US20080216729A1 - Hull For Sailing Craft Whereof The Bottom Enables Water Gliding Performances To Be Enhanced - Google Patents

Hull For Sailing Craft Whereof The Bottom Enables Water Gliding Performances To Be Enhanced Download PDF

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Publication number
US20080216729A1
US20080216729A1 US12/091,529 US9152906A US2008216729A1 US 20080216729 A1 US20080216729 A1 US 20080216729A1 US 9152906 A US9152906 A US 9152906A US 2008216729 A1 US2008216729 A1 US 2008216729A1
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United States
Prior art keywords
hull
passageways
sailing craft
shape
width
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.)
Abandoned
Application number
US12/091,529
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English (en)
Inventor
Jean Claude Chauveau
Olivier Petit
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Individual
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Individual
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Assigned to OEINO, LAURENCE, OEINO, ESPEN, CHAUVEAU, JEAN CLAUDE, PETIT, OLIVIER reassignment OEINO, LAURENCE ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHAUVEAU, JEAN CLAUDE, PETIT, OLIVIER
Publication of US20080216729A1 publication Critical patent/US20080216729A1/en
Abandoned legal-status Critical Current

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    • 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
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/18—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type
    • B63B1/20—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface
    • 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
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/18—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type
    • B63B1/20—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface
    • B63B2001/201—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydroplane type having more than one planing surface divided by longitudinal chines
    • 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

Definitions

  • the invention concerns a hull for sailing craft enabling water-gliding performances to be enhanced.
  • the hull according to the invention has a bottom with a particular profile consisting of a rail shaped from the stem to the transom.
  • the bottom can be adapted to incorporate one or more profiled rails.
  • the hull is more especially intended for craft with one or more motors.
  • the hull according to the invention avoids water spraying on the port and starboard sides.
  • the hull recovers this stream of water mixed with air bubbles. This mass is therefore compressible and is a good absorber of impacts on the hulls.
  • This stream which is directed exclusively aft of the transom, ensures fast uplift.
  • the width of the passageways varies according to the weight of the hull and the sailing craft application, depending on whether this is designed primarily for speed or not.
  • the width of the aforesaid passageways is dimensioned to represent 1 ⁇ 3 to 40% the width of the hull.
  • the two V-shaped inclined planes of the passageways are perfectly straight up to the beginning of the arcs of circle which form arches of the passageways.
  • the arches of the passageways form a quarter arc of a circle so that the central water stream and the air bubbles are well contained up to the rear of the hull, thus ensuring better sliding.
  • the two V-shaped inclined planes of the passageways are connected at their base by a flat longitudinal sole whose width accounts for approximately 6 to 10% of the total width of the two passageways.
  • the flat part at the bottom of the V shape of the passageways acting as sole has a width equal 10% of the total width of the two passageways.
  • This sole begins progressively from the stem in order to provide a uniform width of water inlet.
  • the aforementioned sole is the lowest part of the hull profile.
  • the aforementioned sole is reinforced so as to absorb shocks.
  • the two inclined planes forming the central V shape of the passageways have to be inclined to form a central V shape which narrower than the two other inclined planes which form the second V.
  • the angle of the inclined planes forming the V shape of the rail lies between 40° and 60°.
  • the angle of the inclined planes forming the V shape of the hull bottom is between 55° and 75°.
  • the rail passageways are parallel from the stem to the transom of the hull.
  • the rail passageways are the same width from the stem to the transom of the hull.
  • the passageways have the same depth of water inlet zone up to the transom exit.
  • the depth of the arch of the rail passageways is approximately 8 to 14% of the total width of the rail.
  • the depth of the arch of the rail passageways is 10% of the total width of the rail.
  • the passageways have to start at the prow of the hull.
  • the hull comprises two other passageways parallel to the first passageways, these second passageways having a cross-sectional profile on both sides of the sole forming two inclined planes forming a third V shape (V 3 ) less inclined than first V shape (V 1 ), these two inclined planes of the second passageways, third passageway V shape (V 3 ), are perfectly straight until the beginning of the arcs of circles forming the arches of the aforesaid passageways.
  • the arches of these passageways are twice less deep than the first passageways.
  • the width of the arches of the second passageways is 1/12 to 1/30 of the width of the hull.
  • the width of the arches of the first passageways is 1/24 to 1/60 of the width of the hull.
  • the start of the second passageways is situated at the third length of the hull, from the prow to the poop or transom.
  • the second passageways which form the third V shape (V 3 ) eliminate last lateral water projections.
  • FIG. 1 is a view of the sailing craft, that is to say a front view of a boat.
  • FIG. 2 is a view of a boat seen from the side.
  • FIG. 3 is a view of the hull of a boat seen from below so as to highlight the rail shaped according to the invention.
  • FIG. 4 is a sectional view of all the volume of the boat highlighting in particular the hull section, the rail section and the boat hull bottom section.
  • FIG. 5 is a view of the boat seen at the stem.
  • FIG. 6 is a view according to FIG. 5 with the cut lines highlighting the profile of the bottom and in particular the profile of the rail according to the invention.
  • FIG. 7 is a view in perspective of the hull of the boat highlighting the hull profile and in particular the rail.
  • FIG. 8 is a view according to FIG. 7 seen from other angle that highlights this particular shape of the rail.
  • FIG. 9 is a view in perspective of the hull of the boat, in particular at the level of the stem, and this to highlight the first part of the rail, the first part of the guidance passageways, and the first part of the sole.
  • FIG. 10 is a simplified sectional view of the boat hull section highlighting the profile of the bottom and in particular the guidance rail.
  • FIG. 11 is a view in perspective of the underside of the boat hull seen from the prow.
  • FIG. 12 is a view in perspective highlighting all the hull with the stem in the foreground.
  • FIG. 13 is a simplified view of the boat seen from the side.
  • FIG. 14 is a simplified view of the boat seen from below.
  • FIG. 15 is a cross-sectional view of the second embodiment of the hull according to the invention.
  • FIG. 16 is a front view of the hull seen from the stem highlighting the trailing lines. It highlights the two passageways on each side.
  • FIG. 17 is a side view of the hull according to the embodiment shown on FIG. 15 .
  • FIG. 18 is a top view of the hull with its trailing lines.
  • FIG. 19 is a top and perspective view of the hull.
  • Hull 1 for sailing craft has a bottom and a special profile.
  • This bottom 2 is characterized by at least one rail 3 shaped from the stem to transom 5 .
  • Said rail 3 is made of a flat axial sole 6 joining two passageways 7 and 8 parallel from stem 4 to transom 5 .
  • passageways 7 and 8 are of the same width and depth of water inlet zone from stem 4 to transom 5 .
  • These two passageways 7 and 8 taken from the axial sole 6 have a sectional profile and on both sides of sole 6 form two inclined planes 9 and 10 forming first V, V 1 .
  • These two inclined planes 9 , 10 terminate in their upper part by two profiles forming arc of circle 11 and 12 which are further extended by two other inclined parts 13 and 14 forming a second V, V 2 , less inclined than the first V 1 , the said inclined parts 13 , 14 leading to upper works 15 and 16 .
  • Width B of passageways 7 , 8 have a dimension which represents 1 ⁇ 3 to 40% of width A of the hull.
  • the two inclined planes 9 and 10 which form the first V shape V 1 of passageways 7 , 8 are perfectly straight up to the start of profiles 11 and 12 in an arc or a circle which forms the arches of passageways 7 , 8 .
  • the arches of passageways 7 , 8 have a quarter arc of a circle form so that the central waterstream and the air bubbles are well contained up to the rear of the hull to ensure better sliding.
  • the sailing craft absorbs the waves better whether at low speed or high speed.
  • the two V-shaped inclined planes 9 and 10 of the passageways are interconnected at the base by a sole 6 .
  • This flat longitudinal sole 6 is approximately 6 to 10% of the total width of the two passageways, that is to say B.
  • the width of sole 6 accounts for 8% compared to the total width of the two passageways, referenced B on FIG. 4 .
  • This sole 6 begins gradually from stem 4 to provide a uniform width of water inlet.
  • the start of sole 6 can be seen at the level of the stem on FIGS. 9 , 11 and 12 .
  • Sole 6 can of course be reinforced by various materials in order to absorb impacts.
  • This sole 6 can act as the stranding sole.
  • Two inclined planes 9 and 10 forming the central V shape referenced V 1 on FIG. 10 forming the central V shape of the passageways has to have a greater inclination to form a central V 1 that is narrower than the two other inclined parts 13 and 14 which form the second V, that is to say V 2 referenced on FIG. 2 .
  • the angle of inclined planes 9 and 10 forming the V shape V 1 of the rail is between 40° and 60°.
  • the angle of inclined parts 13 and 14 forming the V shape V 2 is between 55° and 75°.
  • the difference in the angle ⁇ between V 1 and V 2 is approximately 15°.
  • passageways 7 , 8 of rail 3 are the same width from stem 4 to transom 5 .
  • Passageways 7 , 8 are the same depth from the water inlet zone to transom 5 exit.
  • the depth of the arches of the passageways of the rail is approximately 8 to 14% of the total width of the rail, that is to say B.
  • the depths of the arch of the passageways of the rails is 10% of the total width of the rail, that is to say B.
  • the sailing craft can be a boat with motor, sailboat, hydroplane, sea scooter or jet ski.
  • FIGS. 15 to 19 highlight an embodiment that includes two other passageways 19 and 20 , these second passageways 19 and 20 being parallel to the first passageways 7 and 8 .
  • These second passageways 19 and 20 have a cross-section on both sides of the sole to form two inclined planes 21 and 22 forming third V shape (V 3 ), these inclined planes 21 and 22 being perfectly straight until to the start of the arc of circle profiles 23 , 24 which form the arches of passageways 19 and 20 .
  • the two inclined planes 21 and 22 are less inclined than planes 9 and 10 forming the first V shape (V 1 ).
  • the depths of the arches of these passageways 19 and 20 is twice less deep than first passageways 7 and 8 , the width of the arches of these arc of circled profiles 23 , 24 of the second passageways is 1/12 to 1/30 of widths of the hull.
  • the start of the second passageways 19 and 20 is situated one-third along the hull from the prow to the poop or transom.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Ocean & Marine Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Toys (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Vibration Prevention Devices (AREA)
  • Navigation (AREA)
  • Golf Clubs (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
US12/091,529 2005-10-25 2006-10-17 Hull For Sailing Craft Whereof The Bottom Enables Water Gliding Performances To Be Enhanced Abandoned US20080216729A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0553247 2005-10-25
FR0553247A FR2892375B1 (fr) 2005-10-25 2005-10-25 Coque pour engin de navigation dont la carene permet d'augmenter les performances de glisse sur l'eau
PCT/EP2006/067510 WO2007048737A1 (fr) 2005-10-25 2006-10-17 Coque pour engin de navigation dont la carène permet d'augmenter les performances de glisse sur l'eau

Publications (1)

Publication Number Publication Date
US20080216729A1 true US20080216729A1 (en) 2008-09-11

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ID=36615666

Family Applications (1)

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US12/091,529 Abandoned US20080216729A1 (en) 2005-10-25 2006-10-17 Hull For Sailing Craft Whereof The Bottom Enables Water Gliding Performances To Be Enhanced

Country Status (12)

Country Link
US (1) US20080216729A1 (ja)
EP (1) EP1940678B1 (ja)
JP (1) JP2009512595A (ja)
CN (1) CN101389525A (ja)
AT (1) ATE440769T1 (ja)
AU (1) AU2006307968A1 (ja)
CA (1) CA2626543A1 (ja)
DE (1) DE602006008818D1 (ja)
FR (1) FR2892375B1 (ja)
NO (1) NO20082397L (ja)
RU (1) RU2008120362A (ja)
WO (1) WO2007048737A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150210357A1 (en) * 2014-01-28 2015-07-30 Larson Boats, LLC Pontoon boat with high efficiency sponsons
US9365262B1 (en) * 2015-06-10 2016-06-14 The United States Of America As Represented By The Secretary Of The Navy Wiggle hull design having a concave and convex planing hull

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1036206C2 (nl) * 2008-11-17 2010-05-18 Tryvia Boat Patent B V Snelvarend vaartuig.
FR2980163B1 (fr) * 2011-09-19 2014-07-11 Bernard Lecamus Coque en v d'engin flottant

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1176446A (en) * 1915-09-10 1916-03-21 Thomas B Hayman Motor-boat.
US2020792A (en) * 1934-09-05 1935-11-12 Maynard Ernest Alton Water craft
US3745963A (en) * 1970-08-14 1973-07-17 W Fisher Boat structure
US3930455A (en) * 1974-09-19 1976-01-06 Harry Bremer Boat hull construction
US4584959A (en) * 1984-05-25 1986-04-29 Allison Darris E Planing boat hull
US4722294A (en) * 1981-12-28 1988-02-02 Bruning Paul F V-bottom planing boat with lifting recesses
US4875425A (en) * 1986-11-26 1989-10-24 Serter Erbil H Hull forms
US4932347A (en) * 1988-08-09 1990-06-12 American Hydro Ski, Inc. Jet ski hull
US4989534A (en) * 1988-09-01 1991-02-05 Field Leonard E Boat hull having stepped underside
US5522333A (en) * 1994-05-16 1996-06-04 Thomas G. Lang Catamaran boat with planing pontoons
US6293218B1 (en) * 2000-08-21 2001-09-25 Ralph Fern White Tunnel-hulled boat
US6314903B2 (en) * 1998-09-22 2001-11-13 Mangia Onda Co., Llc M-shaped boat hull
US20050034647A1 (en) * 2003-07-11 2005-02-17 Stefan Amraly Hull suspension technology (HST)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1243460A (fr) * 1959-08-31 1960-10-14 Coque de bateau rapide
IT1297941B1 (it) * 1997-12-23 1999-12-20 Riccardo Mambretti Carena planante a convogliamento d'aria

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1176446A (en) * 1915-09-10 1916-03-21 Thomas B Hayman Motor-boat.
US2020792A (en) * 1934-09-05 1935-11-12 Maynard Ernest Alton Water craft
US3745963A (en) * 1970-08-14 1973-07-17 W Fisher Boat structure
US3930455A (en) * 1974-09-19 1976-01-06 Harry Bremer Boat hull construction
US4722294A (en) * 1981-12-28 1988-02-02 Bruning Paul F V-bottom planing boat with lifting recesses
US4584959A (en) * 1984-05-25 1986-04-29 Allison Darris E Planing boat hull
US4875425A (en) * 1986-11-26 1989-10-24 Serter Erbil H Hull forms
US4932347A (en) * 1988-08-09 1990-06-12 American Hydro Ski, Inc. Jet ski hull
US4989534A (en) * 1988-09-01 1991-02-05 Field Leonard E Boat hull having stepped underside
US5522333A (en) * 1994-05-16 1996-06-04 Thomas G. Lang Catamaran boat with planing pontoons
US6314903B2 (en) * 1998-09-22 2001-11-13 Mangia Onda Co., Llc M-shaped boat hull
US6293218B1 (en) * 2000-08-21 2001-09-25 Ralph Fern White Tunnel-hulled boat
US20050034647A1 (en) * 2003-07-11 2005-02-17 Stefan Amraly Hull suspension technology (HST)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150210357A1 (en) * 2014-01-28 2015-07-30 Larson Boats, LLC Pontoon boat with high efficiency sponsons
US9376166B2 (en) * 2014-01-28 2016-06-28 Larson Boats, LLC High efficiency sponsons for pontoon boat
US9365262B1 (en) * 2015-06-10 2016-06-14 The United States Of America As Represented By The Secretary Of The Navy Wiggle hull design having a concave and convex planing hull

Also Published As

Publication number Publication date
NO20082397L (no) 2008-07-18
CN101389525A (zh) 2009-03-18
CA2626543A1 (fr) 2007-05-03
FR2892375A1 (fr) 2007-04-27
WO2007048737A1 (fr) 2007-05-03
JP2009512595A (ja) 2009-03-26
EP1940678B1 (fr) 2009-08-26
AU2006307968A1 (en) 2007-05-03
EP1940678A1 (fr) 2008-07-09
RU2008120362A (ru) 2009-12-10
ATE440769T1 (de) 2009-09-15
DE602006008818D1 (de) 2009-10-08
FR2892375B1 (fr) 2007-12-14

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AS Assignment

Owner name: PETIT, OLIVIER, FRANCE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHAUVEAU, JEAN CLAUDE;PETIT, OLIVIER;REEL/FRAME:020855/0472

Effective date: 20080407

Owner name: OEINO, LAURENCE, FRANCE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHAUVEAU, JEAN CLAUDE;PETIT, OLIVIER;REEL/FRAME:020855/0472

Effective date: 20080407

Owner name: OEINO, ESPEN, FRANCE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHAUVEAU, JEAN CLAUDE;PETIT, OLIVIER;REEL/FRAME:020855/0472

Effective date: 20080407

Owner name: CHAUVEAU, JEAN CLAUDE, FRANCE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHAUVEAU, JEAN CLAUDE;PETIT, OLIVIER;REEL/FRAME:020855/0472

Effective date: 20080407

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION