EP0016017B1 - Catamaran articule - Google Patents

Catamaran articule Download PDF

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Publication number
EP0016017B1
EP0016017B1 EP79900599A EP79900599A EP0016017B1 EP 0016017 B1 EP0016017 B1 EP 0016017B1 EP 79900599 A EP79900599 A EP 79900599A EP 79900599 A EP79900599 A EP 79900599A EP 0016017 B1 EP0016017 B1 EP 0016017B1
Authority
EP
European Patent Office
Prior art keywords
floats
float
catamaran
cockpit
catamaran according
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
Application number
EP79900599A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0016017A1 (fr
Inventor
Pierre Joseph De Pingon
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
Publication of EP0016017A1 publication Critical patent/EP0016017A1/fr
Application granted granted Critical
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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
    • B63B1/14—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected resiliently or having means for actively varying hull shape or configuration
    • 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
    • B63B1/14—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected resiliently or having means for actively varying hull shape or configuration
    • B63B2001/145—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected resiliently or having means for actively varying hull shape or configuration having means for actively varying hull shape or configuration

Definitions

  • the present invention relates to a catamaran type boat, that is to say comprising two hulls or floats joined by a frame or a passenger compartment.
  • the object of the invention is to allow the realization of a boat of this type arranged so as to eliminate the forces on the connections between the hulls or floats and the frame uniting them, also allowing the floats to struggle in two planes parallel to the plane of symmetry of the ship, independently of each other, and according to the shape of the liquid surface, thereby obtaining better overlap of the waves and better resistance in heavy weather.
  • Another object of the invention is to produce a boat of this type arranged so that the cockpit provided on the frame connecting the floats, permanently retains a horizontal position.
  • the invention relates to a boat combining qualities of good seaworthiness, speed, stability of the cabin, particularly suitable for pleasure boats, passenger transport and service (customs, guard -coasts, weather ship, etc.).
  • the invention is embodied by a catamaran comprising two elongated floats, connected together by a single beam carrying a cabin, the beam being connected directly to each float towards its end by a transverse articulation, oriented perpendicular to the longitudinal axis of the floats, and not allowing each float to slide along the axis of the beam, in which means such that the displacement of one of the floats causes equal and opposite movement of the other float, are provided between the beam and each float, articulated on the one hand on the beam itself and on the other hand on the body of each float, in order to maintain the axial and normally vertical plane of symmetry of the beam in an average position relative to the floats.
  • said means are of the hydraulic type and each time comprise at least one jack interposed between one end of the beam and the float conjugated at this end, the two jacks or sets of jacks provided at the two ends communicating with each other to maintain the axial and normally vertical plane of symmetry of the beam in an average position relative to the floats.
  • the desired result can be obtained in particular by providing, between the beam and the floats, double-acting cylinders whose corresponding chambers are connected together.
  • said means are of the mechanical type and there is provided between each of the two ends of the beam and the corresponding float one or more levers, the ends of these levers engaging the beam being connected together, for example by a lifting beam, so as to achieve the compensation required for maintaining the axial and normally vertical plane of symmetry of the beam in the aforementioned average position.
  • said means provided between the beam and the floats are slaved to a gyroscope, so that the median axial plane of the beam is maintained in a vertical position.
  • the desired result can be obtained by connecting the chambers of the jacks to a device forming a valve and to a source of liquid, and by slaving this device forming a valve and / or the source of liquid to the gyroscope.
  • this result can be obtained by providing in the system of levers, in particular in the connecting beam associated with the beam, a length adjusting device which is slaved to a gyroscope.
  • the cockpit which forms the useful body of the boat is hingedly mounted on the connecting beam in its middle, around a horizontal axis in the axial plane of the boat, means for position control being provided between this cockpit and the beam beam maintains this cockpit substantially in a vertical position, whatever the position of transverse inclination of the boat and consequently of the beam.
  • these means can be controlled by a gyroscopic system.
  • One can provide for example, between the passenger compartment and the beam, one or more jacks connected to a valve and to a source of fluid, the valve then being able to be controlled by a gyroscopic system.
  • the passenger compartment is mounted on the beam in a position such that its center of gravity is substantially perpendicular to the beam.
  • the efforts to be provided by the aforementioned means are relatively low. If this center of gravity of the passenger compartment is also plumb with the articulation axis of this passenger compartment on the beam, a reduced force must also be provided by the means in particular by the jack (s), serving to maintain the passenger compartment in a horizontal transverse position.
  • each float is constituted by an elongated spindle, provided at its front end with a raised part in the shape of a bow.
  • Each zone also carries, towards its rear end, a hpitce and a ruler.
  • the boat's flotation elements have been designated by the references 1 and 2, which are constituted by two long spindles raised at the bow-shaped front as indicated in 3. These spindles, of great length, have a tapered shape to provide on the one hand, because of their increased length, a better overlap of the waves and, on the other hand, a greater propulsion speed.
  • Each spindle is equipped at its rear end with a propeller 4 and a rudder 5.
  • the arrangement of the propeller drive and rudder control members has not been shown in the drawings. The determination of this arrangement is within the reach of the skilled person, who can make a direct application of the technical principles known in this field for the propulsion and steering of existing boats.
  • a transverse beam designated by the reference 6 which is mounted by these ends by means of pins 7 in bearings 8 carried by the spindles.
  • the axes 7 provided at the ends of the beam 6 are aligned with one another, and they are oriented perpendicular to the longitudinal plane of symmetry of the boat. These axes 7 have, as visible in the drawing, a sufficient length to maintain the time zones 1, 2 parallel to the longitudinal axis of the boat. They allow at the same time the movement of these spindles in two vertical planes which are parallel to the axial plane of the boat. If we refer first of all to the embodiment shown in FIGS.
  • conduits 12 and 13 connect together the corresponding chambers of the jacks. It is understood that, in this way, if one of the spindles 1, 2 tends to undergo a deflection in the vertical plane around the conjugate axis 7, it will occur, due to the communication established between the jacks, a equal and opposite movement of the other spindle, so as to tend to maintain the axial and normally vertical plane of symmetry of the beam 6, which is orthogonal to the axial plane of the boat, in an average position relative to these spindles.
  • conduits 14 and 15 which can be connected to a valve associated with a source of liquid. It is understood that by slaving the valve then provided to a gyroscope, it is possible to control the supply of the jacks so as to constantly maintain the beam 6 in a position such that its plane of symmetry remains vertical.
  • FIG. 3 a mechanical type compensation system.
  • angled return levers 16 pivotally mounted on this beam around normally vertical axes 17.
  • An arm of each lever is attacked by a bar 18, which is connected to this lever 16 by one end by means of an articulation 19, while the other end of the bar 18 is connected in an articulated manner at 20 to the corresponding spindle 1, 2.
  • the other arms of the two return levers 16 are connected together by a lifting beam 21.
  • the spreader 21 for example a length adjusting device controlled by a gyroscope, so as to vary the length of this spreader and thus the relative positions of the spindles relative to the beam 6, in order to maintain the median longitudinal plane of this beam in a vertical position.
  • the catamaran according to the invention also comprises a hybitacle which forms its useful body and which is shown diagrammatically at 22 in the drawings.
  • this passenger compartment is mounted on the transverse beam 6 in the middle of the length of this beam, that is to say in the median longitudinal plane of the boat, by means of an axis 23 oriented along this longitudinal plane.
  • This axis is oriented perpendicular to the median axial plane of the beam, that is to say that it normally occupies a horizontal position.
  • a jack 26 which is connected to a valve system (not shown) controlled by a gyroscope, so to maintain this passenger compartment in a vertical position whatever the transverse inclination of the beam 6.
  • the passenger compartment is arranged with respect to the beam 6 so that its center of gravity is perpendicular to this beam.
  • the combination of means described makes it possible to control the position of the passenger compartment longitudinally and transversely so that, whatever the movements of the sea, this passenger compartment remains horizontal. This results in increased comfort for the occupants of the boat.

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)
  • Jib Cranes (AREA)
  • Ship Loading And Unloading (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
EP79900599A 1978-06-08 1980-01-10 Catamaran articule Expired EP0016017B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7817136A FR2427942A1 (fr) 1978-06-08 1978-06-08 Catamaran articule
FR7817136 1978-06-08

Publications (2)

Publication Number Publication Date
EP0016017A1 EP0016017A1 (fr) 1980-10-01
EP0016017B1 true EP0016017B1 (fr) 1983-01-19

Family

ID=9209239

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79900599A Expired EP0016017B1 (fr) 1978-06-08 1980-01-10 Catamaran articule

Country Status (14)

Country Link
EP (1) EP0016017B1 (enExample)
JP (1) JPS6238196B2 (enExample)
AU (1) AU526530B2 (enExample)
DE (1) DE2964525D1 (enExample)
ES (1) ES481319A1 (enExample)
FR (1) FR2427942A1 (enExample)
GR (1) GR65193B (enExample)
IN (1) IN152388B (enExample)
IT (1) IT1118724B (enExample)
MX (1) MX146681A (enExample)
NL (1) NL7904537A (enExample)
NO (1) NO791911L (enExample)
PT (1) PT69689A (enExample)
WO (1) WO1980000018A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57500730A (enExample) * 1980-05-22 1982-04-30
FR2505766A1 (fr) * 1981-05-14 1982-11-19 Gilbert Duhoux Dispositif de fixation souple de flotteur
JPH01103498A (ja) * 1987-10-14 1989-04-20 Reppo Go すずり
JPH0281789A (ja) * 1988-09-19 1990-03-22 Kure Dia:Kk 水面自走浮体
WO1990011903A1 (en) * 1989-04-12 1990-10-18 Christopher Brian Heyring Vehicule suspension
JPH07118066A (ja) * 1993-10-22 1995-05-09 Tokai Carbon Co Ltd 高強度等方性黒鉛材の製造方法
CA2637207C (en) * 2005-12-23 2013-05-28 Thomas Wilmot Meyer High speed watercraft suitable for rough water conditions

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2119775A (en) * 1934-12-24 1938-06-07 Electric Boat Co Boat structure
US2265206A (en) * 1939-09-13 1941-12-09 Walter J Stampfi Hydroplane boat
US2584122A (en) * 1946-09-27 1952-02-05 William E Gilmore Stabilizing mechanism for vehicles
GB792680A (en) * 1955-08-04 1958-04-02 All American Eng Co Improvements in aircraft undercarriages
FR2058786A5 (enExample) * 1969-09-25 1971-05-28 Internavia Ab

Also Published As

Publication number Publication date
WO1980000018A1 (fr) 1980-01-10
PT69689A (fr) 1979-06-01
NO791911L (no) 1979-12-11
FR2427942B1 (enExample) 1981-07-24
ES481319A1 (es) 1979-11-16
NL7904537A (nl) 1979-12-11
AU526530B2 (en) 1983-01-20
IT1118724B (it) 1986-03-03
IT7968197A0 (it) 1979-06-04
JPS6238196B2 (enExample) 1987-08-17
IN152388B (enExample) 1983-12-31
DE2964525D1 (en) 1983-02-24
EP0016017A1 (fr) 1980-10-01
GR65193B (en) 1980-07-29
AU4768379A (en) 1979-12-13
JPS55500560A (enExample) 1980-08-28
MX146681A (es) 1982-07-27
FR2427942A1 (fr) 1980-01-04

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