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US 2021/0080183 A1Published application
Un-finned heat exchanger
AssigneeDanfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd.
InventorsMustafa K. Yanik, Pierre Olivier Pelletier, Jeffrey Lee Tucker
Life of this patent
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Abstract
An un-finned heat exchanger (100). The heat exchanger (100) comprises: a heat exchange tube (1), which comprises a body; a fluid channel (11) formed inside the body; and a collecting tube (2) connected to the heat exchange tube (1). Using the heat exchanger can reduce accumulation of dirt on the heat exchanger.
Claims20
An unfinned heat exchanger, comprising:
- a heat exchange tube which comprises a body, a fluid passage formed in said body;
- and
- a manifold connected to said heat exchange tube.
A manufacturing method of an unfinned heat exchanger, comprising:
- providing a heat exchange tube and a manifold, the manifold having an opening used to insert an end of the heat exchange tube therein;
- inserting the end of the heat exchange tube into the opening in the manifold, bundling the heat exchanger by use of a long and thin strapping piece, with a part of the strapping piece wound on a part of an outer circumference of the manifold;
- and
- braze welding the heat exchanger in a heating furnace.
1 more element
Dependencies are inferred from the claim text.