The invention relates to a counter flow enthalpy exchanger (1) having a parallelogram-shaped central part (11), whose ends in the flow direction through the exchanger it is joined by end parts (12, 13), which become narrower in the direction from the central part (11), whereby in order to separate the flow of the heat-transfer medium in the direction from the inner space to the outer space are arranged contour identical and with respect to the flowing medium sealed vapour-permeable lamellae (10) with shaping means for generating turbulent flow, whereby every two adjacent lamellae (10) form one interplate flow channel in the central part (11) one interplate flow channel. The lamella (10) is made as a one-piece self-supporting moulding common to the central part (11) and the end parts (12, 13), whereby it does not have a reinforcing support grid. Two adjacent lamellae (10) form one interplate flow channel in the end part (12, 13), in the walls of which are formed straight protrusions (121, 131) situated in the direction of the heat-transfer medium flow between the central part (11) and corresponding inlet or outlet of this medium.

A heat and moisture exchanger, comprises a rigid monolithic body (101). The rigid monolithic body (101) comprises a circumferential wall (102); and a structure of interconnected elements (106) surrounded by the circumferential wall (102). The structure (106) is open to fluid communication through the structure (106) between a first side (114) of the structure and a second side (115) of the structure (106) opposite the first side (114) of the structure (106). The circumferential wall (102) extends from the first side (114) to the second side (115) of the structure (106). The heat and moisture exchanger (100) is open on both of the first side (114) and the second side (115) of the structure (106), to allow fluid communication between the structure (106) and an exterior of the heat and moisture exchanger (100) on both sides (114, 115).

A partitioning member for a total heat exchange element includes a sheet shaped porous base, a moisture permeable membrane provided on the porous base, and a functional material. The functional material produces at least one of an antifungal effect, an antibacterial effect, and an antiviral effect. The moisture permeable membrane contains the functional material. Alternatively, a partitioning member for a total heat exchange element includes a functional membrane containing a functional material producing at least one of an antifungal effect, an antibacterial effect, and an antiviral effect, with the functional material covering a surface of the porous base or the moisture permeable membrane.

A heat exchanger for heat exchange between at least two fluids includes a plurality of heat exchange elements each having at least one fluid-guiding path for conducting at least one of the fluids through. The heat exchanger has a cylindrical shape or substantially cylindrical shape with a cylinder axis around which the heat exchange elements are adjacently arranged. At lease a region of each of the heat exchange elements forms an outline structure at least substantially like one of a triangular cylinder, a trapezoidal cylinder, a circle-sector cylinder, and an annulus-sector cylinder. As a result of adjacent arrangement of the heat exchange elements, the heat exchanger or at least a region of the heat exchanger has an outline structure at least substantially like one of a polygonal cylinder, a polygonal hollow cylinder, a circular cylinder, and annular cylinder. The cylindrical shape of the heat exchanger may alternatively be a cone frustum. The heat exchanger may be incorporated into an air device.

Disclosed are various turbulent, corrosion-resistant heat exchangers used in desiccant air conditioning systems.

In one aspect, a mass exchanger having an air inlet, air outlet, airflow generator, and a tubular membrane assembly. The tubular membrane assembly includes an inlet header, an outlet header, and a plurality of tubular membranes. The tubular membranes have side walls configured to facilitate mass transfer between air contacting the tubular membranes and working fluid in the tubular membranes. The inlet header includes an inlet header body having inlet header body openings with inlet end portions of the tubular membranes extending in the inlet header body openings and inlet header potting connecting the inlet end portions of the tubular membranes to the header body. The outlet header includes an outlet header body having outlet header body openings with outlet end portions of the tubular membranes extending in the outlet header body openings and outlet header potting connecting the outlet end portions of the tubular membranes to the header body.

The invention relates to an exchanger device comprising a first and a second end piece (1, 2) and an exchanger body (3, 4) arranged in-between. At least one first and one second channel (150, 151) in the exchanger body (3, 4) connect inlets and outlets (10, 11, 20, 21) of the two end pieces (1, 2), wherein the inlets and outlets (10, 11, 20, 21) are arranged in end faces of the end pieces (1, 2), which face away from the exchanger body. The exchanger body forms a multi-helix, in particular a double helix or multiple concentric ring surfaces, wherein the windings of the multi-helix or the concentric ring surfaces form separating walls (3, 4) between the at least one first and the at least one second channel (150, 151). The device according to the invention allows for the formation of exchanger devices with high efficiency yet also with a small outer diameter. The manufacturing process is also simplified.

A total heat exchange element includes a plurality of partition plates arranged at intervals. Each of the partition plates includes a base having a first principal surface and a second principal surface, and a moisture permeable membrane provided on or close to the first principal surface of the base. First flow paths through which air flows and second flow paths through which air having a higher water vapor pressure than the air in the first flow paths flows are alternately arranged with an associated one of the partition plates sandwiched between adjacent ones of the first flow paths and the second flow paths. In each of the plurality of partition plates, the first principal surface of the base faces a corresponding one of the first flow paths, and the second principal surface of the base faces a corresponding one of the second flow paths.

A method uses a sheet shaped member to separate two spaces from each other. The sheet shaped member includes a base having a first principal surface and a second principal surface, and a moisture permeable membrane provided on or close to the first principal surface of the base. The first principal surface of the base is arranged in one of the two spaces having a lower water vapor pressure when the two spaces separated from each other by the sheet-like member have different water vapor pressures.

A plate apparatus suitable for heat and/or material exchange has plates (P.sub.0, P.sub.1, P.sub.2, P.sub.3) contacting each other flush along a peripheral seal (1) while forming respective intermediate spaces (Z.sub.0, Z.sub.1, Z.sub.2, Z.sub.3) and having upper (2, 3) and lower (4, 5) through-flow openings for fluids. A group of these upper and lower through-flow openings (2, 5) is allocated to at least two fluids and is connected by correspondingly placed seals to every second plate intermediate space (Z.sub.1, Z.sub.3) carrying a flow from top to bottom. In flush upper through-flow openings (2) of plates (P.sub.0, P.sub.1, P.sub.2, P.sub.3) a distribution lance (6) runs across these openings and has outlet openings (6a) for at least one of the fluids. It is essential that the outlet openings (6a) are directed into those plate intermediate spaces (Z.sub.0, Z.sub.2) arranged between the second plate intermediate spaces (Z.sub.1, Z.sub.3) for the fluids to be mixed.