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GR1006197B - Craft with inclined keel and progressively inversed frames - Google Patents

Craft with inclined keel and progressively inversed frames

Info

Publication number
GR1006197B
GR1006197B GR20070100654A GR20070100654A GR1006197B GR 1006197 B GR1006197 B GR 1006197B GR 20070100654 A GR20070100654 A GR 20070100654A GR 20070100654 A GR20070100654 A GR 20070100654A GR 1006197 B GR1006197 B GR 1006197B
Authority
GR
Greece
Prior art keywords
progressively
craft
bow
stern
inversed
Prior art date
Application number
GR20070100654A
Other languages
Greek (el)
Inventor
Original Assignee
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 filed Critical
Priority to GR20070100654A priority Critical patent/GR1006197B/en
Priority to PCT/GR2008/000063 priority patent/WO2009053762A2/en
Publication of GR1006197B publication Critical patent/GR1006197B/en

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
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/12—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B34/00—Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure
    • B63B34/40—Body-supporting structures dynamically supported by foils under water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention relates to a high-speed craft characterised by low-fuel consumption due to its high-performance keel extending between sides A,B and comprising a combination of: a frames 3 presenting a morphology of low-resistance arched curve at the bow section and in the sequel a progressively increased inversed morphology; longitudinal lamellae 4 on both sides of the bow section which lamellae conduct into the hull limits a great part of the waving created throughout the propelling of the craft; a central inclined longitudinal keel 2 extendable into a progressively reduced depth from bow to stern so that a progressively enlarged cavity 10 is created from the midcraft section up to the stern what leads respectively to a progressively reduced hydrostatic pressure of the water mass confined into the hull limits; buoyancy foils 5 on both ends of the stern assisting the elevation of this last in respect to the corresponding elevation of the bow during the craftÆs propelling and the achievement of constant horizontal floating with a craft which is progressively elevated while the speed is getting increased and the wetted surface respectively reduced.
GR20070100654A 2007-10-26 2007-10-26 Craft with inclined keel and progressively inversed frames GR1006197B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GR20070100654A GR1006197B (en) 2007-10-26 2007-10-26 Craft with inclined keel and progressively inversed frames
PCT/GR2008/000063 WO2009053762A2 (en) 2007-10-26 2008-10-27 Ship with longitudinally extending foils, inclined keel, and lift producing blades at the stern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR20070100654A GR1006197B (en) 2007-10-26 2007-10-26 Craft with inclined keel and progressively inversed frames

Publications (1)

Publication Number Publication Date
GR1006197B true GR1006197B (en) 2008-12-18

Family

ID=40328823

Family Applications (1)

Application Number Title Priority Date Filing Date
GR20070100654A GR1006197B (en) 2007-10-26 2007-10-26 Craft with inclined keel and progressively inversed frames

Country Status (2)

Country Link
GR (1) GR1006197B (en)
WO (1) WO2009053762A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102514681A (en) * 2011-12-23 2012-06-27 深圳市海斯比船艇科技股份有限公司 Dolabriform bow high-speed boat model adhered with wave-elimination-damping wings
CN102840899B (en) * 2012-09-11 2014-08-13 武汉理工大学 Method for measuring entrained water quality of immersed tube joints
CN110967022B (en) * 2019-12-24 2023-05-05 上海船舶运输科学研究所 Auxiliary decision-making system for ship speed optimization
NO346592B1 (en) * 2021-10-16 2022-10-17 Svela Solutions As SwallowCat. Boat hull with a V-shaped bow section in the centreline which gradually transforms towards the rear into a concave bottom with two horizontal, water ski-like bearing surfaces built into the rear half of the hull only.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19738215A1 (en) * 1997-09-02 1999-03-11 Guenter Wetter Watercraft with a stabilization device
CA2524176C (en) * 2003-05-01 2009-10-20 Navatek, Ltd. Low drag submerged asymmetric displacement lifting body
FR2890040B1 (en) * 2005-08-26 2007-10-05 Dcn Sa SHIP HULL COMPRISING AT LEAST ONE FLOAT

Also Published As

Publication number Publication date
WO2009053762A3 (en) 2009-06-18
WO2009053762A2 (en) 2009-04-30

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Legal Events

Date Code Title Description
PG Patent granted
ML Lapse due to non-payment of fees

Effective date: 20120503