FR2946614B1 - DEVICE FOR REDUCING FRICTION FORCES BETWEEN AN IMMERSE SURFACE OF A BOAT AND WATER. - Google Patents

DEVICE FOR REDUCING FRICTION FORCES BETWEEN AN IMMERSE SURFACE OF A BOAT AND WATER.

Info

Publication number
FR2946614B1
FR2946614B1 FR0902798A FR0902798A FR2946614B1 FR 2946614 B1 FR2946614 B1 FR 2946614B1 FR 0902798 A FR0902798 A FR 0902798A FR 0902798 A FR0902798 A FR 0902798A FR 2946614 B1 FR2946614 B1 FR 2946614B1
Authority
FR
France
Prior art keywords
boat
water
friction forces
reducing friction
immerse
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 - Fee Related
Application number
FR0902798A
Other languages
French (fr)
Other versions
FR2946614A1 (en
Inventor
Olivier Colas
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
Priority to FR0902798A priority Critical patent/FR2946614B1/en
Publication of FR2946614A1 publication Critical patent/FR2946614A1/en
Application granted granted Critical
Publication of FR2946614B1 publication Critical patent/FR2946614B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
FR0902798A 2009-06-10 2009-06-10 DEVICE FOR REDUCING FRICTION FORCES BETWEEN AN IMMERSE SURFACE OF A BOAT AND WATER. Expired - Fee Related FR2946614B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0902798A FR2946614B1 (en) 2009-06-10 2009-06-10 DEVICE FOR REDUCING FRICTION FORCES BETWEEN AN IMMERSE SURFACE OF A BOAT AND WATER.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0902798A FR2946614B1 (en) 2009-06-10 2009-06-10 DEVICE FOR REDUCING FRICTION FORCES BETWEEN AN IMMERSE SURFACE OF A BOAT AND WATER.

Publications (2)

Publication Number Publication Date
FR2946614A1 FR2946614A1 (en) 2010-12-17
FR2946614B1 true FR2946614B1 (en) 2015-06-05

Family

ID=42027724

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0902798A Expired - Fee Related FR2946614B1 (en) 2009-06-10 2009-06-10 DEVICE FOR REDUCING FRICTION FORCES BETWEEN AN IMMERSE SURFACE OF A BOAT AND WATER.

Country Status (1)

Country Link
FR (1) FR2946614B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2651753B1 (en) * 2010-12-14 2019-01-23 Olivier Colas Device for reducing the friction forces between a submerged surface of a craft and the water
NL2011841C2 (en) * 2013-11-26 2015-05-27 Univ Delft Tech A flat-bottomed vessel and a method for controlling the length of at least one air cavity.

Family Cites Families (6)

* 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
US3316874A (en) * 1964-10-09 1967-05-02 Canazzi Henry Donald Boat hulls
FR2033569A5 (en) * 1969-02-27 1970-12-04 Barritault Georges
US3650235A (en) * 1969-07-31 1972-03-21 Veritas International Hull construction
US5025745A (en) * 1989-07-10 1991-06-25 Wine David E Boat hull
US6938569B2 (en) * 2002-10-21 2005-09-06 Donald E. Burg Surface effect ship advancements

Also Published As

Publication number Publication date
FR2946614A1 (en) 2010-12-17

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