Provided is a cooling device which includes a plurality of cooling units and a blocking member and in which at least a portion of the blocking member is disposed between the cooling units.

A heat exchanger includes first and second sets of parallel arranged tubes. The first set of tubes extends along a first arcuate path, the second set of tubes extends along a second arcuate path, and each one of the second set of tubes is aligned in a common plane with a corresponding one of the first set of tubes. Corrugated fin segments are arranged in spaces between adjacent tubes, and crests and troughs of the corrugated fin segments are joined to broad and flat faces of the tubes. In making the heat exchanger, the material of the corrugated fin segment is intermittently slit to define breaking points prior to arranging the corrugated fin segment between the tubes.

A heat exchange unit includes a first heat exchanger and a second heat exchanger, the first heat exchanger and the second heat exchanger being disposed inside a casing so that an inclined installation thereof is possible in both the first attitude and the second attitude. The first heat exchanger has a plurality of first flattened tubes and a plurality of first fins. First fin communicating parts of the plurality of first fins are formed on both sides in a cross-sectional longitudinal direction of the first flattened tubes. The second heat exchanger has a plurality of second flattened tubes and a plurality of second fins. Second fin communicating parts of the plurality of second fins are formed on both sides in a cross-sectional longitudinal direction of the second flattened tubes.

The present embodiment comprises: a case having a suction body having an air intake opening formed therein and a discharge body having an air discharge opening formed therein; an evaporator which is arranged inside the case, and which has an evaporating fin coupled to an evaporating tube; a condenser arranged inside the case and spaced from the evaporator; a fan configured such that air is made to flow to the evaporator and then to the condenser; at least one heat pipe comprising heat pipe assemblies positioned in front of and behind the evaporator in the air flow direction, respectively, each heat pipe assembly comprising a heat-absorbing pipe portion preceding the evaporator in the air flow direction, a heat-radiating pipe portion positioned between the evaporator and the condenser in the air flow direction, and a connecting pipe portion that connects the heat-absorbing pipe portion and the heat-radiating pipe portion; and at least one heat-conducting fin having a heat pipe coupling hole formed therein to be coupled to at least one selected from the heat-absorbing pipe portion and the heat-radiating pipe portion. The present embodiment has the following advantageous effects: the heat-conducting fin improves the heat transfer capability of the heat pipe such that the decrease in the amount of power consumed by the heat pipe can be increased; and the shared use of the evaporator having an evaporating fin coupled to an evaporating tube can minimize the costs for the entire facility for manufacturing each of a dehumidifier model having a heat pipe assembly and an evaporator installed together and a dehumidifier model having no heat pipe assembly.

A heat transfer device includes a heat pipe in which working fluid is enclosed, a heat receiving plate provided on one end side of the heat pipe and a heat radiating fin provided on the other end side of the heat pipe, a first wick and a second wick that transfer working fluid provided on an inner wall surface of the heat pipe, a bent section bent between the one end side and the other end side, and a boundary section between the first wick and the second wick disposed in a lower part in the gravity direction of the bent section of the heat pipe or the heat transfer device. The heat transfer device can improve heat transfer characteristics with a simple configuration.

A heat dissipation device includes a storage structure, plural pipes, plural heat sink fin groups and a vaporization-enhancing structure. The heat sink fin groups are disposed on outer surfaces of the pipes. The storage structure includes a chamber. The storage structure is in thermal contact with a heat source. Each pipe has a channel. A first end of the channel is in fluid communication with the chamber. A working medium is filled in the chamber and the channels of the pipes. The vaporization-enhancing structure is disposed within the chamber and in thermal contact with at least a portion of the working medium. After the vaporization-enhancing structure receives heat energy from the heat source, the heat energy is transferred to the working medium. The vaporization-enhancing structure facilitates liquid-gas transformation of the working medium. Consequently, the working medium moves toward a second end of the first channel.

A heat exchanger may include a plurality of tubes and a plurality of corrugated fins arranged between the plurality of tubes. The plurality of corrugated fins may have straight flanks and may define a plurality of corrugation troughs and a plurality of corrugation peaks each having a curve. According to one example, the curve of a corrugation peak may have a curved first segment and a linear second segment. According to another example, the curve of a corrugation peak may have a curved first segment and a curved second segment that is curved in the same direction as the curved first segment. A laminated adhesive layer may be disposed on an outer side of the plurality of tubes.

A heat sink including a first face in contact with electronic components generating heat to be removed and a second face in contact with the medium into which to dissipate the heat generated by the electronic components, including: at least one device for enhancing the thermal conductivity including a dome-shaped surface, a pin and a lateral section of revolution about the pin, the dome-shaped surface being connected to one end of a pin and to the lateral section of revolution, the dome-shaped surface being arranged on the second-face side, the free end of the pin being arranged on the first-face side.

Heat exchanger assemblies including turning vanes are taught herein. In preferred embodiments, the heat exchanger assembly comprises: an inlet duct; a heat exchanger coupled to the inlet duct and a plurality of turning vanes coupled to the heat exchanger and protruding into the inlet duct. The intake plane of the heat exchanger is at an angle between 0 degrees and 90 degrees to the primary flow direction of the inlet duct. The plurality of turning vanes comprise: a straight leading edge of length L that is parallel to the primary flow direction of the inlet duct; a convex lower surface that transitions a bottom of the leading edge to an upper wall of a lower channel of the heat exchanger; and a concave upper surface that transitions a distal point of the turning vane to a second channel of the heat exchanger.

A heat sink includes: a container in which a cavity is formed, the container having a first principal surface and a second principal surface; a working fluid encapsulated in the cavity, and a steam flow path defined in the cavity, in which the container has a flat portion and a protruding part projecting from the flat portion, an inner space of the protruding part of the container is in communication with an inner space of the flat portion to form the cavity, the protruding part of the container includes a heat receiver that is to be thermally connected with a heating element that is a cooling target, and the flat portion of the container has an intermediate portion region continuous from the protruding part and a heat radiator region more distant from the protruding part than the intermediate portion region and thermally connected with a heat radiating fin.