US3885514A - Arrangement relating to ship hulls - Google Patents
Arrangement relating to ship hulls Download PDFInfo
- Publication number
- US3885514A US3885514A US384252A US38425273A US3885514A US 3885514 A US3885514 A US 3885514A US 384252 A US384252 A US 384252A US 38425273 A US38425273 A US 38425273A US 3885514 A US3885514 A US 3885514A
- Authority
- US
- United States
- Prior art keywords
- hull
- bow
- ship
- torpedo
- side portions
- 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 - Lifetime
Links
Images
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
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
Definitions
- a ship hull of the trimaran type where the middle part of the hull extends downwards to a depth below the side hulls and where the middle part terminates in a rounded bulb, the middle part having a substantially shorter lengthwise extension than the side hulls and being terminated a distance forward of the aft end of the ship hull.
- the rounded bulb has the shape of a torpedolike body, the front end of which extends freely forwards of the connection to the main hull.
- the bulb or the torpedolike body in accordance with the invention will therefore be situated at a greater depth than the rest of the bottom of the hull.
- this body When moving in sea, this body will generally always move through the water without being lifted out of the water even during very strong pitching motion of the vessel. This has the effect that waves will not be able to pound against the bottom of the hull as in previous hull designs and, at the same time, the buoyancy of the body will counteract digging of the bow into the sea.
- the motion of the vessel can be adjusted to the optimum by the arrangement of means in the body dividing it into trimming tanks and/or fuel tanks.
- connection between the bulb or the torpedolike body and the bottom of the hull extends only over a part of the length of the hull body. Thereby the turning diameter of the vessel will not be increased by much and the vessel will have good maneouvrability.
- the water resistance will be small since the body is torpedoshaped.
- connection with the bottom of the hull is relatively narrow in section, so that the torpedo or drop shape of the surface of the body is interrupted only to an unessential extent.
- Hydrophones and other equipment can be arranged inside the body if desirable. These will thereby have a much more advantageous position than previously in that they will be placed at a substantially greater depth.
- the body By arranging the body in such a way that it comprises trimming tanks, not only will the possibility be gained for adjusting the trim for advantageous motion in sea but also for obtaining maximum speed.
- the downwardly projecting body will also act as a wave dampener in sea pounding against the vessel from any direction, particularly when the hull of the vessel is lifted partly out of the water at high speed.
- FIG. 1 shows schematically a vessel shaped in accordance with the invention as seen from the side
- FIG. 2 shows the same vessel seen somewhat from behind in perspective view.
- the torpedolike body is given the reference designation A and it protrudes downwards from the bottom near the bow section of the vessel.
- the middle and aft section B of the vessel is shaped like a catamaran hull and, together with the protruding body A of the bow section C, a modified trimaran construction is obtained.
- any other shape of the bottom can be used with the arrangement according to the invention. Similarily, the invention covers any modification of the shape of the bow or torpedo-shaped body as long as this lies within the definition of being lengthwise extending, elongated and streamlined. It is furthermore possible to arrange more than one such body under the bottom of the vessel, for example, side by side and/or one after the other. Moreover, the body A can be divided into sections for use as trimming tanks and/or fuel tanks as shown in dotted lines in FIG. 1.
- a ships hull having a bow, stern, bottom and lateral sides and including two depending side portions which are spaced in opposition to one another and have free lower edges, said side portions defining at said bottom, a central longitudinal channel extending from the stern towards the bow, and a central portion disposed in said channel at the front thereof and including a downwardly projecting portion extending at a level beneath the free lower edges of said side portions and of substantially shorter length than the overall length of the hull, said downwardly projecting portion being disposed substantially in entirety below said free lower edges of the side portions and constituted as a horizontally extended torpedo-like body.
- a ships hull as claimed in claim 1 comprising means dividing said torpedo-like body into a plurality of tank sections.
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)
- Vibration Prevention Devices (AREA)
- Toys (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
- Adjustment And Processing Of Grains (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
- Tires In General (AREA)
- Laminated Bodies (AREA)
- Body Structure For Vehicles (AREA)
- Electric Cable Installation (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO02744/72*[A NO128434B (xx) | 1972-08-01 | 1972-08-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3885514A true US3885514A (en) | 1975-05-27 |
Family
ID=19879090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US384252A Expired - Lifetime US3885514A (en) | 1972-08-01 | 1973-07-31 | Arrangement relating to ship hulls |
Country Status (22)
Country | Link |
---|---|
US (1) | US3885514A (xx) |
JP (1) | JPS5643904B2 (xx) |
AR (1) | AR197412A1 (xx) |
AU (1) | AU475674B2 (xx) |
BE (1) | BE803106A (xx) |
BR (1) | BR7305777D0 (xx) |
CA (1) | CA969429A (xx) |
DD (1) | DD106806A5 (xx) |
DE (1) | DE2335815C3 (xx) |
ES (1) | ES417778A1 (xx) |
FI (1) | FI55802C (xx) |
FR (1) | FR2194602B1 (xx) |
GB (1) | GB1392887A (xx) |
IE (1) | IE37951B1 (xx) |
IN (1) | IN138771B (xx) |
IT (1) | IT992308B (xx) |
NL (1) | NL7310548A (xx) |
NO (1) | NO128434B (xx) |
PL (1) | PL86241B1 (xx) |
RO (1) | RO72102A (xx) |
SE (1) | SE400064B (xx) |
ZA (1) | ZA734707B (xx) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1989009721A2 (en) * | 1988-03-28 | 1989-10-19 | Swath Ocean Systems, Inc. | Improved hull construction for a swath vessel |
US4899679A (en) * | 1987-10-06 | 1990-02-13 | Sarvis Oy | Keel structure |
US5140930A (en) * | 1987-04-30 | 1992-08-25 | Rhoda Stolk And Stolkraft Pty. Ltd. | Water craft |
US5211126A (en) * | 1992-05-18 | 1993-05-18 | Johnson Robert K | Ship or boat construction having three hulls |
US6131529A (en) * | 1997-05-31 | 2000-10-17 | The East Group | Water going vessel hull and method for hull design |
US6263819B1 (en) * | 1999-09-16 | 2001-07-24 | Pacific Marine Supply Co., Ltd. | Low drag submerged displacement hull |
WO2003095296A1 (en) * | 2002-05-08 | 2003-11-20 | Luigi Mascellaro | Hull for shipping with a mono-catamaran architecture |
US20050178310A1 (en) * | 2003-05-01 | 2005-08-18 | Steven Loui | Low drag submerged asymmetric displacement lifting body |
US20060169191A1 (en) * | 2004-04-30 | 2006-08-03 | Steven Loui | Bow lifting body |
US20090133614A1 (en) * | 2007-11-26 | 2009-05-28 | Karl Mortensen | Water skimmer |
US20090223431A1 (en) * | 2008-03-06 | 2009-09-10 | Steven Loui | Bow lifting body with deadrise |
US8783200B1 (en) | 2012-08-17 | 2014-07-22 | Bennie Meyers | Transformable hull vessel |
US20170152003A1 (en) * | 2014-06-11 | 2017-06-01 | Monotricat Srl C.R. | Hull for low drag boats |
CN108945278A (zh) * | 2018-06-26 | 2018-12-07 | 广东新船重工有限公司 | 一种双体船 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2442176A1 (fr) * | 1978-11-24 | 1980-06-20 | Goulley Michel | Bateau de type catamaran a etrave centrale |
JPH0338906U (xx) * | 1989-08-23 | 1991-04-15 | ||
JP2006111045A (ja) * | 2004-10-12 | 2006-04-27 | Ihi Marine United Inc | 船舶の船首形状 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US911806A (en) * | 1908-08-06 | 1909-02-09 | Napoleon B Broward | Boat. |
US2371478A (en) * | 1943-04-05 | 1945-03-13 | Archie A Steele | Boat hull |
US2757629A (en) * | 1953-11-06 | 1956-08-07 | Harwill Inc | Boat stabilizers |
US2815730A (en) * | 1956-04-17 | 1957-12-10 | Horsdal Paul | Boat structure |
US3138130A (en) * | 1962-10-08 | 1964-06-23 | Morgan Jasper | Boat hull |
US3177836A (en) * | 1962-09-12 | 1965-04-13 | Carrosserie Torsa Schallbetter | Boat and use thereof |
US3239856A (en) * | 1964-10-27 | 1966-03-15 | Stocking Stannard | Boat construction |
US3469557A (en) * | 1967-05-01 | 1969-09-30 | Donald L Wollard | Channel stern power boat |
US3503358A (en) * | 1968-10-29 | 1970-03-31 | Carl Moesly | Self-stabilizing boat hull |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1169344A (fr) * | 1957-03-12 | 1958-12-26 | Dispositif triangulaire de coques annulant le tangage et le roulis et par voie de conséquence la dérive | |
FR1414492A (fr) * | 1963-11-25 | 1965-10-15 | Perfectionnements aux bateaux | |
US3702598A (en) * | 1971-06-07 | 1972-11-14 | Jack J Szptyman | Watercraft |
-
1972
- 1972-08-01 NO NO02744/72*[A patent/NO128434B/no unknown
-
1973
- 1973-07-11 ZA ZA734707A patent/ZA734707B/xx unknown
- 1973-07-13 DE DE2335815A patent/DE2335815C3/de not_active Expired
- 1973-07-17 IN IN1666/CAL/73A patent/IN138771B/en unknown
- 1973-07-20 AU AU58359/73A patent/AU475674B2/en not_active Expired
- 1973-07-23 AR AR249234A patent/AR197412A1/es active
- 1973-07-23 FI FI2315/73A patent/FI55802C/fi active
- 1973-07-23 GB GB3508173A patent/GB1392887A/en not_active Expired
- 1973-07-26 SE SE7310362A patent/SE400064B/xx unknown
- 1973-07-27 IE IE1277/73A patent/IE37951B1/xx unknown
- 1973-07-27 IT IT12766/73A patent/IT992308B/it active
- 1973-07-30 BR BR5777/73A patent/BR7305777D0/pt unknown
- 1973-07-30 NL NL7310548A patent/NL7310548A/xx not_active Application Discontinuation
- 1973-07-30 JP JP8575273A patent/JPS5643904B2/ja not_active Expired
- 1973-07-31 DD DD169868A patent/DD106806A5/xx unknown
- 1973-07-31 US US384252A patent/US3885514A/en not_active Expired - Lifetime
- 1973-07-31 CA CA177,760A patent/CA969429A/en not_active Expired
- 1973-07-31 FR FR7327935A patent/FR2194602B1/fr not_active Expired
- 1973-08-01 PL PL1973164446A patent/PL86241B1/pl unknown
- 1973-08-01 RO RO7375683A patent/RO72102A/ro unknown
- 1973-08-01 ES ES417778A patent/ES417778A1/es not_active Expired
- 1973-08-01 BE BE134140A patent/BE803106A/xx unknown
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US911806A (en) * | 1908-08-06 | 1909-02-09 | Napoleon B Broward | Boat. |
US2371478A (en) * | 1943-04-05 | 1945-03-13 | Archie A Steele | Boat hull |
US2757629A (en) * | 1953-11-06 | 1956-08-07 | Harwill Inc | Boat stabilizers |
US2815730A (en) * | 1956-04-17 | 1957-12-10 | Horsdal Paul | Boat structure |
US3177836A (en) * | 1962-09-12 | 1965-04-13 | Carrosserie Torsa Schallbetter | Boat and use thereof |
US3138130A (en) * | 1962-10-08 | 1964-06-23 | Morgan Jasper | Boat hull |
US3239856A (en) * | 1964-10-27 | 1966-03-15 | Stocking Stannard | Boat construction |
US3469557A (en) * | 1967-05-01 | 1969-09-30 | Donald L Wollard | Channel stern power boat |
US3503358A (en) * | 1968-10-29 | 1970-03-31 | Carl Moesly | Self-stabilizing boat hull |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5140930A (en) * | 1987-04-30 | 1992-08-25 | Rhoda Stolk And Stolkraft Pty. Ltd. | Water craft |
US4899679A (en) * | 1987-10-06 | 1990-02-13 | Sarvis Oy | Keel structure |
WO1989009721A3 (en) * | 1988-03-28 | 1989-11-16 | Swath Ocean Systems Inc | Improved hull construction for a swath vessel |
US4919063A (en) * | 1988-03-28 | 1990-04-24 | Swath Ocean Systems, Inc. | Hull construction for a swath vessel |
WO1989009721A2 (en) * | 1988-03-28 | 1989-10-19 | Swath Ocean Systems, Inc. | Improved hull construction for a swath vessel |
US5211126A (en) * | 1992-05-18 | 1993-05-18 | Johnson Robert K | Ship or boat construction having three hulls |
US6131529A (en) * | 1997-05-31 | 2000-10-17 | The East Group | Water going vessel hull and method for hull design |
US6263819B1 (en) * | 1999-09-16 | 2001-07-24 | Pacific Marine Supply Co., Ltd. | Low drag submerged displacement hull |
US20060060120A1 (en) * | 2002-05-08 | 2006-03-23 | Luigi Mascellaro | Hull for shipping with a mono-catamaran architecture |
WO2003095296A1 (en) * | 2002-05-08 | 2003-11-20 | Luigi Mascellaro | Hull for shipping with a mono-catamaran architecture |
US7165503B2 (en) | 2002-05-08 | 2007-01-23 | Luigi Mascellaro | Hull of a ship having a central keel and side chines |
US7004093B2 (en) | 2003-05-01 | 2006-02-28 | Navatek, Ltd. | Low drag submerged asymmetric displacement lifting body |
US20050178310A1 (en) * | 2003-05-01 | 2005-08-18 | Steven Loui | Low drag submerged asymmetric displacement lifting body |
US20060169191A1 (en) * | 2004-04-30 | 2006-08-03 | Steven Loui | Bow lifting body |
US7191725B2 (en) | 2004-04-30 | 2007-03-20 | Navatek, Ltd. | Bow lifting body |
US20090133614A1 (en) * | 2007-11-26 | 2009-05-28 | Karl Mortensen | Water skimmer |
US7578253B2 (en) | 2007-11-26 | 2009-08-25 | Water Skimmer Boats Llc | Water skimmer |
US20090223431A1 (en) * | 2008-03-06 | 2009-09-10 | Steven Loui | Bow lifting body with deadrise |
US8783200B1 (en) | 2012-08-17 | 2014-07-22 | Bennie Meyers | Transformable hull vessel |
US20170152003A1 (en) * | 2014-06-11 | 2017-06-01 | Monotricat Srl C.R. | Hull for low drag boats |
US11034413B2 (en) * | 2014-06-11 | 2021-06-15 | Monotricat Srl C.R. | Hull for low drag boats |
CN108945278A (zh) * | 2018-06-26 | 2018-12-07 | 广东新船重工有限公司 | 一种双体船 |
CN108945278B (zh) * | 2018-06-26 | 2024-04-02 | 广东新船重工有限公司 | 一种双体船 |
Also Published As
Publication number | Publication date |
---|---|
AU475674B2 (en) | 1976-09-02 |
PL86241B1 (xx) | 1976-05-31 |
DD106806A5 (xx) | 1974-07-05 |
FI55802C (fi) | 1979-10-10 |
JPS4985780A (xx) | 1974-08-16 |
FR2194602B1 (xx) | 1977-09-30 |
GB1392887A (en) | 1975-05-07 |
AU5835973A (en) | 1975-01-30 |
AR197412A1 (es) | 1974-04-05 |
FI55802B (fi) | 1979-06-29 |
IE37951B1 (en) | 1977-11-23 |
FR2194602A1 (xx) | 1974-03-01 |
NO128434B (xx) | 1973-11-19 |
DE2335815B2 (de) | 1979-03-29 |
BR7305777D0 (pt) | 1974-07-11 |
JPS5643904B2 (xx) | 1981-10-15 |
BE803106A (fr) | 1973-12-03 |
SE400064B (sv) | 1978-03-13 |
DE2335815C3 (de) | 1979-11-22 |
NL7310548A (xx) | 1974-02-05 |
DE2335815A1 (de) | 1974-02-28 |
ZA734707B (en) | 1974-10-30 |
ES417778A1 (es) | 1976-02-16 |
IE37591L (en) | 1974-02-01 |
IT992308B (it) | 1975-09-10 |
RO72102A (ro) | 1980-12-30 |
IN138771B (xx) | 1976-03-27 |
CA969429A (en) | 1975-06-17 |
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