IT8447686A0 - Metodo per ridurre l'attrito superficiale fra un liquido ed un corpo che si muove in esso, in particolare un siluro - Google Patents

Metodo per ridurre l'attrito superficiale fra un liquido ed un corpo che si muove in esso, in particolare un siluro

Info

Publication number
IT8447686A0
IT8447686A0 IT8447686A IT4768684A IT8447686A0 IT 8447686 A0 IT8447686 A0 IT 8447686A0 IT 8447686 A IT8447686 A IT 8447686A IT 4768684 A IT4768684 A IT 4768684A IT 8447686 A0 IT8447686 A0 IT 8447686A0
Authority
IT
Italy
Prior art keywords
torpedo
liquid
surface friction
body moving
reducing surface
Prior art date
Application number
IT8447686A
Other languages
English (en)
Other versions
IT1186525B (it
Inventor
Edward L Thelmann
Original Assignee
Gould Inc
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 Gould Inc filed Critical Gould Inc
Publication of IT8447686A0 publication Critical patent/IT8447686A0/it
Application granted granted Critical
Publication of IT1186525B publication Critical patent/IT1186525B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
    • B63B1/34—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction
    • B63B1/38—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers gas filled volumes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B19/00—Marine torpedoes, e.g. launched by surface vessels or submarines; Sea mines having self-propulsion means
    • F42B19/12—Propulsion specially adapted for torpedoes
    • F42B19/125—Torpedoes provided with drag-reducing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
    • B63B1/34—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction
    • B63B1/38—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers gas filled volumes
    • B63B2001/387—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using air bubbles or air layers gas filled volumes using means for producing a film of air or air bubbles over at least a significant portion of the hull surface
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/10—Measures concerning design or construction of watercraft hulls

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Braking Arrangements (AREA)
  • Gas Separation By Absorption (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Chemical Treatment Of Metals (AREA)
IT47686/84A 1983-02-28 1984-02-14 Metodo per ridurre l'attrito superficiale fra un liquido ed un corpo che si muove in esso,in particolare un siluro IT1186525B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47016183A 1983-02-28 1983-02-28

Publications (2)

Publication Number Publication Date
IT8447686A0 true IT8447686A0 (it) 1984-02-14
IT1186525B IT1186525B (it) 1987-11-26

Family

ID=23866522

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47686/84A IT1186525B (it) 1983-02-28 1984-02-14 Metodo per ridurre l'attrito superficiale fra un liquido ed un corpo che si muove in esso,in particolare un siluro

Country Status (8)

Country Link
EP (1) EP0137034B1 (it)
JP (1) JPS60500613A (it)
AU (1) AU559564B2 (it)
DE (1) DE3374540D1 (it)
ES (1) ES529085A0 (it)
IT (1) IT1186525B (it)
NO (1) NO844233L (it)
WO (1) WO1984003265A1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3634054A1 (de) * 1986-10-07 2013-12-05 Diehl Stiftung & Co.Kg Verfahren zum Verringern des Strömungswiderstandes von Unterwasser-Laufkörpern und Laufkörper mit verringertem Strömungswiderstand
WO2010025475A1 (en) * 2008-08-26 2010-03-04 Hitoshi Sugawara A generator of hydrogen-abundant water in the shape of a torpedo
WO2010128362A1 (en) * 2009-05-07 2010-11-11 Hitoshi Sugawara A torpedo-shaped container and wing attachment for hydrogen-generating mineral sticks
KR102646928B1 (ko) * 2016-10-26 2024-03-11 한화오션 주식회사 수중 어뢰

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075489A (en) * 1960-10-28 1963-01-29 Thompson Ramo Wooldridge Inc Method and apparatus for reducing drag on submerged vehicles
US3205846A (en) * 1964-01-07 1965-09-14 Thomas G Lang Torpedo body form and gas layer control
FR1453877A (fr) * 1965-05-14 1966-07-22 Navire dont la carène présente une surface visqueuse
US3732839A (en) * 1969-06-06 1973-05-15 Licentia Gmbh Friction reducer

Also Published As

Publication number Publication date
EP0137034B1 (en) 1987-11-19
AU559564B2 (en) 1987-03-12
EP0137034A4 (en) 1985-09-02
ES8501499A1 (es) 1984-12-01
JPS60500613A (ja) 1985-05-02
NO844233L (no) 1984-10-24
EP0137034A1 (en) 1985-04-17
WO1984003265A1 (en) 1984-08-30
DE3374540D1 (en) 1987-12-23
ES529085A0 (es) 1984-12-01
IT1186525B (it) 1987-11-26

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