Abstract: Disclosed herein is a heat exchanger, and more particularly to a heat exchanger having an improved refrigerant flow structure. The heat exchanger includes a plurality of tubes arranged in a first row and a second row, a first header connected to one end of the plurality of the first row tubes and a second header connected to one end of the plurality of the second row tubes, a first baffle dividing an inside of the first header into a first channel and a second channel in a vertical direction and dividing an inside of the second header into a third channel and a fourth channel in a vertical direction, an inlet pipe connected to the second channel to allow the refrigerant to flow therein, and an outlet pipe connected to the third channel to discharge the refrigerant.

Abstract: There is provided a radiator reservoir tank including: a tank body that is connected to a radiator and that includes an inlet section and an accumulation section for cooling water; a first rib that is disposed inside the tank body, and that extends out from a side wall at one side of facing side walls of the tank body toward another side, and that partitions between the inlet section and the accumulation section, and that is provided with a gap to the side wall at the other side; and a second rib that is provided further toward the inlet section side or the accumulation section side than the first rib, that extends out from the side wall at the other side toward the one side, and that is provided with a gap to the side wall at the one side.

Abstract: A vapor chamber water-filling section sealing structure. The vapor chamber water-filling section sealing structure includes a main body and a capillary structure. The main body has a first plate body and a second plate body, which are correspondingly mated with each other to together define an airtight chamber and a water-filling section. A flange is disposed along an outer periphery of the main body. The water-filling section has a water-filling notch and a water-filling passage. Two ends of the water-filling passage are respectively connected with the flange and the water-filling notch to communicate with the airtight chamber. A portion of the water-filling passage that is connected with the flange is pressed to have a height equal to the height of the flange or lower than the height of the flange. The capillary structure is disposed in the airtight chamber of the main body.

Abstract: The present invention provides a heat exchanger, comprising a plurality of first heat exchange plates (1) and second heat exchange plates (2) that are connected sequentially and at an interval; the first heat exchange plates (1) and the second heat exchange plates (2) each comprise a heat exchange sheet (3) and a heat exchange frame (4) disposed on side ends of the heat exchange sheet (3); the side ends of the heat exchange sheet (3) are formed with a snap projection (9) in a direction away from the heat exchange frame (4); the heat exchange frame (4) is formed with a snap groove (10); the first heat exchange plates (1) and the second heat exchange plates (2) are in interference connection through the engagement between the snap projection (9) and the snap groove (10); an air channel (5, 6) is formed between a first heat exchange plate (1) and an adjacent second heat exchange plate (2), the air inlet of the first heat exchange plate (1) and the air inlet of the second heat exchange plate (2) have different di

Abstract: A heat exchanger of an HVAC system including an inlet header, an outlet header, and tubes configured to extend between the inlet header and the outlet header. The system also includes a first interchangeable refrigerant distributor segment of the inlet header, where the first interchangeable refrigerant distributor segment includes first orifices configured to fluidly couple with the tubes to facilitate distribution of refrigerant from the inlet header to the tubes in a first configuration. The system also includes a second interchangeable refrigerant distributor segment of the inlet header, where the second interchangeable refrigerant distributor segment includes second orifices configured to fluidly couple with the tubes to facilitate distribution of refrigerant from the inlet header to the tubes in a second configuration.

Abstract: A heat removal element comprises a deformable frame, having a first coefficient of thermal expansion. The frame includes a set of separate cavities formed in the frame, the set including a first cavity and a second cavity; and on one side of the first cavity, a deformable wall adapted to provide mechanical compliance with a heat source for transferring heat away from the heat source. The second cavity comprises a material that fills, at least partly, the second cavity, this material having a second coefficient of thermal expansion that differs from the first coefficient of thermal expansion.

Abstract: A heat exchange device includes a center manifold disposed between a first and second section, each of the first and second sections including flow passages configured for heat exchange between heat exchange fluid within the flow passages and fluid external of the flow passages. Each of the flow passages have a first end and a second end, and wherein adjacent ends of adjacent flow passages direct fluid flow in the same direction.

Abstract: A heat exchanger core includes a first sheet having a first side and a second side opposite to the first side, a second sheet opposing the first side of the first sheet, and a first fin extending between the first side of the first sheet and the second sheet. The first fin defines first channels that extend in a first direction, the first fin including a first slot that extends at a first angle between thirty degrees and sixty degrees from the first direction and fluidly connects at least two of the first channels together.

Abstract: An apparatus comprising a heat exchanger and one or more induction heating elements is disclosed. The heat exchanger comprises a coolant side conduit and a process side conduit, the process side conduit being susceptible to fouling by at least partial desublimation, condensation, crystallization, deposition, or combinations thereof of a fouling component of a circulating process fluid. An electrically conductive first metal is disposed adjacent to the process side conduit. The one or more induction heating elements are disposed proximate to the heat exchanger. The one or more induction heating elements are connected to a source of electrical current. When the electrical current flows through the induction heating elements, eddy currents are induced in the first metal, heating the first metal such that the fouling component sublimates, melts, absorbs, or a combination thereof into the circulating process fluid.

Abstract: The present invention relates to an outdoor heat exchanger, and more particularly, to an outdoor heat exchanger including a variable baffle whose opening and closing are controlled according to a switching of cooling/heating modes of a vehicle heat pump system to easily change a refrigerant pass and reduce the number of refrigerant passes at the time of heating than at the time of cooling.

Abstract: A diffuser plate for a thermal transfer device can include a body having a number of first apertures and a second aperture that traverse therethrough, where the first apertures are asymmetrically arranged with respect to the second aperture. The first apertures can have a first shape and a first size, and where the first apertures are configured to receive a plurality of tubes. The second aperture has a second size, where the second size is larger than the first size.

Abstract: Embodiments of the disclosure pertain to a monitored heat exchanger system that includes a heat exchanger unit in operable engagement with a heat generating device. The heat exchanger unit has a frame; and at least one cooler coupled with the frame, the at least one cooler having an airflow side and a service fluid side. The system includes a monitoring module coupled to the heat exchanger unit. The monitoring module an at least one sensor coupled with a panel; and at least one controller housing coupled with the panel. A microcontroller is disposed within the controller housing and in operable communication with the at least one sensor. The at least one sensor has a rotating member configured to generate a system signal proportional to an amount of rotation of the rotating member.

Abstract: An air conditioning system includes a compressor to compress refrigerant; a first heat exchanger to condense the compressed refrigerant into a supercooled liquid state; a first decompressor to decompress the condensed refrigerant; a second heat exchanger to cause the decompressed refrigerant to absorb heat; a second decompressor to decompress the heated refrigerant; a third heat exchanger to evaporate the decompressed refrigerant; and a blower fan to take in air from outside a room and blow the air to the first heat exchanger. The second heat exchanger is disposed downstream of the first heat exchanger in a blowing direction of the blower fan. A humidifier is disposed between the first heat exchanger and the second heat exchanger in the blowing direction. The air blown from the blower fan is heated by the first heat exchanger, humidified by the humidifier, cooled by the second heat exchanger, and supplied into the room.

Abstract: Processes and systems applying day cycle temperature changes in conjunction with cool storage are provided. A thermal energy storage material is placed in heat transfer communication with lower temperature nighttime air resulting in a cooled thermal energy storage material. The cooled thermal energy storage material is subsequently utilized to cool an item such as a supply of higher temperature air, such as daytime air, or a cooling medium.

Abstract: It is intended to suppress occurrence of a crack in a fixed portion of a tube with respect to a tank. A plurality of tubes (4A to 4D) are fixed to a sidewall (9) in a state in which they penetrate through the sidewall (9) via respective ones of a plurality of through-holes (9b) formed in the sidewall (9) in such a manner as to be arrayed in a line along a longitudinal direction. A heat exchanger (1) comprises a protective member (5) fixed to the sidewall (9) to protect a nearest tube (4A) nearest to an end wall (10) among the plurality of tubes (4A to 4D), wherein the protective member (5) has a barrier portion (13) interposed between the end wall (10) and an outlet-side end portion (4b) of the nearest tube (4A) disposed inside the sidewall (9).

Abstract: A heat sink assembly for use with at least one heat-emitting component where the heat sink assembly includes a first phase change material conductively coupled to the at least one heat-emitting component and changing phase at a first temperature and a second phase change material conductively coupled to the first phase change material and changing phase at a second temperature, which is greater than the first temperature.

Abstract: A straight-through structure of heat dissipation unit includes a first plate body and a second plate body correspondingly mated with each other to define a closed chamber. A hydrophilic layer is disposed on the surface of the closed chamber and a capillary structure is disposed in the closed chamber. The first plate body is formed with a first recess, a first perforation and a second recess. The first recess is connected with the capillary structure disposed on the third face of the second plate body. One end of the second recess abuts against the capillary structure. The capillary structure layer is not in contact with the first recess. The second plate body has a second perforation in alignment with the first perforation. When it is necessary to perforate the heat dissipation unit, the straight-through structure can keep the closed chamber in the vacuumed and airtight state.

Abstract: A heat exchanger core includes a first standard sheet having a first face and a second face opposite of the first face, a second standard sheet opposing the first face of the first standard sheet, a first fin extending between the first standard sheet and the second standard sheet, the first fin defining multiple channels, and a first partial sheet connected to the first face. The first partial sheet is smaller in width and/or height than the first face of the first standard sheet.

Abstract: This power conversion device for a railway vehicle includes a first radiation fin radiating heat from a semiconductor device and a second radiation fin arranged at a prescribed interval from the first radiation fin in a traveling direction for radiating heat from the semiconductor device. At least either one of the first and second radiation fins includes an air duct formed by partially not providing a plurality of fin portions.

Abstract: The invention relates to a collecting plate (10) having an inner face (12) and an outer face (14) of a heat exchanger, comprising at least three collars (16, 16a) arranged in a row so that each collar receives a tube (18). The two end collars (16a) of the row of collars protrude from the inner face (12) of the collecting plate (10), while at least one of the other collars (16) protrudes from the outer face (14) of the collecting plate (10).