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GB569000A - Improvements in tubes for heat exchange apparatus - Google Patents

Improvements in tubes for heat exchange apparatus

Info

Publication number
GB569000A
GB569000A GB1801744A GB1801744A GB569000A GB 569000 A GB569000 A GB 569000A GB 1801744 A GB1801744 A GB 1801744A GB 1801744 A GB1801744 A GB 1801744A GB 569000 A GB569000 A GB 569000A
Authority
GB
United Kingdom
Prior art keywords
tubes
heat exchange
exchange apparatus
heat
section
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.)
Expired
Application number
GB1801744A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB569000A publication Critical patent/GB569000A/en
Expired 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
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
    • F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
    • 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
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • 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
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F28F1/424—Means comprising outside portions integral with inside portions
    • F28F1/426—Means comprising outside portions integral with inside portions the outside portions and the inside portions forming parts of complementary shape, e.g. concave and convex

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

569,000. Tubes for heat-exchangers. SPANNER, E. F. Sept. 21, 1944, No. 18017. [Class 64 (iii)] In a heat-exchanger tube having two or more spiral grooves impressed in its wall for some portion of its length, the cross-section of each grove is made sharper or steeper on one side of a radial line, drawn, as shown, through the lowest point of the section thereof and the centre of the tube, than it is on the other side of said line.
GB1801744A 1946-01-18 1944-09-21 Improvements in tubes for heat exchange apparatus Expired GB569000A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB179846A GB606773A (en) 1946-01-18 1946-01-18 Improvement in air heaters

Publications (1)

Publication Number Publication Date
GB569000A true GB569000A (en) 1945-04-30

Family

ID=9728196

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1801744A Expired GB569000A (en) 1946-01-18 1944-09-21 Improvements in tubes for heat exchange apparatus
GB179846A Expired GB606773A (en) 1946-01-18 1946-01-18 Improvement in air heaters

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB179846A Expired GB606773A (en) 1946-01-18 1946-01-18 Improvement in air heaters

Country Status (1)

Country Link
GB (2) GB569000A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305460A (en) * 1979-02-27 1981-12-15 General Atomic Company Heat transfer tube
DE19918233C1 (en) * 1999-04-22 2001-05-10 Daimler Chrysler Ag Brake line for vehicle; has tubular shape with round cross-section profile that is varied at one or more points to generate direction-dependent or turbulent flow
WO2005028849A1 (en) * 2003-09-19 2005-03-31 Dayco Fuel Management S.P.A. A cooling device for a fuel-recirculation circuit from the injection system to the tank of a motor vehicle
US7220048B2 (en) * 2002-07-24 2007-05-22 Bayer Aktiengesellschaft Mixer/heat exchanger
JP2010169087A (en) * 2008-12-26 2010-08-05 Three N Laboratory Kk Fuel economy improvement device for internal combustion engine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0333739B1 (en) * 1986-11-28 1994-09-28 WARWICK, Dean Mabin Convector heating apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305460A (en) * 1979-02-27 1981-12-15 General Atomic Company Heat transfer tube
DE19918233C1 (en) * 1999-04-22 2001-05-10 Daimler Chrysler Ag Brake line for vehicle; has tubular shape with round cross-section profile that is varied at one or more points to generate direction-dependent or turbulent flow
US7220048B2 (en) * 2002-07-24 2007-05-22 Bayer Aktiengesellschaft Mixer/heat exchanger
WO2005028849A1 (en) * 2003-09-19 2005-03-31 Dayco Fuel Management S.P.A. A cooling device for a fuel-recirculation circuit from the injection system to the tank of a motor vehicle
JP2007506022A (en) * 2003-09-19 2007-03-15 ダイコ フューエル マネージメント ソシエタ ペル アチオニ Cooling system for fuel recirculation circuit from automobile injection system to tank
JP2010169087A (en) * 2008-12-26 2010-08-05 Three N Laboratory Kk Fuel economy improvement device for internal combustion engine

Also Published As

Publication number Publication date
GB606773A (en) 1948-08-19

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