GB1473708A - Heat transfer tube having multiple internal ridges - Google Patents
Heat transfer tube having multiple internal ridgesInfo
- Publication number
- GB1473708A GB1473708A GB2960374A GB2960374A GB1473708A GB 1473708 A GB1473708 A GB 1473708A GB 2960374 A GB2960374 A GB 2960374A GB 2960374 A GB2960374 A GB 2960374A GB 1473708 A GB1473708 A GB 1473708A
- Authority
- GB
- United Kingdom
- Prior art keywords
- internal
- ridges
- ridge
- less
- helical
- 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
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
- F28F1/42—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
- F28F1/422—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 with outside means integral with the tubular element and inside means integral with 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S165/00—Heat exchange
- Y10S165/51—Heat exchange having heat exchange surface treatment, adjunct or enhancement
- Y10S165/515—Patterned surface, e.g. knurled, grooved
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49377—Tube with heat transfer means
- Y10T29/49378—Finned tube
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49377—Tube with heat transfer means
- Y10T29/49378—Finned tube
- Y10T29/49382—Helically finned
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49377—Tube with heat transfer means
- Y10T29/49378—Finned tube
- Y10T29/49384—Internally finned
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
1473708 Tubular heat exchange elements UOP Inc 4 July 1974 [5 July 1973] 29603/74 Heading F4S A heat exchange tube 10 is formed with a plurality of integral external fins 12, 14 and a plurality of integral internal multistart helical ridges 16, 18, the internal helical ridges having a lead angle of less than 60 degrees (as measured from a perpendicular to the tube axis) and a cross-sectional profile which includes a pair of side boundaries defined by concave and convex portions 36 and 38 which meet at a point of inflexion 40. As shown the external fins are helical and have a lead angle which is different in magnitude and/or sense from the internal helical ridges and a pitch distance which is less than that of the internal ridges. Alternatively the external fins may be annular or longitudinal. The dimensions of the internal ridges are such that: b/p lies between 0À1 and 0À2 where b = width of a ridge and p its pitch, e/y lies between 1À5 and 5À0 where e=height of the ridge and y = height of ridge from its tip to the point of inflexion, and a parameter # defined by #=e<SP>2</SP>/pdi is less than 0À0025 where di=inside diameter of the tube.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00376507A US3847212A (en) | 1973-07-05 | 1973-07-05 | Heat transfer tube having multiple internal ridges |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1473708A true GB1473708A (en) | 1977-05-18 |
Family
ID=23485292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2960374A Expired GB1473708A (en) | 1973-07-05 | 1974-07-04 | Heat transfer tube having multiple internal ridges |
Country Status (13)
Country | Link |
---|---|
US (1) | US3847212A (en) |
JP (1) | JPS5924311B2 (en) |
BR (1) | BR7405533D0 (en) |
DE (1) | DE2431162C3 (en) |
ES (1) | ES427964A1 (en) |
FR (1) | FR2236157B1 (en) |
GB (1) | GB1473708A (en) |
IL (1) | IL46080A (en) |
IT (1) | IT1016263B (en) |
PH (1) | PH10640A (en) |
SE (1) | SE415060B (en) |
ZA (1) | ZA743899B (en) |
ZM (1) | ZM10274A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2117687A (en) * | 1982-03-11 | 1983-10-19 | British Steel Corp | Improvements in or relating to the cooling of liquid materials |
GB2201504A (en) * | 1986-12-20 | 1988-09-01 | Wieland Werke Ag | Fuel cooler |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4118944A (en) * | 1977-06-29 | 1978-10-10 | Carrier Corporation | High performance heat exchanger |
JPS5611194A (en) * | 1979-07-10 | 1981-02-04 | Kubota Ltd | Production of steel pipe having projection on inside of circumferential surface |
DE2939597A1 (en) * | 1979-09-29 | 1981-04-02 | Ritter Heiztechnik GmbH, 4200 Oberhausen | PLANT FOR HEAT RECOVERY WITH THE USE OF AIR AND SOLAR ENERGY |
DE3036524C2 (en) * | 1979-09-29 | 1985-03-07 | Ritter Heiztechnik GmbH, 4200 Oberhausen | Heat exchanger for heat absorption for a system for heat generation using air and solar energy |
US4330036A (en) * | 1980-08-21 | 1982-05-18 | Kobe Steel, Ltd. | Construction of a heat transfer wall and heat transfer pipe and method of producing heat transfer pipe |
DE3036998A1 (en) * | 1980-10-01 | 1982-06-03 | Johannes Dr. 5043 Burscheid Eibl | Solar heat collector and absorber - comprises heat exchange pipe coil wound into dome with air flowing between turns |
JPS5913805U (en) * | 1982-07-20 | 1984-01-27 | 株式会社東芝 | pulse combustion machine |
EP0114640B1 (en) * | 1983-01-25 | 1988-03-02 | Wickes Products, Inc. | Finned heat exchanger tube having optimized heat transfer characteristics |
JPS60139418A (en) * | 1983-12-28 | 1985-07-24 | Fanuc Ltd | Product ejector for injection molding machine |
DE3414230A1 (en) * | 1984-04-14 | 1985-10-24 | Ernst Behm | Heat exchanger tube |
JPS6110825U (en) * | 1984-06-26 | 1986-01-22 | フアナツク株式会社 | Ejector mechanism in injection molding machine |
JPS6128511U (en) * | 1984-07-25 | 1986-02-20 | フアナツク株式会社 | Ejector device in injection molding machine |
JPH0235470Y2 (en) * | 1984-09-28 | 1990-09-26 | ||
JPS6189497A (en) * | 1984-10-05 | 1986-05-07 | Hitachi Ltd | Heat transfer pipe |
US4660630A (en) * | 1985-06-12 | 1987-04-28 | Wolverine Tube, Inc. | Heat transfer tube having internal ridges, and method of making same |
US4685514A (en) * | 1985-12-23 | 1987-08-11 | Aluminum Company Of America | Planar heat exchange insert and method |
US4702312A (en) * | 1986-06-19 | 1987-10-27 | Aluminum Company Of America | Thin rod packing for heat exchangers |
US4705106A (en) * | 1986-06-27 | 1987-11-10 | Aluminum Company Of America | Wire brush heat exchange insert and method |
US4678548A (en) * | 1986-07-21 | 1987-07-07 | Aluminum Company Of America | Corrosion-resistant support apparatus and method of use for inert electrodes |
SE458717B (en) * | 1986-11-17 | 1989-04-24 | Sandvik Ab | CYLINDER FOR HEAT EXCHANGE |
CA1319164C (en) * | 1986-12-12 | 1993-06-15 | Kevin R. Drumm | Mechanical seal with heat exchanger |
US4921042A (en) * | 1987-10-21 | 1990-05-01 | Carrier Corporation | High performance heat transfer tube and method of making same |
US4866830A (en) * | 1987-10-21 | 1989-09-19 | Carrier Corporation | Method of making a high performance, uniform fin heat transfer tube |
US5275234A (en) * | 1991-05-20 | 1994-01-04 | Heatcraft Inc. | Split resistant tubular heat transfer member |
DE4141240C2 (en) * | 1991-12-14 | 1993-09-30 | Wieland Werke Ag | Metallic heat exchanger tube for cooling viscous media |
DE4229177C1 (en) * | 1992-09-02 | 1994-04-21 | Testoterm Mestechnik Gmbh & Co | Gas cooler, for analytic purposes - has cooling block with drill hole face protected by plastic against aggressive gases, minimising overall dimensions, enhancing efficiency and minimising reference gas losses |
NL9301995A (en) * | 1993-11-18 | 1995-06-16 | Dejatech Bv | Fin tube for a heat exchanger. |
US5690167A (en) * | 1994-12-05 | 1997-11-25 | High Performance Tube, Inc. | Inner ribbed tube of hard metal and method |
US5697430A (en) * | 1995-04-04 | 1997-12-16 | Wolverine Tube, Inc. | Heat transfer tubes and methods of fabrication thereof |
US5996686A (en) * | 1996-04-16 | 1999-12-07 | Wolverine Tube, Inc. | Heat transfer tubes and methods of fabrication thereof |
KR100518695B1 (en) * | 1998-03-31 | 2005-10-05 | 산요덴키가부시키가이샤 | Absorption Type Refrigerator and Heat Transfer Tube Used Therewith |
US6810800B1 (en) * | 1999-10-08 | 2004-11-02 | Koenig & Bauer Aktiengesellschaft | Cylinder for a rotary press |
DE19963353B4 (en) * | 1999-12-28 | 2004-05-27 | Wieland-Werke Ag | Heat exchanger tube structured on both sides and method for its production |
US6760972B2 (en) * | 2000-09-21 | 2004-07-13 | Packless Metal Hose, Inc. | Apparatus and methods for forming internally and externally textured tubing |
US6883597B2 (en) | 2001-04-17 | 2005-04-26 | Wolverine Tube, Inc. | Heat transfer tube with grooved inner surface |
US20040010913A1 (en) * | 2002-04-19 | 2004-01-22 | Petur Thors | Heat transfer tubes, including methods of fabrication and use thereof |
US8573022B2 (en) * | 2002-06-10 | 2013-11-05 | Wieland-Werke Ag | Method for making enhanced heat transfer surfaces |
DE60317506T2 (en) * | 2002-06-10 | 2008-09-18 | Wolverine Tube Inc. | HEAT EXCHANGE TUBE AND METHOD AND TOOL FOR THE PRODUCTION THEREOF |
US7311137B2 (en) * | 2002-06-10 | 2007-12-25 | Wolverine Tube, Inc. | Heat transfer tube including enhanced heat transfer surfaces |
US20060112535A1 (en) * | 2004-05-13 | 2006-06-01 | Petur Thors | Retractable finning tool and method of using |
US7254964B2 (en) * | 2004-10-12 | 2007-08-14 | Wolverine Tube, Inc. | Heat transfer tubes, including methods of fabrication and use thereof |
EP1866119B1 (en) * | 2005-03-25 | 2012-06-27 | Wolverine Tube, Inc. | Tool for making enhanced heat transfer surfaces |
DE102006004704A1 (en) * | 2006-01-31 | 2007-08-09 | BRÜNDERMANN, Georg | Method for optimizing waste heat boilers |
US8162040B2 (en) | 2006-03-10 | 2012-04-24 | Spinworks, LLC | Heat exchanging insert and method for fabricating same |
US20110302928A1 (en) * | 2009-02-27 | 2011-12-15 | Purdue Research Foundation | Liquid-gas heat exchanger |
US20110083619A1 (en) * | 2009-10-08 | 2011-04-14 | Master Bashir I | Dual enhanced tube for vapor generator |
US8613308B2 (en) * | 2010-12-10 | 2013-12-24 | Uop Llc | Process for transferring heat or modifying a tube in a heat exchanger |
KR101601433B1 (en) * | 2014-06-17 | 2016-03-08 | 두산중공업 주식회사 | Transfer pipe for furnace |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2279548A (en) * | 1938-06-11 | 1942-04-14 | Babcock & Wilcox Co | Liquid vaporizing tube |
GB601833A (en) * | 1944-06-19 | 1948-05-13 | Calumet And Hecla Cons Copper | Method of preforming finned tubing and the product thereof |
US3088494A (en) * | 1959-12-28 | 1963-05-07 | Babcock & Wilcox Co | Ribbed vapor generating tubes |
FR1386501A (en) * | 1963-12-13 | 1965-01-22 | Tube for heating and cooling, especially for transformers | |
US3481394A (en) * | 1967-06-26 | 1969-12-02 | Calumet & Hecla Corp | Configuration of heat transfer tubing for vapor condensation on its outer surface |
US3612175A (en) * | 1969-07-01 | 1971-10-12 | Olin Corp | Corrugated metal tubing |
DE2209325C3 (en) * | 1970-05-18 | 1978-08-03 | Noranda Metal Industries Inc., Bellingham, Wash. (V.St.A.) | Heat exchange tube |
-
1973
- 1973-07-05 US US00376507A patent/US3847212A/en not_active Expired - Lifetime
-
1974
- 1974-06-18 ZA ZA00743899A patent/ZA743899B/en unknown
- 1974-06-21 PH PH15963A patent/PH10640A/en unknown
- 1974-06-25 ZM ZM102/74A patent/ZM10274A1/en unknown
- 1974-06-28 DE DE2431162A patent/DE2431162C3/en not_active Expired
- 1974-07-01 IT IT51855/74A patent/IT1016263B/en active
- 1974-07-04 SE SE7408823A patent/SE415060B/en not_active IP Right Cessation
- 1974-07-04 ES ES427964A patent/ES427964A1/en not_active Expired
- 1974-07-04 BR BR5533/74A patent/BR7405533D0/en unknown
- 1974-07-04 GB GB2960374A patent/GB1473708A/en not_active Expired
- 1974-07-05 FR FR7423527A patent/FR2236157B1/fr not_active Expired
- 1974-07-05 JP JP49077236A patent/JPS5924311B2/en not_active Expired
- 1974-11-13 IL IL46080A patent/IL46080A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2117687A (en) * | 1982-03-11 | 1983-10-19 | British Steel Corp | Improvements in or relating to the cooling of liquid materials |
GB2201504A (en) * | 1986-12-20 | 1988-09-01 | Wieland Werke Ag | Fuel cooler |
Also Published As
Publication number | Publication date |
---|---|
ES427964A1 (en) | 1976-12-01 |
ZM10274A1 (en) | 1975-05-21 |
ZA743899B (en) | 1975-06-25 |
US3847212A (en) | 1974-11-12 |
AU7059774A (en) | 1976-01-08 |
DE2431162B2 (en) | 1979-10-04 |
IT1016263B (en) | 1977-05-30 |
IL46080A0 (en) | 1975-04-25 |
JPS5038123A (en) | 1975-04-09 |
DE2431162A1 (en) | 1975-01-30 |
PH10640A (en) | 1977-07-22 |
SE415060B (en) | 1980-09-01 |
FR2236157B1 (en) | 1976-12-24 |
SE7408823L (en) | 1975-01-07 |
JPS5924311B2 (en) | 1984-06-08 |
DE2431162C3 (en) | 1980-06-19 |
IL46080A (en) | 1978-03-10 |
FR2236157A1 (en) | 1975-01-31 |
BR7405533D0 (en) | 1975-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19940703 |