FR2529980A1 - PNEUMATIC SPRING - Google Patents
PNEUMATIC SPRING Download PDFInfo
- Publication number
- FR2529980A1 FR2529980A1 FR8311403A FR8311403A FR2529980A1 FR 2529980 A1 FR2529980 A1 FR 2529980A1 FR 8311403 A FR8311403 A FR 8311403A FR 8311403 A FR8311403 A FR 8311403A FR 2529980 A1 FR2529980 A1 FR 2529980A1
- Authority
- FR
- France
- Prior art keywords
- cylinder
- pneumatic spring
- tube
- casing tube
- rod
- 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.)
- Withdrawn
Links
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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
L'INVENTION CONCERNE UN RESSORT PNEUMATIQUE, NOTAMMENT POUR DES CAPOTS DE MOTEURS ETOU DES COUVERCLES DE COFFRES A BAGAGES DE VEHICULES AUTOMOBILES, QUI SE COMPOSE D'UN CYLINDRE REMPLI D'UN GAZ SOUS PRESSION ET D'UN PISTON POUVANT COULISSER DANS CELUI-CI ET RELIE A UNE TIGE. POUR OBTENIR UNE LONGUEUR DE DEPLOIEMENT DU RESSORT PNEUMATIQUE QUI DEPASSE LA COURSE NORMALE DE TRAVAIL, IL EST PREVU SUR LE CYLINDRE 2 UN TUBE D'ENVELOPPE 5 OUVERT A UN BOUT, POUVANT COULISSER TELESCOPIQUEMENT PAR RAPPORT AU CYLINDRE ET SOUMIS INTERIEUREMENT A LA PRESSION ATMOSPHERIQUE.THE INVENTION RELATES TO A PNEUMATIC SPRING, IN PARTICULAR FOR MOTOR COVERS AND / OR LUGGAGE BOX COVERS OF MOTOR VEHICLES, WHICH CONSISTS OF A CYLINDER FILLED WITH GAS UNDER PRESSURE AND A PISTON THAT CAN SLIDE IN IT. AND CONNECTED TO A ROD. TO OBTAIN A LENGTH OF DEPLOYMENT OF THE PNEUMATIC SPRING WHICH EXCEEDS THE NORMAL WORKING STROKE, CYLINDER 2 IS PROVIDED FOR A TUBE OF ENCLOSURE 5 OPENED AT A TIP, WHICH CAN SLIDE TELESCOPICALLY WITH RESPECT TO THE CYLINDER INTERPHISURE AND SUBMISSIOUSLY.
Description
_-1 __-1 _
La présente invention concerne un ressort pneuma- The present invention relates to a pneumatic spring
tique, notamment pour des capots de -moteurs et/ou des especially for engine hoods and / or
couvercles de coffres à bagages de véhicules automobi- lids of luggage compartments of motor vehicles
les, qui se compose d'un cylindre rempli d'un gaz sous pression et d'un piston pouvant coulisser dans celui-ci the, which consists of a cylinder filled with a gas under pressure and a piston slidable therein
et relié à une tige.and connected to a rod.
De tels ressorts pneumatiques sont fréquemment utilisés pour assister le mouvement d'ouverture par Such pneumatic springs are frequently used to assist the opening movement by
exemple d'un capot de moteur d'un véhicule automobile. example of an engine hood of a motor vehicle.
Leur longueur en condition de déploiement est dimen- Their length in deployment condition is
sionnée de façon à obtenir un angle d'ouverture du capot qui permette d'exécuter des travaux normaux d'entretien dans le compartiment-moteur, par exemple in such a way as to obtain an opening angle of the hood which makes it possible to carry out normal maintenance work in the engine compartment, for example
un angle d'environ 450 Dans différents types de véhi- An angle of about 450 In different types of vehicle
cules, il existe cependant également l'impératif d'obte- However, there is also the imperative of obtaining
nir à peu près à la fin du montage du véhicule ou plus approximately at the end of the vehicle assembly or more
tard, lors d'un remplacement du moteur, un angle d'ou- late, when replacing the engine, an angle of
verture de 900 A cet égard, il était nécessaire par le passé de démonter au moins un des points de fixation du In this respect, it was necessary in the past to dismantle at least one of the
ressort pneumatique.pneumatic spring.
L'invention a pour but de perfectionner un ressort pneumatique du type défini ci-dessus de manière qu'il The object of the invention is to improve a pneumatic spring of the type defined above so that it
soit possible d'obtenir également un tel angle d'ouver- It is also possible to obtain such an angle of openness
ture sans démontage de l'articulation du ressort pneuma- without disassembly of the air spring joint.
tique.tick.
Ce problème est résolu selon l'invention en ce qu'il est prévu sur le cylindre un tube d'enveloppe ouvert à un bout, pouvant coulisser télescopiquement par rapport au cylindre et soumis intérieurement à la This problem is solved according to the invention in that there is provided on the cylinder a casing tube open at one end, being able to slide telescopically with respect to the cylinder and subjected internally to the
pression atmosphérique.atmospheric pressure.
Selon d'autres particularités de l'invention a) le cylindre et le tube d'enveloppe ont à peu près la même longueur et le tube d'enveloppe est guidé sur la paroi extérieure du cylindre 252 y 98 O -2- b) le tube d'enveloppe comporte en bout un According to other features of the invention a) the cylinder and the casing tube are approximately the same length and the casing tube is guided on the outer wall of the cylinder 252. envelope tube has an end
oeillet de montage ou une partie semblable. mounting eyelet or a similar part.
D'autres avantages et caractéristiques de l'in- Other advantages and characteristics of the
vention seront mis en évidence dans la suite de la will be highlighted later in the
description, donnée à titre d'exemple non limitatif, description, given by way of non-limiting example,
en référence aux dessins annexés dans lesquels La Figure 1 est une coupe longitudinale d'un with reference to the accompanying drawings in which Figure 1 is a longitudinal section of a
ressort pneumatique conforme à l'invention dans la posi- pneumatic spring according to the invention in the posi-
tion de contraction; La Figure 2 est une coupe correspondant à la Figure 1 dans le cas o le ressort pneumatique est complètement déployé; La Figure 3 montre la disposition d'un tel contraction; Figure 2 is a section corresponding to Figure 1 in the case where the air spring is fully deployed; Figure 3 shows the layout of such
ressort pneumatique sur le capot du moteur d'un véhi- air spring on the engine hood of a vehicle
cule automobile pour un angle d'ouverture d'environ ; et La Figure 4 montre l'agencement de la Figure automobile fuel for an aperture angle of about; and Figure 4 shows the arrangement of the Figure
3 pour un angle d'ouverture de 90 . 3 for an opening angle of 90.
Le ressort pneumatique 1 représenté sur les des- The air spring 1 shown in the drawings
sins comporte un cylindre 2 dans lequel est monté à coulissement un piston 4 relié à une tige 3 Sur le cylindre 2 est engagé au coulissement, à l'opposé de la tige 3, un tube d'enveloppe 5 qui porte en bout, à sins comprises a cylinder 2 in which is slidably mounted a piston 4 connected to a rod 3 On the cylinder 2 is engaged in sliding, opposite the rod 3, a casing tube 5 which carries end, to
l'opposé de son bout ouvert d'engagement-sur le cy- the opposite of its open end of engagement-on the cy-
lindre 2, un oeillet de montage 6 Entre le cylindre 2 et le tube d'enveloppe 5, il est prévu en bout un 2, a mounting eyelet 6 Between the cylinder 2 and the casing tube 5, there is provided in the end a
tampon élastique 7.elastic buffer 7.
Le tube d'enveloppe peut être assuré à l'encon- The casing tube can be secured to the
tre d'un dégagement total vis-à-vis du cylindre d'une be of a total clearance with respect to the cylinder of a
manière non représentée.not shown.
Sur les Figures 3 et 4, on a représenté schéma- Figures 3 and 4 show schematically
tiquement un capot 8 du compartiment-moteur d'un véhi- just a hood 8 of the engine compartment of a vehicle
cule automobile, non représenté en détail, lequel capot est articulé sur une partie 11 fixe par rapport à ce véhicule par l'intermédiaire de leviers 9,10 Le ressort 3 - pneumatique 1, qui autorise une ouverture du capot de moteur 8 jusque dans la position à 90 représentée sur la Figure 4, est également articulé sur le capot de automobile, not shown in detail, which cover is hinged on a fixed portion 11 relative to this vehicle by means of levers 9,10 The 3-pneumatic spring 1, which allows opening of the engine cover 8 into the position 90 shown in Figure 4, is also articulated on the hood of
moteur 8 et sur la partie fixe 11 du véhicule, respec- 8 and on the fixed part 11 of the vehicle, respec-
tivement par l'oreille 6 du tube 5 et par des moyens by the ear 6 of the tube 5 and by means
analogues portés par l'extrémité libre de la tige 3. analogues carried by the free end of the rod 3.
-4--4-
Claims (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823225974 DE3225974A1 (en) | 1982-07-10 | 1982-07-10 | GAS SPRING |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2529980A1 true FR2529980A1 (en) | 1984-01-13 |
Family
ID=6168217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8311403A Withdrawn FR2529980A1 (en) | 1982-07-10 | 1983-07-08 | PNEUMATIC SPRING |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3225974A1 (en) |
FR (1) | FR2529980A1 (en) |
GB (1) | GB2123522A (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3433735A1 (en) * | 1984-09-14 | 1986-03-27 | Daimler Benz Ag | Gas spring, especially for bonnets and/or boot lids of motor vehicles |
US4623132A (en) * | 1985-02-27 | 1986-11-18 | Fichtel & Sachs Industries, Inc. | Gas spring counterbalance system |
FR2616503B1 (en) * | 1987-06-11 | 1992-07-10 | Ferco Int Usine Ferrures | DOUBLE ACTION SHOCK ABSORBER CAUSING LAMINATION OF A FLUID ON THE PASSAGE OF A THREAD |
DE3914991A1 (en) * | 1989-05-06 | 1991-02-14 | Bauer Fritz & Soehne Ohg | GAS SPRING |
DE4103521A1 (en) * | 1991-02-06 | 1992-08-13 | Audi Ag | POSITIONING DEVICE FOR THE ENGINE OR TRUNK COVER OF A MOTOR VEHICLE |
DE4442547C1 (en) * | 1994-11-30 | 1996-06-05 | Daimler Benz Ag | Locking device for a hinged vehicle flap |
DE19537159C1 (en) * | 1995-10-06 | 1996-12-19 | Daimler Benz Ag | Bearing for pneumatic spring |
DE102010021687B4 (en) * | 2010-05-27 | 2022-09-08 | Stabilus Gmbh | Gas spring and hood assembly with the gas spring |
US20140291085A1 (en) * | 2013-03-30 | 2014-10-02 | Ronald Scott Bandy | Segmented Air Shock |
CN106672082A (en) * | 2016-11-16 | 2017-05-17 | 重庆代发铸造有限公司 | Engine cover pneumatic telescopic supporting mechanism |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB948822A (en) * | 1960-06-16 | 1964-02-05 | Microcell Ltd | Improvements in or relating to shock absorbers |
FR2165688A5 (en) * | 1971-12-23 | 1973-08-03 | Stabilus Ind Hande | |
FR2338422A1 (en) * | 1976-01-14 | 1977-08-12 | Peddinghaus Carl Ullrich Dr | SPRING SUPPORT LEG |
DE2816761A1 (en) * | 1978-04-18 | 1979-10-31 | Fritz R Stolberg | Telescopic tube pneumatic spring arrangement - has one or more stages, and can be partially filled with liq. |
GB2036247A (en) * | 1978-11-14 | 1980-06-25 | Stabilus Gmbh | A spring device with lost-motion transmission |
JPS5652639A (en) * | 1979-09-29 | 1981-05-11 | Mutoh Ind Ltd | Gas spring |
US4372429A (en) * | 1980-04-07 | 1983-02-08 | Atwood Vacuum Machine Co. | Pneumatic spring with protective boot |
-
1982
- 1982-07-10 DE DE19823225974 patent/DE3225974A1/en not_active Withdrawn
-
1983
- 1983-07-06 GB GB08318302A patent/GB2123522A/en not_active Withdrawn
- 1983-07-08 FR FR8311403A patent/FR2529980A1/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB948822A (en) * | 1960-06-16 | 1964-02-05 | Microcell Ltd | Improvements in or relating to shock absorbers |
FR2165688A5 (en) * | 1971-12-23 | 1973-08-03 | Stabilus Ind Hande | |
FR2338422A1 (en) * | 1976-01-14 | 1977-08-12 | Peddinghaus Carl Ullrich Dr | SPRING SUPPORT LEG |
DE2816761A1 (en) * | 1978-04-18 | 1979-10-31 | Fritz R Stolberg | Telescopic tube pneumatic spring arrangement - has one or more stages, and can be partially filled with liq. |
GB2036247A (en) * | 1978-11-14 | 1980-06-25 | Stabilus Gmbh | A spring device with lost-motion transmission |
JPS5652639A (en) * | 1979-09-29 | 1981-05-11 | Mutoh Ind Ltd | Gas spring |
US4372429A (en) * | 1980-04-07 | 1983-02-08 | Atwood Vacuum Machine Co. | Pneumatic spring with protective boot |
Also Published As
Publication number | Publication date |
---|---|
DE3225974A1 (en) | 1984-01-19 |
GB8318302D0 (en) | 1983-08-10 |
GB2123522A (en) | 1984-02-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |