WO2001021482A1 - Moteur hors-bord - Google Patents
Moteur hors-bord Download PDFInfo
- Publication number
- WO2001021482A1 WO2001021482A1 PCT/JP2000/006531 JP0006531W WO0121482A1 WO 2001021482 A1 WO2001021482 A1 WO 2001021482A1 JP 0006531 W JP0006531 W JP 0006531W WO 0121482 A1 WO0121482 A1 WO 0121482A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- outboard motor
- vibration
- engine
- virtual center
- center point
- Prior art date
Links
- 229920001971 elastomer Polymers 0.000 description 33
- 239000005060 rubber Substances 0.000 description 33
- 241001331845 Equus asinus x caballus Species 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 8
- 230000001603 reducing effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
-
- 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
- B63H20/02—Mounting of propulsion units
-
- 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
-
- 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
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/20—Multi-cylinder engines with cylinders all in one line
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/42—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing
- F16F1/44—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded mainly in compression
- F16F1/445—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded mainly in compression the spring material being contained in a generally closed space
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/30—Mounting of propulsion plant or unit, e.g. for anti-vibration purposes
- B63H21/305—Mounting of propulsion plant or unit, e.g. for anti-vibration purposes with passive vibration damping
-
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
-
- 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
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1808—Number of cylinders two
Definitions
- the present invention relates to an outboard motor which is disposed so as to face up and the ene axis is arranged in front and rear directions.
- an outboard motor includes a main body frame on which an engine is mounted, and the main body frame is detachably attached to the hull via a mounting bracket.
- the engine is mounted on the main body frame so that the crankshaft is oriented vertically and the cylinder axis is oriented in the front-rear direction so that power can be easily transmitted to a drive shaft arranged vertically in the main body frame. Mounted vertically.
- Vibration generated by the operation of the engine is transmitted from the main frame to the hull via the mounting bracket.
- the main frame is supported by the mounting bracket via an elastic body.
- the thrust generated by the propeller of the outboard motor is transmitted from the main body frame to the mounting bracket via the elastic body, and further transmitted from the mounting bracket to the hull. Therefore, the above-mentioned elastic body contradicts the requirement that the thrust generated by the propeller be effectively transmitted from the main body frame to the mounting bracket while effectively reducing the vibration transmission from the main body frame to the mounting bracket. Must be satisfied.
- One approach to satisfying the above requirements is to reduce the vibration generated by the engine itself.
- the rotating mass of the counterweight of the crankshaft relative to the reciprocating mass of the piston is set to 50%, and the remaining 50% is rotated reversely at the same speed as the crankshaft.
- a balancer-shaft is proposed in Japanese Patent Application Laid-Open No. 63-192,693.
- Another way to meet the above requirement is to attach the body frame to the mounting bracket.
- the purpose is to make the rigidity of the elastic body to be supported anisotropic.
- the rigidity of the elastic body is hardened in the direction in which the thrust generated by the propeller is transmitted to the hull (front-rear direction) and softened in the direction perpendicular to it (left-right direction), so that the thrust is effectively transmitted to the hull.
- Japanese Patent Application Laid-Open No. 2-37096 proposes a device that prevents transmission of vibration in the left-right direction to the hull.
- the present invention has been made in view of the above circumstances, and has an outboard motor capable of effectively transmitting the thrust generated by a propeller to a hull while effectively reducing the transmission of vibration generated by an engine.
- the purpose is to provide.
- an outboard motor main body an engine mounted on the outboard motor main body, mounting means detachably mounted on the hull, and a pair of left and right elastic bodies are provided.
- An outboard motor provided with a mounting device for supporting the outboard motor body in the mounting means, wherein the engine has a crankshaft arranged vertically, a cylinder head facing rearward, and a cylinder axis parallel to the propeller axis.
- the balance between the reciprocating inertial mass of the piston and the rotational inertial mass of the crankshaft is set to approximately 100%, and the elastic bodies are disposed on both left and right sides of the engine.
- the rigidity of the mounting device is such that the rigidity in the tangential direction centered on the virtual center point of vibration in the high engine speed range is lower than the rigidity in the radial direction centered on the virtual center point of the vibration.
- Outboard motor is proposed, characterized in that it is a constant.
- the inertial force in the front-rear direction generated by the reciprocating inertial mass of the piston Is converted into lateral inertial force by the rotational inertial mass of the crankshaft, and the inertial force in the left and right directions causes the outboard motor body equipped with the engine to vibrate in the horizontal direction about the virtual center point of vibration.
- the rigidity of the mounting device which has elastic bodies disposed on the left and right sides of the engine that elastically supports the outboard motor body on the mounting means attached to the hull, is determined by the tangential direction centered on the virtual center point of vibration.
- the rigidity is set lower than the radial rigidity centered on the virtual center point of the vibration, the horizontal vibration centered on the virtual center point of the vibration is effectively reduced by the low rigidity of the mounting device. Therefore, the ride comfort of the body can be improved.
- the thrust acting in the front-rear direction parallel to the propeller axis is transmitted to the hull via the mounting device, but the rigidity of the mounting device along the direction of the thrust is set to be high. Thrust can be effectively transmitted to the hull.
- an angle formed by a straight line extending forward from the virtual center point of the vibration and a straight line extending toward the elastic body from the virtual center point of the vibration is less than 45 °.
- the angle formed by the straight line extending forward from the virtual center point of the vibration and the virtual center point force and the straight line extending toward the elastic body is less than 45 °.
- the displacement between the direction of the straight line extending forward from the virtual center point and the direction of the highest rigidity of the mounting device (the direction of the straight line extending from the virtual center point toward the elastic body) is reduced, and the thrust is more effectively reduced.
- an outboard motor main body an engine mounted on the outboard motor main body, a swivel shaft for pivotally supporting the outboard motor main body to the hull, a mount arm integrated with the swivel shaft,
- An outboard motor comprising: a mounting device having an elastic body to support the outboard motor main body on the mount arm; and a steering handle connected to the mount arm to swing the outboard motor main body around the swivel axis.
- the crankshaft is arranged vertically, the cylinder axis is arranged in the front-back direction parallel to the propeller axis with the cylinder head facing backward, and the balance between the reciprocating inertial mass of the piston and the rotating inertial mass of the crankshaft is balanced.
- the elastic body is arranged on both left and right sides of the engine, the rigid blade of the mounting device, and the Tangential stiffness, virtual center of the vibration, the center of which is the virtual center point of the dynamic
- An outboard motor has been proposed in which the rigidity in the radial direction about the point is set to be lower, and the swivel axis is arranged on an arc passing through the elastic body with the virtual center point of the vibration as the center.
- the inertial force in the front-rear direction generated by the reciprocating inertial mass of the piston is converted into the left-right inertial force by the rotating inertial mass of the crankshaft.
- the main unit vibrates left and right around the virtual center point of vibration.
- the rigidity of the mount device having the elastic bodies disposed on the left and right sides of the engine to elastically support the outboard motor body on the hull has a rigidity in a tangential direction centered on a virtual center point of the vibration.
- the rigidity in the radial direction centered on the virtual center point of the vibration is set lower, the horizontal vibration centered on the virtual center point of the vibration is effectively reduced by the low rigidity of the mounting device, and the hull The ride quality can be improved.
- the thrust acting in the front-rear direction parallel to the propeller axis is transmitted to the hull via the mounting device, but since the rigidity of the mounting device along the direction of the thrust is set high, the rigidity of the mounting device is high. The thrust can be effectively transmitted to the hull.
- the mount arm swings around the swivel axis due to the vibration transmitted through the mounting device to the mount arm. Therefore, vibration transmission to the steering wheel connected to the mount arm can be minimized.
- a cover member is fastened to the rear surface of the lower end of the extension case connected to the outboard motor body to form a space with a closed horizontal section, and a mount block provided at the lower end of the swivel shaft is provided.
- An outboard motor characterized by being held in the space is proposed.
- the cover is fastened to the extension case, a highly rigid box-like structure with a closed horizontal cross section is obtained. Can be effectively prevented.
- the engine support block 41 of the embodiment corresponds to the outboard motor body of the present invention
- the mounting bracket 55 of the embodiment corresponds to the mounting means of the present invention
- the upper mount 65 of the embodiment corresponds to the present invention.
- Upper mounting rubber 7 4 Corresponds to the elastic body of the present invention.
- FIG. 1 is an overall side view of an outboard motor
- FIG. 2 is an enlarged sectional view of a main part of FIG. 1
- FIG. 3 is 3_3 of FIG. 4 is an enlarged view of the main part of FIG. 1
- FIG. 5 is a cross-sectional view of the line 5-5 in FIG. 4
- FIG. 6 is a cross-sectional view of the line 6-6 in FIG. 2
- FIG. 7 is an enlarged view of the main part of FIG.
- Fig. 8 is a cross-sectional view taken along line 8-8 in Fig. 7
- Fig. 9 is a cross-sectional view taken along line 9-9 in Fig. 7,
- Fig. 10 is a perspective view of the upper mount rubber
- Fig. 1 is an overall side view of an outboard motor
- FIG. 2 is an enlarged sectional view of a main part of FIG. 1
- FIG. 5
- FIG. 11 is a magnified view of Fig. 1.
- Fig. 12 is a sectional view taken in the direction of arrow 12 in Fig. 11
- Fig. 13 is a sectional view taken along line 13--13 in Fig. 11, and
- Fig. 14 is an explanatory view of the vibration reducing action.
- FIGS. 15 and 16 show a second embodiment of the present invention.
- FIG. 15 is a view corresponding to FIG. 12, and
- FIG. 16 is a sectional view taken along line 16—16 of FIG. is there.
- the two-cylinder four-cycle engine E mounted on the upper part of the outboard motor ⁇ is connected to the cylinder block 11 with the crankcase 1 and the cylinder block 11 Cylinder head 1 2 and a head cover 13 coupled to the cylinder head 12, and two cylinder pores 1 1 2 , 1 1 formed in the cylinder block 11.
- the two pistons 14, 14, which are slidably fitted to 2 are connected to the crankshaft 15, which is supported by the cylinder block 11, via connecting rods 16, 16.
- a generator 17 and a recoil star 18 are provided coaxially at the shaft end of a crankshaft 15 projecting upward from the cylinder block 11.
- a camshaft 20 is supported in a valve operating chamber 19 defined between the cylinder head 12 and the head cover 13, and is provided above the cam pulley 21 and the crankshaft 15 provided at the upper end thereof.
- the timing belt 23 is connected to the crank pulley 22.
- An intake valve 26 and an exhaust valve 27 for opening and closing the intake port 24 and the exhaust port 25 formed in the cylinder head 12 are respectively provided on the camshaft 20 with an intake port arm — arm 2 8 And the exhaust port is connected through an arm 29.
- Air cleaner 30 located on the right side of engine E, throttle valve 31 and damper 32 is connected to the intake port 24.
- Axis of the crankshaft 1 5 is arranged in the vertical direction, and the cylinder bores 1 1 2, 1 1 2 axes, the crankcase 1 1, before and after as head 1 2 side side is facing forward into the cylinder faces the rear Placed in the direction.
- the crank phases of the two pistons 14 and 14 are the same, and their ignition timings are shifted by 360 °.
- the crankshaft 15 is provided with a counterweight of 100% against the reciprocating mass of the pistons 14 and 14, and weights 15 and so on, so that the pistons 14 and 14 can reciprocate.
- the accompanying primary vibration in the front-rear direction is offset by the rotational movement of the counterweights 15 ...
- the engine E has no balancer device other than the counterweights 15,... Of the crankshaft 15. Therefore, the vibration generated by the engine E is small in the front-rear direction and large in the left-right direction.
- the upper surface of the engine support block 41 is coupled to the lower surface of the engine E having the above structure
- the upper surface of the extension case 42 is coupled to the lower surface of the engine support block 41
- the gear case is coupled to the lower surface of the extension case 42.
- 43 The top surfaces of 3 are joined.
- the outer periphery of the engine support block 41 and the outer periphery of the lower half of the engine E are covered by an under cover 44 connected to the upper end of the extension case 42, and connected to the upper end of the under cover 44.
- the upper half of Engine E is covered by the new engine cover 45.
- the engine support block 41 is integrally provided with an oil pan 41, in which a suction pipe 47 having an oil strainer 46 is housed.
- An exhaust passage forming member 48 is connected to the rear surface of the engine support block 41, and an exhaust expansion chamber 49 is defined inside the extension case 42 via a partition wall 42.
- Exhaust gas discharged from the exhaust port 2 5 is supplied from the exhaust passage 1 1 3 formed in the cylinder block 1 1 inside the exhaust passage member 4 8, Ikusute down Chillon Case 4 second exhaust expansion therefrom The water is discharged into the external water through the chamber 49 and the hollow portion of the propeller shaft 53 described later.
- the propeller shaft 53 is provided with a propeller 52 at a rear end thereof and is supported by a gear case 43 in the front-rear direction.
- the propeller shaft 53 is connected to a front end of the propeller shaft 53 via a forward / reverse switching mechanism 54.
- the mounting bracket 55 for detachably mounting the outboard motor ⁇ to the hull S is composed of an inverted J-shaped mounting bracket body 56 and this mounting bracket.
- a push screw 57 is screwed onto the main body 56.
- the front end of a swing arm 59 is pivotally supported on the mounting bracket body 56 via a fulcrum pin 58, and a pipe-shaped swivel case 60 is connected to the body at the rear end of the swing arm 59.
- the mounting bracket body 56 is provided with a number of pin holes 56,..., And the pin holes formed in the locking plate 60 fixed to the swivel case 60 and any of the mounting bracket bodies 56 are provided.
- the swivel shaft 62 which is rotatably fitted inside the swivel case 60, has a mount arm 63 and a mount block 64 at its upper and lower ends, respectively.
- the upper mount arm 63 is elastically connected to the engine support block 41 via a pair of left and right upper mounts 65, 65 of the upper mount arm 63, and the lower mount block 64 is extended via the lower mount 66. It is elastically connected to case 42.
- a steering handle 67 is fixed to the front end of the engine support block 41, and when the steering handle 67 is gripped and operated left and right, the engine support block 41 is swung right and left around the swivel shaft 62.
- the outboard motor ⁇ can be steered.
- Engine support block 4 1 pair of overhanging portions 4 1 projecting forward and upward, 4 1 2 provided with a respective projecting portion 4 1 2, 4 1 2 mule one housing section 71, 7 1 is formed.
- upper mount rubbers 74, 74 each having a substantially rectangular parallelepiped shape are provided on both left and right ends of the mount arm 63 so as to cover the cores 73, 73 fixed with bolts 72, 72, respectively.
- the angle ⁇ between the straight line and the straight lines L 2 and L 2 is set to be small (less than 45 °).
- L 3 is a circular arc passing through the center of the upper mount rubber 74, 74 around a virtual center point C, Suiberu shaft 62 is located on the arc L 3.
- each upper mount rubber 74 has front projections 75, 76 extending vertically left and right, and rear projections 77, 78 extending vertically left and right. At both ends of the projection 75, projections 75,, 75, projecting in the left-right direction are further formed. At both ends of the projection 76, projections 76,, 76, projecting further in the left-right direction are formed. Protrusions 77, 77, projecting in the left-right direction are further formed at both ends, and projections 78, 78, 78 projecting in the left-right direction are formed at both ends of the projection 78.
- the upper two projections 75 and 77 are in line contact with the front wall 71 2 and the rear wall 71 3 of the rubber container 71, respectively (see Fig. 9).
- the upper mount rubber 74 to the overall collapse of the projections 75, 77 exert a greater rigidity relatively.
- the outer wall 71 4 and the inner wall 71 5 mule one housing portion 71, left and right end convex portion 75 ,, 75 of the upper of the two projections 75, 77;
- a mount block 64 is fitted to the lower end of a swivel shaft 62 projecting downward from the swivel case 60, and is fixed by two ports 79,79.
- Lower mounting rubbers 80, 80 are provided so as to cover the outer circumferences of the cores 64, 64, which protrude left and right from the lower end of the mounting block 64.
- a pair of left and right rubber storage portions 4 2 2 and 4 2 2 are formed on the rear surface of the lower end portion of the extension case 4 2.
- a lower mount rubber that fits into the rubber storage portions 4 2 2 and 4 2 2 from behind.
- a pair of left and right cover members 81, 81 are fastened to the extension case 42 with bolts 82, 82, respectively, to fix 80, 80.
- the lower end of the extension case 42 is elastically supported by the lower end of the swivel shaft 62 via the lower mount 66 having the lower mount rubbers 80, 80.
- the inertia force a generated by the reciprocation of the pistons 14, 14 in the direction of the straight line L (the front-rear direction) with the operation of the engine E is equal to the balance ratio 100% provided on the crankshaft 15. Since the inertia force in the direction of the straight line L generated by the rotation of the counter one weight 15,... Is offset, the primary vibration in the straight direction eventually becomes relatively small. However, the inertial forces c and d in the left and right directions generated by the rotation of the counterweights 1 5,... of the crankshaft 15 cause the outboard motor O to move around the virtual vibration center C as an arc L This vibration is transmitted to the hull S via the mounting bracket 55 in order to vibrate in three directions (left and right directions).
- the virtual center of vibration C is the engine E as the vibration source, It can be considered. Although the position of the virtual vibration center C moves in accordance with the operation state of the engine E, in this embodiment, the position of the virtual vibration center C in the high-speed engine rotation region (above 300 rpm) where the vibration isolation performance of the engine E is particularly problematic is considered. Vibration center C is targeted.
- the vibration of the engine E described above is transmitted from the upper mounts 65, 65 and the lower mount 66 to the hull S via the mounting bracket 55.
- the upper mount rubbers of the upper mounts 65, 65 The vibration is reduced by the lower mount rubbers 80, 80 of the lower mounts 74, 74 and the lower mount 66, and the vibration transmitted to the hull S is reduced.
- the vibration in the left-right direction is effectively reduced by the upper mounts 65, 65 close to the engine E, which is the vibration source.
- the upper mount rubbers 74 and 74 are straight and have high rigidity along the 2 and 2 directions, vibration in the front-rear direction cannot be effectively reduced. Since the longitudinal vibration of E is suppressed by the count of the crankshaft 15 and the weights 15,..., The longitudinal vibration may be transmitted to the hull S through the upper mantle rubbers 74, 74. There is no.
- the left and right vibrations that could not be absorbed by the upper mount rubbers 7 4 and 7 4 are transmitted to the mount arm 6 3 from the metal cores 7 3 and 7 3, but a swivel shaft that supports the mount arm 6 3 in a swingable manner.
- 6 2 axes upper mount mule one 7 4, 7 the through 4 of the center since it is arranged on the circular arc L 3, upper mount rubber 7 4, 7 mounted by vibration in the lateral direction which has not been absorbed by the 4
- the swing of the arm 63 can be minimized, so that the steering hand connected to the mount arm 63 can be controlled. Vibration transmission to dollars 6 and 7 can be minimized.
- the axis of the swivel shaft 62 that supports the mount arm 63 is connected to an arc passing through the center of the upper rubber mount 74, 74.
- the thrusts e and f in the front-rear direction generated by the propeller 52 are also transmitted to the hull S via the upper mount rubbers 74 and 74, but the upper mount rubbers 74 and 74 are straight lines L 2 and the rigidity along the L 2 direction is set high, it is possible to transmit the thrust e, effectively hull S side f.
- the directions of the straight lines L 2 , L 2 at which the rigidity of the upper mount rubbers 74, 74 become maximum are shifted by angles a, ⁇ with respect to the directions of the thrusts e, f, but the angles ⁇ , ⁇ ; In this sense, the angle ⁇ and the angle ⁇ are desirably small, and the maximum value is desirably suppressed to 45 ° or less.
- the simple structure that gives the anisotropy to the rigidity of the upper mount rubbers 74, 74 of the upper mounts 65, 65 without the need for a special balancer device that increases the weight and cost.
- the simple structure that gives the anisotropy to the rigidity of the upper mount rubbers 74, 74 of the upper mounts 65, 65 without the need for a special balancer device that increases the weight and cost.
- the thrusts e and f of the propeller 52 while effectively transmitting the thrusts e and f of the propeller 52 to the hull S, it is possible to make it difficult for the vibration of the engine E to be transmitted to the hull S and the steering handle 67.
- the second embodiment is characterized by the structure of the lower mount 66.
- the left and right ends of the mount block 64 are held by a pair of cover members 81, 81.
- the integrated single cover member 8 1 ′ is fastened to the rear surface of the lower end of the extension case 42 with four bolts 8 2... to hold the mounting block 64. Has become.
- the cover member 8 1 ′ has an opening. Instead, cover the rear of the mounting block 6 4 completely.
- the extension case 4 and the cover member 8 1 ′ cooperate to form a box having a closed horizontal section. Shape, and its rigidity is increased. As a result, the mount block 64 can be firmly held between the extension case 4 and the cover member 8 1 ′ to effectively prevent the occurrence of resonance.
- the present invention can be applied to an outboard motor in which the crankshaft of the engine is arranged in the vertical direction and the cylinder axis of the engine is arranged in the front-rear direction.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- Vibration Prevention Devices (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002384979A CA2384979C (en) | 1999-09-24 | 2000-09-22 | Outboard engine system |
EP00961210A EP1219536B1 (en) | 1999-09-24 | 2000-09-22 | Outboard motor |
DE60045158T DE60045158D1 (de) | 1999-09-24 | 2000-09-22 | Aussenbordmotor |
US10/088,084 US6645019B1 (en) | 1999-09-24 | 2000-09-22 | Outboard engine system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11/270875 | 1999-09-24 | ||
JP27087599A JP4093520B2 (ja) | 1999-09-24 | 1999-09-24 | 船外機 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001021482A1 true WO2001021482A1 (fr) | 2001-03-29 |
Family
ID=17492194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/006531 WO2001021482A1 (fr) | 1999-09-24 | 2000-09-22 | Moteur hors-bord |
Country Status (6)
Country | Link |
---|---|
US (1) | US6645019B1 (ja) |
EP (1) | EP1219536B1 (ja) |
JP (1) | JP4093520B2 (ja) |
CA (1) | CA2384979C (ja) |
DE (1) | DE60045158D1 (ja) |
WO (1) | WO2001021482A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10245797B4 (de) * | 2002-10-01 | 2004-09-16 | Robert Bosch Gmbh | Vorrichtung zur schwingungsdämpfenden Anordnung eines Aggregats und mit derartigen Vorrichtungen ausgestattetes Aggregat |
JP2006046326A (ja) | 2004-07-09 | 2006-02-16 | Yamaha Motor Co Ltd | 1次バランサ付きエンジンおよび自動二輪車 |
JP4309319B2 (ja) | 2004-08-23 | 2009-08-05 | 本田技研工業株式会社 | 船外機 |
US7238072B1 (en) | 2006-03-16 | 2007-07-03 | Brunswick Corporation | Mounting system for a marine engine |
WO2008123059A1 (ja) * | 2007-03-19 | 2008-10-16 | Yamaha Hatsudoki Kabushiki Kaisha | 自動二輪車 |
US7896304B1 (en) | 2008-08-19 | 2011-03-01 | Brunswick Corporation | Marine propulsion support mount system |
JP5468441B2 (ja) * | 2010-03-31 | 2014-04-09 | 本田技研工業株式会社 | 内燃機関のクランクケース |
US8820701B1 (en) * | 2012-11-28 | 2014-09-02 | Brunswick Corporation | Mounts, mounting arrangements, and methods of making mounting arrangements for supporting outboard motors with respect to marine vessels |
JP6036243B2 (ja) * | 2012-12-06 | 2016-11-30 | スズキ株式会社 | 船外機のマウント装置 |
US20150354663A1 (en) * | 2014-06-05 | 2015-12-10 | Hyundai Motor Company | Engine cover for absorbing vibration and assembling method thereof |
JP2017213949A (ja) * | 2016-05-30 | 2017-12-07 | スズキ株式会社 | 船外機 |
JP2018192914A (ja) | 2017-05-17 | 2018-12-06 | ヤマハ発動機株式会社 | 船外機 |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63192693A (ja) | 1987-02-03 | 1988-08-10 | Honda Motor Co Ltd | 船外機 |
JPH0237096A (ja) | 1988-07-27 | 1990-02-07 | Honda Motor Co Ltd | 船外機 |
JPH05278685A (ja) * | 1992-04-03 | 1993-10-26 | Honda Motor Co Ltd | 船外機 |
JPH074425A (ja) * | 1991-05-31 | 1995-01-10 | Suzuki Motor Corp | クランクシャフトのバランス構造 |
JPH0761797B2 (ja) * | 1988-11-07 | 1995-07-05 | 本田技研工業株式会社 | 船外機の連結構造 |
JPH08285015A (ja) * | 1995-04-19 | 1996-11-01 | Toyota Motor Corp | 内燃機関のクランクシャフト |
JP2710346B2 (ja) * | 1988-07-27 | 1998-02-10 | 本田技研工業株式会社 | 船外機 |
JPH10252496A (ja) * | 1997-01-10 | 1998-09-22 | Sozoan:Kk | 回転運動機構およびエンジン |
US5850764A (en) * | 1995-12-22 | 1998-12-22 | Bombardier-Rotax Gesellschaft M.B.H. | Crankshaft drive for an internal combustion engine |
JPH1199990A (ja) * | 1990-04-25 | 1999-04-13 | Honda Motor Co Ltd | 船外機の弾性マウントを介した連結構造 |
JP2885293B2 (ja) * | 1991-05-08 | 1999-04-19 | 本田技研工業株式会社 | 船外機 |
JP2892074B2 (ja) * | 1990-01-26 | 1999-05-17 | 本田技研工業株式会社 | 船外機 |
JP2905257B2 (ja) * | 1990-04-25 | 1999-06-14 | 本田技研工業株式会社 | 船外機の弾性マウントを介した連結構造 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3062173A (en) * | 1960-06-06 | 1962-11-06 | Kiekhaefer Corp | Mounting for outboard motors |
US3246915A (en) * | 1963-08-06 | 1966-04-19 | Kiekhaefer Corp | Outboard propulsion units for boats |
US3269350A (en) * | 1964-07-13 | 1966-08-30 | Outboard Marine Corp | Engine |
JP3704535B2 (ja) * | 1996-04-30 | 2005-10-12 | ヤマハマリン株式会社 | 船外機のマウント構造 |
-
1999
- 1999-09-24 JP JP27087599A patent/JP4093520B2/ja not_active Expired - Fee Related
-
2000
- 2000-09-22 WO PCT/JP2000/006531 patent/WO2001021482A1/ja active Application Filing
- 2000-09-22 EP EP00961210A patent/EP1219536B1/en not_active Expired - Lifetime
- 2000-09-22 CA CA002384979A patent/CA2384979C/en not_active Expired - Fee Related
- 2000-09-22 DE DE60045158T patent/DE60045158D1/de not_active Expired - Lifetime
- 2000-09-22 US US10/088,084 patent/US6645019B1/en not_active Expired - Lifetime
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63192693A (ja) | 1987-02-03 | 1988-08-10 | Honda Motor Co Ltd | 船外機 |
JPH0237096A (ja) | 1988-07-27 | 1990-02-07 | Honda Motor Co Ltd | 船外機 |
JP2710347B2 (ja) * | 1988-07-27 | 1998-02-10 | 本田技研工業株式会社 | 船外機 |
JP2710346B2 (ja) * | 1988-07-27 | 1998-02-10 | 本田技研工業株式会社 | 船外機 |
JPH0761797B2 (ja) * | 1988-11-07 | 1995-07-05 | 本田技研工業株式会社 | 船外機の連結構造 |
JP2892074B2 (ja) * | 1990-01-26 | 1999-05-17 | 本田技研工業株式会社 | 船外機 |
JPH1199990A (ja) * | 1990-04-25 | 1999-04-13 | Honda Motor Co Ltd | 船外機の弾性マウントを介した連結構造 |
JP2905257B2 (ja) * | 1990-04-25 | 1999-06-14 | 本田技研工業株式会社 | 船外機の弾性マウントを介した連結構造 |
JP2885293B2 (ja) * | 1991-05-08 | 1999-04-19 | 本田技研工業株式会社 | 船外機 |
JPH074425A (ja) * | 1991-05-31 | 1995-01-10 | Suzuki Motor Corp | クランクシャフトのバランス構造 |
JPH05278685A (ja) * | 1992-04-03 | 1993-10-26 | Honda Motor Co Ltd | 船外機 |
JPH08285015A (ja) * | 1995-04-19 | 1996-11-01 | Toyota Motor Corp | 内燃機関のクランクシャフト |
US5850764A (en) * | 1995-12-22 | 1998-12-22 | Bombardier-Rotax Gesellschaft M.B.H. | Crankshaft drive for an internal combustion engine |
JPH10252496A (ja) * | 1997-01-10 | 1998-09-22 | Sozoan:Kk | 回転運動機構およびエンジン |
Non-Patent Citations (1)
Title |
---|
See also references of EP1219536A4 * |
Also Published As
Publication number | Publication date |
---|---|
DE60045158D1 (de) | 2010-12-09 |
EP1219536B1 (en) | 2010-10-27 |
EP1219536A1 (en) | 2002-07-03 |
EP1219536A4 (en) | 2006-10-25 |
JP4093520B2 (ja) | 2008-06-04 |
CA2384979C (en) | 2004-11-23 |
JP2001088787A (ja) | 2001-04-03 |
CA2384979A1 (en) | 2001-03-29 |
US6645019B1 (en) | 2003-11-11 |
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