat exchange unit abutted on the heat dissipation unit and allows, by a circulated cooling medium, the heat of the working fluid discharged from the heat dissipation unit to be dissipated to external air.

Abstract: The present invention provides a cooling device for rack-type electronic equipment. The rack-type electronic equipment is provided with electronic circuit devices having different heating quantities inside an enclosure, and the cooling device has multiple heat pipes for cooling the rack-type electronic equipment. A condenser unit is provided on the upper surface of the enclosure, an evaporator is provided on the back surface of the enclosure, and each electronic circuit device having a different heating quantity is cooled by means of the heat pipes.

Abstract: A cooling device for cooling a rack-type server of which a housing includes a plurality of electronic devices includes an interior cooling unit and an exterior cooling unit. The interior cooling unit includes a heat-receiving unit, a heat dissipation unit, an outward path pipe, and a return path pipe. The interior cooling unit allows working fluid to be circulated through the heat-receiving unit, the outward path pipe, the heat dissipation unit, the return path pipe, and the heat-receiving unit to thereby move the heat from the heat-receiving unit to the heat dissipation unit. The exterior cooling unit has a heat exchange unit abutted on the heat dissipation unit and allows, by a circulated cooling medium, the heat of the working fluid discharged from the heat dissipation unit to be dissipated to external air.

Abstract: A main body case containing therein an air blower for circulating ambient air and a heat exchanger for exchanging heat between the ambient air circulated by the air blower and inside air, flange provided in main body case and having wall surface joining surface joined to wall surface where main body case is arranged, and cover attached to flange, having a louver in a side of the inside air, and a plurality of opening holes in a side of the ambient air and covering the ambient air side of main body case, thereby making an attachment and a detachment of cover easy, and achieving a reduction of a maintenance work.

Abstract: A heat exchanger of a heat exchange device includes stacked plate members, each including rectification walls that partition the surface into a lane shape. The rectification walls can include straight-line portions extending along a long side from a first end towards a second end and curved portions. The curve portions include arc-like portions bended from the straight-line portions toward the first long side, and first extending portions extending from the first arc-like portions to the first long side. A curved face being curved towards the first long side can be provided on the curved portions.

Abstract: A heat generating body box housing refrigeration device includes a first refrigerant cycle in which a first condenser and a first evaporator are connected by a first refrigerant liquid pipe and a first refrigerant steam pipe and a second refrigerant cycle in which a second condenser and a second evaporator are connected by a second refrigerant liquid pipe and a second refrigerant steam pipe. The first refrigerant liquid pipe is connected between a first joint and a second joint, the first refrigerant steam pipe is connected between a third joint and a fourth joint, the second refrigerant liquid pipe is connected between a fifth joint and a sixth joint, and the second refrigerant steam pipe is connected between a seventh joint and an eighth joint.

Abstract: The present invention provides a cooling device for rack-type electronic equipment. The rack-type electronic equipment is provided with electronic circuit devices having different heating quantities inside an enclosure, and the cooling device has multiple heat pipes for cooling the rack-type electronic equipment. A condenser unit is provided on the upper surface of the enclosure, an evaporator is provided on the back surface of the enclosure, and each electronic circuit device having a different heating quantity is cooled by means of the heat pipes.

Abstract: A heat generating body box housing refrigeration device includes a first refrigerant cycle in which a first condenser and a first evaporator are connected by a first refrigerant liquid pipe and a first refrigerant steam pipe and a second refrigerant cycle in which a second condenser and a second evaporator are connected by a second refrigerant liquid pipe and a second refrigerant steam pipe. The first refrigerant liquid pipe is connected between a first joint and a second joint, the first refrigerant steam pipe is connected between a third joint and a fourth joint, the second refrigerant liquid pipe is connected between a fifth joint and a sixth joint, and the second refrigerant steam pipe is connected between a seventh joint and an eighth joint.

Abstract: A control device accommodating unit (15) is provided in a section (50) accommodating an indoor air blower (7) adjacently to an indoor air flow-in port (16), and an impeller (7c) of the indoor air blower (7) is sequentially opposite to the indoor air flow-in port (16) and the control device accommodating unit (15) by rotation of the impeller (7c), and a space (51) is formed between the indoor air flow-in port (16) and the control device accommodating unit (15). In this configuration, it is possible to obtain a cooling device decreased in drop of air flow rate and drop of cooling performance due to mounting a control device (14).

Abstract: A heat exchanger device of the invention having a body case provided with a first air intake port and a first discharge port for a first environment in a front surface thereof, and a second air intake port and a second discharge port for a second environment in a back surface thereof, an air-blow fan for the first environment provided in the body case, and a heat exchanger inside the body case for exchanging heat between the air in the first environment and the air in the second environment, and is configured such that opposed two surfaces are provided with an air suction port for a first environment and an air suction port for a second environment, respectively, and the other surface is provided with an air blow-off port for the first environment and an air blow-off port for the second environment, respectively.

Abstract: The invention is provided with main body case (4) containing therein an air blower for circulating ambient air and a heat exchanger for exchanging heat between the ambient air circulated by the air blower and inside air, flange (13) provided in main body case (4) and having wall surface joining surface (13b) joined to wall surface (2a) where main body case (4) is arranged, and cover (12) attached to flange (13), having a louver in a side of the inside air, and a plurality of opening holes in a side of the ambient air and covering the ambient air side of main body case (4), thereby making an attachment and a detachment of cover (12) easy, and achieving a reduction of a maintenance work.

Abstract: A heat-exchanging device employed in a heat generator casing with a small installation area. The heat-exchanging device includes a heat exchanger, a first air blower, and a second air blower in a first case. The first case includes a first inlet, a first outlet, a second inlet, and a second outlet. The first outlet is disposed in a direction different from a direction facing the first inlet. The second outlet is disposed in a direction different from a direction facing the second inlet. A first path where a first fluid flows and a second path where a second fluid flows cross in the heat exchanger. Heat is exchanged between the first fluid and the second fluid. The first air blower establishes a first passage where the first fluid flows from the first inlet to the first outlet via the first path. The second air blower establishes a second passage where the second fluid flows from the second inlet to the second outlet via the second path.

Abstract: In the heat exchanger of a heat exchange device of the present invention, first protrusions (26) are provided on a part of first rectification walls (22) of first plate member (15) so as to protrude into first recessed portions (25) which are formed on second plate member (16) close to first plate member (15) when second rectification walls are formed on second plate member (16). Second protrusions (27) are provided on apart of second rectification walls (23) of second plate member (16) so as to protrude into second recessed portions (25a) which are formed on third plate member (17) close to second plate member (16) when third rectification walls (24) are formed on third plate member (17).

Abstract: A control device accommodating unit (15) is provided in a section (50) accommodating an indoor air blower (7) adjacently to an indoor air flow-in port (16), and an impeller (7c) of the indoor air blower (7) is sequentially opposite to the indoor air flow-in port (16) and the control device accommodating unit (15) by rotation of the impeller (7c), and a space (51) is formed between the indoor air flow-in port (16) and the control device accommodating unit (15). In this configuration, it is possible to obtain a cooling device decreased in drop of air flow rate and drop of cooling performance due to mounting a control device (14).

Abstract: There is provided a cooler for heater-containing box in which an outside air fan for carrying air on an outside air path and an inside air fan for carrying air on an inside air path are arranged such that a rotating shaft of each fan is in parallel with an air intake direction, and a heat exchanger for exchanging sensible heat of outside air and inside air is arranged between the outside air path and the inside air path such that a suction port at a longitudinal air-path side of the heat exchanger is aligned with a blowout port of the fan. The cooler for heater-containing box capable of making the depth thinner can be provided.

Abstract: A heat exchange type cooling device includes an enclosure, an inside-air passage allowing inside air in the inside of the enclosure to flow through the inside-air passage and returning the flowing inside air to the inside, an outside-air passage allowing outside air at the outside of the enclosure to flow through the outside-air passage and returning the flowing outside air to the outside, an inside-air blower sending the inside air to the inside-air passage, an outside-air blower sending the outside air to the outside-air passage, a heat-exchanging element exchanging heat between the outside air flowing through the outside-air passage and the inside air flowing through the inside-air passage, and a heater for heating the inside air. The outside-air passage is independent from the inside-air passage. The heater is provided upstream of the heat-exchanging element in the inside-air passage.

Abstract: A heating-element accommodating-box cooling apparatus includes: an indoor air passage 5 for fetching air in a heating-element accommodating box and returning it to the heating-element accommodating box; an outdoor air passage 9 for fetching outdoor air and exhausting the fetched outdoor air to the outside; a partition plate 10 provided so that both of the air passages become independent of each other; a fan unit 3 for conveying air in the outdoor air passage 9 and the indoor air passage 5; and a heat exchange element 4 disposed at a point of intersection between the two passages to exchange the sensible heat of the outdoor air and the indoor air, wherein the heating-element accommodating-box cooling apparatus is mounted exteriorly on a panel of the heating-element accommodating box. Consequently, it is possible to effect cooling of the heating-element accommodating box with energy saving, and the space for installation of the cooling apparatus in the box is not required.