JPS6255207A - Air-suspension unit - Google Patents
Air-suspension unitInfo
- Publication number
- JPS6255207A JPS6255207A JP19546685A JP19546685A JPS6255207A JP S6255207 A JPS6255207 A JP S6255207A JP 19546685 A JP19546685 A JP 19546685A JP 19546685 A JP19546685 A JP 19546685A JP S6255207 A JPS6255207 A JP S6255207A
- Authority
- JP
- Japan
- Prior art keywords
- air
- auxiliary
- air chamber
- auxiliary tank
- sound absorbing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 11
- 238000013016 damping Methods 0.000 claims abstract description 10
- 239000011358 absorbing material Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000277269 Oncorhynchus masou Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/0416—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics regulated by varying the resiliency of hydropneumatic suspensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/0416—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics regulated by varying the resiliency of hydropneumatic suspensions
- B60G17/0424—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics regulated by varying the resiliency of hydropneumatic suspensions by varying the air pressure of the accumulator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0521—Pneumatic spring characteristics the spring having a flexible wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/08—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall
- F16F9/084—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall comprising a gas spring contained within a flexible wall, the wall not being in contact with the damping fluid, i.e. mounted externally on the damper cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vehicle Body Suspensions (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、例えば自動車等の車両懸架装置として用い
られるエアサスペンションに関し、ざらに詳しく言うと
容積可変の主空気室を有するエアスプリングと、補助空
気室を有する補助タンクと、主空気室と補助空気室とを
連通接続する導管とを備えたエフサスペンションにｌｌ
Ｉするものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to an air suspension used as a vehicle suspension system for, for example, an automobile. An F suspension equipped with an auxiliary tank having an air chamber and a conduit that communicates and connects the main air chamber and the auxiliary air chamber.
It is something that I do.
〔従来の技術）
従来のエアサスペンションは、本体内部の空気の容轡に
よりその系のばね定数を特性させるものであったが、自
動ＩＩ等におい−（はエアサスベンジーンに加わる荷重
の変化が大きく、でれに応じてエアサスペンションのば
ね定数を変化ｃＩＣｔ！ることにより系り心地及び操縦
安定性を確保する技術が開発されるに至った。このよう
な技術の中で、エアサスペンション系に補助室を設ける
ことによりエアサスペンション系全体のばね定数を変化
させる技術が用いられるようになった。例えば、第７図
に示すように、ｖＩｌｌｉ可変の主空気＃Ｊ２を有する
エフスプリング１と、容積不変の補助空気室４を有する
補助タンク３と、主空気室２と補助空気室４とを連通接
続する１１５とを備えたものが知られている。空気供給
バイブロは補助タンク３に接続され、補助空気ｖ４に空
気を供給するようになっている。エアスプリング１は下
部筒体７に鉤状可撓躾８の一端を固着し、この筒状可撓
躾８の他端を下部筒体７に固着し、主空気室２を容積可
変に構成しである。下部筒体９にはショックアブソーバ
−を構成するシリンダ１０が固着され、このシリンダ１
０には軸線方向に上下動可能なロッド１１が設けられて
いる。シリンダ１０及びロッド１１には夫々取付用アイ
プツシコ１２．１２が取付けである。この第７図に示ケ
従来例では、主空気室の上部に補助タンク３を重ねるよ
うに設けた例を示すが、補助タンク３は、第８図に示す
ように主空気室２から離間して設けたものが知られてい
る。[Prior art] Conventional air suspensions have characteristics of the spring constant of the system depending on the volume of air inside the main body. , a technology has been developed that ensures system comfort and handling stability by changing the spring constant of the air suspension according to the pressure. A technique has been used to change the spring constant of the entire air suspension system by providing a chamber.For example, as shown in Fig. 7, F-Spring 1 has a variable main air #J2, and a A device is known that includes an auxiliary tank 3 having an auxiliary air chamber 4 of The air spring 1 is designed to supply air to the air v4.The air spring 1 has one end of a hook-shaped flexible stem 8 fixed to the lower cylinder 7, and the other end of this cylindrical flexible stem 8 to the lower cylinder 7. The main air chamber 2 is configured to have a variable volume.A cylinder 10 constituting a shock absorber is fixed to the lower cylindrical body 9.
0 is provided with a rod 11 that can move up and down in the axial direction. Mounting eyes 12 and 12 are attached to the cylinder 10 and rod 11, respectively. In the conventional example shown in FIG. 7, the auxiliary tank 3 is provided so as to overlap the top of the main air chamber, but the auxiliary tank 3 is separated from the main air chamber 2 as shown in FIG. It is known that it has been set up.
（解決しようとする問題点）
第７図及び第８図に示す補助タンク３を備えたエアサス
ペンションでは、補助タンク３内に出入りする空気の流
れによる発生する騒音が間離となっていた。(Problems to be Solved) In the air suspension equipped with the auxiliary tank 3 shown in FIGS. 7 and 8, the noise generated by the flow of air in and out of the auxiliary tank 3 is separated.
イこで、この発明１よ補助タンク内に出入りする空気の
流れにより発生する騒音を防止することを目的どする。Therefore, it is an object of the present invention to prevent noise generated by the flow of air into and out of the auxiliary tank.
上述の目的を達成するため、この発明は、補助空気室に
制振材若しくは吸音材を取付けたものである。In order to achieve the above object, the present invention includes a damping material or a sound absorbing material attached to the auxiliary air chamber.
補助タンク３内の導１１５の一端に対向する面に厚み３
０１１の吸音材を設けたとき、補助タンク３から１ｍＭ
れた地点での騒音が吸音材がない場合に６０ホンであっ
たものが、級音材を取付けることにより４８〜５１ホン
になった。There is a thickness of 3 on the surface facing one end of the conductor 115 inside the auxiliary tank 3.
When the sound absorbing material of 011 is installed, 1mM from the auxiliary tank 3
The noise level at the point where the sound absorber was installed was 60 phon without the sound absorbing material, but with the addition of the sound absorbing material, the noise was reduced to 48 to 51 phon.
ｌス下にこの発明の好適な＊施例を図面を参照にして説
明する。Below, preferred embodiments of the present invention will be described with reference to the drawings.
第１図に示を第１実施例は、補助タンク３を主空気室２
の上に重ねて設けたものを示し、構造自体は、第７図に
示すものと同様であり、同一部材には同一符号を付しそ
の説明は省略す°る。この第１実施例において、第７図
に示す従来例と異なる点は、補助タンク３の外周面に制
振材１３を貼付又は塗布した点である。この−１振材１
３は補助タンク３を覆うと共に、一部が上部同体７の一
部をも覆っている。このυ」振材１３の取付けにより、
補助タンク１３の内部で発生した騒音により壁が加振さ
れる度合を低下させ、その結果外部へ放射される騒音を
低下させることができた。制振材１３の代りに制振性を
有する吸音材１４を貼＋１又は塗布しても良い。In the first embodiment shown in FIG. 1, the auxiliary tank 3 is connected to the main air chamber 2.
The structure itself is the same as that shown in FIG. 7, and the same members are given the same reference numerals and their explanations will be omitted. This first embodiment differs from the conventional example shown in FIG. 7 in that a damping material 13 is pasted or coated on the outer peripheral surface of the auxiliary tank 3. This -1 swing material 1
3 covers the auxiliary tank 3 and also partially covers the upper body 7. By installing this υ” vibration material 13,
The degree to which the wall is vibrated by the noise generated inside the auxiliary tank 13 can be reduced, and as a result, the noise radiated to the outside can be reduced. Instead of the damping material 13, a sound absorbing material 14 having damping properties may be pasted or applied.
＠２図に示す実施例は、第８図に承り従来例と構造は同
一である。第８図に示ζ従来例と異なる点は、補助タン
ク３の外側周面に−ｊ振材１３を貼付又は塗布した点で
ある。こめ−Ｊ振材１３は制振性を有する吸音材１４で
あっても良い。The embodiment shown in Figure 2 has the same structure as the conventional example shown in Figure 8. The difference from the conventional example shown in FIG. 8 is that -j vibration material 13 is pasted or coated on the outer peripheral surface of the auxiliary tank 3. The Kome-J vibration material 13 may be a sound absorbing material 14 having vibration damping properties.
銅３−に示す第３実施例は、゛第２図に示１実施例と同
一構造のものにおいて、制振材１３を補助タンク３の内
周面に１布又は貼付したものである。The third embodiment shown in Copper 3- has the same structure as the first embodiment shown in FIG.
第４図に示す第４実施例は、第３図に示す゛実施例にお
いて、制振材１３の代りに吸音材１４−を補助タンク３
の内藺面に塗布又は貼付したものである。The fourth embodiment shown in FIG. 4 is similar to the embodiment shown in FIG.
It is applied or pasted on the inner surface of the
この第４実施例では、補助タンク３の内部の騒音の反響
を減少させ、その結果補助タンク３の外への騒音を減少
させることが可＃ｌとなる。−音材１４としては、ウレ
タンフオーム、グラスウール等多孔質材料が多いため、
−助タンク３の内面に貼付する場合番よ、空気流によ８
吸音材の画数防止のため表面に保護フィルム１５をｈす
る吸音４４１４が使用される。In this fourth embodiment, it is possible to reduce the echo of the noise inside the auxiliary tank 3, and as a result, reduce the noise to the outside of the auxiliary tank 3. - Since the sound material 14 is often made of porous materials such as urethane foam or glass wool,
- When pasting on the inner surface of the auxiliary tank 3, depending on the air flow 8
A sound absorbing material 4414 having a protective film 15 on its surface is used to prevent the number of strokes of the sound absorbing material.
第５図に示４第５実１に例では、導管５の補助空気室４
内に突出する先端部を取囲むように補助空気室４内に隔
Ｗ１６を設け、この隔１１６の内面に吸音材１４を取付
けたものである。In the example shown in FIG. 5, the auxiliary air chamber 4 of the conduit 5
A gap W16 is provided in the auxiliary air chamber 4 so as to surround the tip portion projecting inward, and a sound absorbing material 14 is attached to the inner surface of this gap 116.
第６回に示を第６実施例では、補助タンク３内部に、導
管５の先端と対向する個所に隔Ｗ！１６を設け、この隅
！！１６の、Ｆ面に吸音材１４を取付けたものである。In the sixth embodiment shown in Part 6, there is a gap W! Set up 16 in this corner! ! 16, with a sound absorbing material 14 attached to the F side.
導管５の途中には電磁弁１７を設け、この電磁弁１７に
よりばね定数を蛮更できるように構成しである。この吸
音材１４０表面にも保護フィルム１５を取付°けである
。この第６実施例において、補助タンク３は板厚１．６
ｕの鉄製タンクを用い、高さを２８０籠、直径を１２Ｏ
ｎとした。隔壁１６は、１．６１１の厚みを持った鉄板
でアングル状に折曲げたものを使用し、吸音１１４を取
付ける個所は直径１００龍の円板とした。A solenoid valve 17 is provided in the middle of the conduit 5, and the solenoid valve 17 is configured to be able to vary the spring constant. A protective film 15 is also attached to the surface of this sound absorbing material 140. In this sixth embodiment, the auxiliary tank 3 has a plate thickness of 1.6
Using a U iron tank, the height is 280 and the diameter is 12O.
It was set as n. The partition wall 16 is made of a steel plate with a thickness of 1.611 mm bent into an angle shape, and the location where the sound absorption 114 is attached is a circular plate with a diameter of 10 mm.
級音材１４としては３０ｕの厚みを持ったウレタンフオ
ームを用い、保護フィルｌい１５としてはＯ０１ｍ■の
厚みを持った塩化ビニルシートを用いた。As the sound material 14, a urethane foam with a thickness of 30 μm was used, and as the protective film 15, a vinyl chloride sheet with a thickness of 001 μm was used.
この第６図に示す第６実施例において、Ｍ１１６ど吸音
ｔ４１４を取除いたものでは、補助タンク３から１ｍｌ
離れた地点で騒音を測定したら６０ホンであった。そし
て、１ｌｉｉｉｌ！１６及び吸音材１４を取＋Ｊけだ第
６実施例のものでは補助タンク３より１ｍｌれた地点で
の騒音は４８〜５１ホンに減少した。In the sixth embodiment shown in FIG. 6, in which the M116 sound absorbing T414 is removed, 1ml is
When I measured the noise from a remote location, it was 60 phons. And 1liiiil! In the sixth embodiment in which the sound absorbing material 16 and the sound absorbing material 14 were removed, the noise at a point 1 ml away from the auxiliary tank 3 was reduced to 48 to 51 phon.
以上説明したように、本発明は、補助空気堅に制振材若
しくは吸音材を取付けたので、補助タンクに挿入された
導管の先端から空気が出入りする際発生り−る騒音が補
助タンクの内部で響き、補助タンクの壁を透過し或いは
補助タンクの壁を振動させ、壁面からの放射音として外
部へ騒音が伝播するのを有効に防止することができる。As explained above, in the present invention, a vibration damping material or a sound absorbing material is attached to the auxiliary air tank, so that the noise generated when air enters and exits from the tip of the conduit inserted into the auxiliary tank can be removed from the inside of the auxiliary tank. It is possible to effectively prevent the noise from propagating to the outside as sound radiated from the wall surface by echoing through the wall of the auxiliary tank or vibrating the wall of the auxiliary tank.
第１図はこの発明の第１実施例を示す断面図、事２図は
第２実施例を示す断面図、第３図は第３鍵施例をホブ断
面図、第４図番よ第４実施例を示ず断面図、第５図は第
５実施例を示す断面図、第６図は第６実施例を示り断面
図、第７図は従来例を示す断面図、第８図番よ同じ〈従
来例を示す断面図である。
１・・・・・・エアスプリング、
２・・・・・・主空気室、
３・・・・・・補助タンク、
４・・・・・・補助空気室、
５・・・・・・導管、
１３・・・・・・制振材、
１４・・・・・・吸音材。
出願人 株式会社 ブリデストン
代理人 弁理士 増 １）竹 夫
第３図
第４ｒＩ！Ｊ
第５図
第６図
憾 ″−１ＦFig. 1 is a sectional view showing the first embodiment of the present invention, Fig. 2 is a sectional view showing the second embodiment, Fig. 3 is a sectional view of the hob of the third key embodiment, and Fig. 4 is a sectional view showing the third key embodiment. 5 is a sectional view showing the fifth embodiment; FIG. 6 is a sectional view showing the sixth embodiment; FIG. 7 is a sectional view showing the conventional example; FIG. FIG. 2 is a sectional view showing the same conventional example. 1... Air spring, 2... Main air chamber, 3... Auxiliary tank, 4... Auxiliary air chamber, 5... Conduit , 13... Damping material, 14... Sound absorbing material. Applicant Brideston Co., Ltd. Agent Patent Attorney Masu 1) Takeo Figure 3 Figure 4rI! J Figure 5 Figure 6 ``-1F
Claims (1)
積不変の補助空気室を有する補助タンクと、主空気室と
補助空気室とを連通接続する導管とを有するエアサスペ
ンションにおいて、 補助空気室に制振材若しくは吸音材を取付けたことを特
徴とするエアサスペンション。[Scope of Claims] 1. An air suspension having an air spring having a main air chamber with a variable volume, an auxiliary tank having an auxiliary air chamber with a constant volume, and a conduit that communicates and connects the main air chamber and the auxiliary air chamber. An air suspension characterized in that a damping material or a sound absorbing material is attached to an auxiliary air chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19546685A JPH0645287B2 (en) | 1985-09-04 | 1985-09-04 | Air-suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19546685A JPH0645287B2 (en) | 1985-09-04 | 1985-09-04 | Air-suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6255207A true JPS6255207A (en) | 1987-03-10 |
| JPH0645287B2 JPH0645287B2 (en) | 1994-06-15 |
Family
ID=16341546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19546685A Expired - Lifetime JPH0645287B2 (en) | 1985-09-04 | 1985-09-04 | Air-suspension |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0645287B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6343781B1 (en) * | 1999-05-18 | 2002-02-05 | Bayerische Motoren Werke Aktiengesellschaft | Gas spring for a steerable vehicle wheel |
| WO2004097248A1 (en) * | 2003-05-02 | 2004-11-11 | Continental Aktiengesellschaft | Air spring for a motor vehicle |
| JP2006183851A (en) * | 2004-12-28 | 2006-07-13 | Shin Caterpillar Mitsubishi Ltd | Layout structure of air chamber made of resin for operating oil tank |
| JP2014105865A (en) * | 2012-11-22 | 2014-06-09 | Dr Ing Hcf Porsche Ag | Pneumatic spring device |
| DE102020129474A1 (en) | 2020-11-09 | 2022-05-12 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Air spring of a spring device for a motor vehicle |
-
1985
- 1985-09-04 JP JP19546685A patent/JPH0645287B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6343781B1 (en) * | 1999-05-18 | 2002-02-05 | Bayerische Motoren Werke Aktiengesellschaft | Gas spring for a steerable vehicle wheel |
| WO2004097248A1 (en) * | 2003-05-02 | 2004-11-11 | Continental Aktiengesellschaft | Air spring for a motor vehicle |
| JP2006183851A (en) * | 2004-12-28 | 2006-07-13 | Shin Caterpillar Mitsubishi Ltd | Layout structure of air chamber made of resin for operating oil tank |
| JP2014105865A (en) * | 2012-11-22 | 2014-06-09 | Dr Ing Hcf Porsche Ag | Pneumatic spring device |
| DE102020129474A1 (en) | 2020-11-09 | 2022-05-12 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Air spring of a spring device for a motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0645287B2 (en) | 1994-06-15 |
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