A heat exchanger (80) includes a plurality of heat exchange layers (95) stacked in a stackwise direction. Each of the layers includes a first plate (110) and a second plate (115), each of the first plate and the second plate includes a portion of a first enclosed header (120), a second enclosed header (125) and at least one flow channel (130) that extends between the first enclosed header and the second enclosed header. The first plate and the second plate are fixedly attached to one another to completely define the first enclosed header, the second enclosed header, and the at least one flow channel. An inlet header (85) is in fluid communication with the first enclosed header of each of the plurality of heat exchange layers (95) to direct a flow of fluid to the heat exchange layers. An outlet header is in fluid communication with the second enclosed header of each of the plurality of heat exchange layers to direct the flow of fluid from the heat exchange layers. The heat exchanger also includes a plurality of fins (100) with each positioned between adjacent heat exchange layers.

Planar element adapted to form, when stacked with a plurality of other such elements, a heat exchanger, comprising an inlet region, a first zone adapted to direct flow from the inlet region towards a second zone, a second zone comprising at least one cutout in the plane of the planar element, adapted to accommodate a cooling core, a third zone, adapted to direct flow from the second zone towards an outlet region and an outlet region, the planar element comprising a first blockage protrusion disposed along a first group of said side edges, the first group comprising at least a side edge adjacent to said outlet region, and a second blockage protrusion disposed along a second group of said side edges, the second group comprising at least a side edge adjacent to said inlet region.

An air-oil heat exchanger used in a compression system that includes a compressor is disclosed. The heat exchanger can be used to cool oil in one embodiment which is used in a compression process. The heat exchanger can be a bar-and-plate type heat exchanger having a number of external fins, internal fins, parting sheets, and header bars. The external fins can include louvers formed therein. An arrangement of multiple unrelated components can be provided that improves pressure loss and reduces weight.

Disclosed is a superposed heat exchanger, including a plurality of fins superposed up. Two opposite side edges of each fin are bent upwards to form a ventilating air path in coordination with an upper fin, and adjacent fins are arranged in a mode of vertical-horizontal alternating so as to form horizontal air paths and vertical air paths independent from each other with up-down intervals.

A method for cool drying gas by guiding gas through the secondary section of a heat exchanger whose primary section forms the evaporator of a closed cooling circuit in which a coolant can circulate by means of a compressor that is followed by a condenser and expansion means through which the coolant can circulate, whereby use is made of an air-cooled condenser with a frequency controlled fan, and the method comprises the step of controlling the speed of the aforementioned fan so that the condenser pressure is kept equal to a target value.

An air condenser and a clothes dryer. The air condenser includes condensing air ducts and a cooling pipeline arranged crosswise. The condensing air ducts include a first group of condensing air ducts and a second group of condensing air ducts, wherein air inlet ducts of the first group of condensing air ducts and air outlet ducts of the second group of condensing air ducts are at least partially arranged in a heat exchangeable manner; and air outlet ducts of the first group of condensing air ducts and air inlet ducts of the second group of condensing air ducts are at least partially arranged in a heat exchangeable manner.

The multiple panel heat exchanger includes two or more heat exchange panels arranged side-by-side series with their major cross-sectional areas normal to airflow across the heat exchanger. The heat exchange panels are fluidically connected in series and with a first heat exchange panel in the series having a heat exchange fluid inlet into the heat exchanger and a last heat exchange panel in the series having a heat exchange fluid outlet from the heat exchanger. An inlet liquid refrigerant injector and vaporizer has a valve that can control the rate of injection and can close completely. The panels are connected by a pipe assembly containing another valve that can also control the rate of gas refrigerant passage and which can also be closed.

A heat exchanger with a housing (3) that contains a set of channels (12); an inlet collector (4) having an inlet collector chamber (9) with an inlet (5), wherein the inlet collector chamber (9) includes first flow distribution means (10) configured to distribute a flow originating from the inlet (5) evenly over the set of channels (12); and an outlet collector (6). The first flow-rate distribution means (10) consist of a single body (15) that comprises two flow-conducting surfaces (16), which are symmetrical with respect to each other according to the first plane of symmetry and the second plane of symmetry, and which two flow-conducting surfaces (16), as seen from the inlet (5), are inclined downward in a first direction perpendicular to the first plane of symmetry and/or in a second direction perpendicular to the second plane of symmetry.

The heat and mass exchange module comprises a plurality of sheets in a spaced-apart arrangement with a plurality of air channels for air flow and a plurality of liquid channels for flow of liquid desiccant material. A liquid channel has a layer of wicking material on a sheet and is arranged adjacent to an air channel with a mutual exchange surface, which liquid channel is provided with an entry and an exit and which air channel is provided with an inlet and an outlet. In the cross-flow module the plurality of air channels extend in a first flow direction from inlet to outlet and the plurality of liquid channels extend in a second flow direction from entry to exit, which second flow direction is different from the first flow direction. The exchange surface is substantially planar along the first flow direction, but is non-planar along the second flow direction.

A heat and mass exchange (HMX) module comprising a plurality of plates in a spaced-apart arrangement and provided with a plurality of air channels for air flow and a plurality of liquid channels for flow of liquid, wherein a liquid channel is present on a surface of a plate and is arranged adjacent to an air channel with a mutual exchange surface, wherein the liquid channel is provided with a width extending substantially perpendicular to a flow direction in the liquid channel, further comprising means for setting a flow profile over the width of the liquid channel.