US1729446A - Ship hull - Google Patents

Ship hull Download PDF

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Publication number
US1729446A
US1729446A US308953A US30895328A US1729446A US 1729446 A US1729446 A US 1729446A US 308953 A US308953 A US 308953A US 30895328 A US30895328 A US 30895328A US 1729446 A US1729446 A US 1729446A
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US
United States
Prior art keywords
line
ship
water
adjoining
another
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
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US308953A
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English (en)
Inventor
Erich R F Maier
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Individual
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Individual
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Publication date
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Publication of US1729446A publication Critical patent/US1729446A/en
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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
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/04—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
    • 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

Definitions

  • the invention relates to the fore-bodies of ships, boats and t 1e like, hereinafter referred to generically as ships.
  • An object of the invention is to provide a 5 short and quick path for the water displaced from bow to stern so as to reduce the resistance opposed to the passage' oftheship by waves.
  • the present invention consists in a ships fore-body defined by six surfaces, namely, a horizontal bottom surface which is preferably divided into two surfaces slightly inclined to one another to form a keel, an adjoining surface on each side of the bottom surfaces and inclined to the horizontal at an angle of more than 90 and substantially vertical side surfaces adjoining the inelined surfaces.
  • my invention consists in the construction, arrangement and combination of the various parts of my device, whereby the objects contemplated are attained, as
  • Figure 1 is a perspective elevation of one form of fore-body
  • Figure 2 is a corresponding plan view
  • Figure-3 is a front view
  • the fore-body of the ship is defined by substantially vertical surfaces, A and F, inclined side surfaces, B and E, and two bottom surfaces G and D, the angle between the inclined surfaces and the horizontal being greater than 90, and'preferably between 115 and 1559.
  • the inclined surfaces, B and E increase in breadth .as shown fromiamidships below the water-line in a forward direction tq above the Water-line and gradually approach until" at the point, K, s where the bottom surfaces end in a point, the inclined surfaces unite, their line of junction rising to define the stem of the vesseL- g
  • the surfaces, A and B, (and E and F) in the forward part of the fore-body should be sharply defined in relation to one another as shown in Figure 1 in order to explain how the form of the ship is built up.
  • these surfaces may run into one another by rounding the meeting edges of the various surfaces.
  • I K 1 The distance, w, of the point, K, from the forward perpendicular, VP, is the chief factor in determining the formation of the bow. and depends on the fullness of the ship. The remainder of the ship can be given any suitable form.
  • the bottom surface may be slightly con-. vexed outwards or take -any other practical form and the remainder of the ship may take any desired form.
  • A ships fore-body defined by six surfaces running'into one another, namely, a
  • a ships fore-body defined by six surfaces running into one another, namely, a substantially horizontal bottom surface divided into two surfaces slightly inclined to one another to form a keel and having an apex at its forward end, two adjoining surfaces one on eachside of the bottom surfaces inclined to the-substantially horizontal bottom surfaces at an: angle greater than 90 and increasing inbreadth from amidships below the water-line in a forward direct-ion to above the water-line, and two substantially vertical side surfaces adjoining respec tively the inclined surfaces, said vertical *apex at its forward end, two adjoining sur-' 25 faces one on each side of the bottoin surfaces side surfaces progressively decreasing in breadth in a forward direction correspond; ing to the increase in breadth of the ii1 clined surfaces until they terminate between two transverse vertical planes 'drawn respectively through said apex and the nose of the ship, the inclined surfaces meeting at the apex of the bottom surfaces and their line of intersection forming the stern of the ship from thatpoint to above the water
  • a ships fore-body defined by six surfaces running into one another, namely, a substantially horizontal 'bottom surface divided into two surfaces slightly inclined to one another to forma keel and having an inclined to the substantially horizontal botytom surfaces at an anglegreater than 90 and increasing in breadth from amidships below the water-line in a forward direction to above the water-line, and two substantially vertical side surfaces adjoining respectively the inclined surfaces, the inclined surfaces meeting at the apex of" the bottom surfaces andtheir line of intersection forming the stem of the ship from that point to above the water-line and the meeting edges of said various surfaces being rounded.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Earth Drilling (AREA)
US308953A 1927-09-28 1928-09-28 Ship hull Expired - Lifetime US1729446A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE297802X 1927-09-28

Publications (1)

Publication Number Publication Date
US1729446A true US1729446A (en) 1929-09-24

Family

ID=6090778

Family Applications (1)

Application Number Title Priority Date Filing Date
US308953A Expired - Lifetime US1729446A (en) 1927-09-28 1928-09-28 Ship hull

Country Status (4)

Country Link
US (1) US1729446A (enrdf_load_stackoverflow)
FR (1) FR661144A (enrdf_load_stackoverflow)
GB (1) GB297802A (enrdf_load_stackoverflow)
NL (1) NL24114C (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444526A (en) * 1944-10-12 1948-07-06 Jr William D Pawley Sailboat
US2741207A (en) * 1952-11-06 1956-04-10 Martin R Leone Racing hull
US2887978A (en) * 1957-08-05 1959-05-26 Glasspar Company Keel for planing-type boat hulls
US4002131A (en) * 1976-04-16 1977-01-11 Mangrum Lee R Boat hull construction
DE3508771A1 (de) * 1984-03-12 1985-09-12 Oy Wärtsilä Ab, Helsinki Schiffsrumpf
US4753184A (en) * 1978-07-06 1988-06-28 Schiavone Steven M Hull with convexly down-step plane
USD324366S (en) 1990-05-17 1992-03-03 Wollard Sr Donald L Boat hull
US5191854A (en) * 1990-01-18 1993-03-09 Marcel Lehmann Boat
WO2005090150A1 (en) * 2004-02-17 2005-09-29 Alberto Alvarez-Calderon Transonic hull and hydrofield iii

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3067711A (en) * 1960-06-22 1962-12-11 Duo Marine Inc Catamaran boat hull construction
FR2606730B1 (fr) * 1986-11-14 1989-01-20 Gautheron Georges Navire a carene hydroplanante et structure interne a rablure concave et couples convexes muni ou non d'une derive trifide a lest amovible

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444526A (en) * 1944-10-12 1948-07-06 Jr William D Pawley Sailboat
US2741207A (en) * 1952-11-06 1956-04-10 Martin R Leone Racing hull
US2887978A (en) * 1957-08-05 1959-05-26 Glasspar Company Keel for planing-type boat hulls
US4002131A (en) * 1976-04-16 1977-01-11 Mangrum Lee R Boat hull construction
US4753184A (en) * 1978-07-06 1988-06-28 Schiavone Steven M Hull with convexly down-step plane
DE3508771A1 (de) * 1984-03-12 1985-09-12 Oy Wärtsilä Ab, Helsinki Schiffsrumpf
US5191854A (en) * 1990-01-18 1993-03-09 Marcel Lehmann Boat
USD324366S (en) 1990-05-17 1992-03-03 Wollard Sr Donald L Boat hull
WO2005090150A1 (en) * 2004-02-17 2005-09-29 Alberto Alvarez-Calderon Transonic hull and hydrofield iii

Also Published As

Publication number Publication date
GB297802A (en) 1929-03-14
FR661144A (fr) 1929-07-22
NL24114C (enrdf_load_stackoverflow)

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