CN101377182B - Engine and straddle type vehicle - Google Patents

Engine and straddle type vehicle Download PDF

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Publication number
CN101377182B
CN101377182B CN2008102139564A CN200810213956A CN101377182B CN 101377182 B CN101377182 B CN 101377182B CN 2008102139564 A CN2008102139564 A CN 2008102139564A CN 200810213956 A CN200810213956 A CN 200810213956A CN 101377182 B CN101377182 B CN 101377182B
Authority
CN
China
Prior art keywords
oil pump
mounting portion
motor
ckp
crankcase
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 - Fee Related
Application number
CN2008102139564A
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Chinese (zh)
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CN101377182A (en
Inventor
石塚泰志
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 Motor Co Ltd
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Yamaha Motor 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
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Publication of CN101377182A publication Critical patent/CN101377182A/en
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Publication of CN101377182B publication Critical patent/CN101377182B/en
Expired - Fee Related legal-status Critical Current
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00Component parts, details or accessories, not otherwise provided for
    • F02B77/08Safety, indicating or supervising devices
    • F02B77/087Safety, indicating or supervising devices determining top dead centre or ignition-timing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/009Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/02Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles

Abstract

The invention provides an engine that is capable of reducing the swing of a crank angle sensor, an engine 10 includes an oil pump cover 40 at a right side section of a crank case 21. A crank angle sensor 70 is attached to sensor attachment sections 42a, 42b that are formed in the oil pump cover 40.

Description

Motor and Straddle-type vehicle
Technical field
The present invention relates to a kind of motor and a kind of Straddle-type vehicle.
Background technique
In known technology, the motor of motorcycle etc. is provided with a CKP that detects the corner of bent axle.The corner that detection obtains is used for the ignition timing control and the fuel injection control of motor.For example CKP is installed to from the extended mounting portion of crankcase, and towards the member that rotates with bent axle such as generator amature.
[patent documentation 1] Japan Patent No.2649527
Summary of the invention
[the problem to be solved in the present invention]
Yet when CKP was installed to from crankcase on the extended mounting portion, relatively long distance need be extended along bent axle in the mounting portion.As a result, CKP is owing to the vibration that receives vehicle body tends to swing.
In addition, CKP is installed to the capping that is used for covering engine in the patent documentation 1 disclosed technology.Yet, equally in this case, owing to the vibration of capping makes the swing of CKP trend.
In view of the foregoing design the present invention, and the object of the present invention is to provide the motor and the Straddle-type vehicle that can alleviate the CKP swing.
[means of dealing with problems]
In order to address the above problem, motor according to the present invention is characterised in that and comprises: the crankcase that supports bent axle; Detect the CKP of the corner of bent axle in the inspection positions of determining; And member, it has jack, and is arranged on than crankcase more near a side of detection position.CKP is installed to the mounting portion that forms in the described member.
According to the present invention, the mounting portion that crankshaft sensor is installed is formed on and is arranged at than crankcase more on the member near a side of detection position.Therefore, compare the mounting portion, can make the mounting portion shorter from the situation that crankcase extends.Thereby the swing of CKP can be reduced.
In addition, according to an aspect of the present invention, described member can be the oil pump cover that is used for sealing the oil pump room that is formed on crankcase.This configuration allows oil pump cover also to be used as above-mentioned member.
In aspect this, be contained in the oil pump in the oil pump room and be formed on mounting portion in the oil pump cover and can be positioned at same side with respect to bent axle.According to this configuration,, needn't do too much so cover the oil pump cover of oil pump because mounting portion and oil pump are positioned at same side.
In addition, according to an aspect of the present invention, the jack of described member is formed on the position away from core.This configuration guarantees to be used to form the space of mounting portion easily.
In addition, according to an aspect of the present invention, described member is plate-like, and comprises the jack of the position that is positioned at the Off center part.This configuration guarantees to be used to form the space of mounting portion easily.
In these areas, the mounting portion can be positioned at a side opposite with jack with respect to core.This configuration can guarantee to be arranged on the space between bent axle and the attachment portion.
In addition, according to an aspect of the present invention, also be provided with the fan that rotates with bent axle.The mounting portion is formed on the position that is positioned at away from air-flow path, and the air-flow that is produced by the rotation of fan flows to cylinder one side from crankcase one side by air-flow path.This configuration can be avoided being mounted part and CKP stops from crankcase one effluent to the air-flow of cylinder one side.
In addition, according to an aspect of the present invention, also be provided with the fan that rotates with bent axle.Guiding wall to the air-flow channeling conduct that produced by the rotation of fan is formed on the described member, and attachment portion and guiding wall are formed adjacent to each other on by guiding wall steering flow direction.This configuration makes mounting portion, CKP and guiding wall energy steering flow.
In aspect this, CKP can be installed on the mounting portion, makes that at least a portion of CKP is outstanding to the dorsal part of a side of air-flow being guided into by guiding wall.This configuration makes attachment portion and CKP can guide more air-flows.
In addition, according to an aspect of the present invention, utilized locating stud with respect to after the crankcase location, described component groups has been installed to crankcase at described member.
In addition, Straddle-type vehicle according to the present invention is any the Straddle-type vehicle that comprises in the above-mentioned motor.The example of Straddle-type vehicle comprises motorcycle (comprising scooter type (scooter)), four wheeler (four-wheeled buggy) (All-terrain car) and snowmobile.The invention provides a kind of Straddle-type vehicle that can reduce the swing of CKP in the motor.
Description of drawings
Fig. 1 is the schematic side elevation according to the Straddle-type vehicle of the embodiment of the invention.
Fig. 2 is the right side view according to the motor of the embodiment of the invention.
Fig. 3 is the viewgraph of cross-section along the line III-III among Fig. 2.
Fig. 4 is the viewgraph of cross-section along the line IV-IV among Fig. 2.
Fig. 5 is assembled to the schematic representation of the state in the right side case of crankcase for the expression oil pump cover.
Fig. 6 is the schematic representation of right side case.
Fig. 7 is the schematic representation of oil pump cover.
Fig. 8 is the partial enlarged view of Fig. 4.
Fig. 9 is the partial cross-sectional view along the line IX-IX among Fig. 5.
Description of reference numerals
1 motorcycle (example of Straddle-type vehicle), 2 front forks, 3 front-wheels, 4 handlebars, 6 rear suspension, 7 seats, 8 postbrachiums, 9 trailing wheels, 10 motors, 21 crankcases, 21a left side case, 21b right side case, 22 bent axles, 22a, the 22b axial region, 23 connecting rods, 24 cylinders, 25 pistons, 26b right side part, 27 cylinder head, 28 igniters, 30 oil pump rooms, 32 actuation gears, 34 driven gears, 36 oil pumps, 40 oil pump covers (example of member), 42a, 42b sensor mounting portion, 43 stator mounting portions, 44 jacks, 46 screws, 47 locating studs, 49 guiding walls, 50 generators, 52 stators, 55 rotors, 60 fans, 61 blades, 62 mounting portions, 70 CKP, 72,73 supports, 80 cappings, 82a upper end part, 82b end portion, 85 air inlet ports, 87 insert opening, 88 exhaust ports, 90 outlet pipes, 92 axle sleeve parts, 95 oil conservators, 98 air-flow paths, 100 Dynamo Rooms, 211a, 211b, the 211c wall, 221 crankpins, 222a, the 222b crankweb, 271 firing chambers, 290 annulus parts, 291 open parts, 293 jacks, 295 mounting portions, 296 pin-and-holes, 298 oil pump mounting portions, the 298a inhalation port, 298b discharges port, the 298d suction passage, 551 projections, 557 annular portions, 558 magnets
Embodiment
Embodiments of the invention are described with reference to the accompanying drawings.
Fig. 1 is the schematic side elevation of the motorcycle 1 of the embodiment of Straddle-type vehicle according to the present invention.Motorcycle 1 comprises the front fork 2 that is arranged in vehicle body the place ahead (figure is by the direction shown in the F).Front-wheel 3 quilt axles are supported on the lower end of front fork 2, and handlebar 4 is installed to the upper end of front fork 2.In addition, motorcycle 1 comprises the vehicle seat 7 that is positioned at the vehicle body middle part, and is arranged on vehicle seat 7 belows according to the motor 10 of the embodiment of the invention.
Motor 10 is supported for by the pivot (not shown) that is installed to body shell and makes motor 10 to swing on above-below direction.Postbrachium 8 is arranged at the rear of motor 10, and trailing wheel 9 is supported on the rear end of postbrachium 8 by axle.In addition, rear suspension 6 is arranged between the rear end of the rear end of body shell and postbrachium 8.
Fig. 2 is the right side view according to the motor 10 of the embodiment of the invention.Among the figure, be illustrated by the broken lines the structure of capping 80 inboards on covering engine 10 right sides.Fig. 3 is the sectional view along the line III-III among Fig. 2.Fig. 4 is the sectional view along the line IV-IV among Fig. 2.
The schematic representation of Fig. 5 has illustrated the state in the right side case 21b that oil pump cover 40 is assembled to crankcase 21.In addition, as shown in the figure, CKP 70 is installed to oil pump cover 40.Fig. 6 is the schematic representation of right side case 21b.Fig. 7 is the schematic representation of oil pump cover 40.
Fig. 8 is the partial enlarged view of Fig. 4.Fig. 9 is the partial sectional view along the line IX-IX among Fig. 5.These figure show CKP 70 and sensor mounting portion 42a, 42b.
As shown in Figures 2 and 3, in motor 10, crankcase 21, cylinder 24 and cylinder head 27 with this order towards the vehicle front setting.Piston 25 is arranged in the cylinder 24, and firing chamber 271 is formed between piston 25 and the cylinder head 27.When the air-fuel mixture in the firing chamber 271 was lighted by igniter 28 and burnt, piston 25 moved back and forth in cylinder 24.
Piston 25 is connected to the bent axle 22 that is rotatably supported by crankcase 21 by connecting rod 23.Therefore, bent axle 22 rotates along with moving back and forth of piston 25.
Bent axle 22 comprises crankpin 221, a pair of crankweb 222a, 222b, with a pair of axial region 22a, 22b, connecting rod 23 is connected to crankpin 221, a pair of crankweb 222a, 222b are arranged to and place it between the two crankpin 221, and a pair of axial region 22a, 22b extend from each crankweb 222a, the 222b outside on vehicle-width direction.
Crankcase 21 is divided into left part and right part, and comprises left side case 21a and right side case 21b.A pair of crankweb 222a, 222b that left side case 21a and right side case 21b are arranged to bent axle 22 place it between the two.
The axial region 22a in bent axle 22 left sides is supported by left side case 21a axle, and stretches out towards the left side from left side case 21a.The power transmitting deice (not shown) is installed to axial region 22a, and transmits the power that is produced by motor 10 to trailing wheel 9.
On the other hand, the axial region 22b on bent axle 22 right sides is inserted in the patchhole 293 that is formed at right side case 21b.Axial region 22b is supported by right side case 21b axle, and stretches out towards the right side from right side case 21b.As described later, generator 50 is arranged on the axial region 22b.
Capping 80 is installed in the right side of motor 10.Capping 80 has covered the major part on crankcase 21, cylinder 24 and cylinder head 27 right sides.Between capping 80 and crankcase 21, cylinder 24 and cylinder head 27, form Dynamo Room 100.
Rear, top and the front lower place at the edge of the right side 26b that wall 211a, 211b that the outside on vehicle-width direction is outstanding and 211c are formed on right side case 21b.The edge of capping 80 is fixed to these walls.In addition, an air inlet port 85 outside air being introduced Dynamo Room 100 is formed on the lid 80 near being positioned at axial region 22b small end.
In addition, igniter 28 insertion opening 87 wherein that inserts and the exhaust port 88 that is connected to the relief opening in the cylinder head 27 are being formed in the capping 80 near the cylinder head 27.Outlet pipe 90 is installed to (referring to Fig. 2) on the exhaust port 88.
In addition, as shown in Figure 6, circular portion 290 and open part 291 are formed among the right side part 26b of right side case 21b.Circular portion 290 comprises the jack 293 that axial region 22b is inserted more than the heart part therein.Open part 291 extends to the outside on the vehicle-width direction of circular portion 290, with around circular portion 290.In addition, formed the pump mounting portion 298 that the center on vehicle-width direction is recessed into below the jack in circular portion 290 293.As shown in Figure 4, gerotor type oil pump 36 is mounted to pump mounting portion 29.
The oil pump cover 40 of plate-like is assembled in the open part 291.Between circular portion 290 and oil pump cover 40, form oil pump room 30.Oil pump cover 40 is examples of member among the present invention.In addition, jack 44 with circular portion 290 in jack 293 corresponding positions be formed in the oil pump cover 40, and axial region 22b is inserted in the jack 44.
Except oil pump 36, actuation gear 32 and driven gear 34 also are contained in the oil pump room 30, thereby actuation gear 32 and driven gear 34 are meshing with each other, and actuation gear 32 is assembled to axial region 22b, and the axial region that driven gear 34 has also is used as the axial region of oil pump 36.So oil pump 36 rotates along with the rotation of axial region 22b.
Be used for making oil pump 36 that oil inhalation port 298a that sucks and the discharge port 298b that is used to oil pump 36 is discharged oil are formed on oil pump mounting portion 298.As shown in Figure 4, be arranged on the oil of being assembled in the oil conservator 95 at place, crankcase 21 bottoms and upwards drawn, and be inhaled into the oil pump 36 from inhalation port 298a by suction passage 298d.In addition, the oil of discharging from oil pump 36 is fed to the each several part of motor 10 from discharge port 298b by the service duct (not shown).
A plurality of mounting portions 295 are formed at the periphery of circular portion 290.Oil pump cover 40 is supported in the tail end of open part 291 in mounting portion 295, and oil pump cover 40 is arrived mounting portion 295 by screw fit.Each assembly 295 corresponding positions with circular portion 290 in oil pump cover 40 are provided with tapped hole 46.
In addition, pin-and-hole 296 is formed at the periphery of circular portion 290.Locating stud 47 is arranged on the back side (being positioned at the surface of oil pump room's 30 sides) of oil pump cover 40, and is inserted in the pin-and-hole 296.In in locating stud being inserted into the pin hole 296 that is formed at circular portion 290, dish type oil pump cover 40 is mounted in the annular opening part 291.Thereby oil pump cover 40 upwards was fixed in week.As a result, each tapped hole 46 of oil pump cover 40 is positioned in the position of each mounting portion 295 of circular portion 290.
In addition, as shown in Figure 3 and Figure 4, generator 50 is arranged on the outside on the vehicle-width direction of the right side part 26b of right side case 21b and oil pump cover 40.Generator 50 comprises the stator 52 that is fixed to right side case 21b and is fixed to axial region 22b and with axial region 22b rotor rotated 55.
Stator 52 comprises power coil and is installed to the stator mounting portion 43 that the jack 44 around oil pump cover 40 forms.Extend along the outside of axial region 22b on vehicle-width direction stator mounting portion 43, and stator 52 is by screw fit and be fixed to stator mounting portion 43.
Rotor 55 is installed to axle sleeve part 92 and has annular portion 557, and axle sleeve part 92 is assembled to axial region 22b, and annular portion 557 is around the periphery of stator 52.Magnet 558 is along the interior perimeter surface setting of annular portion 557.
In addition, in the outer surface of annular portion 557 to form projection 551 along circumferential predetermined interval.These projections 551 are provided so that CKP 70 can detect the corner of bent axle 32.
In addition, fan 60 is arranged on the end of axial region 22b.A plurality of blades 61 that fan 60 comprises attachment portion 62 and forms on attachment portion 62, attachment portion 62 is installed to the annular portion 557 of rotor 55.
Fan 60 rotates with axial region 22b, sucks ambient air with the air inlet port from be arranged at capping 80 85 and produce air-flow in Dynamo Room 100.Shown in the double dot dash line among Fig. 2, air flow direction cylinder 24 1 sides that produced, and cooling cylinder 24.
Note, as shown in Figure 2, near the shape that the end portion 82b of capping 80 is had generation distortion border between right side case 21b and the cylinder 24 makes distance between the center of upper end part 82a and cylinder 24 greater than the distance between the center of end portion 82b and cylinder 24.In addition, as shown in Figure 5, axial region 22b and be arranged at distance between the wall 211b of right side case 21b upside greater than axial region 22b and be arranged at distance between the wall 211c of front side under the case 21b of right side.
By this way, near the upside space that had border between right side case 21b and the cylinder 24 of Dynamo Room 100 is bigger than lower side space.Therefore, the air-flow that rotation produced by fan 60 flows to cylinder 24 sides from axial region 22b top.That is, the space of axial region 22b top is as air-flow path 98, air communication cross air-flow path 98 from right side case 21b one effluent to cylinder 24 1 sides.
In addition, the air-flow that axial region 22b below produces does not flow to cylinder 24 1 sides, but flows to the rear portion, and is fed to upside along the wall 211a that is arranged on the rear portion.Then, air communication is crossed air-flow path 98 and is flowed to cylinder 24 sides.Notice that oil pump cover 40 comprises a sheet guiding wall 49 at the inferoanterior of axial region 22b.The air flow direction rear portion that guiding wall 49 guiding axial region 22b belows produce.
In addition, the position of oil pump cover 40 below axial region 22b comprises that pair of sensors mounting portion 42a, 42b are used to install CKP 70.CKP 70 is installed between sensor mounting portion 42a and the 42b by support 72,73.
Sensor mounting portion 42a, 42b are positioned at the position of oil pump cover 40 cores below.Therefore, sensor mounting portion 42a, 42b are positioned at respect to core and insert wherein the opposite side of jack with axial region 22b.In addition, sensor mounting portion 42a, 42b are positioned at respect to axial region 22b and a side identical with oil pump 36.
In addition, sensor mounting portion 42a, 42b are formed adjacent to each other on by guiding wall 49 steering flow directions.In addition, being installed in CKP 70 between sensor mounting portion 42a and the 42b is installed to be and makes that the part of CKP 70 is outstanding to the dorsal part of a side of air-flow being guided into by guiding wall 49 (axial region 22b side).
Note, as Fig. 8 and shown in Figure 9, sensor mounting portion 42a, 42b be set to axial region 22b axially on extend from the outside of surface (surfaces of Dynamo Room 100 sides) on generator 50 residing vehicle-width directions of oil pump cover 40.Thereby support 72,73 is threaded onto the end of sensor mounting portion 42a, 42b is fixed CKP 70.
More specifically, support 72 takes the shape of the letter U, and it comprises hook-shaped core in the side away from axial region 22b.CKP 70 is supported by this core.In addition, all there is screw at the two ends of support 72, and are threaded onto sensor mounting portion 42a, 42b.In addition, support 73 takes the shape of the letter U, and it extends under oil pump room's 30 side direction in the side near axial region 22b.All there is screw at the two ends of support 73, and are threaded onto sensor mounting portion 42a, 42b.
The CKP 70 of end that is installed to sensor mounting portion 42a, 42b in this way is towards the outer surface of the rotor 55 of generator 50.CKP 70 comprises coil, and works as the projection 551 that is arranged on rotor 55 outer surfaces detects bent axle 22 through the induction current of out-of-date generation corner by output.
That is, the detection position of CKP 70 be located at axial region 22b axially on the generator 50 installed away from right side case 21b around, and more specifically, be located in the face of position with the outer surface of axial region 22b rotor rotated 55.In addition, the outside on vehicle-width direction of oil pump cover 40 (it is installed to the right flank part 26b of right side case 21b) is located in the detection position of CKP 70.
Therefore, sensor mounting portion 42a, 42b extend in the outside on generator 50 residing vehicle-width directions from the surface (those surfaces of Dynamo Room 100 sides) of oil pump cover 40, and the CKP 70 that is installed to sensor mounting portion 42a, 42b end is arranged to towards the outer surface of rotor 55.
Because oil pump cover 40 is installed to the outside on vehicle-width direction of right side case 21b, so shorter to the distance of oil pump cover 40 than distance from the detection position to right side case 21b from the detection position of CKP 70.For example, distance from the detection position of CKP 70 to oil pump cover 40 than a part from the detection position of CKP 70 to right side case 21b (for example as the annulus part 290 of 30 bottoms, oil pump room (particularly, pump mounting portion 298), or be positioned at right flank part 26b around the annulus part 290) distance short.
In this way, sensor mounting portion 42a, 42b extend from oil pump cover 40.Therefore, phase ratio sensor mounting portion 42a, 42b are set to can make the length of sensor mounting portion 42a, 42b shorter into the situation from right side case 21b extension.As a result, can reduce the swing of CKP 70.
In addition, axial region 22b is inserted in the jack 44 in the oil pump cover 40, and oil pump cover 40 is disposed between right side case 21b and the generator 50, makes oil pump cover 40 assemblings and is fixed on the case 21b of right side.The result is, compares other member such as capping 80, can reduce the swing of CKP 70.
One embodiment of the present of invention have more than been described.Yet, the invention is not restricted to the foregoing description.In the above-described embodiments, oil pump cover 40 is used as an example of member of the present invention.Yet member is not limited to oil pump cover 40, comprises the jack that bent axle 22 is inserted and be arranged on than crankcase 21 more just can satisfying near the member of the detection position of CKP 70.
In addition, in the above-described embodiments, the detection target of CKP 70 is with bent axle 22 rotor rotated 55.Yet, detecting target and be not limited to rotor 55, other members that rotate with bent axle 22 also can be used as the detection target.

Claims (11)

1. motor is characterized in that comprising:
Support the crankcase of bent axle;
CKP, it detects the corner of described bent axle in the inspection positions of determining; With
Member, it has jack, and the distance from described detection position to described member is shorter than the distance from described detection position to described crankcase, wherein
Described CKP is installed to the mounting portion that forms in the described member.
2. motor according to claim 1 is characterized in that described member is the oil pump cover that is used for sealing the oil pump room that is formed on described crankcase.
3. motor according to claim 2 is characterized in that being contained in the oil pump in the described oil pump room and is formed on described mounting portion in the described oil pump cover and is positioned at same side with respect to described bent axle.
4. according to each described motor in the claim 1 to 3, the described jack that it is characterized in that described member is formed on the position away from the core of described member.
5. according to each described motor in the claim 1 to 3, it is characterized in that described member is plate-like, and the described jack of described member is positioned at the position of the core that departs from described member.
6. motor according to claim 4 is characterized in that described mounting portion is positioned at respect to described core and a side opposite with described jack.
7. according to each described motor in the claim 1 to 3, it is characterized in that also comprising:
The fan that rotates with described bent axle, wherein
Described mounting portion is formed on the position away from air-flow path, and the air-flow that is produced by the rotation of described fan flows to described cylinder one side from described crankcase one side by described air-flow path.
8. according to each described motor in the claim 1 to 3, it is characterized in that also comprising:
The fan that rotates with bent axle, wherein
Guiding wall to the air-flow channeling conduct that produced by the rotation of described fan is formed in the described member, and
Described mounting portion and described guiding wall are formed adjacent to each other on by described guiding wall steering flow direction.
9. motor according to claim 8 is characterized in that described CKP is installed to described mounting portion, makes that at least a portion of described CKP is outstanding to the dorsal part of a side of air-flow being guided into by described guiding wall.
10. according to each described motor in the claim 1 to 3, it is characterized in that described member utilized locating stud with respect to described crankcase location after, described component groups is installed to described crankcase.
11. a Straddle-type vehicle is characterized in that comprising:
According to each described motor in the claim 1 to 3.
CN2008102139564A 2007-08-31 2008-09-01 Engine and straddle type vehicle Expired - Fee Related CN101377182B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007224968 2007-08-31
JP2007-224968 2007-08-31
JP2007224968A JP2009057878A (en) 2007-08-31 2007-08-31 Engine and straddle type vehicle

Publications (2)

Publication Number Publication Date
CN101377182A CN101377182A (en) 2009-03-04
CN101377182B true CN101377182B (en) 2011-09-21

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CN2008102139564A Expired - Fee Related CN101377182B (en) 2007-08-31 2008-09-01 Engine and straddle type vehicle

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EP (1) EP2031212A3 (en)
JP (1) JP2009057878A (en)
CN (1) CN101377182B (en)
TW (1) TWI334002B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112019019950A2 (en) * 2017-03-30 2020-04-28 Honda Motor Co Ltd internal combustion engine
JP6795644B2 (en) * 2018-03-23 2020-12-02 本田技研工業株式会社 Swing unit type power unit
WO2021002236A1 (en) * 2019-07-01 2021-01-07 本田技研工業株式会社 Internal combustion engine structure

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Publication number Priority date Publication date Assignee Title
JPS5185769U (en) * 1974-12-28 1976-07-09
JP2649527B2 (en) 1987-12-29 1997-09-03 ヤマハ発動機株式会社 Generator cooling system for internal combustion engine
JP3480150B2 (en) * 1995-09-12 2003-12-15 三菱ふそうトラック・バス株式会社 Mounting structure of engine crank angle detection sensor
JP4648774B2 (en) * 2005-06-23 2011-03-09 本田技研工業株式会社 Engine with generator and method of assembling engine with generator

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EP2031212A2 (en) 2009-03-04
TW200925399A (en) 2009-06-16
TWI334002B (en) 2010-12-01
EP2031212A3 (en) 2014-12-10
JP2009057878A (en) 2009-03-19
CN101377182A (en) 2009-03-04

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