JPS6263141A - Fuel injection pump for internal combustion engine - Google Patents
Fuel injection pump for internal combustion engineInfo
- Publication number
- JPS6263141A JPS6263141A JP21420886A JP21420886A JPS6263141A JP S6263141 A JPS6263141 A JP S6263141A JP 21420886 A JP21420886 A JP 21420886A JP 21420886 A JP21420886 A JP 21420886A JP S6263141 A JPS6263141 A JP S6263141A
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection pump
- drive wheel
- centrifugal weight
- pump according
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
- F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
- F02M41/10—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor
- F02M41/12—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor
- F02M41/123—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor characterised by means for varying fuel delivery or injection timing
- F02M41/125—Variably-timed valves controlling fuel passages
- F02M41/126—Variably-timed valves controlling fuel passages valves being mechanically or electrically adjustable sleeves slidably mounted on rotary piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
- F02D1/02—Controlling fuel-injection pumps, e.g. of high pressure injection type not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered
- F02D1/04—Controlling fuel-injection pumps, e.g. of high pressure injection type not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered by mechanical means dependent on engine speed, e.g. using centrifugal governors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
機とを有し、該調速機の回転する受容部材内に、駆動輪
と結合された旋回可能な遠心おもりが配設されている形
式のものに関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application A speed governor having a rotating receiving member in which a pivotable centrifugal weight connected to a drive wheel is arranged. Regarding.
従来の技術
従来は自動車の内燃機関において負荷変化が突然生じた
場合、燃料調量が十分に迅速にその負荷変化に適応され
ないので、該内燃機関の回転数変化が生じ、それによっ
て車両の急跳現象が発生してしまう。2. Description of the Prior Art Conventionally, when a load change occurs suddenly in an internal combustion engine of a motor vehicle, the fuel metering is not adapted to the load change quickly enough, resulting in a change in the rotational speed of the internal combustion engine, which causes a jump in the vehicle. A phenomenon occurs.
発明の課題
従って本発明の課題は上記の欠点を防ぐために冒頭に述
べた形式の燃料噴射ポンプにおいて、回転数変化と燃料
量適合との間の移相を小さくすることである。SUMMARY OF THE INVENTION It is therefore an object of the invention to provide a fuel injection pump of the type mentioned at the outset with a small phase shift between rotational speed change and fuel quantity adaptation in order to avoid the above-mentioned disadvantages.
課題を解決するための手段
上記の課題は本発明によれば、遠心おも）を備えた受容
部材と駆動輪とが互いに相対的に制限されて回転可能で
あり、また受容部材と駆動輪との相対回転に応動する調
節装置が調量部材に作用することによって解決された。Means for Solving the Problems According to the invention, the above-mentioned problem is achieved in that the receiving member with the centrifugal weight and the driving wheel are rotatable in a limited manner relative to each other, and that the receiving member and the driving wheel are rotatable relative to each other. The solution is that an adjusting device responsive to the relative rotation of the metering member acts on the metering member.
発明の利点
本発明の構成によれば調速機の各部材の質量慣性を利用
することによって、迅速な燃料量適合が達成されかつ延
いては車両の急跳現象が緩衝される。Advantages of the Invention According to the embodiment of the invention, by utilizing the mass inertia of the various parts of the speed governor, rapid fuel quantity adaptation is achieved and, in turn, jump phenomena of the vehicle are damped.
実施例
図面には分配型構造の燃料噴射ポンプの１部分が示され
ている。シリンダ１内にポンプピストン２が回転及び摺
動可能に配置されておシ、このポンプピストン２には駆
動軸３によってクラッチユニット４とカム伝動装置５と
を介して、往復しかつ同時に回転する運動が与えられる
。The drawing shows a portion of a fuel injection pump of distributed design. A pump piston 2 is rotatably and slidably disposed within the cylinder 1, and the pump piston 2 is provided with a movement that reciprocates and rotates at the same time via a clutch unit 4 and a cam transmission 5 by a drive shaft 3. is given.
このポンプぎストン２はその自由な端面を以って圧力又
は作業室６を制限し、ポンプピストン２の吸込み行程時
にはこの室６内に、ポンプピストン２の肩壁表面に配置
された縦溝７を介してかつシリンダ１の套壁内に延びる
吸込み孔８を通って、図示されていない吸込み室から燃
料が供給される。ポンプピストン２内には、作業室６に
接続された縦通路１０が延びておシ、この縦通路１０か
ら横孔１１が分岐しておシ、この横孔１１はピストン２
０周壁表面内の分岐縦溝１２に接続している。ポンプピ
ストン２の吐出行程時には該ポンプピストンの回転によ
って吸込み孔８が閉じられかつ複数の圧力導管１３の内
の１本が開放制御され、縦通路１０、横孔１１、縦溝１
２を介して燃料が作業室６からその都度の開放制御され
た圧力導管１３内に達する。各圧力導管１３は内燃機関
の噴射ノズルに向って延びている。このシリンダ１の外
部範囲ｍ ７１ｔ！！：’Ｉｎｎ １ ｎ −ｈｔ
ｒａｔ４ｂｔｙｕｒｒ ｚ 住ａｍｘｖｃ
ｐ接続されておシ、この制御孔１５の各出口開口はポン
プピストン２上で案内されるリングスライダ１６によっ
て制御される。ポンプピストン２の吐出行程時には制御
孔１５がこの制御スライダ１６の位置に応じた時点で開
放制御され、それによってポンプぎストンから噴射ノズ
ルに供給される燃料量が少量から多量まで調節形成され
る。With its free end face, this pump piston 2 delimits a pressure or working chamber 6 into which, during the suction stroke of the pump piston 2, a longitudinal groove 7 is arranged on the shoulder surface of the pump piston 2. Fuel is supplied from a suction chamber, not shown, via a suction hole 8 extending into the jacket wall of the cylinder 1 . A vertical passage 10 connected to the working chamber 6 extends inside the pump piston 2, and a horizontal hole 11 branches from the vertical passage 10.
0 is connected to the branch vertical groove 12 in the surface of the peripheral wall. During the discharge stroke of the pump piston 2, the suction hole 8 is closed by the rotation of the pump piston 2, and one of the plurality of pressure conduits 13 is controlled to be opened, and the vertical passage 10, the horizontal hole 11, and the vertical groove 1 are controlled to be opened.
2 from the working chamber 6 into a pressure line 13 whose opening is controlled in each case. Each pressure line 13 extends towards an injection nozzle of the internal combustion engine. The external range m of this cylinder 1 is 71t! ! :'Inn 1 n -ht
rat4btyurr z sumamxvc
Each outlet opening of this control hole 15 is controlled by a ring slide 16 guided on the pump piston 2. During the discharge stroke of the pump piston 2, the control hole 15 is controlled to open at a time corresponding to the position of the control slider 16, thereby adjusting the amount of fuel supplied from the pump piston to the injection nozzle from a small amount to a large amount.
制御スライダ１６は調速機２０の、軸１Ｔ上に旋回可能
に支承されたレバー１８によってポンプピストン２上を
摺動せしめられる。駆動軸３及びポンプぎストン２に対
して軸腺平、性的（で配置された調速機２０は、位置固
定的な軸２１上に回転可能に支承されたシェル形のケー
シング２２を有し、このケーシング２２内には三角形の
複数の遠心おもシ２３が傾動可能に配置されている。遠
心おも勺２３の切欠き２４内にはスリーブ２６のっば２
５が係合してお９、このスリーブ２６は軸２１の縮小直
径部分２７上で摺動可能でありかつレバー１８のばね力
４４によって遠心おもシ２３に当接されている。調速機
２０の駆動のためにケーシング２２は駆動輪３０と連結
されておシ、この駆動輪３０はやはシ同軸的に軸２１上
に回転可能に支承されまた、駆動軸３と固定結合された
歯車３１とかみ合っている。ケーシング２２と駆動輪３
０との連結は、該駆動輪３０によって連行されるケーシ
ング２２が駆動輪３０に対して所定の角度値だけ回転可
能なように形成されている。このためにケーシング２２
の底部３２内の回転軸線平行な各孔３３内にピン３４が
摺動可能に案内されておシ、このピン３４は孔３３を貫
通して駆動輪３０の弓形の溝３５内に係合している。駆
動輪３０の、ケーシング２２に面した側に配置されたこ
の溝３５はケーシング２２内の孔３３と同じ円弧上にか
つ所定の弓形に亘って延び、それによってケーシング２
２が駆動輪３０に対して、相応する角度値に亘って回転
せしめられ得る。The control slide 16 is caused to slide over the pump piston 2 by a lever 18 of the governor 20, which is pivotably mounted on the shaft 1T. The governor 20, which is arranged in parallel with the drive shaft 3 and the pump piston 2, has a shell-shaped casing 22 rotatably mounted on a fixed shaft 21. In this casing 22, a plurality of triangular centrifugal weights 23 are arranged so as to be tiltable.Inside the notch 24 of the centrifugal weight 23, a sleeve 26 is inserted.
The sleeve 26 is slidable on the reduced diameter section 27 of the shaft 21 and rests against the centrifugal weight 23 by the spring force 44 of the lever 18. For driving the speed governor 20, the casing 22 is connected to a drive wheel 30, which is coaxially rotatably supported on the shaft 21 and fixedly connected to the drive shaft 3. The gear 31 is meshed with the gear 31. Casing 22 and drive wheel 3
0 is formed in such a way that the housing 22 carried by the drive wheel 30 can be rotated by a predetermined angular value relative to the drive wheel 30. For this purpose the casing 22
A pin 34 is slidably guided in each hole 33 parallel to the axis of rotation in the bottom 32 of the drive wheel 30, and the pin 34 passes through the hole 33 and engages in an arcuate groove 35 of the drive wheel 30. ing. This groove 35, which is arranged on the side of the drive wheel 30 facing the casing 22, extends on the same arc as the hole 33 in the casing 22 and over a predetermined arcuate shape, so that the casing 2
2 can be rotated relative to the drive wheel 30 through a corresponding angular value.
溝３５の底部３６は、駆動輪３０の回転軸線に対して直
角に延びる平面に関して斜めになった平面を形成してお
り、この斜面は駆動輪３０の回転方向と反対方向に上昇
している。段部３７によってケーシング２２に形成され
た環状室内には複数の引張りばね３８が配置されており
、この各ばね３８のそれぞれ一万の端部がケーシング２
２に配置されたピン４０に、また他方の端部が駆動輪３
０のピン４１に掛合されている。The bottom 36 of the groove 35 forms a plane that is oblique with respect to a plane extending at right angles to the axis of rotation of the drive wheel 30 , this slope rising in a direction opposite to the direction of rotation of the drive wheel 30 . A plurality of tension springs 38 are arranged in the annular chamber formed in the casing 22 by the step 37, and each of the ten thousand ends of each spring 38 is connected to the casing 22.
2, and the other end is connected to the drive wheel 3.
It is engaged with pin 41 of 0.
各引張シばね３８は駆動輪３０の回転運動をケーシング
２２上に伝達し、駆動輪３０との一関係において該ケー
シング２２を、一定した駆動運動時には該ケーシング２
２によって案内されているピン３４が溝３５の低い終端
部に当接するように適切に回転及び保持する。ぎン３４
の長さは、その一方端部が溝３５の低い部分に当接しま
た他方端部がケーシング２２の底部３２の表面から突出
するように設定されている。更にケーシング２２の底部
３２内には各孔３３が、各ピン３４がそれぞれ１つの遠
心おもシ２３と重なるように配置されている。Each tension spring 38 transmits the rotational movement of the drive wheel 30 onto the casing 22, and in one relationship with the drive wheel 30, the casing 22 is moved, and during a constant drive movement, the casing 22 is
The pin 34 guided by 2 is rotated and held in place so that it abuts the lower end of the groove 35. Gin 34
The length is set such that one end thereof contacts the lower part of the groove 35 and the other end protrudes from the surface of the bottom portion 32 of the casing 22 . Furthermore, holes 33 are arranged in the bottom 32 of the casing 22 in such a way that each pin 34 overlaps one centrifugal weight 23.
次に図示の燃料噴射ポンプの調速機２０の作動形式を説
明する。Next, the operation type of the governor 20 of the illustrated fuel injection pump will be explained.
駆動軸３の回転時には歯車３１を介して駆動輪３０が共
回転され、この駆動輪３０がばね３８を介してケーシン
グ２２を遠心おもシ２３と共に連行する。例えば駆動輪
３０の加速時などの、突然に生じる回転数変化の際には
ケーシング２２が遠心おもシ２３と共に、その慣性モー
メントに基づいて所定の運動状態に留められ、この際に
該ケーシング２２は駆動輪３０に対して相対的に回転す
ることになる。この際にピン３４が駆動輪３０内の溝３
５の底部３６の斜面上で軸線方向に摺動され、それによ
って該ピン３４はケーシング２２の底部３２から走出し
遠心おもり２３を、ケーシング２２内の、軸から遠い万
の自らの縁を中心に旋回せしめる。遠心おもシ２３のこ
の旋回時には、やはシ回転数上昇時と同様に、スリーブ
２６が切欠き２４の側面によってレバー１８に向ってか
つ該レバー１８に作用している制御力４４に対して摺動
せしめられ、それによってレバー１８が制御スライダ１
６を、吐出行程中のポンプピストン２による押しのけ燃
料量を制御孔１５を介して早期に放出制御せしめるべき
位置に動かす。このようにして回転数変化の発生後に短
時間の内に形成される供給燃料量減少によって内燃機関
の急跳発生が防がれる。When the drive shaft 3 rotates, a drive wheel 30 is co-rotated via a gear 31, which entrains the housing 22 together with the centrifugal weight 23 via a spring 38. For example, in the event of a sudden change in rotational speed such as when the drive wheel 30 accelerates, the casing 22 is held in a predetermined state of motion together with the centrifugal weight 23 based on its moment of inertia. will rotate relative to the drive wheels 30. At this time, the pin 34 is inserted into the groove 3 in the drive wheel 30.
5 is slid axially on the slope of the bottom 36 of the casing 22, so that the pin 34 runs out of the bottom 32 of the casing 22 and moves the centrifugal weight 23 about its own edge in the casing 22, far from the axis. Make it rotate. During this rotation of the centrifugal weight 23, the sleeve 26 is moved by the side surface of the notch 24 toward the lever 18 and against the control force 44 acting on the lever 18, just as when the rotational speed increases. the lever 18 is moved over the control slider 1.
6 is moved to a position where the amount of fuel displaced by the pump piston 2 during the discharge stroke is to be quickly controlled for release via the control hole 15. In this way, a sudden jump in the internal combustion engine is prevented due to the reduction in the amount of supplied fuel that occurs within a short time after the occurrence of a change in the rotational speed.
図面は本発明の実施例を示すものであって、第１図は本
発明による燃料噴射ポンプを調速機と共に示す縦断面図
、第２図は第１図に示された調速機の１部分を周方向で
見た横断面図である。The drawings show embodiments of the present invention, and FIG. 1 is a longitudinal sectional view showing a fuel injection pump according to the present invention together with a speed governor, and FIG. FIG. 3 is a cross-sectional view of the portion viewed in the circumferential direction.
Claims (6)
材と該調量部材を操作する調速機とを有し、該調速機の
回転する受容部材内に、駆動輪と結合された旋回可能な
遠心おもりが配設されている形式のものにおいて、遠心
おもり（２３）を備えた受容部材（２２）と、駆動輪（
３０）とが互いに相対的に制限されて回転可能であり、
また受容部材と駆動輪との相対回転に応動する調節装置
（３４，３５，３６）が調量部材（１６）に作用するこ
とを特徴とする、内燃機関のための燃料噴射ポンプ。1. A fuel injection pump for an internal combustion engine, which has a metering member and a governor for operating the metering member, in a rotating receiving member of the governor there is a pivot connected to a drive wheel. In the version in which a possible centrifugal weight is arranged, a receiving member (22) with a centrifugal weight (23) and a drive wheel (
30) are rotatable while being limited relative to each other;
Fuel injection pump for an internal combustion engine, characterized in that an adjusting device (34, 35, 36) acting on the metering element (16) is also responsive to the relative rotation of the receiving element and the drive wheel.
遠心おもり（２３）に作用する、特許請求の範囲第１項
記載の燃料噴射ポンプ。2. 2. Fuel injection pump according to claim 1, wherein the regulating device (34, 35, 36) acts on a centrifugal weight (23) of a speed governor (20).
２１）に対して直角に延びる平面に関して少なくとも１
つの斜面（３６）を有し、この斜面（３６）上に、遠心
おもり（２３）と接続された伝達部材（３４）が接触せ
しめられている、特許請求の範囲第２項記載の燃料噴射
ポンプ。3. An adjustment device disposed on the drive wheel (30) is arranged on the rotation shaft (30).
21) with respect to a plane extending at right angles to
The fuel injection pump according to claim 2, wherein the fuel injection pump has two slopes (36), and a transmission member (34) connected to the centrifugal weight (23) is brought into contact with the slope (36). .
）の底部（３６）として形成配置されておりかつ、前記
の伝達部材（３４）がこの溝内に係合しかつ、ケーシン
グ（２２）の孔（３３）内に回転軸（２１）に対して平
行摺動可能なように案内されておりかつ遠心おもり（２
３）に、該おもりの旋回軸線に対して偏心的に当接せし
められている、特許請求の範囲第３項記載の燃料噴射ポ
ンプ。4. The sloped surface forms an arcuate groove (35) in the drive wheel (30).
), and the said transmission member (34) engages in this groove and in the bore (33) of the casing (22) relative to the axis of rotation (21). It is guided so that it can slide in parallel and has a centrifugal weight (2
3) The fuel injection pump according to claim 3, wherein the fuel injection pump is brought into contact eccentrically with respect to the pivot axis of the weight.
くとも１つのばね（３８）が配置されており、このばね
（３８）がケーシングを出発位置に保持せしめる、特許
請求の範囲第１項から第４項までのいずれか１項記載の
燃料噴射ポンプ。5. At least one spring (38) is arranged between the drive wheel (30) and the housing (22), which spring (38) holds the housing in the starting position. The fuel injection pump according to any one of items 4 to 4.
と反対方向で上昇している、特許請求の範囲第３項から
第５項までのいずれか１項記載の燃料噴射ポンプ。6. 6. Fuel injection pump according to claim 3, wherein the slope (36) rises in a direction opposite to the direction of rotation of the drive wheel (30).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853532720 DE3532720A1 (en) | 1985-09-13 | 1985-09-13 | Fuel injection pump for internal combustion engines |
| DE3532720.0 | 1985-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6263141A true JPS6263141A (en) | 1987-03-19 |
Family
ID=6280894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21420886A Pending JPS6263141A (en) | 1985-09-13 | 1986-09-12 | Fuel injection pump for internal combustion engine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS6263141A (en) |
| DE (1) | DE3532720A1 (en) |
| FR (1) | FR2587417B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654419A (en) * | 2017-10-30 | 2018-02-02 | 珠海格力电器股份有限公司 | Adjustable diffuser type and centrifugal compressor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LV13238B (en) * | 2004-08-06 | 2004-12-20 | Arnis Treijs | Mechanical device for distribution of gases that automatically changes phases of intake/exhaust depending of workload and speed of engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5728131B2 (en) * | 1977-06-16 | 1982-06-15 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2113571C2 (en) * | 1971-03-20 | 1983-11-17 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Centrifugal governor with friction coupling - has friction face rising in spiral away from direction of rotation |
| AU459955B2 (en) * | 1971-08-12 | 1975-04-10 | Dunlop Australia Limited | Improved deceleration control device |
| DE2448693C2 (en) * | 1974-10-12 | 1983-11-24 | Robert Bosch Gmbh, 7000 Stuttgart | Speed controller for a distributor injection pump |
| JPS5362029A (en) * | 1976-11-15 | 1978-06-03 | Kubota Ltd | Fuel limiting device in speed governer of internal combustion engine |
| US4237834A (en) * | 1978-04-20 | 1980-12-09 | Mcfarland Douglas F | Governor control device |
| DE2844910A1 (en) * | 1978-10-14 | 1980-04-30 | Bosch Gmbh Robert | FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES |
| DE3039654A1 (en) * | 1980-10-21 | 1982-05-27 | Robert Bosch Gmbh, 7000 Stuttgart | FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES |
| US4426970A (en) * | 1981-01-12 | 1984-01-24 | Ambac Industries, Inc. | Resilient drive for fuel injection pump governors |
| US4359985A (en) * | 1981-01-23 | 1982-11-23 | Otto Mueller | Governor weight retainer assembly for fuel pump |
-
1985
- 1985-09-13 DE DE19853532720 patent/DE3532720A1/en active Granted
-
1986
- 1986-06-23 FR FR8609008A patent/FR2587417B1/en not_active Expired - Lifetime
- 1986-09-12 JP JP21420886A patent/JPS6263141A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5728131B2 (en) * | 1977-06-16 | 1982-06-15 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654419A (en) * | 2017-10-30 | 2018-02-02 | 珠海格力电器股份有限公司 | Adjustable diffuser type and centrifugal compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3532720A1 (en) | 1987-03-19 |
| FR2587417B1 (en) | 1992-11-13 |
| FR2587417A1 (en) | 1987-03-20 |
| DE3532720C2 (en) | 1992-06-17 |
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