EP0825406A3 - Heat exchangers - Google Patents

Heat exchangers Download PDF

Info

Publication number
EP0825406A3
EP0825406A3 EP97306110A EP97306110A EP0825406A3 EP 0825406 A3 EP0825406 A3 EP 0825406A3 EP 97306110 A EP97306110 A EP 97306110A EP 97306110 A EP97306110 A EP 97306110A EP 0825406 A3 EP0825406 A3 EP 0825406A3
Authority
EP
European Patent Office
Prior art keywords
fins
combustion chamber
migration
heat exchangers
condensate
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.)
Withdrawn
Application number
EP97306110A
Other languages
German (de)
French (fr)
Other versions
EP0825406A2 (en
Inventor
Roy Bratley
Neville Lucas
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.)
Caradon Ideal Ltd
Original Assignee
Caradon Ideal 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 Caradon Ideal Ltd filed Critical Caradon Ideal Ltd
Publication of EP0825406A2 publication Critical patent/EP0825406A2/en
Publication of EP0825406A3 publication Critical patent/EP0825406A3/en
Withdrawn legal-status Critical Current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
    • F28F17/00—Removing ice or water from heat-exchange apparatus
    • F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
    • 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
    • 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
    • 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
    • F28F1/34—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 obliquely

Abstract

To reduce the migration of condensate formed on the fins (18) of a condensing gas boiler, the fins are inclined downwardly in a direction away from the combustion chamber (10) of an angle of between 2° and 20° to the horizontal. An excess inward migration of condensate can lead to a build up of corrosion products on the inner edges (32) of the fins which may fall into the combustion chamber and disrupt the operation of the boiler.
During manufacture, the heat exchange tubes 1 on which the fins are mounted are staggered relative to each other such that the alignment of the tubes inclines the fins at the desired angle.
EP97306110A 1996-08-13 1997-08-12 Heat exchangers Withdrawn EP0825406A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9616956 1996-08-13
GBGB9616956.0A GB9616956D0 (en) 1996-08-13 1996-08-13 Heat exchangers

Publications (2)

Publication Number Publication Date
EP0825406A2 EP0825406A2 (en) 1998-02-25
EP0825406A3 true EP0825406A3 (en) 1999-03-10

Family

ID=10798400

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97306110A Withdrawn EP0825406A3 (en) 1996-08-13 1997-08-12 Heat exchangers

Country Status (2)

Country Link
EP (1) EP0825406A3 (en)
GB (1) GB9616956D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9803871D0 (en) 1998-02-24 1998-04-22 Caradon Ideal Ltd Heat exchanger
JP5900864B2 (en) * 2011-05-04 2016-04-06 アウディ アクチェンゲゼルシャフトＡｕｄｉ Ａｇ Freeze-proof condenser for fuel cells
FR3049048B1 (en) * 2016-03-21 2019-04-19 Valeo Systemes Thermiques HEAT EXCHANGER AND METHOD FOR MANUFACTURING THE SAME
JP6819263B2 (en) * 2016-12-14 2021-01-27 株式会社ノーリツ How to manufacture heat exchangers, water heaters and heat exchangers
CN114459142A (en) * 2020-10-30 2022-05-10 芜湖美的厨卫电器制造有限公司 Combustion heat exchange assembly and gas water heater

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB846710A (en) * 1956-11-13 1960-08-31 Babcock & Wilcox Ltd Improvements in or relating to heat exchangers with transversely finned tubes, to transversely finned heat exchanger tubes and to a method of manufacturing such tubes
FR2545585A1 (en) * 1983-05-05 1984-11-09 Laurent Francois Improvements to gas-operated heat generators which are capable of being connected to a controlled induction
JPS60216189A (en) * 1984-04-11 1985-10-29 Hitachi Ltd Heat exchanger with transverse fin
EP0685698A1 (en) * 1994-06-01 1995-12-06 Caradon Ideal Limited Heat exchangers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB846710A (en) * 1956-11-13 1960-08-31 Babcock & Wilcox Ltd Improvements in or relating to heat exchangers with transversely finned tubes, to transversely finned heat exchanger tubes and to a method of manufacturing such tubes
FR2545585A1 (en) * 1983-05-05 1984-11-09 Laurent Francois Improvements to gas-operated heat generators which are capable of being connected to a controlled induction
JPS60216189A (en) * 1984-04-11 1985-10-29 Hitachi Ltd Heat exchanger with transverse fin
EP0685698A1 (en) * 1994-06-01 1995-12-06 Caradon Ideal Limited Heat exchangers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 010, no. 073 (M - 463) 22 March 1986 (1986-03-22) *

Also Published As

Publication number Publication date
GB9616956D0 (en) 1996-09-25
EP0825406A2 (en) 1998-02-25

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