A plate heat exchanger, which includes a flexible structure and/or a heating channel between the first support end plate of the plate pack and the first end plate of the outer casing, and/or an inner tube arranged inside the inlet connection tube of the first heat exchange medium for improving plate heat exchanger's ability to withstand thermal stresses caused by temperature differences, e.g. when using in heating of liquefied natural gas.

An air conditioning system includes a first system and a second system. The first system includes a compressor, a first heat exchanger, a second heat exchanger, an electronic control assembly, and a first throttle. The second system includes a first heat exchange assembly and a heat exchange member. The first heat exchange assembly includes a first channel and a second channel isolated from each other. A second communication port of the first channel is in communication with a second opening of the compressor or a second opening of the second heat exchanger. A first communication port of the heat exchange member is in communication with a first communication port of the second channel A second communication port of the heat exchange member is in communication with a second communication port of the second channel. The heat exchange member includes a heat dissipation surface in contact with the electronic control assembly.

A heat exchanger header includes a first inlet, a first passageway that fluidically connects the first inlet to a first outlet, a second inlet, and a second passageway. The second passageway fluidically connects the second inlet to a second outlet. The first inlet, the first passageway, and the first outlet are fluidically isolated from the second inlet, the second passageway, and the second outlet.

A heat sink comprising a heat exchange device having a plurality of heat exchange elements each having a surface boundary with respect to a heat transfer fluid, having a fractal variation therebetween, wherein the heat transfer fluid is induced to flow with respect to the plurality of fractally varying heat exchange elements such that flow-induced vortices are generated at non-corresponding locations of the plurality of fractally varying heat exchange elements, resulting in a reduced resonance as compared to a corresponding heat exchange device having a plurality of heat exchange elements that produce flow-induced vortices at corresponding locations on the plurality of heat exchange elements.

A heat sink comprising a heat exchange device having a plurality of heat exchange elements each having a surface boundary with respect to a heat transfer fluid, having a fractal variation therebetween, wherein the heat transfer fluid is induced to flow with respect to the plurality of fractally varying heat exchange elements such that flow-induced vortices are generated at non-corresponding locations of the plurality of fractally varying heat exchange elements, resulting in a reduced resonance as compared to a corresponding heat exchange device having a plurality of heat exchange elements that produce flow-induced vortices at corresponding locations on the plurality of heat exchange elements.

A heat exchanger includes a first side opposite a second side and a third side opposite a fourth side and a cold layer with an inlet at the first side of the heat exchanger, an outlet at the second side of the heat exchanger, and a cold passage extending from the inlet to the outlet. The heat exchanger also includes a hot layer with an inlet manifold at the third side of the heat exchanger extending between the first side and the second side, an outlet manifold at the fourth side of the heat exchanger opposite the inlet manifold and extending between the first side and the second side, a hot passage extending from the inlet manifold to the outlet manifold, and a tube on the first side of the heat exchanger extending from the third side to the fourth side.

A heat exchanger includes a first side opposite a second side and a third side opposite a fourth side and a cold layer with an inlet at the first side of the heat exchanger, an outlet at the second side of the heat exchanger, and a cold passage extending from the inlet to the outlet. The heat exchanger also includes a hot layer with an inlet manifold at the third side of the heat exchanger extending between the first side and the second side, an outlet manifold at the fourth side of the heat exchanger opposite the inlet manifold and extending between the first side and the second side, a hot passage extending from the inlet manifold to the outlet manifold, and a tube on the first side of the heat exchanger extending from the third side to the fourth side.

An evaporator header can include a header body having one or more walls that define an inner cavity configured to receive a first flow of refrigerant from a plurality of evaporator flow paths. A liquid line portion can extend through the inner cavity, can define a liquid line flow path that is fluidly separated from the inner cavity, and can be configured to receive a second flow of refrigerant. A plurality of apertures can extend through the one or more walls of the header body. The evaporator head can include a plurality of flow path connectors, and each can be configured to facilitate at least some of the first flow of refrigerant from a corresponding evaporator flow path of the plurality of evaporator flow paths, into the inner cavity via a corresponding aperture of the plurality of apertures, and across at least some of the liquid line portion.

A manifold for a heat exchanger includes a manifold body configured to house heat exchanger components including a blower for circulating air and means for performing heat exchange between the air and a heat exchange fluid. The manifold also includes an opening (A) via which air enters the blower, an inlet for receiving air from the heat exchanger and an outlet for outputting air from the manifold. The manifold also includes a flow channel extending between the inlet and the outlet. The channel defines a helical flow path from the inlet to the outlet.

The present invention relates to a heat exchanger arrangement for use with an air conditioning system of the type comprising a condenser, an expansion device, an evaporator and a compressor connected in a refrigeration circuit filled with refrigerant. The heat exchanger arrangement comprises a collector arrangement for collecting condensate fluid that has condensed on the evaporator as condensate fluid. The heat exchanger arrangement also comprises a first heat exchanger configured for facilitating the transfer of heat from an airflow flowing to the condenser, to condensate received from the evaporator.