DE102008024859A1 - Air spring bellows has base, which has positive pressure-charged inner chamber and deforming areas, which deform when bouncing air spring, and base has radial inner wall that limits cavity - Google Patents
Air spring bellows has base, which has positive pressure-charged inner chamber and deforming areas, which deform when bouncing air spring, and base has radial inner wall that limits cavity Download PDFInfo
- Publication number
- DE102008024859A1 DE102008024859A1 DE200810024859 DE102008024859A DE102008024859A1 DE 102008024859 A1 DE102008024859 A1 DE 102008024859A1 DE 200810024859 DE200810024859 DE 200810024859 DE 102008024859 A DE102008024859 A DE 102008024859A DE 102008024859 A1 DE102008024859 A1 DE 102008024859A1
- Authority
- DE
- Germany
- Prior art keywords
- air spring
- bellows
- base
- wall
- spring bellows
- 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- Withdrawn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
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 7
- 239000000725 suspension Substances 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 230000003455 independent Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
- 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
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/05—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type
-
- 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
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0418—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall having a particular shape, e.g. annular, spherical, tube-like
-
- 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
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0445—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by intermediate rings or other not embedded reinforcing elements
-
- 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
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0454—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by the assembling method or by the mounting arrangement, e.g. mounting of the membrane
-
- 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
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/049—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall multi-chamber units
-
- 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
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/05—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type
- F16F9/052—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type characterised by the bumper
Abstract
Description
Die Erfindung betrifft einen Luftfederbalg der im Oberbegriff des Anspruchs 1 genannten Art.The The invention relates to an air spring bellows in the preamble of claim 1 mentioned type.
Luftfedern
sind allgemein bekannt, beispielsweise durch
Die bekannten Luftfederbälge weisen einen Grundkörper auf, der einen überdruckbeaufschlagten Innenraum und Verformungsbereiche aufweist, die sich beim Einfedern der Luftfeder verformen. Entsprechend der jeweiligen Anwendung kann es erforderlich sein, ein Bauteil der Luftfeder, insbesondere ein kraftübertragendes und/oder ein Steuerungs- und/oder Spannungsversorgungsleitungen führendes Bauteil axial und insbesondere zentrisch durch den Grundkörper hindurchzuführen. An den Stellen, an denen das Bauteil durch den Grundkörper hindurchtritt, ist eine Abdichtung, beispielsweise in Form eines O-Ringes erforderlich, um zu verhindern, daß es zwischen dem überdruckbeaufschlagten Innenraum und der Umgebung zu einem unerwünschten Druckausgleich kommt. Derartige Abdichtungen gestalten die bekannten Luftfedern aufwendiger und damit teurer in der Herstellung. Ein weiterer Nachteil besteht darin, daß derartige Abdichtungen sich bei Federungsvorgängen bewegen, so daß in unerwünschter Weise zusätzliche Reibung entsteht.The known bellows have a body on, the pressurized interior and deformation areas has, which deform during compression of the air spring. Corresponding The particular application may require a component the air spring, in particular a force-transmitting and / or a control and / or power supply lines leading Component axially and in particular centrally through the body pass therethrough. In the places where the component passing through the body is a seal, For example, in the form of an O-ring required to prevent that it is between the pressurized interior and the environment to an undesirable pressure equalization comes. Such seals make the known air springs more complex and therefore more expensive to manufacture. Another disadvantage is in that such seals in suspension operations move, so that undesirably additional Friction arises.
Der Erfindung liegt die Aufgabe zugrunde, einen Luftfederbalg der im Oberbegriff des Anspruchs 1 genannten Art anzugeben, der einfacher und kostengünstiger herstellbar ist, wenn ein Bauteil der Luftfeder durch den Grundkörper hindurchgeführt werden muß.Of the Invention is based on the object, a bellows of the Specify the preamble of claim 1 mentioned type, the simpler and less expensive to produce, if a component of Air spring passed through the body must become.
Diese Aufgabe wird durch die im Anspruch 1 angegebene Erfindung gelöst. Die Erfindung löst sich von dem im Stand der Technik vorherrschenden Gedanken, zur Durchführung von Bauteilen durch den Grundkörper Durchbrüche in dem Grundkörper vorzusehen, durch die das Bauteil hindurchtritt, und zur Vermeidung eines Druckausgleiches zwischen dem Innenraum des Luftfederbalges und der Umgebung an diesen Durchbrüche Abdichtungen vorzusehen. Ihr liegt vielmehr der Gedanke zugrunde, den Grundkörper des Luftfederbalges so zu gestalten, daß ein Hohlraum gebildet ist, durch den Bauteile hindurchgeführt werden können, ohne daß abzudichtende Durchbrüche in dem Grundkörper erforderlich sind. Dementsprechend sieht die Erfindung vor, daß der Grundkörper eine radiale Innenwandung aufweist, die einen Hohlraum begrenzt, der sich in Axialrichtung wenigstens teilweise durch den Grundkörper erstreckt und mit einem Druck beaufschlagt ist, der geringer ist als der Druck in dem Innenraum des Luftfederbalges. Ferner sieht die Erfindung vor, daß Verformungsbereiche des Grundkörpers, bei einem Faltenbalg also beispielsweise dessen Falten, an der radialen Innenwandung gebildet sind.These The object is achieved by the invention defined in claim 1. The invention detaches itself from that prevailing in the prior art Thoughts, for passing components through the body To provide openings in the body, through which passes through the component, and to avoid pressure equalization between the interior of the bellows and the environment at these Breakthroughs provide sealing. You are rather the idea underlying the main body of the bellows be designed so that a cavity is formed through the Components can be passed through without to be sealed breakthroughs are required in the body. Accordingly sees the invention according to that the basic body a radial Having inner wall defining a cavity which extends into Axial direction at least partially through the body extends and is pressurized to a lower pressure as the pressure in the interior of the air spring bellows. Further sees the invention provides that deformation areas of the basic body, in a bellows so for example its folds, at the radial Inner wall are formed.
Bei einem erfindungsgemäßen Luftfederbalg können somit Bauteile durch den Grundkörper hindurchgeführt werden, ohne daß hierfür Durchbrüche in dem Grundkörper erforderlich sind, an denen Dichtungen benötigt werden. Der erfindungsgemäße Luftfederbalg ist damit einfacher und kostengünstiger herstellbar als die bekannten Luftfederbälge. Ein weiterer Vorteil besteht darin, daß zusätzliche reibungsbehaftete Bauteile in Form von Dichtungen vermieden sind.at an air spring bellows according to the invention can Thus, components passed through the body without having breakthroughs in it the basic body are required at which seals needed. The inventive Air bellows is thus easier and cheaper to produce as the known bellows. Another advantage is that additional frictional Components in the form of seals are avoided.
Der erfindungsgemäße Luftfederbalg ist vielseitig einsetzbar und eröffnet grundsätzlich neue Anwendungen für Luftfedern.Of the Air bellows invention is versatile can be used and basically opens up new applications for air springs.
Grundsätzlich ist der erfindungsgemäße Luftfederbalg auch für solche Anwendungen geeignet, bei denen eine Durchführung eines Bauteiles der Luftfeder durch den Grundkörper nicht erforderlich ist. Die Vorteile der Erfindung kommen jedoch dann besonders zur Geltung, wenn der Hohlraum eine Durchführung für ein Bauteil der Luftfeder, insbesondere ein kraftübertragendes Bauteil und/oder ein Steuerungs- und/oder Spannungsversorgungsleitungen führendes Bauteil, bildet, wie dies eine vorteilhafte Weiterbildung der Erfindung vorsieht.in principle is the air spring bellows according to the invention also for suitable for those applications where an implementation a component of the air spring through the body not is required. However, the advantages of the invention then come in particular to be valid if the cavity is a passage for a component of the air spring, in particular a force-transmitting Component and / or a control and / or power supply lines leading component, forms, as this is an advantageous development the invention provides.
Die Balgwandung des Luftfederbalges besteht zweckmäßigerweise wenigstens teilweise aus elastomerem Material, wie dies eine andere Weiterbildung der Erfindung vorsieht.The Balgwandung the Luftfederbalges is expediently at least partially of elastomeric material, such as another Further development of the invention provides.
Grundsätzlich kann der erfindungsgemäße Luftfederbalg als Rollfederbalg ausgebildet sein. Eine andere vorteilhafte Weiterbildung der Erfindung sieht jedoch vor, daß der Luftfederbalg als Faltenbalg ausgebildet ist, dessen Falten die Verformungsbereiche bilden. Entsprechende erfindungsgemäße Faltenbälge sind besonders einfach und kostengünstig herstellbar.in principle can the bellows invention as a roller bellows be educated. Another advantageous embodiment of the invention sees However, before that the air bag designed as a bellows is, whose folds form the deformation areas. Appropriate bellows according to the invention are particular easy and inexpensive to produce.
Die Erfindung wird nachfolgend anhand der beigefügten stark schematisierten Zeichnung näher erläutert, in der Ausführungsbeispiele eines erfindungsgemäßen Luftfederbalges in Form eines Faltenbalges dargestellt sind. Dabei bilden alle beschriebenen, in der Zeichnung dargestellten und in den Patentansprüchen beanspruchten Merkmale für sich genommen sowie in beliebiger Kombination miteinander den Gegenstand der Erfindung, unabhängig von ihrer Zusammenfassung in den Patentansprüchen und deren Rückbeziehung sowie unabhängig von ihrer Beschreibung bzw. Darstellung in der Zeichnung. Es zeigt:The invention will be explained in more detail with reference to the attached highly schematic drawing, are shown in the embodiments of an air spring bellows according to the invention in the form of a bellows. All described, illustrated in the drawings and claimed in the claims features taken alone and in any combination with each other the subject of the invention, inde pendent of their summary in the claims and their dependency and regardless of their description or representation in the drawing. It shows:
In den Figuren der Zeichnung sind gleiche bzw. sich entsprechende Bauteile mit den gleichen Bezugszeichen versehen.In the figures of the drawing are the same or corresponding components provided with the same reference numerals.
Erfindungsgemäß weist
der Grundkörper
Wie
aus
Zur
Verdeutlichung des Grundprinzips der Erfindung ist in
Bei
Verwendung der Luftfeder in einem Fahrzeug
Um
ein Ausknicken des Luftfederbalges
Mit
der radialen Außenfläche
In
Wie
insbesondere aus
Bei
dem in
In
Der
erfindungsgemäße Luftfederbalg
- 22
- Luftfederbalgsuspension bellows
- 44
- Grundkörperbody
- 66
- Innenrauminner space
- 88th
- Verformungsbereichdeformation zone
- 1010
- Verformungsbereichdeformation zone
- 1212
- Verformungsbereichdeformation zone
- 1414
- radiale Innenwandungradial inner wall
- 1616
- Hohlraumcavity
- 1818
- KraftübertragungselementPower transmission element
- 2020
- Stützelementsupport element
- 2222
- Stützelementsupport element
- 2424
- radiale Außenwandungradial outer wall
- 2626
- Begrenzungselementlimiting element
- 2828
- Begrenzungselementlimiting element
- 3030
- Federanordnungspring assembly
- 3232
- Federelementspring element
- 3434
- Federelementspring element
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 102005018132 A1 [0002, 0002] - DE 102005018132 A1 [0002, 0002]
- - US 6332602 B1 [0002, 0002] - US 6332602 B1 [0002, 0002]
- - EP 1529981 A1 [0002, 0002] - EP 1529981 A1 [0002, 0002]
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810024859 DE102008024859A1 (en) | 2008-05-23 | 2008-05-23 | Air spring bellows has base, which has positive pressure-charged inner chamber and deforming areas, which deform when bouncing air spring, and base has radial inner wall that limits cavity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810024859 DE102008024859A1 (en) | 2008-05-23 | 2008-05-23 | Air spring bellows has base, which has positive pressure-charged inner chamber and deforming areas, which deform when bouncing air spring, and base has radial inner wall that limits cavity |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008024859A1 true DE102008024859A1 (en) | 2009-11-26 |
Family
ID=41212630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200810024859 Withdrawn DE102008024859A1 (en) | 2008-05-23 | 2008-05-23 | Air spring bellows has base, which has positive pressure-charged inner chamber and deforming areas, which deform when bouncing air spring, and base has radial inner wall that limits cavity |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102008024859A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6332602B1 (en) | 2001-03-30 | 2001-12-25 | Yuzuru Oishi | Vehicle suspension having annular air chamber |
EP1529981A1 (en) | 2003-11-10 | 2005-05-11 | The Goodyear Tire & Rubber Company | Dual height airspring having adjusted spring rate |
DE102005018132A1 (en) | 2005-04-20 | 2006-11-02 | Carl Freudenberg Kg | Rolling bellows for pneumatic and / or hydropneumatic suspension or damping elements |
-
2008
- 2008-05-23 DE DE200810024859 patent/DE102008024859A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6332602B1 (en) | 2001-03-30 | 2001-12-25 | Yuzuru Oishi | Vehicle suspension having annular air chamber |
EP1529981A1 (en) | 2003-11-10 | 2005-05-11 | The Goodyear Tire & Rubber Company | Dual height airspring having adjusted spring rate |
DE102005018132A1 (en) | 2005-04-20 | 2006-11-02 | Carl Freudenberg Kg | Rolling bellows for pneumatic and / or hydropneumatic suspension or damping elements |
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Date | Code | Title | Description |
---|---|---|---|
8127 | New person/name/address of the applicant |
Owner name: CONTINENTAL TEVES AG & CO. OHG, 60488 FRANKFUR, DE |
|
R081 | Change of applicant/patentee |
Owner name: CONTINENTAL TEVES AG & CO. OHG, DE Free format text: FORMER OWNER: CONTINENTAL AKTIENGESELLSCHAFT, 30165 HANNOVER, DE Effective date: 20110414 |
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R012 | Request for examination validly filed | ||
R012 | Request for examination validly filed |
Effective date: 20150410 |
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R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |