JPS57144893A - Cross-fin coil heat exchanger - Google Patents

Cross-fin coil heat exchanger

Info

Publication number
JPS57144893A
JPS57144893A JP2925881A JP2925881A JPS57144893A JP S57144893 A JPS57144893 A JP S57144893A JP 2925881 A JP2925881 A JP 2925881A JP 2925881 A JP2925881 A JP 2925881A JP S57144893 A JPS57144893 A JP S57144893A
Authority
JP
Japan
Prior art keywords
fin
slit
fins
heat exchanger
cross
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2925881A
Other languages
Japanese (ja)
Other versions
JPS6219680B2 (en
Inventor
Haruo Nakada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Daikin Kogyo Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd, Daikin Kogyo Co Ltd filed Critical Daikin Industries Ltd
Priority to JP2925881A priority Critical patent/JPS57144893A/en
Publication of JPS57144893A publication Critical patent/JPS57144893A/en
Publication of JPS6219680B2 publication Critical patent/JPS6219680B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • F28F1/325—Fins with openings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

PURPOSE:To raise the thermal conductivity of a cross-fin coil heat exchanger due to the frontal end effect of slit fin by using a system in which plural slit fins are provided cntinuously and stepwise to form a slit fin group, and a given angle is formed in the rising direction. CONSTITUTION:With respect to the pitch t between fin bases 3 crossing directly to the passing direction of air, becuase small-diameter heat medium pipe 1 is usualy used for the usual small-size air conditioners, the height of the collar 4 of the fin base 3 for passing the heat medium pipe 1 is set up, and the width l in the passing direction of air between the slit fins 5a and 5b should preferably be set to a range of 1-2mm.. Furthermore, the slit fins 5a and 5b in the slit fin group 5 above the second stage are provided almost uniformly to the adjacent fin base 3 in order to lessen the effect of the temperature field between the slit fins as much as possible.
JP2925881A 1981-02-28 1981-02-28 Cross-fin coil heat exchanger Granted JPS57144893A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2925881A JPS57144893A (en) 1981-02-28 1981-02-28 Cross-fin coil heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2925881A JPS57144893A (en) 1981-02-28 1981-02-28 Cross-fin coil heat exchanger

Publications (2)

Publication Number Publication Date
JPS57144893A true JPS57144893A (en) 1982-09-07
JPS6219680B2 JPS6219680B2 (en) 1987-04-30

Family

ID=12271244

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2925881A Granted JPS57144893A (en) 1981-02-28 1981-02-28 Cross-fin coil heat exchanger

Country Status (1)

Country Link
JP (1) JPS57144893A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5667006A (en) * 1995-01-23 1997-09-16 Lg Electronics, Inc. Fin tube heat exchanger

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51137165A (en) * 1975-05-21 1976-11-26 Hitachi Ltd Heat transmitting fins
JPS553508A (en) * 1978-06-21 1980-01-11 Hitachi Ltd Heat exchanger

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51137165A (en) * 1975-05-21 1976-11-26 Hitachi Ltd Heat transmitting fins
JPS553508A (en) * 1978-06-21 1980-01-11 Hitachi Ltd Heat exchanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5667006A (en) * 1995-01-23 1997-09-16 Lg Electronics, Inc. Fin tube heat exchanger

Also Published As

Publication number Publication date
JPS6219680B2 (en) 1987-04-30

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