JPH025936B2 - - Google Patents
Info
- Publication number
- JPH025936B2 JPH025936B2 JP55174771A JP17477180A JPH025936B2 JP H025936 B2 JPH025936 B2 JP H025936B2 JP 55174771 A JP55174771 A JP 55174771A JP 17477180 A JP17477180 A JP 17477180A JP H025936 B2 JPH025936 B2 JP H025936B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- stop plates
- connecting parts
- elastic support
- plates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000013016 damping Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 6
- 229920002994 synthetic fiber Polymers 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/24—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the central part of the unit being supported by one element and both extremities of the unit being supported by a single other element, i.e. double acting mounting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Devices Of Dampers And Springs (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Description
【発明の詳細な説明】
この発明は、二つの外側接続部分と二つの互い
に結合された内側接続部分との間に設けられかつ
これらの接続部分と封隙状態で結合され、互いに
同軸に相対向しているゴム或いはゴムに類似した
合成物質から成る弾性要素と、これら両弾性要素
によつて囲繞され、減衰液で満たされた中空室と
を備え、この中空室が、互いに間隔をおきかつ本
質的に互いに平行に設けられた二つの内側接続部
分間にきつちりはめこまれた、開口部を有する二
枚のストツププレート間で軸方向に運動可能な一
個のダイヤフラムによつて二つの部分室に分割さ
れており、ダイヤフラムも両ストツププレートも
中央開口部を備えた、液圧により減衰作用を行
う、特に自動車の駆動エンジン用の弾性支持体に
関する。DETAILED DESCRIPTION OF THE INVENTION The present invention provides a device which is provided between two outer connecting portions and two mutually coupled inner connecting portions, which are coupled with these connecting portions in a sealed state, and which are coaxially opposed to each other. an elastic element made of rubber or rubber-like synthetic material; a hollow chamber surrounded by these elastic elements and filled with a damping fluid, the hollow chambers being spaced from each other and essentially The two partial chambers are separated by a diaphragm which is movable in the axial direction between two stop plates with openings which are tightly fitted between two inner connecting parts which are arranged parallel to each other. It relates to a hydraulically damping elastic support, in particular for a drive engine of a motor vehicle, in which both the diaphragm and the two stop plates have a central opening.
特開昭53−5376号公報から知られる公知の支持
体の欠点は、減衰液が充填された両方の部分室を
相互に連結する絞り開口部を前記部分室を相互に
分離するダイヤフラムに設けてあることにあり、
ダイヤフラムの各空間摺動と共に絞り開口部の位
置も変化したことにある。これによつて絞り開口
部において周波数の大きい振動と周波数の小さい
振動との重なりが生じ、これが目指す支持体機能
を損なわせる。 A disadvantage of the known support known from JP-A 53-5376 is that the diaphragm separating said partial chambers from each other is provided with a throttle opening which interconnects the two partial chambers filled with damping fluid. In certain things,
This is due to the fact that the position of the diaphragm opening also changes as the diaphragm slides in each space. This results in a superposition of high-frequency vibrations and low-frequency vibrations at the diaphragm opening, which impairs the intended support function.
更にこの公知の支持体には前記ダイヤフラムの
自由路が急激な衝撃によつて制限され、この衝撃
により極めて激しい開閉騒音が発生する欠点があ
る。 Furthermore, this known support has the disadvantage that the free path of the diaphragm is restricted by sudden shocks, which generate very strong switching noises.
この発明の課題は、できる限り簡単な構造によ
り前記欠点のない支持体を開発することにある。 The object of the invention is to develop a support which does not have the above-mentioned drawbacks and has a structure that is as simple as possible.
この課題をこの発明はたわみ性を有するダイヤ
フラムを周面全体でも両ストツププレート間に移
動不能に固定し、常時開いている中央開口を中心
にした部分でも両ストツププレート間に移動不能
に固定し、二つの固定箇所の間にできる環状の中
間部分をこの領域内に開口部を備えている両スト
ツププレートの間隔の大きさに従つてこれらのス
トツププレート間で軸方向に変形可能にすること
によつて解決した。 This invention solves this problem by fixing a flexible diaphragm immovably between both stop plates throughout its circumference, and fixing it immovably between both stop plates even in the area around the central opening that is always open. The annular intermediate portion formed between the two fixing points is provided with an opening in this area and can be deformed in the axial direction between the two stop plates according to the size of the gap between the two stop plates. It was solved by doing.
この発明による支持体は減衰液で満たされた両
方の部分室を分離するために唯一枚の可撓性のダ
イヤフラムを有し、このダイヤフラムの中心部に
は絞りとしての開口部があり、このダイヤフラム
は公知のものと異なつてその全周面でも二枚のス
トツププレートの間に移動不能に固定してあり、
絞り機能を有する常に開いている中央開口部を中
心とした部分でも二枚のストツププレートの間に
移動不能に固定してあり、両方の固定箇所の間に
残る、ダイヤフラムの環状の中間部分は、両方の
ストツププレートの間の領域に減衰液の自由な貫
流を可能にする開口部をもつストツププレート間
隔に応じて軸方向に変形する。 The support according to the invention has only one flexible diaphragm to separate the two partial chambers filled with damping fluid, in the center of which there is an opening as a diaphragm; differs from the known ones in that it is fixed immovably between two stop plates on its entire circumference,
The part centered on the always-open central opening that has the diaphragm function is also immovably fixed between two stop plates, and the annular middle part of the diaphragm that remains between both fixing points is , deforms axially depending on the spacing of the stop plates with openings in the region between both stop plates that allow free flow of damping fluid.
特に両方のストツププレートは、絞り開口部を
包囲しかつダイヤフラムの二つの固定箇所の一方
を形成する中心領域で向い合せに配設され、ダイ
ヤフラムが固定されるようにダイヤフラムと合体
される。この構成によりこの発明の支持体は特に
製造が容易になる。というのはこれによりダイヤ
フラムの固定と同時にストツププレートの間隔の
正確な寸法とダイヤフラムの自由路の寸法とが決
まるからである。この実施態様では更に、中央開
口部の形を色々に変えて減衰態様の異なる支持体
を構成することができる。 In particular, the two stop plates are arranged opposite each other in a central region surrounding the diaphragm opening and forming one of the two fixing points of the diaphragm, and are joined to the diaphragm in such a way that the diaphragm is fixed. This configuration makes the support of the invention particularly easy to manufacture. This is because the exact dimensions of the spacing of the stop plates and the dimensions of the free path of the diaphragm are determined simultaneously with the fixing of the diaphragm. Furthermore, in this embodiment, the shape of the central opening can be changed in various ways to construct supports with different damping characteristics.
この発明は、自動車の駆動ユニツト用の弾性支
持体のみに限定されず、振動及び支持体工学の他
の領域、たとえば、各種の定置式機械セツト及び
エンジンユニツトの支承及び同様の目的に応用し
ても充分な効果を挙げるものである。 The invention is not limited only to elastic supports for motor vehicle drive units, but has applications in other areas of vibration and support engineering, such as the support of various stationary machine sets and engine units and similar purposes. It also has sufficient effects.
図示した支持体は、ポツト状或いはベル状の２
個の金属製外側接続部分３，４を備えている。こ
れらの外側接続部分は、その開口部が相互に向か
い合い、スペーサスリーブ５及び、ここに詳細に
は図示されていない連結ねじによつて互いにきま
つた間隔を保つて固定されている。これらの外側
接続部分３，４は中空円錐台形のゴム弾性要素
６，７を介して幾何学的形状が類似しているが、
小さい２個の内側接続部分８，９に対して弾性を
もつて支持されている。内側接続部分８，９はそ
の縁辺部で直接相互に接触して関連する構成のユ
ニツトを形成する。このユニツトは側方の延長部
１８，１９を介して図示してない自動車の車台に
固定されている。同じく見易くするために図示し
てないエンジンは上部の外側接続部分３に支承さ
れ、この接続部分は固定ボルト１０を備えてい
る。ゴム弾性要素６，７は素材が馴染むように金
属製接続部分３，４，８，９と結合されて一緒に
加硫されている。３つの異なる振動方向における
それらの弾性値はその形態、ゴム混合物の調整及
び、適切な空〓の配設によつて望み通りに影響を
受けることができる。 The illustrated support is a pot-shaped or bell-shaped support.
It is provided with metal outer connecting parts 3, 4. These outer connecting parts have their openings facing each other and are fixed at a close distance from one another by means of a spacer sleeve 5 and a connecting screw, which is not shown in detail here. These outer connecting parts 3, 4 are similar in geometrical shape via hollow truncated conical rubber elastic elements 6, 7;
It is elastically supported on two small inner connecting parts 8, 9. The inner connecting parts 8, 9 directly contact each other at their edges and form a unit of related construction. This unit is fastened via lateral extensions 18, 19 to the chassis of a motor vehicle (not shown). The engine, which is also not shown for reasons of clarity, is mounted on the upper outer connecting part 3, which is provided with a fastening bolt 10. The rubber-elastic elements 6, 7 are joined to the metal connecting parts 3, 4, 8, 9 and vulcanized together in a material-compatible manner. Their elastic values in the three different vibration directions can be influenced as desired by the configuration, the adjustment of the rubber mixture and the suitable arrangement of the cavities.
内側接続部分８，９は減衰液の通過を絞らない
ための開口部２８，２９を有し、外側接続部分
３，４の内側と弾性要素６，７の内側表面との間
に形成されダイヤフラム５０によつて相互に分離
された部分室１１と１１′は減衰液で満たされて
いる。ダイヤフラム５０は開口部５３，５４を備
えた剛性のストツププレート５１，５２から僅か
に離れて両側でとめてある。局部的に合体された
ダイヤフラム５０とストツププレート５１，５２
を貫く狭い開口部５５は弾性運動中に脚部を通過
させるためのダイヤフラム５０の両側の部分室１
１と１１′との間の絞り結合部になつている。 The inner connecting parts 8 , 9 have openings 28 , 29 for not restricting the passage of the damping fluid, and are formed between the inner side of the outer connecting parts 3 , 4 and the inner surface of the elastic elements 6 , 7 and have a diaphragm 50 . The partial chambers 11 and 11', separated from each other by , are filled with damping fluid. The diaphragm 50 is stopped on both sides at a slight distance from rigid stop plates 51, 52 with openings 53, 54. Diaphragm 50 and stop plates 51, 52 locally combined
Narrow openings 55 through the diaphragm 50 provide partial chambers 1 on both sides of the diaphragm 50 for passage of the legs during elastic movement.
1 and 11'.
たとえば回転中の自動車エンジンの振動によつ
て生じるような、周波数は大きいが小さい振幅で
支持体に負荷が加わる場合部分室１１，１１′中
に生じる圧力変化はそれに応じて専らストツププ
レート５１と５２の間の自由路の中でダイヤフラ
ム５０を偏向させ、減衰液を中央開口部５５から
溢れさせることも振動を減衰させることもない。
それに反して振幅の大きい負荷が生じるとそれだ
け強く弾性要素６，７を変化させ、たとえば車道
の衝撃によつてまずダイヤフラム５０がその都度
負荷の作用方向に当該のストツププレート５１ま
たは５２に当接し、次に減衰液が中央開口部を通
つて部分室１１から部分室１１′へまたはその逆
に押し込まれ、偏向運動は強い減衰に負ける結果
となる。 If the support is loaded with high frequency but low amplitude, such as is caused by the vibrations of a rotating automobile engine, the pressure changes that occur in the partial chambers 11, 11' are correspondingly exclusively caused by the stop plate 51. The diaphragm 50 is deflected in a free path between 52 without allowing damping fluid to overflow the central opening 55 or damping vibrations.
On the other hand, the occurrence of loads with large amplitudes causes a stronger change in the elastic elements 6, 7, such that, for example, due to a road impact, the diaphragm 50 first comes into contact with the respective stop plate 51 or 52 in the direction of the load. , then the damping liquid is forced through the central opening from the partial chamber 11 to the partial chamber 11' and vice versa, with the result that the deflection movement is overcome by strong damping.
この機能態様はこの発明の支持体で次のように
して最良のものになる。即ち中央開口部５５が支
持体の片側に剛に結合されており、従つて中央開
口部における減衰液の運動が重なりかつ支持体の
定義された目標の弾性・減衰作用を損なう自由な
固有の運動ができないということである。更に公
知の剛性の板状の、全体が軸方向に移動するダイ
ヤフラムの場合に生じることがある騒音がダイヤ
フラム５０のこの発明による前記縁部・中心部の
固定によつて防止される。その結果ダイヤフラム
は急激でなく、漸進的に緩やかにストツププレー
ト５１，５２に当接する。 This functional aspect is best achieved in the support of the invention as follows. That is, the central opening 55 is rigidly connected to one side of the support, so that the movement of the damping fluid in the central opening overlaps and has a free natural movement that impairs the defined target elastic damping action of the support. This means that it is not possible. Furthermore, noises which can occur in the case of known rigid, plate-shaped, entirely axially moving diaphragms are prevented by the inventive edge-to-center fixing of the diaphragm 50. As a result, the diaphragm comes into contact with the stop plates 51, 52 not abruptly but gradually and gently.
添付図は弾性支持体の軸方向断面を示す。
図中符号 ３，４…外側接続部分、６，７…ゴ
ム製弾性要素、８，９…内側接続部分、１１，１
３，１４…中空空間、２８，２９，５３，５４…
開口部、３０，３１，５０…ダイヤフラム、５
１，５２…ストツププレート。
The attached figure shows an axial section through the elastic support. Symbols in the figure 3, 4...Outer connection part, 6, 7...Rubber elastic element, 8, 9...Inner connection part, 11, 1
3, 14...Hollow space, 28, 29, 53, 54...
Opening, 30, 31, 50...Diaphragm, 5
1,52...stop plate.
Claims (1)
た内側接続部分との間に設けられかつこれらの接
続部分と封〓状態で結合され、互いに同軸に相対
向しているゴム或いはゴムに類似した合成物質か
ら成る弾性要素と、これらの弾性要素によつて囲
繞され、減衰液で満たされた中空室とを備え、こ
の中空室が、相対的に間隔をおきかつ本質的に互
いに平行に設けられて二つの内側接続部分間にき
つちりはめこまれた、開口部を有する二枚のスト
ツププレート間で軸方向に運動可能な一個のダイ
ヤフラムによつて二つの部分室に分割されてお
り、ダイヤフラムも両ストツププレートも一個の
中央開口部を備えた、液圧により減衰作用を行
う、特に自動車の駆動エンジン用の弾性支持体に
おいて、たわみ性を有するダイヤフラム５０が周
面全体でも両ストツププレート５１，５２間に移
動不能に固定され、常時開いている中央開口部５
５を中心にした部分でも両ストツププレート５
１，５２間に移動不能に固定されており、二つの
固定箇所間にできる環状の中間部分がこの領域内
に開口部５３，５４を備えている両ストツププレ
ート５１，５２の間隔の大きさに従つてこれらの
プレート間で軸方向に変形可能であることを特徴
とする、弾性支持体。 ２ 両ストツププレート５１，５２がダイヤフラ
ム５０の二つの固定位置のうちの一方を形成する
中央領域内で互いに向き合つて間に入れたダイヤ
フラム５０と合体され、その結果ダイヤフラム５
０はこの領域でストツププレート５１，５２間に
挾み込まれて固定される特許請求の範囲１記載の
弾性支持体。[Claims] 1. Rubbers provided between two outer connecting parts and two mutually connected inner connecting parts, connected to these connecting parts in a sealed state, and coaxially facing each other. or alternatively, comprising elastic elements made of a synthetic material similar to rubber and hollow chambers surrounded by these elastic elements and filled with damping fluid, the hollow chambers being relatively spaced and essentially Divided into two subchambers by a diaphragm movable in the axial direction between two stop plates with openings, parallel to each other and tightly fitted between the two inner connecting parts. In a hydraulically damped elastic support, in particular for a drive engine of a motor vehicle, in which both the diaphragm and both stop plates have a central opening, a flexible diaphragm 50 covers the entire circumferential surface. However, the central opening 5 is fixed immovably between both stop plates 51 and 52 and is always open.
Even in the area centered on 5, both stop plates 5
1, 52, and the annular intermediate portion formed between the two fixing points has an opening 53, 54 in this area. An elastic support, characterized in that it is axially deformable between these plates according to. 2. Both stop plates 51, 52 are joined to the interposed diaphragm 50 facing each other in a central region forming one of the two fixing positions of the diaphragm 50, so that the diaphragm 5
2. The elastic support according to claim 1, wherein the elastic support member 0 is sandwiched and fixed between the stop plates 51 and 52 in this region.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792950109 DE2950109A1 (en) | 1979-12-13 | 1979-12-13 | ELASTIC BEARING |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5694047A JPS5694047A (en) | 1981-07-30 |
| JPH025936B2 true JPH025936B2 (en) | 1990-02-06 |
Family
ID=6088347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17477180A Granted JPS5694047A (en) | 1979-12-13 | 1980-12-12 | Elastic bearing |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5694047A (en) |
| DE (1) | DE2950109A1 (en) |
| FR (1) | FR2472116A1 (en) |
| GB (1) | GB2068079B (en) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2122718A (en) * | 1982-06-25 | 1984-01-18 | Dunlop Ltd | Fluid damped resilient mountings |
| DE3225701C2 (en) * | 1982-07-09 | 1986-03-20 | Fa. Carl Freudenberg, 6940 Weinheim | Elastic rubber mount |
| DE3244296A1 (en) * | 1982-11-30 | 1984-05-30 | Metzeler Kautschuk GmbH, 8000 München | TWO-CHAMBER ENGINE MOUNT WITH HYDRAULIC DAMPING |
| GB8313111D0 (en) * | 1983-05-12 | 1983-06-15 | Avon Ind Polymers | Hydraulically damped mounting |
| US4595183A (en) * | 1983-03-09 | 1986-06-17 | Bridgestone Tire Company Limited | Vibration isolating device |
| US4733854A (en) * | 1983-06-10 | 1988-03-29 | Honda Giken Kogyo Kabushiki Kaisha | Fluid sealed mounting |
| EP0133588B1 (en) * | 1983-08-15 | 1989-11-08 | Bridgestone Corporation | Vibration isolating device and system |
| JPS6040843A (en) * | 1983-08-15 | 1985-03-04 | Bridgestone Corp | Orifice structure for vibration-proof device |
| DE8329111U1 (en) * | 1983-10-08 | 1988-08-04 | Phoenix Ag, 2100 Hamburg | Elastic bearing with hydraulic damping |
| FR2555273A1 (en) * | 1983-11-22 | 1985-05-24 | Hutchinson Sa | Improvements made to hydraulic anti-vibration supports |
| US4588173A (en) * | 1983-11-23 | 1986-05-13 | General Motors Corporation | Hydraulic-elastomeric mount |
| US4630808A (en) * | 1983-12-28 | 1986-12-23 | Bridgestone Corporation | Vibration isolating devices |
| US4651980A (en) * | 1984-02-21 | 1987-03-24 | Honda Giken Kogyo Kabushiki Kaisha | Vibration isolator |
| JPS60179541A (en) * | 1984-02-27 | 1985-09-13 | Nissan Motor Co Ltd | Liquid charged power unit mount device |
| DE3417927A1 (en) * | 1984-05-15 | 1985-11-21 | Continental Gummi-Werke Ag, 3000 Hannover | ELASTIC BEARING FOR MOTORS, MACHINE UNITS AND THE LIKE |
| DE3441592A1 (en) * | 1984-11-14 | 1986-05-15 | Continental Gummi-Werke Ag, 3000 Hannover | HYDRAULIC DAMPED ELASTIC BEARING |
| DE3501111C2 (en) * | 1985-01-15 | 1986-12-04 | Fa. Carl Freudenberg, 6940 Weinheim | Engine mounts |
| DE3501112C2 (en) * | 1985-01-15 | 1986-12-04 | Fa. Carl Freudenberg, 6940 Weinheim | Engine mounts |
| FR2577641B1 (en) * | 1985-02-15 | 1989-05-05 | Hutchinson | IMPROVEMENTS ON HYDRAULIC ANTIVIBRATORY SUPPORTS |
| US4679777A (en) * | 1985-10-07 | 1987-07-14 | General Motors Corporation | Hydraulic-elastomeric mount displacement decoupler |
| US4664363A (en) * | 1985-10-07 | 1987-05-12 | General Motors Corporation | Hydraulic-elastomeric mount displacement decoupler |
| JPH0239068Y2 (en) * | 1985-11-08 | 1990-10-19 | ||
| FR2590344B1 (en) * | 1985-11-18 | 1989-11-17 | Hutchinson Sa | IMPROVEMENTS ON HYDRAULIC SHOCK ABSORBERS |
| FR2592114B1 (en) * | 1985-12-24 | 1989-12-29 | Hutchinson Sa | IMPROVEMENTS ON HYDRAULIC ANTIVIBRATORY SUPPORTS |
| FR2602292B1 (en) * | 1986-07-30 | 1990-09-07 | Hutchinson | IMPROVEMENTS ON HYDRAULIC SHOCK ABSORBERS |
| GB8730005D0 (en) * | 1987-12-23 | 1988-02-03 | Avon Ind Polymers | Hydraulically damped mounting device |
| DE4041837C1 (en) * | 1990-12-24 | 1992-04-30 | Boge Ag, 5208 Eitorf, De |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS535376A (en) * | 1976-06-30 | 1978-01-18 | Peugeot | Damping device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2648526C3 (en) * | 1976-10-27 | 1979-09-06 | Boge Gmbh, 5208 Eitorf | Two-chamber engine mount |
-
1979
- 1979-12-13 DE DE19792950109 patent/DE2950109A1/en active Granted
-
1980
- 1980-12-04 GB GB8038934A patent/GB2068079B/en not_active Expired
- 1980-12-11 FR FR8026313A patent/FR2472116A1/en active Granted
- 1980-12-12 JP JP17477180A patent/JPS5694047A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS535376A (en) * | 1976-06-30 | 1978-01-18 | Peugeot | Damping device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2950109C2 (en) | 1988-04-21 |
| FR2472116A1 (en) | 1981-06-26 |
| DE2950109A1 (en) | 1981-07-02 |
| JPS5694047A (en) | 1981-07-30 |
| GB2068079A (en) | 1981-08-05 |
| FR2472116B3 (en) | 1982-05-07 |
| GB2068079B (en) | 1984-10-03 |
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