EP1101696B1 - Moteur hors bord avec structure de support - Google Patents

Moteur hors bord avec structure de support Download PDF

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Publication number
EP1101696B1
EP1101696B1 EP00125123A EP00125123A EP1101696B1 EP 1101696 B1 EP1101696 B1 EP 1101696B1 EP 00125123 A EP00125123 A EP 00125123A EP 00125123 A EP00125123 A EP 00125123A EP 1101696 B1 EP1101696 B1 EP 1101696B1
Authority
EP
European Patent Office
Prior art keywords
outboard motor
supporting projection
internal combustion
combustion engine
case
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
Application number
EP00125123A
Other languages
German (de)
English (en)
Other versions
EP1101696A2 (fr
EP1101696A3 (fr
Inventor
Eiichiro c/o Sanshin Kogyo K.K. Tsujii
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.)
Yamaha Marine Co Ltd
Original Assignee
Yamaha Marine Co Ltd
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 Yamaha Marine Co Ltd filed Critical Yamaha Marine Co Ltd
Publication of EP1101696A2 publication Critical patent/EP1101696A2/fr
Publication of EP1101696A3 publication Critical patent/EP1101696A3/fr
Application granted granted Critical
Publication of EP1101696B1 publication Critical patent/EP1101696B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/36—Transporting or testing stands ; Use of outboard propulsion units as pumps; Protection of power legs, e.g. when not in use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
    • F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines

Definitions

  • This invention relates to an outboard motor comprising an internal combustion engine and a power transmitting structure according to the preamble of claim 1.
  • the outboard motor comprises; a case elongate in one direction with its one end removably supported on a hull and with the other end made submergible in the water, a propeller supported on the other end of the case, an internal combustion engine capable of outputting power to the propeller through a power transmitting means housed inside the one end side of the case, and a cowling covering the internal combustion engine from above and supported with one end of the case.
  • the internal combustion engine comprises; a crankcase supported with the one end of the case, and a cylinder projecting from the crankcase.
  • the above-mentioned case When the hull is to be propelled, the above-mentioned case is brought to the vertically elongate "usable attitude" and the other end of the case is submerged in the water together with the propeller. Next, the internal combustion engine is operated and its output power is transmitted through the transmitting means to the propeller. Then the propeller receives the power and rotates to propel the hull.
  • the outboard motor When the outboard motor is not in use, the outboard motor is removed from the hull, brought to the laterally elongate "stowage attitude", placed and supported on the horizontal placing surface, and stowed or transported in that state.
  • the outboard motor comprises: a case 7 elongate in one direction with its one end 8 removably supported on a hull 3 and with its other end 10 made submergible in the water 2, a propeller 14 supported on the other end 10 of the case 7, an internal combustion engine 16 capable of outputting power to the propeller 14 through a power transmitting means 15 housed within the case 7 on the one end 8 side of the case 7, and a cowling 17 covering the internal combustion engine 16 from above and supported with the one end 8 of the case 7, said internal combustion engine 16 comprising; a crankcase 23 supported with the one end 8 of the case 7, and a cylinder 26 projecting from the crankcase 23, wherein said structure being adapted such that, when the outboard motor 5 is removed from the hull 3 and placed on a horizontal placing surface 36 in a lateral "stowage attitude" in which the cylinder 26 projects upward from the crankcase 23, portions 40, 41 of the case 7 on the underside of the other end 10 and a pair of portions 42, 42 of the underside of the
  • said outboard motor is provided with a steering handlebar 18, and said steering handlebar 18 being rotatably pivoted on either the internal combustion engine 16 or the cowling 17, wherein, when the outboard motor 5 is brought to the "stowage attitude", the rotating end of the handlebar is capable of being placed above the cowling 17 by rotating the steering handlebar 18.
  • FIG. 2 shows a boat 1 floating on the water 2 so as to be propelled in the forward direction indicated with the arrow Fr.
  • the boat 1 has a hull 3 with its rear part constituted with a transom 4.
  • An outboard motor 5 is removably mounted and supported on the transom 4 and located behind the transom 4 to propel the hull 3.
  • the outboard motor 5 is depicted in the "usable attitude".
  • the outboard motor 5 comprises a tubular case 7 elongate in one direction (vertical direction) with its one end, upper end 8, removably supported on a transom 4 by means of a clamp bracket 9 and with its other end 10 made submergible in the water 2.
  • the case 7 is supported with the clamp bracket 9 so as to be rotatable about a support axis 11 located in the vicinity of and directed approximately parallel to the axis of the case 7.
  • the outboard motor 5 also comprises; a propeller 14 supported on the other end 10 of the case 7, an internal combustion engine 16 capable of outputting power to the propeller 14 through a power transmitting means 15 housed within and on the one end 8 side of the case 7, a cowling 17 covering the internal combustion engine 16 from above and supported on the one end 8 of the case 7 by means of a tightening member (not shown), and a steering handlebar 18 projecting by the side of the internal combustion engine 16 or the cowling 17.
  • the steering handlebar 18 is made rotatable about a support axis 19 extending in the direction of width of the hull 3, and projects toward the front, the hull 3 side, so as to be operated from the hull 3 side.
  • the internal combustion engine 16 comprises; the crankcase 23 supported with one end 8 of the case 7, the crankshaft 25 supported with the crankcase 23 and with its axis extending in the approximately vertical direction, a cylinder 26 projecting from the crankcase 23 in the radial direction (approximately horizontal rearward) of the crankshaft 25, a piston 27 inserted for axial sliding within the cylinder 26, a connecting rod 28 connecting the piston 27 for interlocked movement to the crankshaft 25, and an oil pan 29 closing the bottom opening of the crankcase 23 from under.
  • a space surrounded with the cylinder 26 and the piston 27 is made a combustion chamber 30.
  • a valve means 31 is provided to open and close a port for making gas communication between the combustion chamber 30 and the outside of the internal combustion engine 16.
  • An ignition plug (not shown) is provided to face the combustion chamber 30.
  • Lubricant oil 32 for lubricating the internal combustion engine 16 collects in the oil pan 29 within the internal combustion engine 16.
  • the outboard motor 5 When the hull 3 is to be propelled, the outboard motor 5 is brought to the vertically elongate "usable attitude" and the other end 10 is submerged in the water 2 together with the propeller 14. Next, the internal combustion engine 16 is operated and its output power is transmitted through the transmitting means 15 to the propeller 14. Then the propeller 14 rotates to propel the hull 3.
  • Steering from the hull 3 side is made by gripping the projecting end of the steering handlebar 18 and swinging it right and left about the support axis 11 together with right and left swinging of the internal combustion engine 16, the cowling 17, the case 7, and the propeller 14.
  • the imaginary vertical plane 37 passes approximate center of the width of the case 7 (approximately the support axis 11).
  • the center of gravity of the outboard motor 5 is approximately located on the imaginary vertical plane 37 and also located between the portions 40, 41 of the case and the portions 42, 42 of the cowling 17 with respect to the longitudinal direction of the case 7.
  • the portions 42, 42 of the underside of the cowling 17 are located at approximately the same distances from the imaginary vertical plane 37 and project out (down) from the main part of the cowling 17.
  • the outboard motor 5 in its "stowage attitude" is placed in a three-point support state with the portions 40 to 42 in contact with the placing surface 36.
  • the outboard motor 5 remains in the stabilized "stowage attitude" on the placing surface 36, and the work of stowage and transport is facilitated.
  • the lubricant oil 32 in the internal combustion engine 16 does not wet the ignition plug and does not leak outside the internal combustion engine 16.
  • the clamp bracket 9 is capable of being positioned above the case 7 by rotating it about the support axis 11, and the rotating end side of the steering handlebar 18 is also capable of being positioned above the cowling 17 by rotating the handlebar about the support axis 19.
  • a grip 43 is integrally formed with the cowling 17 on the upper surface side of the cowling 17 and on the imaginary vertical plane 37 in the state of the outboard motor 5 in the "stowage attitude".
  • the embodiment described above shows a structure for stowing an outboard motor, said outboard motor comprising; a case elongate in one direction with its one end removably supported on a hull and with its other end made submergible in the water, a propeller supported on the other end of the case, an internal combustion engine capable of outputting power to the propeller through a power transmitting means housed within one end side of the case, and a cowling covering the internal combustion engine from above and supported with one end of the case, said internal combustion engine comprising; a crankcase supported with the one end of the case, and a cylinder projecting from the crankcase, wherein said structure being adapted such that, when the outboard motor is removed from the hull and placed on a horizontal placing surface in a lateral "stowage attitude" in which the cylinder projects upward from the crankcase, portions of the case on the underside of the other end and a pair of portions of the underside of the cowling on right and left of an imaginary vertical plane passing the first-mentione
  • the outboard motor in its "stowage attitude" is placed in a stabilized three-point support state with the portions in contact with the placing surface.
  • the lubricant oil in the internal combustion engine is prevented from wetting the ignition plug and from leaking outside the internal combustion engine.
  • said outboard motor being provided with a steering handlebar, and said steering handlebar being rotatably pivoted on either the internal combustion engine or the cowling, wherein, when the outboard motor is brought to the "stowage attitude", the rotating end side of the handlebar is capable of being placed in a position higher than the cowling by rotating the steering handlebar.
  • the steering handlebar is prevented from contacting the placing surface when the rotating end of the handlebar is placed above the cowling in the state of the outboard motor being brought to the "stowage attitude" and placed on the placing surface.
  • the outboard motor is held unchanged in the "stowage attitude" in a more stabilized manner than in conventional arrangement on the placing surface without being obstructed with the steering handlebar, and the work of stowage and transport is further facilitated.
  • the embodiment described above is suitable to facilitate the work of stowing or transporting an outboard motor by keeping it in a more stabilized "stowage attitude" when it is removed from a hull and placed in the horizontally oblong "stowage attitude" on a placing surface, and to prevent lubricant oil in an internal combustion engine from wetting an ignition plug and from leaking outside the internal combustion engine when the outboard motor is brought to the "stowage attitude.”
  • the outboard motor comprises an internal combustion engine 16 and a power transmitting structure 7,15 for transmitting driving power from said internal combustion engine 16 to a propeller 14.
  • Said outboard motor further comprises an outboard motor supporting structure comprising at least two spaced supporting projection portions 42 adapted to support the outboard motor in a stable position when being removed from a hull 3.
  • a cowling 17 covering said internal combustion engine 16 is provided, wherein said cowling 17 is provided with the supporting projection portions 42.
  • Said internal combustion engine 16 comprises a cylinder 26 extending in a first direction, and the supporting projection portions 42 are projecting in a direction opposite to the extending direction of said cylinder 26.
  • Said power transmitting structure comprises a case 7 elongating in a second direction with a first end 8 removably supported on the hull 3 and with a second end 10 made submergible in the water 2, said case 7 is provided with at least one further supporting projection portion 40,41 on the second end 10 thereof.
  • Said propeller 14 is supported on the second end 10 of the case 7 and facing in a direction which is substantially perpendicular with the second direction, and said further supporting projection portion 40,41 is projecting a direction opposite to the facing direction of said propeller 14, wherein the supporting projection portions 42 are provided on a same side as the further supporting projection portion 40, 41.
  • a center of gravity of the outboard motor is provided between the spaced supporting projection portions 42 and the further supporting projection portion 40, 41 with regard to the second direction.
  • Said supporting projection portions 42 are provided on right and left of an imaginary vertical plane 37 passing the further supporting projection 40, 41 and extending along the second direction.
  • the center of gravity of the outboard motor is located approximately in said vertical plane 37.
  • a steering handlebar 18 is rotatably pivoted on either the internal combustion engine 16 or the cowling 17, wherein said steering handlebar 18 is positionable out of a plane defined by said supporting projection portions 42 and the further supporting projection 40,41.
  • a clamp bracket 9 is moveably provided on the case 7, wherein said clamp bracket 9 is positionable out of a plane defined by said supporting projection portions 42 and the further supporting projection 40, 41.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Exhaust Silencers (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Claims (8)

  1. Moteur hors bord comprenant :
    un moteur à combustion interne (16) et une structure d'entraínement (7, 15) permettant de transmettre une force d'entraínement depuis ledit moteur à combustion interne (16) jusqu'à une hélice (14) ;
    une structure de support du moteur hors bord comprenant au moins deux parties de support faisant saillie et espacées (42) adaptées pour soutenir le moteur hors bord dans une position stable lorsqu'il est retiré d'une coque (3),
       caractérisé en ce que ledit moteur à combustion interne (16) comprend un cylindre (26) s'étendant depuis un vilebrequin (25) dudit moteur à combustion interne (16) dans une première direction, et les parties de support faisant saillie (42) font saillie dans une direction opposée à la première direction et sont agencées sur un capot (17) recouvrant ledit moteur à combustion interne (16).
  2. Moteur hors bord selon la revendication 1, caractérisé en ce que ladite structure d'entraínement comprend un boítier (7) s'allongeant dans une seconde direction avec une première extrémité (8) soutenue de manière amovible sur la coque (3) et avec une seconde extrémité (10) rendue immergeable dans l'eau (2), ledit boítier (7) étant doté d'au moins une autre partie de support faisant saillie (40, 41) sur sa seconde extrémité.
  3. Moteur hors bord selon au moins une des revendications 1 ou 2, caractérisé en ce que ladite hélice (14) est soutenue sur la seconde extrémité (10) du boítier (7) et fait face à une direction qui est sensiblement perpendiculaire à la seconde direction, et ladite autre partie de support faisant saillie (40, 41) fait saillie dans une direction opposée à la direction à laquelle fait face ladite hélice (14), les parties de support faisant saillie (42) étant agencées sur le même côté que l'autre partie de support faisant saillie (40, 41).
  4. Moteur hors bord selon la revendication 2 ou 3, caractérisé en ce qu'un centre de gravité du moteur hors bord est prévu entre les parties de support faisant saillie et espacées (42) et l'autre partie de support faisant saillie (40, 41) par rapport à la seconde direction.
  5. Moteur hors bord selon au moins l'une des revendications 2 à 4, caractérisé en ce que lesdites parties de support faisant saillie (42) sont agencées à droite et à gauche d'un plan vertical imaginaire (37) dépassant l'autre partie de support faisant saillie (40, 41) et s'étirant le long de la seconde direction.
  6. Moteur hors bord selon la revendication 5, caractérisé en ce qu'un centre de gravité du moteur hors bord est situé approximativement dans ledit plan vertical (37).
  7. Moteur hors bord selon au moins l'une des revendications 1 à 6, caractérisé par un guidon de direction (18) pivotant de manière rotative soit sur le moteur de combustion interne (16), soit sur le capot (17), ledit guidon de direction (18) pouvant être positionné hors d'un plan défini par lesdites parties de support faisant saillie (42) et l'autre partie de support faisant saillie (40, 41).
  8. Moteur hors bord selon au moins l'une des revendications 1 à 7, caractérisé par un support de serrage (9) agencé de manière mobile sur le boítier (7), ledit support de serrage (9) pouvant être positionné hors d'un plan défini par lesdites parties de support faisant saillie (42) et l'autre partie de support faisant saillie (40, 41).
EP00125123A 1999-11-19 2000-11-17 Moteur hors bord avec structure de support Expired - Lifetime EP1101696B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP33063499 1999-11-19
JP33063499A JP4297398B2 (ja) 1999-11-19 1999-11-19 船外機の格納構造

Publications (3)

Publication Number Publication Date
EP1101696A2 EP1101696A2 (fr) 2001-05-23
EP1101696A3 EP1101696A3 (fr) 2003-04-23
EP1101696B1 true EP1101696B1 (fr) 2005-08-10

Family

ID=18234872

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00125123A Expired - Lifetime EP1101696B1 (fr) 1999-11-19 2000-11-17 Moteur hors bord avec structure de support

Country Status (2)

Country Link
EP (1) EP1101696B1 (fr)
JP (1) JP4297398B2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5604939B2 (ja) * 2010-03-31 2014-10-15 スズキ株式会社 電動船外機
CN113581435B (zh) * 2021-07-27 2022-05-17 中国船舶科学研究中心 一种吊舱动力仪姿态调整机构
US20230192260A1 (en) * 2021-12-17 2023-06-22 Brunswick Corporation Outboard motors having side and rear laydown capability

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5954554A (en) * 1997-02-11 1999-09-21 Yamaha Hatsudoki Kabushiki Kaisha Outboard drive exhaust system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE459393C (de) * 1926-08-31 1928-11-02 Gerhard Schulze Pillot Aufhaengevorrichtung fuer einen Aussenbordmotor
US1802652A (en) * 1929-11-04 1931-04-28 Outboard Motors Corp Motor support
US2231277A (en) * 1940-01-18 1941-02-11 Arthur L Mepham Carrying and display mount for outboard motors
US2434784A (en) * 1945-12-11 1948-01-20 Jesse H Bardin Outboard motor pan and cover
US4465423A (en) * 1982-05-10 1984-08-14 Recreation Industries Company Outboard motor handling and storing device
US5170740A (en) * 1990-12-05 1992-12-15 Kwik Mount, Inc. Outboard motor stowing bracket for slotted swim platform
US5752733A (en) * 1995-03-24 1998-05-19 Marshall; Steven R. Adjustable strap assembly for raising, lowering and transporting outboard motors and similar heavy bulky objects; and, methods of use thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5954554A (en) * 1997-02-11 1999-09-21 Yamaha Hatsudoki Kabushiki Kaisha Outboard drive exhaust system

Also Published As

Publication number Publication date
JP2001146194A (ja) 2001-05-29
EP1101696A2 (fr) 2001-05-23
JP4297398B2 (ja) 2009-07-15
EP1101696A3 (fr) 2003-04-23

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