Apparatus for transferring heat by means of hollow filaments, and its use in various heating systems

Claim 1

An apparatus for the transfer of heat by means of hollow filaments, characterized in that the hollow filaments extend in the form of a helix and/or a spiral and are provided in more than two layers. .

Claim 2

An apparatus for the transfer of heat by means of hollow filaments, characterized in that the hollow filaments extend in the form of a helix and/or a spiral and are provided in more than two layers. .

Claim 4

An apparatus according to one or more of the preceding claims, characterized in that it is made of a multi-layer winding.

Claim 6

An apparatus according to one or more of the preceding claims, characterized in that the groups of hollow filaments are formed from a woven fabric, a knitted fabric, a web or some other flat filament pattern obtained by a laying process.

Claim 10

An apparatus according to claims 6-8, characterized in that two or more groups of hollow filaments are provided which extend along spirals which are placed about each other.

Claim 11

An apparatus according to one or more of the preceding claims, characterized in that the hollow filaments are formed from one or more of the following substances or mixtures thereof: polyolefins, such as polyethylene, polypropylene and polyisobutylene; polystyrene and copolymers (random, alternating and block) of styrene and butadiene, acrylonitrile and acrylate esters; polyhaloolefins, such as polyvinyl chloride and polytetrafluoroethylene; polyvinyls, such as polyvinyl alcohol and polyvinyl acetate; polyacrylates and polymethacrylates, such as polymethylacrylates and polymethylmethacrylate and other polyacrylates, more particularly polyacrylonitrile; elastomers such as natural rubber, synthetic rubbers, for instance silicone rubbers or polyolefinic rubbers or copolymers of the ethylene-propylene rubber type (E P D M) ; polyoxides, such as polypropylene oxide and poly-2,6-dimethylphenylene oxide; saturated and unsaturated polyesters, such as polyethylene terephthalate; polyamides, such as nylon 6, nylon 66 and aromatic polyamides; polycarbonates; polyimides; polybenzimidazoles; polyurethanes; semi-synthetic polymers, such as regenerated cellulose, more particularly those based on copper acetate. thermohardening resins', such as epoxy resins and aminoplastics; copolymers of two or more of the above-mentioned polymers; polysulphones; inorganic polymers, such as polyphosphazenes.

Claim 12

An apparatus according to one or more of the preceding claims, characterized in that-the hollow filaments are in the form of a bicomponent construction, more particularly of the type with an inner ring of one component and an outer ring of the other component.

Claim 13

An apparatus according to one or more of the preceding claims, characterized in that the walls of the hollow filaments may contain a filler, stabilizers, carbon black, pigments or like additives.

Claim 14

An apparatus according to one or more of the preceding claims, characterized in that the hollow filaments have a substantially circular cross-section.

Claim 15

An apparatus according to one or more of the claims 1-12, characterized in that the hollow filaments have an elliptical, triangular, quadrangular, pentagonal, hexagonal or other polygonal ring-shaped cross-section.

Claim 16

An apparatus according to one or more of the claims 1-9, characterized in that the hollow filaments are of glass.

Claim 17

An apparatus according to one or more of the preceding claims, characterized in that the outer diameter of the hollow filaments is 0,05-5 mm, and preferably 0,05-1 mm.

Claim 19

An apparatus for the exchange of heat according to one or more of the preceding claims, characterized in that it is applied in a thermal power system.

Claim 20

An apparatus for the exchange of heat according to one or more of the claims 1-17, characterized in that it is applied in a motor vehicle, particularly as radiator for cooling the cooling liquid, as recuperator in the exhaust system for recovering energy, or as heating element for the interior.

Claim 21

An apparatus for the exchange of heat according to one or more of the claims 1-17, characterized in that it is applied in a cooling or heat pump system.

Claim 22

An apparatus for the exchange of heat according to one or more of the claims 1-17, characterized in that the apparatus is applied for the exchange of heat between substantially gaseous fluids.

Claim 23

An apparatus for the exchange of heat according to one or more of the claims 1-17, characterized in that it is used in a system for the recovery of heat from ventilation air.

Claim 24

An apparatus according to one or more of the claims 1-17, characterized in that it is used in a cooling tower of the dry type.

Claim 25

An apparatus for the exchange of heat according to one or more of the claims 1-17, characterized in that it is used in a system for the storage of heat.

Claim 26

An apparatus according to one or more of the claims 1-17, characterized in that it is applied in a system for taking in solar energy, more particularly from a solar collector.