CN1223948A - Intake device for small motorcycle - Google Patents

Intake device for small motorcycle Download PDF

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Publication number
CN1223948A
CN1223948A CN 98117081 CN98117081A CN1223948A CN 1223948 A CN1223948 A CN 1223948A CN 98117081 CN98117081 CN 98117081 CN 98117081 A CN98117081 A CN 98117081A CN 1223948 A CN1223948 A CN 1223948A
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CN
China
Prior art keywords
airfilter
suction muffler
power unit
trailing wheel
air
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Granted
Application number
CN 98117081
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Chinese (zh)
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CN1080222C (en
Inventor
霜出正文
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Publication of CN1223948A publication Critical patent/CN1223948A/en
Application granted granted Critical
Publication of CN1080222C publication Critical patent/CN1080222C/en
Anticipated expiration legal-status Critical
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
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62KCYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2202/00Motorised scooters
    • 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
    • F02B61/06Combinations of engines with mechanical gearing

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Abstract

An intake device for small motorcycle, a rear wheel is supported in the rear of a power unit consisting of an engine and a transmission case, and the power unit is supported on the vehicle body swingably. An air cleaner is arranged on the transmission case of the power unit, and an air intake chamber is coupled with the air cleaner, wherein the air cleaner is located biased to one side about the center line C of the vehicle body, and the inlet port of the chamber is positioned on the opposite side of air cleaner about the center line C of the vehicle body. Adaptation of the present invention can prevent intrusion of water drops and dust into an air inlet part, and get high efficiency intake device using the limited space, reduce the number of component parts and the time of assembling.

Description

The aspirator system of motor scooter
The present invention relates in the shuttle-type motor scooter of power unit, be supported on and comprise suction muffler, airfilter at interior aspirator system on the power unit.
In that the back support of driving engine, the incorporate power unit of transmission gearbox trailing wheel, power unit is supported freely with respect to vehicle body swing; Adopt this power unit swing form, the motor scooter of airfilter, suction muffler, disclose in Japanese Utility Model and clearly disclose in 64-22692 number in the transmission gearbox upper support that constitutes power unit.
If with Fig. 7 its summary is described, then Fig. 7 is the illustrative birds-eye view of the aspirator system in this communique, and the present invention for convenience of explanation is with expression on the contrary about figure in the above-mentioned communique.Figure watches by the direction of label, and front, rear, left and right are by by the direction that the motorist saw, Fr represents that front side, Rr represent that rear side, L represent that left side, R represent the right side among the figure.
The airfilter of forming by main body 102b, lid 102a and the filter core 102c that clamps clampingly betwixt in the installing of the left side of trailing wheel 101 102.At the place ahead of trailing wheel 101 installing suction muffler 105, the air suctiton inlet 106 of suction muffler 105 is positioned at the place ahead of trailing wheel 101, approximately opening is on the car body line of centers, rearward stretch out the connection pipe 104 of specified length from the sidepiece of suction muffler 105, it is connected to the contaminated side 102d in the outside that is separated by filter core 102c of airfilter 102, inboard clean side 102e is connected to the unillustrated carburettor that constitutes fuel feed system via connection pipe 103.107 is back buffer assemblies among the figure, and the madial wall portion that makes main body 102b is depression deeply laterally, and what form back buffer assembly 107 accommodates recess 102f.
In above prior art, extraneous air flows into as arrow from the air suctiton inlet 106 of opening at the front surface of suction muffler 105, as arrow, pass in the contaminated side 102d of outer side chamber that connection pipe 104 flows into airfilters 102, pass filter core 102c flow into clean side 102e as arrow, the air that has purified is inhaled into carburettor via connection pipe 103 as arrow.
, because the air suctiton inlet 106 of suction muffler 105 is positioned on the car body line of centers, be positioned at the place ahead of trailing wheel 101, thus the influence of the trailing wheel when being subject to travel, when travelling in the rain, have spray to arrive air suctiton inlet 106, the water droplet of pollution is invaded the danger in the suction muffler 105, and this is undesirable.In addition,, have,, therefore the danger of the lost of life of filter core arranged so dust etc. are also invaded easily because the air suctiton inlet of suction muffler 105 is positioned on the extended line of trailing wheel even when fine day travels.
Have again, except that above and, owing to suction muffler 105 is left the place ahead configuration of trailing wheel 101, the structure that suction muffler 105 is connected with airfilter 102 with connection pipe 104, so the length of whole aspirator system fore-and-aft direction strengthens, have driving engine, carburettor etc., and car body between clamp back buffer assembly and support on the power unit of trailing wheel, the installing aspirator system is unfavorable for space layout, and, owing to suction muffler 105 is connected with airfilter 102 with connection pipe 104, so the part number also increases, assembling also increases man-hour.
The problems referred to above that the present invention occurs when being installed in aspirator system on the transmission gearbox of power unit in order to solve are made.
The objective of the invention is to, a kind of aspirator system of motor scooter is provided, wherein both the suction muffler of aspirator system be installed on the transmission gearbox of power unit, the place ahead of trailing wheel, again at the splashing of the water droplet of cooresponding trailing wheel therewith, dust etc., eliminate their influence, can carry out the few air of water droplet and dust sucks, and, aspirator system being equiped with on the transmission gearbox of power unit is beneficial to space layout, can obtain efficiently with limited, little space, the actv. aspirator system, and then, also can reduce the part number, reduce and assemble man-hour.
In order to address the above problem, the aspirator system of the described motor scooter of claim 1, trailing wheel is supported on the rear portion of the power unit of forming by driving engine, transmission gearbox, this power unit is supported freely with respect to vehicle body swing, in this power unit oscillating type motor scooter, airfilter is installed on the transmission gearbox of power unit, suction muffler is connected in this airfilter, airfilter is installed by side ground partially with respect to the line of centers of car body, the sucking hole of suction muffler is installed in the opposite side with respect to the car body line of centers of airfilter.
In claim 1, because facing to the airfilter that leans on a side with respect to the car body line of centers partially, the air suctiton inlet of suction muffler is installed in opposite side with respect to the car body line of centers, so the splashing of the water droplet that causes at trailing wheel, dust etc., becoming air suctiton inlet leaves out and away with respect to trailing wheel, when introducing extraneous air, be subjected to the influence of water droplet and dust very little from air suctiton inlet.In addition, the air suctiton inlet of suction muffler there is no need again away from the configuration of ground, trailing wheel the place ahead, the front and back length of whole aspirator system can not strengthen, can seek the miniaturization of aspirator system, and because suction muffler is connected in airfilter, so do not wanted connection pipe, can reduce the part number and assemble man-hour.
The aspirator system of the described motor scooter of claim 2, aforementioned airfilter is made of the left and right sides housing that clips filter core and cut apart along about the overall width direction, with the inner space that separated by this filter core and left and right sides housing is contaminated side, is clean side with the outer space.
In claim 2, because is contaminated side with airfilter along overall width steering handle inboard, with the outside is clean side, so there is no need as prior art, connection pipe bending unreasonablely laterally to be connected to the carburettor in the place ahead from the clean side of inboard, can intactly be connected to the clean side in the outside carburettor in the place ahead, thereby, suppressed the swell increment of whole airfilter to the overall width direction outside, the Width size that can both suppress airfilter, the central portion near the width over sides of car body direction disposes airfilter, suction muffler again.
The aspirator system of the described motor scooter of claim 3 supports above-mentioned suction muffler with comprising driving engine at interior transmission gearbox, and the mudwing of trailing wheel and this suction muffler are formed one.
In claim 3,, can reduce the part number and assemble man-hour because rear guard and suction muffler are formed one.
Fig. 1 is the outward appearance lateral plan that has the motor scooter of aspirator system of the present invention.
Fig. 2 is the birds-eye view of above-mentioned Fig. 1.
Fig. 3 is the outward appearance lateral plan of aspirator system.
Fig. 4 is the biopsy cavity marker devices birds-eye view of aspirator system main portion.
Fig. 5 is the decomposition plan view of aspirator system, is the figure that represents airfilter with cross-sectional birds-eye view.
Fig. 6 is the birds-eye view of the relation of expression trailing wheel and aspirator system, is to represent airfilter with cross-sectional birds-eye view, the figure that flows of expression air.
Fig. 7 is the figure with cross-sectional birds-eye view summary description prior art example.
Embodiments of the invention are described below with reference to the accompanying drawings.Moreover figure watches by the direction of label.
Fig. 1 is the outward appearance lateral plan that has the motor scooter of aspirator system of the present invention, Fig. 2 is the birds-eye view of above-mentioned Fig. 1, Fig. 3 is the outward appearance lateral plan of aspirator system, Fig. 4 is the biopsy cavity marker devices birds-eye view of aspirator system main portion, Fig. 5 is the decomposition plan view of aspirator system, is the figure that represents airfilter with cross-sectional birds-eye view, and Fig. 6 is the birds-eye view of the relation of expression trailing wheel and aspirator system, be to represent airfilter with cross-sectional birds-eye view, the figure that flows of expression air.
Moreover front, rear, left and right are by the direction that the motorist saw, Fr represents that front side, Rr represent that rear side, L represent that left side, R represent the right side among the figure, and the C of Fig. 6 represents the car body line of centers.
In Fig. 1, Fig. 2, the 1st, the two-wheeled motor vehicle of formation motor scooter, if its summary is described, then via the vertical tube of front fork 2a of the leading section of vehicle frame 2, the front fork 4 that supports front-wheel 3 is turned to support freely,, have the handlebar 5 that turns in the upper end of the steering shaft 4a that above vertical tube of front fork 2a, stretches out, the forebody 2b of the low level of vehicle frame 2 is following to be made of left and right sides member, installing Fuel Tank 6 between the member of the left and right sides of forebody 2b.
The rearward end of the forebody 2b of vehicle frame 2 sharply is inclined upwardly with rising backward, constitutes seat uprights 2c, gently is inclined upwardly backward from its upper end and constitutes rear portion 2d.Below the curve 2e of the boundary portion of seat uprights 2c and rear portion 2d, support 2f is being set, via connecting rod 8 on top that support 2f head lamp brush guard pivot is supporting power unit 9 forebodys.
Power unit 9 forwardly has acclivitous forward driving engine 10, has the transmission gearbox 11 of double as crankcase etc. rearward to stretch out at its rear, the trailing wheel 12 that constitutes drive wheel in back support.Hinged the outstanding upward lug boss 11a at and then driving engine 10 rear portions of transmission gearbox 11 in above-mentioned connecting rod 8, power unit 9 is being supported freely with respect to vehicle frame 2 swings, constitute the vibration movement type power unit.The lug boss 11a that setting projects upwards via the rear portion at the transmission gearbox 11 of power unit 9, folder is being established back buffer assembly 13 between the postmedian of it and vehicle frame rear portion 2d.
The freeing pipe of installing towards the below of driving engine 10 14, rearward and to the rear, right side of two-wheeled motor vehicle stretch out, rearward end is connected with the upstream side of the noise silencer that rearward stretches out 15 of power unit 9, comprises noise silencer 15 and is comprising driving engine in interior exhaust system on interior power unit 9 via the noise silencer supports support.
Reinstate front shroud 16, pedal 17, seat column cover 18, back cover 19 from the front and wait the outside that covers above vehicle frame 2, constitute the car body outward appearance, 20 is the fuel tanks that are configured in the rear portion of vehicle frame rear portion 2d among the figure, the 21st, back shelf, the 22nd, rear mudguard latter half of, the 23rd, front fender apron, the 24th, be configured in the battery in the front shroud 16, the 25th, head lamp, the 26th, left and right sides back mirror.
If below describe with regard to aspirator system 30 of the present invention, then as shown in the External view of Fig. 1, aspirator system 30 is installed into installation, is supported on the transmission gearbox 11 that constitutes power unit 9, swings integratedly with it.
Fig. 3~Fig. 6 represents the details of aspirator system 30, aspirator system 30 is made up of suction muffler 31 and airfilter 41, Fig. 5 exploded representation suction muffler 31 and airfilter 41, airfilter 41 is represented left and right sides housing with cross-sectional birds-eye view, and the state that expression is decomposed, in addition in Fig. 4, represent the main portion of suction muffler 31 and airfilter 41 stack-mounted states with cross-sectional birds-eye view, and then in Fig. 6, with down and trailing wheel 12 the cross-sectional assembled state that is illustrated in suction muffler 31 and airfilter 41 with cross-sectional birds-eye view of a part with overlooking, the relation of car body.
Suction muffler 31 has length along the overall width direction, as shown in Fig. 5, Fig. 6, the suction portion 33 of the tubulose that has pars intermedia 32 capacious, stretches out to the right side of pars intermedia 32, suction portion 33 bend to approximate L shaped ground and stretch out to the right and forwards under overlooking, have air suctiton inlet 34 in the right part.
In suction portion 33, be that purpose is provided with resonator 35 to reduce noise of suction, integrally have slightly export department 36 to the outstanding tubulose of this direction in the left side of pars intermedia 32.
Below the pars intermedia 32 of above suction muffler 31 and integrally form rear mudguard forebody 37 on the place ahead, this suction muffler 31 as shown in Figure 3, forwardly, the bottom of sagging del strut member 38 below the suction portion 33 of tubulose for example, be fixed by bolts to and be located at, install, be supported on the power unit 9 with respect on the lug boss 11c on the driving engine of transmission gearbox 11 opposite sides of aforementioned power unit 9.
As mentioned above, across transmission gearbox 11 ground suction muffler 31 installing thereon, suction muffler 31 is under installing condition, and as shown in Figure 6, pars intermedia 32 is positioned on the trailing wheel 12 on the forebody, and the rear mudguard forebody of setting up thereon 37 covers on the forebody of trailing wheels 12.
The suction portion 33 of stretching out to the right of pars intermedia 32 reaches the more right side of the line of centers C of vehicle, as the air suctiton inlet 34 of the leading section of suction portion 33, leaves the right flank of trailing wheel 12, and as shown in Figure 2 opening on the right flank of the car cover that constitutes the car body outward appearance.Thereby the air suctiton inlet 34 that becomes suction muffler 31 is configured in the opposite side of the side that the airfilter of hereinafter addressing 41 is disposed, and leans on the position of opposite side partially with respect to car body line of centers C.
Airfilter 41 becomes along the long slightly shape of fore-and-aft direction, is made of the housing of cutting apart about the overall width direction 42 and 43.
The outside housing 42 in left side constitutes lid, and the size of overall width direction is little, and the interior side body 43 on right side constitutes main bodys and the size of overall width direction is bigger than left side housing 42.Have groove 42a on the butt joint end of side body 42 outside, this groove matches with the unlimited end edge portion 43a in the outside that is opened on the overall width direction (left side) of interior side body 43.Central portion at each housing 42,43, side body 42 1 side direction inboards have cylindrical portion 44 highlightedly outside, and on the counterpart of interior side body 43, have the projection 45 that matches with cylindrical portion 44, and both are assembled as illustrated in fig. 4, with Screw 46 both are coupled together.
Pull down Screw 46 and outside housing 42 is taken off the replacing of the filter core of hereinafter addressing 47 from interior side body 43.
Between left and right sides housing 42,43, install and remove clamping freely and filter core 47 as air filter, clamping is the periphery that comes clamping filter core 47 with housing 42,43, and with the lip 42b that is located on both ... (represent a plurality of, down together), 43 ... come the clamping suitable position, contaminated side 48 (outside housing one side) that is separated into filter core 47 outsides in the airfilter 41 of assembling formation and inboard clean side (interior side body one side).
On the forebody of above interior side body 43, insert the ingress pipe of making by tubing etc. 50 of arc, the inboard forebody outside of side body 43 in the communication port 50a of its leading section is exposed to.On the bottom, be provided with as shown in Figure 3 in addition support portion 51 is installed ..., support portion 51 is installed via this ... install, be supported on the mounting boss 11d that is located on the aforementioned transmission gearbox 11 ... on.In addition on the front portion of interior side body 43, outstanding upward strut member 43f is set, with fixing grade of Screw it is connected on the lug boss 32 of airfilter 41 1 sides of pars intermedia 32 of the suction muffler 31 that is located at inboard (car body line of centers C one side).
Transmission gearbox 11 is reserved the left side that is installed in trailing wheel 12 with gap, thereby as shown in Figure 6, above airfilter 41 is reserved the left side that is installed in trailing wheel 12 with gap with trailing wheel, the leading section 36a of the export department 36 of aforementioned suction muffler 31 is cooperated, is connected in connection oral area 50a, whereby, the contaminated side 48 of filter core 47 inboards of the interior side body 43 of suction muffler 31 and airfilter 41 just is connected, couples together.
On the front end face of the outside of above airfilter 41 housing 42, the flow export 52 of the clean air that is connected with clean side 47 is set, end, the upstream 53a that in this flow export 52, is connecting connection pipe 53, connection pipe 53 is connected to carburettor 55 to downstream end, clean air is supplied with ground to carburettor constitute.In fact, on the cover plate 54 of the peristome of the front end face that forms closure casing 42,43, flow export 52 is set, end, the upstream 53a of connection pipe 53 is cooperated and connects thereon.
; interior side body 43; the width of the overall width direction of its latter half of 43c is bigger; the middle part of its forebody 43d is bent to form the spill under overlooking laterally from the inboard; be provided with the aforementioned back buffer assembly 13 of vertically accommodating the left side that closely is installed in trailing wheel 12 a part accommodate recess 43e; thereby, correspondingly the ingress pipe 50 in the forebody in the side body in being configured in 43 is made crooked laterally arc therewith.
Fig. 6 also represents the suction condition of aspirator system 30 of the present invention, suction muffler 31 is across the forebody top ground installing of trailing wheel 12, opposite side in configuration airfilter 41 1 sides, C leans on to the right greatly partially from the car body line of centers, from the position of the very big distance in right side of leaving trailing wheel 12, air suctiton inlet 34 is opened on this side of car body right side car cover, sucks extraneous air.
Thereby, can prevent to flow in the suction muffler 31 from air suctiton inlet 34 from water droplet and dust that trailing wheel 12 splashes.
The few extraneous air of influence of the splashing of the water droplet that trailing wheel 12 causes, dust, 1. the arrow of image pattern 6 enters from air suctiton inlet 34 like that, 2. pass pars intermedia 32 as arrow, 3. flow into the contaminated side 48 of airfilter 41 as arrow, on filter core 47, be filtered 4. and arrive clean side 49 as arrow, flow in the upstream portion of connection pipe 53 5. as arrow, be inhaled into carburettor 55 and and fuel mix, be fed into the air suctiton inlet of driving engine as arrow flows 6..
; because airfilter 41; with contaminated side 48 is the inboard; be trailing wheel 12 1 sides; with clean side 49 is the outside; promptly in the left side in the outside of overall width direction,, make the width of whole airfilter strengthen and be connected to with bloating laterally the carburettor in the place ahead so it is crooked laterally excessively connection pipe to there is no need as prior art the clean side from the inboard.
Thereby, can intactly be connected to the clean side 49 in the outside carburettor 55 in the place ahead.Thereby, suppressed the swell increment of whole airfilter 41 to the overall width direction outside, can both suppress the Width size of airfilter, the central portion near the width over sides of car body direction disposes airfilter, suction muffler again.
Therefore, though both back buffer assembly 13 was configured between airfilter 41 and the trailing wheel 12, between back buffer assembly 13 and airfilter 41, keep the gap fully again, can suppress airfilter 41 the amounts of bloating simultaneously, make the size that reduces the overall width direction on the whole to the overall width direction.
In addition, suction muffler 31, because air suctiton inlet 34 is arranged to partially to lean on a side opposite with airfilter 41 with respect to car body line of centers C, so air suctiton inlet 34 there is no need to be configured in the place ahead of trailing wheel 12, thereby can suppress the size of suction muffler 31 fore-and-aft directions, and seldom take the finite space on the transmission gearbox that carries the engine accessory power rating class, be favourable on space layout, can both obtain efficient high, the actv. aspirator system, seek the miniaturization of whole aspirator system again on the whole.
And then suction muffler 31, owing to constitute the ingress pipe connection oral area 50a that the export department 36 of connecting bridge is directly connected to airfilter 41,, can reduce the part number and assemble man-hour so no longer need the such connection catheter component of prior art.
In addition, because suction muffler 31 rear mudguard 37 with trailing wheel 12 is formed, so can reduce part number and assembling man-hour, reach the rear mudguard strut member.
The present invention brings into play following effect by above-mentioned formation.
For claim 1, owing to being installed in by engine, transmission case, air filter forms The transmission case of power unit of vibration movement type on, suction muffler is connected in air filter, air Cleaner is inclined to one side to side ground installing with respect to the car body center line, the suction inlet of suction muffler with respect to car body Center line is installed in the opposite side of aforementioned air filter, so, at first form the air entry of suction muffler Away from trailing wheel ground installing, can suppress the water droplet that splashes from trailing wheel and dust to the intrusion of air entry, can With prevent that water from dripping, the intrusion in the suction muffler such as dust.
Thereby, prevent too early obstruction and the pollution of the filter core that water droplet and dust cause, improve the longevity of filter core Life, durability, in addition since water droplet and dust in entering the extraneous air of suction muffler seldom, institute With can carry out efficient high, effectively air-breathing.
In addition, because suction muffler is arranged to inclined to one side leaning on and air-filtering to air entry with respect to the car body center line The side that device is opposite, thus air entry there is no need away from the ground configuration of trailing wheel the place ahead, thereby, can press down The size of suction muffler fore-and-aft direction processed. As a result, unlike prior art, suction muffler takies lift-launch more The confined space on the transmission case of engine accessory power rating class is favourable in space layout, can both get , effective getter device high to efficient are realized again the miniaturization of whole getter device on the whole.
And then, because suction muffler is directly connected in air filter, thus no longer need prior art that The connection catheter component of sample can reduce number of components and assemble man-hour.
For claim 2, on the basis of the described structure of claim 1, because by clipping filter Core, the left and right sides housing of cutting apart along about the overall width direction consist of air filter, with by this filter core and The inner space that left and right sides housing separates is contaminated side, take outer space as clean side, so there is no need As prior art, clean side is configured in the inboard, from the clean side of inboard tube connector excessively to Outside curve, the width of whole air filter strengthens and is connected to with bloating laterally the carburetion in the place ahead Device. Thereby, can intactly be connected to the clean side in the outside fuel in the formation the place ahead in the place ahead The carburetor of feedway.
Thereby, having suppressed whole air filter to the swell increment in the overall width direction outside, can both suppress The width size of air filter, the central portion near the width of the carbody direction disposes air filter again Clear device, suction muffler.
For claim 3, on the basis of the described structure of claim 1, owing to send out with comprising Motivation supports suction muffler at interior transmission case, the dashboard of trailing wheel and this suction muffler one landform Become, so can reduce number of components and assembling man-hour, and the group of rear mudguard support member and these parts Fill man-hour.

Claims (3)

1. the aspirator system of a motor scooter in power unit oscillating type motor scooter, is supported on the rear portion of the power unit of being made up of driving engine, transmission gearbox to trailing wheel, and this power unit is supported freely with respect to vehicle body swing, it is characterized in that:
Airfilter is installed on the transmission gearbox of aforementioned power unit, suction muffler is connected in this airfilter,
Aforementioned airfilter is installed by side ground partially with respect to the line of centers of car body, the sucking hole of aforementioned suction muffler is installed in the opposite side with respect to the car body line of centers of aforementioned airfilter.
2. the aspirator system of motor scooter as claimed in claim 1, it is characterized in that: aforementioned airfilter is made of the left and right sides housing that clips filter core and cut apart along about the overall width direction, with the inner space that separated by this filter core and left and right sides housing is contaminated side, is clean side with the outer space.
3. the aspirator system of motor scooter as claimed in claim 1 is characterized in that: support above-mentioned suction muffler with comprising driving engine at interior transmission gearbox, the mudwing of trailing wheel and this suction muffler are formed.
CN98117081A 1998-01-17 1998-12-11 Intake device for small motorcycle Expired - Fee Related CN1080222C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP02051198A JP4145379B2 (en) 1998-01-17 1998-01-17 Scooter type vehicle intake system
JP020511/98 1998-01-17

Publications (2)

Publication Number Publication Date
CN1223948A true CN1223948A (en) 1999-07-28
CN1080222C CN1080222C (en) 2002-03-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN98117081A Expired - Fee Related CN1080222C (en) 1998-01-17 1998-12-11 Intake device for small motorcycle

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JP (1) JP4145379B2 (en)
CN (1) CN1080222C (en)
IT (1) IT1306986B1 (en)
TW (1) TW407115B (en)

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CN1319804C (en) * 2001-01-30 2007-06-06 雅马哈发动机株式会社 Motorcycle
CN100406339C (en) * 2003-05-20 2008-07-30 雅马哈发动机株式会社 Air inlet structure for motor two-wheel cycle engine and motor two-wheeled cycle with the same air in let structure of engine
CN100441856C (en) * 2005-03-30 2008-12-10 本田技研工业株式会社 Air purifier unit of automotive bicycle
CN103184956A (en) * 2011-12-28 2013-07-03 雅马哈发动机株式会社 Straddle-type vehicle

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JP4728870B2 (en) * 2006-04-28 2011-07-20 本田技研工業株式会社 Vehicle intake box arrangement structure
JP4985702B2 (en) * 2009-05-14 2012-07-25 スズキ株式会社 Air cleaner
JP5691258B2 (en) * 2010-06-22 2015-04-01 スズキ株式会社 Engine intake system
JP6434612B2 (en) * 2015-03-11 2018-12-05 本田技研工業株式会社 Motorcycle air cleaner equipment

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JP2533584Y2 (en) * 1987-07-31 1997-04-23 本田技研工業株式会社 Power unit swing type vehicle
US5016725A (en) * 1989-03-18 1991-05-21 Yamaha Hatsudoki Kabushihiki Kaisha Motorcycle having enclosed running components
JP2597428B2 (en) * 1991-03-20 1997-04-09 本田技研工業株式会社 Engine support structure for scooter type vehicle
JP2847499B2 (en) * 1996-06-10 1999-01-20 川崎重工業株式会社 Saddle-type vehicle

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CN1319804C (en) * 2001-01-30 2007-06-06 雅马哈发动机株式会社 Motorcycle
CN100406339C (en) * 2003-05-20 2008-07-30 雅马哈发动机株式会社 Air inlet structure for motor two-wheel cycle engine and motor two-wheeled cycle with the same air in let structure of engine
CN100441856C (en) * 2005-03-30 2008-12-10 本田技研工业株式会社 Air purifier unit of automotive bicycle
CN103184956A (en) * 2011-12-28 2013-07-03 雅马哈发动机株式会社 Straddle-type vehicle
CN103184956B (en) * 2011-12-28 2015-06-03 雅马哈发动机株式会社 Straddle-type vehicle

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IT1306986B1 (en) 2001-10-11
JP4145379B2 (en) 2008-09-03
ITTO990024A1 (en) 2000-07-15
JPH11198885A (en) 1999-07-27
TW407115B (en) 2000-10-01
CN1080222C (en) 2002-03-06

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