Heat exchange – Side-by-side tubular structures or tube sections – With manifold type header or header plate
Patent
1995-11-21
1998-04-28
Leo, Leonard R.
Heat exchange
Side-by-side tubular structures or tube sections
With manifold type header or header plate
165153, 165173, F28F 902
Patent
active
057433291
ABSTRACT:
A heat exchanger is disclosed which has a collecting pipe having formed therein at least one slot whereby the slot lies in a plane roughly perpendicular to the collecting pipe longitudinal axis. A flat pipe, which is capable of accommodating a fluid, a partition, or the like can be inserted into the slot, the narrow sides of the slot being limited by parallel-running slot walls of the collecting pipe which extend roughly along a tangent to a circle around the pipe longitudinal axis. The slot length, determined by the spacing between the slot walls, corresponds at least to the pipe inner diameter. A method of making a slot in a collecting pipe also is disclosed whereby in order to produce the smallest possible pipe diameter and high compressive strength, a stable and seal-tight connection of a laterally issuing structural part is ensured. To prepare such a slot, it is envisaged that the slot walls are formed by deformation of the material of the collecting pipe, which slot walls have a constant wall thickness over their wall length, the outer sides of the slot walls lying for the most part outside the pipe outer casing. A heat exchanger having a slot formed in a, collecting pipe, such as a condenser, a heating element, an oil cooler, a charge cooler or the like is disclosed.
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Patent Abstracts of Japan vol. 16, No. 72, (M-12.13), Feb. 21, 1992, abstract of NIIMURA, "Preparation of Header Pipe For Heat Exchanger", Japanese 3-260594, Nov. 20, 1991.
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Damsohn Herbert
Gerlach Wolfgang
Wolf Walter
Behr GmbH & Co.
Leo Leonard R.
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