FIN-TUBE HEAT EXCHANGER

PROBLEM TO BE SOLVED: To provide a fin-tube heat exchanger in which noise due to the air flow passing through the heat exchanger can be reduced by transferring heat uniformly on the air flow-in side and air flow-out side of the heat exchanger. SOLUTION: Pipe holes 30a, 30b are arranged in first row...

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Bibliographische Detailangaben
Hauptverfasser:	TEI KEIKA, BE EIDAUN, TEI SEIKAN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a fin-tube heat exchanger in which noise due to the air flow passing through the heat exchanger can be reduced by transferring heat uniformly on the air flow-in side and air flow-out side of the heat exchanger. SOLUTION: Pipe holes 30a, 30b are arranged in first row 21 on the air flow-in side and in second row 22 on the air flow-out side. Slits 40, 50 project only in one direction on the surface or rear of a fin 20 such that a larger number of slits are formed on the second row 22 side than on the first row 21 side with the width of slit being set wider on the first row 21 side than on the second row 22 side. Since heat is transferred uniformly between the first and second rows 21, 22, pressure loss of the air passing through a heat exchanger is reduced and performance of the heat exchanger is enhanced because the condensate is drained easily from the first row 21.