CN1609440A - Resonator for air inlet device - Google Patents

Resonator for air inlet device Download PDF

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Publication number
CN1609440A
CN1609440A CN 200410084091 CN200410084091A CN1609440A CN 1609440 A CN1609440 A CN 1609440A CN 200410084091 CN200410084091 CN 200410084091 CN 200410084091 A CN200410084091 A CN 200410084091A CN 1609440 A CN1609440 A CN 1609440A
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CN
China
Prior art keywords
resonator
main body
resonator main
air inlet
combustion engine
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Granted
Application number
CN 200410084091
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Chinese (zh)
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CN1609440B (en
Inventor
饭干智裕
笠谷琢
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Publication of CN1609440A publication Critical patent/CN1609440A/en
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Publication of CN1609440B publication Critical patent/CN1609440B/en
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Abstract

Provided is a resonator of an intake device, solving trouble such as lowering of capacity of the resonator. In this resonator 30 of an intake device, a resonator body 31 is communicated with an intake duct 3 constituting part of an intake passage of an internal combustion engine through a communicating pipe 33. At least one fixing part 34 for fitting the resonator to the internal combustion engine body 1 is provided in an area surrounded by the intake duct 32, the communicating pipe 33 and the resonator body 31.

Description

The resonator of air inlet system
Technical field
The present invention relates to be located at the resonator on the air inlet system of internal-combustion engine.
Background technique
Patent documentation 1 discloses the structure by resonator is communicated with the suction tude of the part of the gas-entered passageway that constitutes internal-combustion engine.
Patent documentation 1 spy opens the 2001-59456 communique
In the prior art of patent documentation 1, owing to reckon without on internal-combustion engine the position that the fixing part that resonator uses is installed, cut down the particularly problem of the volume of resonator of suction tude or resonator significantly so have.And, fail effectively to utilize peripheral top or the outer side space of oil filler lid, have the problem of the volume of having cut down resonator significantly.
Summary of the invention
The objective of the invention is to, a kind of resonator of having eliminated the air inlet system of these problems is provided.
The resonator of one of the present invention's air inlet system, by the resonator main body is communicated with the suction tude of the part of the gas-entered passageway that constitutes internal-combustion engine, it is characterized in that, in the part of being surrounded, the fixing part that at least one is used for installing to body of the internal-combustion engine resonator is set by described suction tude, connecting tube and resonator main body.
The resonator of the present invention's two air inlet system, by the resonator main body is communicated with the suction tude of the part of the gas-entered passageway that constitutes internal-combustion engine, it is characterized in that, be formed for the fixing fastening member supporting portion that keeps miscellaneous part at the surface portion of described resonator main body, from foreign side inwardly the side connect described miscellaneous part the fastening parts by fastening in fastening member supporting portion.
The present invention's three is characterised in that, base portion in the described fastening member supporting portion that is made of metal forms the synthetic resin member made, by the resonator that thermoplastic resin constitutes, make the base portion of described fastening parts be bonded on this resonator facial integratedly by blow molding.
The resonator of the present invention's four air inlet system, by the resonator main body is communicated with the suction tude of the part of the gas-entered passageway that constitutes internal-combustion engine, it is characterized in that, described resonator main body expands to the top or the outer side space of oil filler lid periphery, the extension of described resonator main body forms above this resonator main body or the described oil filler of foreign side's spatial communication covers top or outside the opening portion of side space.
The present invention's five is characterised in that the extension of described resonator main body is connected integratedly with described suction tude.
The present invention's six is characterised in that face or external are installed the miscellaneous part that freely loads and unloads on described resonator main body, forms the cylindrical portion that freely embeds and insert the opening portion of described resonator main body extension with deviating from this miscellaneous part.
The present invention's seven is characterised in that, the buffer unit of contact body of the internal-combustion engine is set at the back side of described resonator main body extension.
The present invention's eight is characterised in that, prevents inlet part above the setting of described resonator main body is positioned at the spark plug that is installed on the internal-combustion engine.
The present invention's nine is characterised in that at least a portion of described resonator main body is configured in the top of gas exhaust manifold, on the surface that is positioned at the described resonator main body above this gas exhaust manifold heat insulating member is set.
In one of the present invention, effectively utilize the space that is surrounded by suction tude, connecting tube and resonator main body that fixing part is set, so can avoid the capacity of resonator main body to reduce.
And, the present invention two in, from the fastening parts of foreign side's operation by the inwardly square perforation miscellaneous part of foreign side, by this fastening parts fastening in the fastening member supporting portion of the surface portion of resonator main body, can avoid the capacity of resonator main body to reduce, simultaneously, these fastening parts can freely be installed easily with loading and unloading on described resonator main body.
And, the present invention three in, the base portion of described fastening member supporting portion is fixed on the surface portion of described resonator main body, simultaneously securely, the strength rigid of described fastening member supporting portion strengthens significantly, and the installation precision of the described relatively resonator main body of miscellaneous part significantly improves.
And, the present invention four in, described resonator main body expands to the top or the outer side space of oil filler lid periphery and forms the extension, so expansion that the top of oil filler lid periphery or outer side space are effective to the resonator main body, so can avoid the capacity of resonator main body to reduce, simultaneously, can make the space of taking in internal-combustion engine form compact structure.
And, the present invention five in, the extension and the suction tude of resonator main body form as one, so the resonator main body is reinforced, strengthens rigidity by suction tude.
And, the present invention six in, be installed in with freely loading and unloading the resonator main body on the miscellaneous part of face or external, form the cylindrical portion that freely embeds and insert the opening portion of resonator main body extension with deviating from, so carry out the installing and locating of the described relatively resonator main body of described miscellaneous part easily, and rigidity is strengthened, strengthened to miscellaneous part by described cylindrical portion, the result suppresses the vibration of miscellaneous part.
And, the present invention seven in, install at the back side of resonator main body extension and can contact the buffer unit of internal-combustion engine, so utilize the elasticity of this buffer unit to prevent the interaction noise of resonator main body extension and internal-combustion engine.And owing to be provided with buffer unit in resonator main body extension side, so reduce from the heat affecting of internal-combustion engine, buffer unit is incrust.
And, the present invention eight in, be provided with the inlet part that prevents of the resonator main body that is positioned at spark plug top, so water inlet in the spark plug can be prevented trouble before it happens.
And, the present invention nine in, the surface of at least a portion that is configured in the resonator main body of gas exhaust manifold top is covered by heat insulating member, so can avoid a part of surface of this resonator main body to be heated, the thermal distortion of this resonator main body is prevented trouble before it happens.
Description of drawings
Fig. 1 is the overall perspective view with air inlet system of resonator of the present invention.
Fig. 2 is the approximate vertical view that the internal-combustion engine of air inlet system shown in Figure 1 is installed.
Fig. 3 is the approximate vertical view that the state of resonator is installed on internal-combustion engine shown in Figure 2.
Fig. 4 is the approximate vertical view that the state of engine hood is installed on internal-combustion engine shown in Figure 3.
Fig. 5 is the plan view of resonator.
Fig. 6 is the plan view of engine hood.
Fig. 7 has installed the major component amplification profile that the XII-XII line of state lower edge Fig. 5 of engine hood is decided what is right and what is wrong on resonator.
Fig. 8 is installing under the state of resonator and engine hood in order on the valve mechanism cover, by oiling with the center of cylindrical portion and the major component amplification profile of deciding what is right and what is wrong along front-back.
Fig. 9 is the right side major component amplification profile of internal-combustion engine 1.
Figure 10 is the right side major component amplification profile of the state among Fig. 9 power steering pump, free pulley, endless belt conveyer, belt pulley pulled down.
Figure 11 is the sectional drawing of the resonator of deciding what is right and what is wrong along the XI-XI line of Fig. 5.
Figure 12 is the sectional drawing of the resonator of deciding what is right and what is wrong along the XII-XII line of Fig. 5.
Figure 13 is the sectional drawing of the resonator of deciding what is right and what is wrong along the XIII-XIII line of Fig. 5.
Figure 14 is the sectional drawing of the resonator of deciding what is right and what is wrong along the XIV-XIV line of Fig. 5.
Figure 15 is the sectional drawing of the resonator of deciding what is right and what is wrong along the XV-XV line of Fig. 5.
Figure 16 is the stereogram of the relativeness of expression engine hood and power steering pump.
Figure 17 is the sectional drawing that the state of contact disk is installed on engine hood.
Figure 18 is the plan view of support plate.
Figure 19 is the sectional drawing of the support plate of deciding what is right and what is wrong along the XIX-XIX line of Figure 18.
Figure 20 is the side view of Figure 18.
Figure 21 is the front view of jig.
Figure 22 is the side view of jig.
Symbol description
1 internal-combustion engine; 2 cylinder head; 3 valve mechanism cover; 4 sparger seats; 5 intake manifold; 6 throttle bodies; 7 inlet pipe connection (Xi Genki Even Knot pipe); 8 air-strainer; 9 air-strainer covers; 10 air filter housings; 11 connecting tube; 12 pipe joints; 13 connecting tube; 14 air leading-in conduits; 15 suction ports; 16 intake valves; 17 firing chambers; 18 power steering pumps; 19 servosteering belt pulleys; 20 free pulleys; 21 endless belt conveyers; 22 oil fillers lid; 23 spark plug unit; 24 belt pulleys; 25 gas exhaust manifolds; 30 resonators; 31 resonator main bodys; 32 suction tude; 33 connecting tube; 34 joining portion; 35 bolt through holes; 36 jig supporting portions; 37 tinsels; 38 supporting leg sheets; 39 support plates; 40 jigs; 41 guide finge; 42 prevent into water cover; 43 buffer units; 44 thermal shields; 45 engine hoods; 46 oiling cylindrical portion; 47 guide support sheets; 48 surrounding wall portion; 49 projections; 50 contact disks.
Embodiment
Below, explanatory drawing 1~one embodiment of the present invention shown in Figure 22.
Being suitable for Fig. 2 of the present invention, Fig. 8, Fig. 9 and internal-combustion engine 1 shown in Figure 10 is installed on the not shown automobile, and make not shown crankshaft towards the overall width direction, i.e. Tong Cheng horizontal installation, as Fig. 8, Fig. 9 and shown in Figure 10, valve mechanism cover 3 be bonded on this internal-combustion engine 1 cylinder head 2 above, as shown in figure 10, the front of cylinder head 2 shown in sparger seat 4 is bonded on integratedly, intake manifold 5 is bonded on the front of this sparger seat 4 integratedly.
In addition, in the present embodiment, up and down, all around is before direct of travel with automobile is, to be that benchmark is made as left to left with this direct of travel, be made as right-handly right-hand, the above-below direction of automobile is made as above-below direction.
And, in Figure 10, illustrate a part, throttle body 6 is bonded on the left side (the inboard face of paper) of intake manifold 5 integratedly, at the left end of this throttle body 6 as shown in Figure 1, be connected by plastic inlet pipe connection 7 on the air-strainer cover 9 of air-strainer 8, the filtration side that intake manifold 5 is communicated with in the plastic air-strainer 8, in this air-strainer 8, be built-in with not shown air filter element, the connecting tube 11 that is communicated with the dedusting side in the air filter housing 10 that is bonded on integratedly on the air-strainer cover 9, be connected the downstream of the suction tude 32 of resonator 30 by more soft synthetic resin pipe joint 12, this resonator 30 is that thermoplastic resin is a polypropylene articles, the upstream extremity of suction tude 32 connects air leading-in conduit 14 by more soft synthetic resin system connecting tube 13, import in the air leading-in conduit 14 from the place ahead towards the air at rear opening portion 14a from air leading-in conduit 14, then by connecting tube 13, suction tude 32, pipe joint 12 and connecting tube 11 are imported in the air-strainer 8, in air-strainer 8, passed through inlet pipe connection 7 from air-strainer 8 by the clean air of dedusting, throttle body 6, intake manifold 5 and sparger seat 4 are imported in the cylinder head shown in Figure 82, are imported in the firing chamber 17 that is surrounded by cylinder head 2 and not shown cylinder block by suction port 15 and intake valve 16 in cylinder head 2.
In addition, power steering pump 18 is bonded on the not shown cooling water passage parts (water passage) integratedly by bolt 18a, servosteering belt pulley 19 is inlaid on the running shaft 18b of this power steering pump 18 integratedly, endless belt conveyer 21 be erected at this servosteering belt pulley 19, generator, oil pump etc. other belt pulley 24, free pulley 20, be connected drive pulley on the not shown crankshaft (on the De ラ イ プ-リ), when internal-combustion engine 1 was in operating condition, power steering pump 18 was driven in rotation.
Below, with reference to Fig. 5 and Figure 11~Figure 15 resonator 30 is described.
Resonator 30 forms by thermoplastic resin is carried out blow molding, and by constituting with the bottom: the hollow shape resonator main body 31 of the effect of the induction noise that produces in the gas handling system is eliminated in performance; Constitute the suction tude 32 of the part of gas-entered passageway; The connecting tube 33 that is communicated with the inner space of resonator main body 31 and suction tude 32, resonator main body 31 as shown in Figure 5, constitute by main 31a of with dashed lines encirclement and the extension 31b that surrounds with double dot dash line, the inner space of the main 31a of portion and inner space such as Fig. 5, shown in Figure 15 of extension 31b are communicating with each other by interconnecting part 31c, 31i.
And, as Fig. 5, Figure 11~shown in Figure 13, form the joining portion 34 that engages of one each other of lower wall portion in 5 places in resonator main body 31,3 joining portion 34a in this joining portion, 5 place 34,34b, be formed with bolt through hole 35a on the 34c, 35b, 35c, from the outstanding upward bolt 4a of sparger seat 4 shown in Figure 2,4b, with from intake manifold 5 be the outstanding upward bolt 5b of stay (stay) 5a of one, connect these bolt through holes 35a towards the top from the below, 35b, 35c, utilization screws and is fastened on these bolts 4a, 4b, not shown nut on the 5b passes through sparger seat 4 with the resonator main body 31 of resonator 30, intake manifold 5 is installed on the cylinder head 2 of internal-combustion engine 1 integratedly.
And joining portion 34a is as described in one of the present invention, by surrounding resonator main body 31, suction tude 32 and connecting tube 33 of resonator 30, plays the effect that is used for resonator 30 is installed in the fixing part on the cylinder head 2 of a part of the main body that constitutes internal-combustion engine 1.
In addition, in Fig. 5, wall forms and is positioned near Fig. 7, Figure 12 of both sides, rear and recess 31d shown in Figure 15 above main 31a of resonator main body 31, is bonded on this integratedly above the recess as the jig supporting portion 36 of the present invention's two described fastening member supporting portions.
Described jig supporting portion 36 as shown in Figure 7, by constituting: the tinsel 37 that forms the non-joint rectangular shape during side-looking with the bottom; Fusion integratedly is bonded on the polypropylene system supporting leg sheet 38 of these tinsel 37 bottoms; Can flexibly freely embed and be entrenched in the synthetic resin system support plate 39 that is formed at the not shown square openings above the tinsel 37 (with reference to Figure 18~Figure 20) with deviating from, jig supporting portion 36 is preconfigured in the inner face of die when blow molding resonator 30, when blow molding, 30 polypropylene system supporting leg sheet 38 fusions identical with material of polypropylene system resonator are bonded into one.
And the support plate 39 of Figure 18~shown in Figure 20 is by constituting with the bottom: than the big top 39a of square openings above the tinsel 37; The neck 39b more smaller than this square openings; Auxiliary section 39c; The crooked joint 39d that neck 39b and auxiliary section 39c flexibly are connected each other, top 39a and neck 39b form diameter dimension can allow the present invention two described fastening parts, be the big footpath hole 39e that the fastening tab 40b of the axial region 40a lower end of resin fabrication tool 40 (with reference to Figure 21 and Figure 22) passes through, form the curved slot 39h that the end face 40d of the fastening tab 40b of the path hole 39f that can allow the axial region 40a of jig 40 connect, the flat hole 39g bigger slightly than the bi-side 40c of the fastening tab 40b of jig 40, jig 40 can cooperate at auxiliary section 39c.
In addition, in Figure 21 and Figure 22, engaging head 40e integratedly, be formed with mating groove 40f at the end face of this head 40e on the top of the axial region 40a of jig 40.
In Fig. 5, wall above the resonator main body 31 of resonator 30 roughly about the front and rear part of central authorities form as Fig. 7, Figure 12 and recess 31e shown in Figure 13, the base portion 41a of synthetic resin system (it is identical with jig supporting portion 36 to need only structure during metallic) guide finge 41 is bonded among this recess 31e when blow molding resonator 30 integratedly.
And, resonator main body 31 and suction tude 32 not only are engaged with each other by connecting tube 33 and are integral, and the front portion of main 31a of resonator main body 31 and suction tude 32 are engaged with each other by joint 31f and are integral, simultaneously, the extension 31b of resonator main body 31 and suction tude 32 five described joint 31g by the present invention are engaged with each other and are integral.
In addition, as shown in Figure 8, form oil filler opening 3a on the valve mechanism cover 3 that is positioned at below the extension 31b of resonator main body 31, oil filler lid 22 can be inlaid on this oil filler opening 3a with freely loading and unloading.And, as Fig. 5, Fig. 8 and shown in Figure 14, form the opening 31h in the space up and down that is communicated with this extension 31b at the extension 31b that is positioned at the resonator main body 31 directly over this oil filler opening 3a, as shown in Figure 8, (in Fig. 5, be the left side) in the right side of this extension 31b and form to prevent into water cover 42 (as shown in Figure 5), prevent that water cover 42 into from being to cover to connect the present invention's the eight described inlet parts that prevent that valve mechanism cover 3 and cylinder head 2 and preceding termination electrode are exposed to the spark plug unit 23 of firing chamber 17, be dropped in the water that prevents on the water cover 42 into according to after advancing to the place ahead shown in Fig. 5 arrow, flow to right-hand from notch 42a.
In addition, shown in the dotted line among Fig. 5, the buffer unit 43 that constitutes by rubber, soft synthetic resin etc. (with reference to the present invention seven) be installed in integratedly resonator main body 31 below, and be positioned at the left and right sides of the opening 31h of resonator main body 31, the end face of the following and valve mechanism cover 3 of resonator main body 31 can contact.
And, as shown in Figure 8, the thermal shield 44 that is made of thermal-protective material (corresponding the present invention nine heat insulating member) is installed integratedly at the rear portion of the extension of resonator main body 31 31b.
Go on to say resonator 30, to describing at the engine hood 45 that is installed on this resonator 30 with freely loading and unloading above the resonator 30.
The engine hood 45 that plays the decorative sheet effect is equivalent to the present invention's two miscellaneous part, and the Heat sink of splash guard, radiator etc. is arranged in addition.
Engine hood shown in Figure 6 45 covers above main 31a whole of resonator main body 31 of resonators 30, simultaneously, above the part of covering except that the rear portion, left side of extension 31b, as shown in Figure 8, the oiling that forms the taper that separates predetermined distance at the opening 31h of resonator main body 31 is with cylindrical portion 46, and oiling is set to the lower ending opening 46a of cylindrical portion 46 and can allows oil filler cover 22 sizes of passing through.
And, shown in the left side (car body right side) of Fig. 7, be formed with recess 45a at engine hood 45, be used to accommodate the head 40e that can freely cooperate and be fixed on the jig 40 on the support plate 39 with deviating from, support plate 39 is inlaid on the jig supporting portion 36 of resonator main body 31 of resonator 30, and the hole that the axial region 40a that is formed centrally jig 40 in engine hood 45 can connect, diametric otch on the periphery that is positioned at this hole that can pass through with the fastening tab 40b of jig 40, the axial region 40a of jig 40 and fastening tab 40b can connect the hole and the otch of engine hood 45.And, after the axial region 40a of jig 40 and fastening tab 40b connect the recess 45a of engine hood 45, jig 40 is rotated a little to any direction, make the fastening tab 40b of jig 40 be engaged among the recess 45a of engine hood 45 thus and can not come off.
In addition, shown in the right side (car body left side) of Fig. 7, form at engine hood 45 the resonator main body 31 that is positioned at resonator 30 guide finge 41 directly over tubular supporting portion 45b, from the lower end of this tubular supporting portion 45b inwardly the crooked lip part 45c setting-in in side and be rich in flexible guide support sheet 47 as the rubber, in the time of on the resonator main body 31 that engine hood 45 is installed in resonator 30, the hole that is located at the guide support sheet 47 on the tubular supporting portion 45b of engine hood 45 is aimed on the axle 41b of guide finge 41 of the recess 31e that is located at resonator main body 31, if firmly push engine hood 45, guide support sheet 47 can be entrenched on the axle 41b of guide finge 41, so can accurately carry out the location of engine hood 45 relative resonator main bodys 31, the fastening tab 40b of the jig 40 of the recess 45a of perforation engine hood 45 can connect the big footpath hole 39e of the support plate 39 of the jig supporting portion 36 that is positioned at resonator main body 31 easily.
In addition, in the surrounding wall portion 48 that engine hood 45 forms along its outer periphery directed downwards, as shown in Figure 9, right side surrounding wall portion 48a therein forms the circular-arc notch 48b that separates predetermined distance along the periphery of servosteering belt pulley 19.
And, in Fig. 6, the projection 49 that with dashed lines dual concentric circle is drawn is configured to state shown in Figure 17, the contact disk 50 that constitutes by rubber, soft synthetic resin etc. at these projection 49 setting-ins, as shown in figure 16, engine hood 45 towards below when being out of shape, this contact disk 50 can contact the head of the bolt 18a that is used to install power steering pump 18.
Fig. 1~mode of execution shown in Figure 22 has the above structure, so can bring into play following effect.
The resonator main body 31 of resonator 30, suction tude 32 and connecting tube 33 form hollow component respectively, at the joining portion 34a that surrounds by resonator main body 31, suction tude 32 and connecting tube 33, their upper wall portions (or outside wall portions) and lower wall portion (or inner wall part) overlap and form a wall portion each other, so can avoid the capacity of resonator 30 to reduce.
And, the upper wall portions and the lower wall portion of the resonator main body 31 of resonator 30 form as one, 3 joining portion 34a, 34b, the 34c that is improved in intensity, rigidity thus, connect bolt through hole 35a, 35b, the 35c of resonator 30 from sparger seat 4 outstanding upward bolt 4a, 4b, 4c, utilization screws the not shown nut that is fixed on these bolt through holes 35a, 35b, the 35c, easily resonator 30 is installed on the main body of internal-combustion engine 1 with the accurate in locating relation securely by sparger seat 4.
In addition, the below base portion of the tinsel 37 of jig supporting portion 36 is bonded on the identical polypropylene system supporting leg sheet 38 of material and resonator 30 by fusion integratedly in advance, this supporting leg sheet 38 when blow molding resonator 30 and resonator 30 fusions be bonded into one, so tinsel 37 is fixed on the resonator main body 31 of resonator 30 securely.And, tinsel 37 is the higher fabricated metalss of intensity, rigidity, and the jig 40 that connects engine hood 45 is installed on the tinsel 37 by synthetic resin system support plate 39, so engine hood 45 can be installed on the resonator main body 31 of resonator 30 reliably with higher installation precision.
In addition, resonator main body 31 expands to oil filler and covers the top of 22 peripheries and form extension 31b, so the superjacent air space of oil filler lid 22 is effective to the expansion of resonator main body 31, the thickness attenuation of resonator main body 31, as a result, internal-combustion engine 1 integral body can be accommodated in the engine compartment of compact structure.
And the extension 31b of resonator main body 31 is bonded on the suction tude 32 integratedly by joint 31g, so the intensity of resonator main body 31, rigidity increase substantially.
And, form oiling among the opening 31h of the extension 31b that can be fitted to resonator main body 31 with cylindrical portion 46 being installed on engine hood 45 above the resonator main body 31 with freely loading and unloading, so carry out the location of engine hood 45 relative resonator main bodys 31 easily, and utilize intensity, the rigidity of oiling with cylindrical portion 46 increase engine hoods 45, suppress the vibration of engine hood 45 thus.
In addition, below the left and right sides of the opening 31h of resonator main body 31, utilize binder etc. to paste buffer unit 43, so resonator main body 31 can stably contact valve mechanism cover 3 above, utilize the elasticity of this buffer unit 43 to prevent the interaction noise of resonator main body enlarged portion 31b and valve mechanism cover 3.
And, because buffer unit 43 sticks on temperature than on the low resonator main body 31 of valve mechanism cover 3, so buffer unit 43 is difficult for peeling off below resonator main body 31.
In addition, form the into water cover 42 that prevents that is positioned at above the spark plug unit 23 in resonator main body 31, so water droplets such as rainwater are difficult for entering spark plug unit 23.And, prevent that into water cover 42 forms as one with resonator extension 31b, so also improve the rigidity of resonator extension 31b.
And, as shown in Figure 8, in the posterior face near the exhaust extension 31 of the gas exhaust manifold 25 that rearward extends from cylinder head 2 thermal shield 44 is set, so can avoid the heating of this exhaust extension 31, the situation that exhaust extension 31 is out of shape because of being heated prevents trouble before it happens.
And, when being installed in engine hood 45 on the resonator 30, making with the tubular supporting portion 45b of engine hood 45 is on the axle 41b of the hole of the guide support portion 47 of the one guide finge 41 of aiming at the recess 31e that imbeds resonator main body 31 integratedly, push engine hood 45 downwards, promptly easily engine hood 45 is fixed on the resonator main body 31.And, because guide finge 41 is two, so can reliably carry out the location of engine hood 45 relative resonator main bodys 31.
Then, push jig 40 downwards, can make the axial region 40a of jig 40 and fastening tab 40b connect support plate 39 easily, can be simply and accurately, securely engine hood 45 is installed on the resonator main body 31.
And, as shown in figure 17, whippy contact disk 50 at projection 49 setting-ins outstanding below engine hood 45, under engine hood 45 is installed in state on the resonator 30, as Fig. 9 and shown in Figure 16, separate the bolt 18a that predetermined distance is disposing power steering pump 18 at this contact disk 50, so even engine hood 45 is pushed downwards, when crooked downwards, contact disk 50 contact bolt 18a, the crooked downwards of this degree can not appear surpassing in engine hood 45, so engine hood 45 can not contact power steering pump 18 or servosteering belt pulley 19, particularly be wrapped in the endless belt conveyer 21 on the belt pulley 19, can be with engine hood 45, power steering pump 18 and servosteering belt pulley 19, and even the endless belt conveyer 21 that is wrapped on the belt pulley 19 is prevented trouble before it happens because of the damage that rubs or conflict causes.
In addition, near the servosteering belt pulley 19 of adjacency engine hood 45, disposing bolt 18a and projection 49 and contact disk 50, thus the stress that imposes on engine hood 45 reduced, and also the size of projection 49 and contact disk 50 can be shorter.
In addition, make of the loading of the bolt 18a burden of power steering pump 18 firm fixation on sparger seat 4, so can make power steering pump 18 main bodys not bear big loading from engine hood 45.
And whippy contact disk 50 is inlaid on the projection 49, so when projection 49 contact bolt 18a, absorb and relax impact and vibration by contact disk 50.
And, the opening 3a of the valve mechanism cover 3 of oil filler lid 22 in the oiling of engine hood 45 near setting-in with the lower ending opening 46a of cylindrical portion 46, so oiling becomes the conductor that is used for to internal-combustion engine 1 fuel feeding with cylindrical portion 46, and the opening 31h that can avoid resonator main body 31 is by oil pollution.
In aforementioned embodiments, resonator 30 is set above internal-combustion engine 1, but also can resonator 30 be set in the side all around of internal-combustion engine 1, during this situation, the upper and lower finger in the aforementioned embodiments outer, interior or the table, the lining.
In aforementioned embodiments, the bolt through hole 35 that is used for resonator 30 is installed on the internal-combustion engine 1 is 3, but also can be more than 2 or 4.
And the jig supporting portion 36 and the jig 40 that are used for engine hood 45 is fixed on the resonator main body 31 are respectively 2, but also can be more than 1 or 3.
In addition, the top of the spark plug unit 23 that utilizes the left end in the spark plug unit 23 that is provided with 4 about resonator extension 31b covering and be adjacent, utilization prevents that into water cover 42 covers right several the 2nd spark plug unit 23, prevent that into water cover 42 is to right-hand extension, to cover the spark plug unit 23 of right-hand member but also can make.

Claims (9)

1. the resonator of an air inlet system (30) is communicated with the suction tude (32) of the part of the gas-entered passageway that constitutes internal-combustion engine (1) by making resonator main body (31) connecting tube (33), it is characterized in that,
In the part of being surrounded, the fastening portion (34) that at least one is used for installing to internal-combustion engine (1) main body resonator (30) is set by described suction tude (32), connecting tube (33) and resonator main body (31).
2. the resonator of an air inlet system (30) is communicated with the suction tude (32) of the part of the gas-entered passageway that constitutes internal-combustion engine (1) by making resonator main body (31) connecting tube (33), it is characterized in that,
Surface portion (31a) in described resonator main body (31) is formed for the fixing fastening member supporting portion (36) that keeps miscellaneous part (45), is fixed in the described fastening member supporting portion (36) from the inwardly square fastening parts (40) that connect described miscellaneous part (45) of foreign side.
3. the resonator of air inlet system according to claim 2 (30), it is characterized in that, base portion in the described fastening member supporting portion (36) that is made of metal forms synthetic resin member made (38), by the resonator (30) that blow molding is made of thermoplastic resin, make the base portion of described fastening parts be bonded on this resonator facial integratedly.
4. the resonator of an air inlet system (30) is communicated with the suction tude (32) of the part of the gas-entered passageway that constitutes internal-combustion engine (1) by making resonator main body (31) connecting tube (33), it is characterized in that,
Described resonator main body (31) expands to the top or the outer side space of oil filler lid (22) periphery,
The extension of described resonator main body (31) (31b) form from the top of this resonator main body (31) top or the described oil filler lid of foreign side's spatial communication (22) or outside the opening portion (31h) of side space.
5. the resonator of air inlet system according to claim 4 (30) is characterized in that, the extension of described resonator main body (31b) is being connected integratedly with described suction tude (32).
6. the resonator of air inlet system according to claim 4 (30) is characterized in that, at the last face or the external of described resonator main body (31) miscellaneous part (45) is installed freely with loading and unloading,
Form the cylindrical portion (46) that freely embeds and insert the opening portion (31h) of described resonator main body extension (31b) with deviating from this miscellaneous part (45).
7. the resonator of air inlet system according to claim 4 (30) is characterized in that, the buffer unit (43) of contact internal-combustion engine (1) main body is set at the back side of described resonator main body extension (31b).
8. according to the resonator (30) of each described air inlet system in the claim 1,2 or 4, it is characterized in that, described resonator main body (31) be provided be positioned at spark plug (23) top that is installed on the internal-combustion engine (1) prevent inlet part (42).
9. according to the resonator (30) of each described air inlet system in the claim 1,2 or 4, it is characterized in that, at least a portion of described resonator main body (31) is configured in the top of gas exhaust manifold (25), on the surface of the described resonator main body (31) that is positioned at this gas exhaust manifold (25) top heat insulating member (44) is set.
CN 200410084091 2003-10-16 2004-10-18 Resonator for air inlet device Expired - Fee Related CN1609440B (en)

Applications Claiming Priority (3)

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JP2003-357064 2003-10-16
JP2003357064A JP3901678B2 (en) 2003-10-16 2003-10-16 Intake device resonator
JP2003357064 2003-10-16

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CN1609440B CN1609440B (en) 2010-04-21

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CNB2007101046021A Expired - Fee Related CN100538059C (en) 2003-10-16 2004-10-18 The resonator of air inlet system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101139962B (en) * 2006-09-04 2010-06-16 本田技研工业株式会社 Intake device of motorcycle

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4993755B2 (en) * 2008-03-18 2012-08-08 日産自動車株式会社 Intake sound generator
JP6526741B2 (en) * 2017-06-14 2019-06-05 本田技研工業株式会社 Vehicle intake structure
JP6527551B2 (en) 2017-06-14 2019-06-05 本田技研工業株式会社 Intake duct module
JP7316511B2 (en) * 2019-07-25 2023-07-28 マツダ株式会社 engine intake system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101139962B (en) * 2006-09-04 2010-06-16 本田技研工业株式会社 Intake device of motorcycle

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CN101050740A (en) 2007-10-10
CN1609440B (en) 2010-04-21
JP2005120918A (en) 2005-05-12
JP3901678B2 (en) 2007-04-04
CN100538059C (en) 2009-09-09

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