CN100368213C - Tire/wheel assembly body and supporting body for traveling with tire flat - Google Patents

Tire/wheel assembly body and supporting body for traveling with tire flat Download PDF

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Publication number
CN100368213C
CN100368213C CNB2004800046353A CN200480004635A CN100368213C CN 100368213 C CN100368213 C CN 100368213C CN B2004800046353 A CNB2004800046353 A CN B2004800046353A CN 200480004635 A CN200480004635 A CN 200480004635A CN 100368213 C CN100368213 C CN 100368213C
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China
Prior art keywords
tire
aforementioned
supporter
circular shell
flat
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Expired - Fee Related
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CN1750949A (en
Inventor
内藤充
丹野笃
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Yokohama Rubber Co Ltd
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Yokohama Rubber Co Ltd
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Publication of CN1750949A publication Critical patent/CN1750949A/en
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Abstract

A tire/wheel assembly comprising a wheel having a rim, a pneumatic tire mounted on the rim of the wheel and a run-flat support member disposed in the cavity of the pneumatic tire. The run-flat support member includes an annular shell and elastic rings. The annular shell has a support surface located radially outward and two leg portions formed radially inward in a straddling state. The elastic rings support the leg portions on the rim. The annular shell is configured such that an annular cavity portion surrounded by the run-flat support member and the pneumatic tire has a cross-sectional area that varies in the circumferential direction of the tire.

Description

Tire/wheel assembly and run flat and use supporter
Technical field
The present invention relates to tire/wheel assembly and run flat use supporter, in more detail, relate to the tire/wheel assembly that will improve noise performance and use running flat and use supporter thereon.
Background technology
Because of the requirement in market, also can realize the technology of promptly travelling about hundreds of km under air-inflation tyre is blown out in the travelling of vehicle the situation even if repeatedly proposed.In the scheme of these a plurality of propositions, for example, open in the flat 10-297226 communique the spy, disclose on the wheel rim of the airtyred blank part of wheel rim stack-mounted inboard supporter has been installed, can realize the technology that runs flat by the tire of blowing out by this support body supports.
Above-mentioned running flat has in that outer circumferential side is diverged into the circular shell of two leg shape structures with interior all sides in as bearing surface with supporter, is made of the structure that resilient ring has been installed on two shanks, and is supported on the wheel rim via this resilient ring.Use supporter owing to run flat, need not add any special transformation to existing wheel/wheel rim and just can directly use, so have not to bringing the confusion just can received advantage in market according to this.
, as a ring of in recent years environmental cure, require the air-inflation tyre of low noise.Gas column sympathetic response in the air-inflation tyre, the airtyred blank part in the vehicle ' becomes one of reason that makes the pavement noise deterioration.
So, in the past, in the general tire/wheel assembly on the wheel rim that air-inflation tyre is assembled into wheel, for example, by on wheel rim along tire Zhou Fangxiang with the regulation the arranged spaced convex shaped part, the sectional area of the blank part that is surrounded by wheel rim and air-inflation tyre is changed, and makes the change of gas column resonance frequency thus, thereby improve the technology of the pavement noise that causes by the gas column sympathetic response, for example open in the 2001-113902 communique and be disclosed the spy.
But, in above-mentioned installing run flat with in the tire/wheel assembly of supporter, do not propose, so people expect the proposition of the improvement technology of this problem its actv. countermeasure.
Summary of the invention
The object of the present invention is to provide a kind ofly to run flat with in the tire/wheel assembly of supporter having installed, can improve the tire/wheel assembly of the pavement noise that causes by the gas column sympathetic response of airtyred blank part and use running flat and use supporter thereon.
Reach the tire/wheel assembly of the present invention of above-mentioned purpose, be to dispose the tire/wheel assembly that runs flat with supporter at the airtyred blank part that is installed on the wheel rim of wheel, this runs flat with supporter is by the circular shell that outer circumferential side is formed interior all sides simultaneously the shank of diverging into two leg shapes as bearing surface, with the resilient ring of aforementioned thigh support on wheel rim constituted, it is characterized in that, aforementioned circular shell is constituted, change along tire Zhou Fangxiang by the sectional area of the hollow sectors of the aforementioned ring-type that surrounds with supporter and aforementioned air-inflation tyre of running flat.In addition, aforementioned circular shell has 2 kinds of different cross sectional shapes, and the part of these 2 kinds of different cross sectional shapes is configured in alternately on the zone of housing Zhou Fangxiang 4 five equilibriums.
The running flat of tire/wheel assembly that is used in the invention described above used supporter, it is the airtyred blank part that is configured on the wheel rim that is installed in wheel, simultaneously interior all sides are formed the circular shell of the shank of diverging into two leg shapes by outer circumferential side being made as bearing surface, use supporter with running flat that the resilient ring of aforementioned thigh support on wheel rim constituted, it is characterized in that, aforementioned circular shell is constituted, disposing aforementioned running flat when using supporter, can change along tire Zhou Fangxiang by the sectional area of the hollow sectors of this ring-type of surrounding with supporter and aforementioned air-inflation tyre of running flat.In addition, aforementioned circular shell has 2 kinds of different cross sectional shapes, and the part of these 2 kinds of different cross sectional shapes is configured in alternately on the zone of housing Zhou Fangxiang 4 five equilibriums.
The sectional area of the hollow sectors by making the ring-type that surrounds with supporter and air-inflation tyre by running flat like this changes along tire Zhou Fangxiang, just can make in vehicle ' the gas column resonance frequency change that produces at airtyred blank part, therefore can improve the pavement noise that the gas column sympathetic response by blank part causes.
Another tire/wheel assembly of the present invention, be at the airtyred blank part that is installed on the wheel rim of wheel, dispose the tire/wheel assembly that runs flat with supporter in the mode that aforementioned airtyred blank part is divided into inboard blank part and outside blank part, this runs flat with supporter is simultaneously interior all sides to be formed the circular shell of the shank of diverging into two leg shapes by outer circumferential side being made as bearing surface, with the resilient ring of aforementioned thigh support on wheel rim constituted, it is characterized in that, on aforementioned circular shell, form the through hole of aforementioned inboard blank part of a plurality of connections and aforementioned outside blank part, make this through hole, with aforementioned circular shell along between the zone of Zhou Fangxiang five equilibrium, the zone that adds up to the area maximum with the opening of this through hole distributes unevenly than minimum regional big 5~10% mode.
The running flat of another tire/wheel assembly that is used in the invention described above used supporter, be simultaneously interior all sides to be formed the circular shell of the shank of diverging into two leg shapes by outer circumferential side being made as bearing surface, use supporter with running flat that the resilient ring of aforementioned thigh support on wheel rim constituted, it is characterized in that, on aforementioned circular shell, form a plurality of through holes, make this through hole, with aforementioned circular shell along between the zone of Zhou Fangxiang five equilibrium, the zone that adds up to the area maximum with the opening of this through hole distributes unevenly than minimum regional big 5~10% mode.
By through hole is distributed between the zone of the five equilibrium of circular shell as described above unevenly, through hole and inboard blank part are worked as Helmholtz's resonant sound absorber, thereby and the gas column sonorant of the blank part of the tire in the vehicle ' absorbed it reduced, therefore can improve the pavement noise that the gas column sympathetic response by airtyred blank part causes.
In addition, when assembling, to in blank part, be inserted with after the airtyred bead part that runs flat with supporter is installed on the wheel rim, make the air-inflation tyre inflation by filling air, make bead part cross the protruding peak of wheel rim and be entrenched on the rim shoulder dish, and via above-mentioned through hole, utilization offers to run flat and can make the air-inflation tyre inflation at an easy rate with the air in the outside blank part between supporter and the airtyred inner face, therefore can make the bead part of tire cross protruding peak and be entrenched at an easy rate on the rim shoulder dish.
Description of drawings
Fig. 1 is the lateral plan that possesses the tire/wheel assembly of an example of the present invention.
Fig. 2 (A) is the regional A of exploded view 1 on tire radial section, the amplification profile of C.
Fig. 2 (B) is the area B of exploded view 1 on tire radial section, the amplification profile of D.
Fig. 3 (A), (B) have showed to possess other the tire/wheel assembly of example of the present invention, and Fig. 3 (A) is the amplification profile that is equivalent to Fig. 2 (A), and Fig. 3 (B) is the amplification profile that is equivalent to Fig. 2 (B).
Fig. 4 is an amplification profile of showing the main portion of the tire/wheel assembly that possesses another example of the present invention on tire radial section.
Fig. 5 cuts the running flat with the part amplification stereogram of the main portion of supporter of exploded view 4.
The specific embodiment
In the present invention, run flat and form as the ring bodies that is inserted into airtyred blank part with supporter.This runs flat and uses supporter, external diameter with and airtyred blank part inner face between to keep the mode of certain distance to form littler than blank part internal diameter, and internal diameter is formed the size identical substantially with airtyred bead part internal diameter.And this runs flat and uses supporter, is assembled on the wheel with air-inflation tyre being inserted under the state of airtyred inboard, constitutes tire/wheel assembly.When this tire/wheel assembly being installed on the vehicle and when air-inflation tyre is blown out under steam, the flat tire that gets off in back is in the state that the outer peripheral face that run flat with supporter supports because this is blown out, and therefore can realize running flat.
Above-mentioned running flat constitutes circular shell and resilient ring with supporter as main portion.
Circular shell forms continuous bearing surface in order to support the tire after blowing out on outer circumferential side, interior all sides with about sidewall become the shape of two leg shapes of fork as shank.The bearing surface of outer circumferential side forms to the mode that outside diameter becomes convex surface with the shape on the transversal surface of direction quadrature all with it.The number of arranging along the tire direction of principal axis of this convex surface can be one, but 2 or more than it preferably arranged side by side.Because by forming bearing surface with 2 or convex surface mode arranged side by side more than it like this, make the contact site with respect to the tire inner face of bearing surface be separated into 2 or more than it, can lower and bring the localized wear that the tire inner face brings, therefore can prolong the lasting distance that can run flat.
Resilient ring is mounted respectively on the end of two shanks of the one-tenth two leg shapes of the internal side diameter of circular shell, by touch about the wheel rim seat on support circular shell.This resilient ring is made of rubber or elastic resin, except relaxing the shock and vibration that the tire of circular shell after blow out bear, also carries out anti-skidding with respect to the wheel rim seat, thus the stable support circular shell.
Must be via the tire support vehicle weight after blowing out owing to run flat with supporter, so circular shell is made of rigid material.In this constituent material, use metal, resin etc.Wherein, can enumerate steel, aluminium etc. as metal.In addition, as resin, can be any of thermoplastic base resin and thermosetting resin.As thermoplastic base resin, can enumerate nylon, polyester, polyethylene, polypropylene, polystyrene, polyphenylene sulfide, ABS etc., in addition as thermosetting resin, can enumerate epoxy resin, unsaturated polyester resin etc.Resin can use separately, also can cooperate reinforcing fiber to use as fiber-reinforced resin.
As the rubber, the elastic resin that constitute resilient ring, as long as can the stable support circular shell, it can be any one material, for example, as rubber, natural rubber, isoprene rubber, styrene butadiene rubbers, butaprene, butyl rubber etc. can be enumerated,, Foamexes such as foaming polyurethane can be enumerated as elastic resin.
Be used running flat on the tire/wheel assembly of the present invention and use supporter, with the above-mentioned prerequisite that constitutes.
Below, explain example of the present invention with reference to accompanying drawing.
Fig. 1,2 has showed the tire/wheel assembly of an example of the present invention, and X is a tire/wheel assembly, the 1st, and wheel, the 2nd, air-inflation tyre, the 3rd, run flat and use supporter.These wheels 1, air-inflation tyre 2, running flat with supporter 3, is that the center forms coaxial ring-type with the wheel revolutions axle, becomes in the blank part 2A of the air-inflation tyre 2 on being installed in the wheel rim 1A of wheel 1 to dispose the formation that runs flat with supporter 3.
Run flat with supporter 3, constitute by the circular shell 4 that forms with rigid material such as metal, resins with the left and right sides resilient ring 5 that rubber, elastic resin elastomeric material form.
Circular shell 4 have will form convex surface shape at outer circumferential side 2 support section 6A of bearing surface 6a with connecting portion 6B along support portion 6 that the housing cross direction links together and forms, this bearing surface 6a is just often to leave from the inner face 2a of air-inflation tyre 2 at air-inflation tyre 2, but supports the tire that loses heart when blowing out.In addition, interior all sides of circular shell 4 are connected two side on the support portion 6 respectively as shank 7 and fork is two leg shapes, and on all sides resilient ring 5 are installed within it.
Two shanks 7, have along the regional A of housing Zhou Fangxiang 4 five equilibriums, B, C, D, at relative regional A, among the C, shown in Fig. 2 (A), has the circular-arc recess 7A in cross section that sink to the inside along Zhou Fangxiang, in relative area B, among the D, shown in Fig. 2 (B), side possesses the outstanding laterally circular-arc protuberance 7B in cross section along Zhou Fangxiang, the cross sectional shape of shank 7 changes on tire Zhou Fangxiang periodically thus, and sectional area cycle with rule on tire Zhou Fangxiang of the hollow sectors 2Aa of the ring-type that surrounds with supporter 3 and air-inflation tyre 2 by running flat is periodically changed.
Circular shell 4 with such shank 7 by forming a plurality of housing sheets cut apart by each zone, and utilizes welding etc. that its joint just can be obtained at an easy rate.
Constituted running flat with supporter 3 of circular shell 4 in a manner described, be inserted into the inboard of air-inflation tyre 2, the bead part 2b of resilient ring 5 and air-inflation tyre 2 is installed on the wheel rim seat 1a of wheel rim 1A simultaneously.
Tire/wheel assembly according to the invention described above, the sectional area of hollow sectors 2Aa by making the ring-type that surrounds with supporter 3 and air-inflation tyre 2 by running flat changes on tire Zhou Fangxiang, the gas column resonance frequency change that in vehicle ', produces can be made, therefore the pavement noise that causes by the gas column sympathetic response of blank part 2A can be reduced by blank part 2A.
Fig. 3 (A), (B) showed other example of tire/wheel assembly of the present invention, in this tire/wheel assembly X ', be in above-mentioned tire/wheel assembly, replacement is provided with the formation of recess 7A and protuberance 7B on shank 7, and will connect connecting portion 6B between the bearing surface 6a at regional A, shown in Fig. 3 (A), form the circular-arc recess shapes of sinking significantly to the inside among the C, on the other hand, in area B, shown in Fig. 3 (B), form laterally outstanding circular-arc protuberance shape among the D, the form that the cross sectional shape of connecting portion 6B is changed periodically on tire Zhou Fangxiang.
Even if the sectional area of the hollow sectors 2Aa of the ring-type that surrounds with supporter 3 and air-inflation tyre 2 by running flat is changed on tire Zhou Fangxiang, also can obtain and above-mentioned same effect.
In the example of the invention described above, when the sectional area that makes hollow sectors 2Aa as described above changed, preferably the maximum secting area with hollow sectors 2Aa made its variation than minimum sectional area big 2% or the mode more than it.In illustrated embodiment, regional A, C are maximum secting areas, and area B, D are minimum sectional areas, the sectional area of the hollow sectors 2Aa of regional A, C is made as sectional area than area B, D increases 2% or more than it.If should be poor, just be difficult to make effectively the change of gas column resonance frequency less than 2%.Preferably make difference reach 5% or more than it.As higher limit, preferably be made as 20% or below it from the aspect of the processability of circular shell 4.
Above-mentioned circular shell 4, consider from the aspect of easy manufacturing, preferably form a plurality of housing sheets along housing Zhou Fangxiang as described above by above-mentioned each Region Segmentation, and by with welding etc. its joint being constituted, but being not limited thereto certainly, for example also can be integrally formed.
When so a plurality of housing chip bondings being formed above-mentioned circular shell 4, difference of height can appear on the jog of junction, and form the outside and the inboard gap that is communicated with circular shell 4, but this gap can be placed at that, also can clog in addition with other material.Preferably, the way that clogs can help the reduction of pavement noise a little.
In addition, the both ends that yet can be formed in each housing sheet do not have concavo-convex shape, do not form the formation of difference of height when engaging.
In above-mentioned example, illustration only make the cross sectional shape of shank 7, or the circular shell 4 that the cross sectional shape of connecting portion 6B is changed, but also can be these to be combined and the circular shell made.For example, the cross sectional shape of the circular shell 4 of regional A can be made Fig. 3 (A), the cross sectional shape of the circular shell 4 of area B is made Fig. 3 (B), the cross sectional shape of the circular shell 4 of zone C is made Fig. 2 (A), the cross sectional shape of the circular shell 4 of region D is made Fig. 2 (B).
In addition, also can be provided with on the two at shank 7 and connecting portion 6B above-mentioned concavo-convex, thereby the sectional area of the hollow sectors 2Aa that is surrounded by circular shell 4 and air-inflation tyre 2 is changed on tire Zhou Fangxiang.
In addition, in the example of Fig. 2 (A), (B), on two sides' shank 7, be provided with recess 7A or protuberance 7B, but also can on the shank 7 of any one party, be provided with, also its combination can be constituted circular shell 4 in addition.
The sectional area of hollow sectors 2Aa makes its mode that changes periodically very desirable on effect as described above, but is not limited thereto, and also can be irregularly change aperiodic.
When the sectional area that makes hollow sectors 2Aa changes periodically, this cycle is 2 cycles preferably, at this moment, can as above-mentioned Fig. 2,3 example, be made as maximum secting area zone-minimum sectional area zone-maximum secting area zone-minimum sectional area zone 2 cycles arranged side by side.
In addition, the recess 7A of shank 7 and protuberance 7B, form as described above the circular-arc mode in cross section when running flat support loads aspect very desirable, but, can adopt shape arbitrarily as long as when running flat, do not hinder.Connecting portion 6B shown in Fig. 3 (A), (B) also is same.
Fig. 4 has showed the another example of tire/wheel assembly of the present invention.This tire/wheel assembly Y replaces above-mentioned circular shell 4 is made concavo-convex formation, as shown in Figure 5, is the form that has formed a plurality of through holes 8 on two shanks 7.The inboard blank part 2A1 of the air-tight state that will be divided with supporter 3 by running flat in the blank part 2A that is configured in air-inflation tyre 2 by through hole 8 and the outside blank part 2A2 of air-tight state are communicated with.
In illustrated embodiment, with circular shell 4 in regional A, the B of Zhou Fangxiang 4 five equilibriums, C, D, the opening of the through hole 8 of the lateral surface 4a of circular shell 4 adds up to regional A, the C of area maximum, disposed with area B, the D of minimum, through hole 8 adds up to the different mode of area to distribute unevenly with the opening that makes through hole 8 between the zone interlacedly.The opening of through hole 8 adds up to regional A, the C of area maximum, compared with area B, the D of minimum, adds up to area to increase 5~10% the opening of through hole 8.
According to this tire/wheel assembly, by through hole 8 is distributed between regional A, the B of five equilibrium, C, D as described above unevenly, through hole 8 and inboard blank part 2A1 work as Helmholtz's resonant sound absorber, thereby therefore the gas column sonorant of the tire blank part 2A in the vehicle ' can be absorbed and make its reduction, thereby, can improve by the gas column sympathetic response of the blank part 2A of air-inflation tyre 2 and the pavement noise that causes.
In addition, when the wheel rim assembling of air-inflation tyre 2, because through through hole 8, the interior air of outside blank part 2A that utilization offers air-inflation tyre 2 can make air-inflation tyre 2 inflations at an easy rate, therefore can make the bead part 2b of tire cross protruding peak 1b and be fitted at an easy rate on the wheel rim 1A, just can realize the improvement of wheel rim assembleability.
If the difference of regional A, the C of the opening of above-mentioned through hole 8 total area maximum and minimum area B, D is less than 5%, just be difficult to bring into play effectively sound deadening.If surpass 10% on the contrary, produce bigger difference qualitatively at the Zhou Fangxiang that runs flat with supporter 3, thereby be easy to cause vibration, bring bad influence to taking sensibility.
The uneven distribution of through hole 8, consider from the aspect that improves noise reduction effect the biglyyest, preferably be made as regional A, the C and the formation in 2 cycles that minimum area B, D disposes interlacedly that opening are added up to the area maximum as described above, but be not limited thereto, with circular shell 4 in the zone of Zhou Fangxiang 2~7 five equilibriums, the opening of through hole 8 can be added up to area be configured to, the zone of the opening total area maximum of through hole 8 is regional bigger by 5~10% than minimum.If be made as 8 five equilibriums or more than it, because the distribution of through hole 8 is therefore undesirable near evenly.
The shape of through hole 8 is not limited to graphic ellipse, also can be circle or rectangle, square etc., gets final product so long as can be communicated with the shape of inboard blank part 2A1 and outside blank part 2A2.
Opening length as through hole 8 preferably is made as 3~6mm.Moreover, in this so-called opening length, under oval-shaped situation, be major diameter and minor axis, under the situation of circle, be diameter, under situations such as rectangle or square cornerwise length by the center.If opening length is less than 3mm, just be difficult to bring into play effectively sound deadening.If the opposite 6mm that surpasses is undesirable on the intensity of circular shell 4.
As the opening gross area of the whole through holes 8 on the lateral surface 4a of circular shell 4, preferably the gross area with respect to the lateral surface 4a of circular shell 4 is made as 0.3~6.0%.If the opening gross area is undesirable on erasure effect less than 0.3%.If opposite to 6.0%, the intensity of circular shell 4 reduces, and might cause obstacle when running flat.
Moreover, in the circular shell 4 that disposes above-mentioned through hole 8 unevenly, the zone of above-mentioned five equilibrium, be identified as the zone that is divided in following such position, described position be when the line segment that makes this five equilibrium when Zhou Fangxiang moves 0~360 °, the opening of through hole 8 adds up to area to become maximum position in 1 zone arbitrarily.
The present invention, in above-mentioned example, illustration the bearing surface 6a of circular shell 4 are situations of 2, but the number of this bearing surface 6a is not limited to 2, also can be a plurality of more than 1 or 2 or 2.
Embodiment 1
Tire size is being made as 205/55R16, with rim size be made as be made as on 16 * 6 1/2JJ identical, making the shank with circular shell respectively is provided with concavo-convex, as Fig. 2 (A), the tire/wheel assembly of the present invention 1 of the formation (B) (assembly 1 of the present invention), connecting portion with support portion of circular shell is provided with concavo-convex, as Fig. 3 (A), the tire/wheel assembly of the present invention 2 of the formation (B) (assembly 2 of the present invention), and in tire/wheel assembly of the present invention, concavo-convex tire/wheel assembly in the past 1 (assembly 1 in the past) is not set on the shank of circular shell.
The sectional area of the hollow sectors of tire/wheel assembly 1,2 of the present invention, maximum secting area is bigger by 4% than minimum sectional area.
After air pressure is made as 200kPa, these are respectively tested on the manned vehicle that tire/wheel assembly is installed in 2.5 liters of free air capacities, when carrying out the ranking test of pavement noise, obtained result as shown in table 1 by method shown below.
Pavement noise
On dry drive test examination route, measure noise in the car when using speed per hour 50km straight-line travelling, and compare with local all values in 100~500Hz territory.Is that benchmark is represented with its result with in the past tire/wheel assembly.This value is more little, and pavement noise is low more, and noise performance is good more.
Table 1
Assembly 1 in the past Assembly 1 of the present invention Assembly 2 of the present invention
Pavement noise Benchmark -1.1dB -1.3dB
As known from Table 1, tire/wheel assembly of the present invention can improve the pavement noise that is caused by the gas column sympathetic response of airtyred blank part.
Embodiment 2
Be made as tire size and rim size identical with embodiment 1, be produced in and will between the zone of circular shell 4 five equilibriums the opening of through hole be added up to the tire/wheel assembly of the present invention 3~5 (assembly 3~5 of the present invention) and the tire/wheel assembly 1,2 relatively (relatively assembly 1,2) of the minimum and maximum difference formation that as table 2, be provided with, that have Fig. 4 of area, and the tire/wheel assembly in the past 2 (assembly 2 in the past) that through hole is not set.
The opening gross area of whole through holes of tire/wheel assembly 3~5 of the present invention and tire/wheel assembly 1,2 relatively is to be identical on 0.5% this point at the area with respect to the lateral surface of circular shell.
After air pressure is made as 200kPa, these are respectively tested on the manned vehicle that tire/wheel assembly is installed to 2.5 liters of free air capacities, when when carrying out the ranking test of pavement noise with the method shown in the embodiment 1, when taking the ranking test of sensibility, obtained the result shown in the table 2 with the method shown in following.
On dry drive test examination route, implement sensory test by the test driver, estimate its result with 5 stages.This value is big more, and then to take sensibility good more.
Table 2
Difference (%) Pavement noise Take sensibility
Assembly
2 in the past - Benchmark 3
Compare assembly 1 3 -0.1dB 3
Assembly 3 of the present invention 5 -0.9dB 3
Assembly 4 of the present invention 7 -1.1dB 3
Assembly 5 of the present invention 10 -1.2dB 3
Compare assembly 2 15 -1.2dB 2.5
As known from Table 2, tire/wheel assembly of the present invention can simultaneously be kept and take sensibility one side and improve pavement noise effectively.
Industrial utilizability
Tire/wheel assembly of the present invention with above-mentioned good effect, the tire/wheel assembly as being installed on the vehicle and can realizing running flat can very effectively utilize.

Claims (12)

1. tire/wheel assembly, this tire/wheel assembly, dispose to run flat and use supporter being installed in airtyred blank part on the wheel rim of wheel, this runs flat and simultaneously interior all sides is formed the circular shell of the shank of diverging into two leg shapes with supporter by outer circumferential side being made as bearing surface, with the resilient ring of aforementioned thigh support on wheel rim constituted, and with aforementioned circular shell, constitute along the mode that tire Zhou Fangxiang changes with sectional area by the hollow sectors of the aforementioned ring-type that surrounds with supporter and aforementioned air-inflation tyre of running flat, it is characterized in that, aforementioned circular shell has 2 kinds of different cross sectional shapes, and the part of these 2 kinds of different cross sectional shapes is configured in alternately on the zone of housing Zhou Fangxiang 4 five equilibriums.
2. tire/wheel assembly as claimed in claim 1 wherein, makes the sectional area of aforementioned hollow sectors, changes than minimum sectional area big 2% or the mode more than it with maximum secting area.
3. tire/wheel assembly as claimed in claim 1 or 2 wherein, changes the sectional area of aforementioned hollow sectors periodically.
4. tire/wheel assembly as claimed in claim 1 or 2 wherein, makes the cross sectional shape of the shank of aforementioned circular shell change along tire Zhou Fangxiang.
5. tire/wheel assembly as claimed in claim 1 or 2, wherein, aforementioned circular shell has via a plurality of bearing surfaces of connecting portion bonded assembly, and the cross sectional shape of this connecting portion is changed along tire Zhou Fangxiang.
6. tire/wheel assembly as claimed in claim 1 or 2, wherein, a plurality of housing chip bondings that will cut apart along housing Zhou Fangxiang and constitute aforementioned circular shell.
7. one kind runs flat and uses supporter, it is the deficency form supporter in the airtyred blank part that is configured on the wheel rim that is installed in wheel, this runs flat and uses supporter, simultaneously interior all sides are formed the circular shell of the shank of diverging into two leg shapes by outer circumferential side being made as bearing surface, with the resilient ring of aforementioned thigh support on wheel rim constituted, and aforementioned circular shell is constituted, disposing aforementioned running flat when using supporter, sectional area by the hollow sectors of this ring-type of surrounding with supporter and aforementioned air-inflation tyre of running flat changes along tire Zhou Fangxiang, it is characterized in that, aforementioned circular shell has 2 kinds of different cross sectional shapes, and the part of these 2 kinds of different cross sectional shapes is configured in alternately on the zone of housing Zhou Fangxiang 4 five equilibriums.
8. as claimed in claim 7 running flat used supporter, wherein, makes the sectional area of aforementioned hollow sectors, changes than minimum sectional area big 2% or the mode more than it with maximum secting area.
9. use supporter as claim 7 or 8 described running flat, wherein, the sectional area of aforementioned hollow sectors is changed periodically.
10. use supporter as claim 7 or 8 described running flat, wherein, the cross sectional shape of the shank of aforementioned circular shell is changed on housing Zhou Fangxiang.
11. use supporter as claim 7 or 8 described running flat, wherein, aforementioned circular shell has via a plurality of supporters of connecting portion bonded assembly, and the cross sectional shape of this connecting portion is changed on housing Zhou Fangxiang.
12. use supporter as claim 7 or 8 described running flat, wherein, a plurality of housing chip bondings that will cut apart along housing Zhou Fangxiang and constitute aforementioned circular shell.
CNB2004800046353A 2003-02-21 2004-02-19 Tire/wheel assembly body and supporting body for traveling with tire flat Expired - Fee Related CN100368213C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP043900/2003 2003-02-21
JP043892/2003 2003-02-21
JP2003043892 2003-02-21

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CN1750949A CN1750949A (en) 2006-03-22
CN100368213C true CN100368213C (en) 2008-02-13

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Publication number Priority date Publication date Assignee Title
FR3015360B1 (en) * 2013-12-20 2016-01-01 Michelin & Cie FLEXIBLE RIM WITH FLOATING HOOKS
JP6726089B2 (en) * 2016-12-15 2020-07-22 ヤンマーパワーテクノロジー株式会社 Work vehicle

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* Cited by examiner, † Cited by third party
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JPS56146409A (en) * 1980-03-24 1981-11-13 Gen Tire & Rubber Co Pneumatic tire assembled body
US5435363A (en) * 1993-02-19 1995-07-25 Pender; David R. Run-flat pneumatic tires including plural separate inserts
JPH10297226A (en) * 1997-02-24 1998-11-10 Continental Ag Wheel with pneumatic tire
CN1278765A (en) * 1997-11-14 2001-01-03 倍耐力轮胎公司 A tyre air-tube and related manufacturing process
JP2001519279A (en) * 1997-10-15 2001-10-23 コンテイネンタル・アクチエンゲゼルシヤフト Automobile wheels with emergency support
JP2002234304A (en) * 2001-02-09 2002-08-20 Bridgestone Corp Rim wheel with core and tire rim wheel assembly
US20020195183A1 (en) * 2001-06-26 2002-12-26 Michael Glinz Emergency support member

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56146409A (en) * 1980-03-24 1981-11-13 Gen Tire & Rubber Co Pneumatic tire assembled body
US5435363A (en) * 1993-02-19 1995-07-25 Pender; David R. Run-flat pneumatic tires including plural separate inserts
JPH10297226A (en) * 1997-02-24 1998-11-10 Continental Ag Wheel with pneumatic tire
JP2001519279A (en) * 1997-10-15 2001-10-23 コンテイネンタル・アクチエンゲゼルシヤフト Automobile wheels with emergency support
CN1278765A (en) * 1997-11-14 2001-01-03 倍耐力轮胎公司 A tyre air-tube and related manufacturing process
JP2002234304A (en) * 2001-02-09 2002-08-20 Bridgestone Corp Rim wheel with core and tire rim wheel assembly
US20020195183A1 (en) * 2001-06-26 2002-12-26 Michael Glinz Emergency support member

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