DE29923575U1 - Air strut - Google Patents

Air strut

Info

Publication number
DE29923575U1
DE29923575U1 DE29923575U DE29923575U DE29923575U1 DE 29923575 U1 DE29923575 U1 DE 29923575U1 DE 29923575 U DE29923575 U DE 29923575U DE 29923575 U DE29923575 U DE 29923575U DE 29923575 U1 DE29923575 U1 DE 29923575U1
Authority
DE
Germany
Prior art keywords
cylinder housing
inner guide
stop
piston rod
air suspension
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
Application number
DE29923575U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daimler AG
Original Assignee
DaimlerChrysler AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DaimlerChrysler AG filed Critical DaimlerChrysler AG
Priority to DE29923575U priority Critical patent/DE29923575U1/en
Priority claimed from DE1999103553 external-priority patent/DE19903553C2/en
Publication of DE29923575U1 publication Critical patent/DE29923575U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/08—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring
    • B60G15/12—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring and fluid damper

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (6)

1. Luftfederbein mit
  • a) einem unter einem Innendruck stehenden Arbeitsraum (17), der mit einer Außenführung (14) und einem über einen Federbalg (16) mit dieser verbundenen Innenführung (13) gebildet ist und dessen Volumen durch Relativbewegung der Außenführung (14) gegenüber der Innenführung (13) veränder­ bar ist,
  • b) einer Kolbenstange (15)eines Stoßdämpferelementes,
  • c) einem mit der Innenführung (13) verbundenen Zylindergehäuse (11) des Stoßdämpferelementes, in dem die Kolbenstange (15) unter Ausbildung einer Dämpfungskraft verschieblich angeordnet ist,
  • d) einem mit der Kolbenstange (15) verschieblichen elastischen Anschlagpuffer (30), der beim Überschreiten eines Grenzwertes der Verschiebung der Kolbenstange (15) zur Anlage an das Zylindergehäuse (11) kommt und
  • e) einem mit dem Zylindergehäuse (11) und der Innenführung (13) verbundenen Anschlagtopf (12) zur mindestens teilweisen Aufnahme des Anschlagpuffers (30) in verformtem Zustand,
  • f) eine Abstützung der Innenführung (13) im dem Arbeitsraum (17) abgewandten Endbereich des Zylindergehäuses (11) erfolgt,
dadurch gekennzeichnet, daß
  • a) eine weitere, dem Arbeitsraum (17) zugewandte Abstützung der Innenführung (13) unmittelbar am Zylindergehäuse (11) erfolgt.
1. Air strut with
  • a) a working space ( 17 ) which is under internal pressure and which is formed with an outer guide ( 14 ) and an inner guide ( 13 ) connected to this by means of a bellows ( 16 ) and the volume of which by relative movement of the outer guide ( 14 ) relative to the inner guide ( 13 ) is changeable,
  • b) a piston rod ( 15 ) of a shock absorber element,
  • c) a cylinder housing ( 11 ) of the shock absorber element connected to the inner guide ( 13 ), in which the piston rod ( 15 ) is displaceably arranged to form a damping force,
  • d) with the piston rod ( 15 ) displaceable elastic stop buffer ( 30 ) which comes to rest on the cylinder housing ( 11 ) when a limit value of the displacement of the piston rod ( 15 ) is exceeded and
  • e) a stop pot ( 12 ) connected to the cylinder housing ( 11 ) and the inner guide ( 13 ) for at least partially receiving the stop buffer ( 30 ) in the deformed state,
  • f takes place) a support of the inner guide (13) in the working chamber (17) end region remote from the cylinder housing (11),
characterized in that
  • a) a further, the working space ( 17 ) facing support of the inner guide ( 13 ) is carried out directly on the cylinder housing ( 11 ).
2. Luftfederbein nach Anspruch 1, dadurch gekennzeichnet, daß sich die Innenführung (13) im Verbindungsbereich des Anschlagpuffers (30) mit dem Zylindergehäuse (11) am Zylindergehäuse (11) abstützt.2. Air suspension strut according to claim 1, characterized in that the inner guide ( 13 ) is supported in the connection region of the stop buffer ( 30 ) with the cylinder housing ( 11 ) on the cylinder housing ( 11 ). 3. Luftfederbein nach Anspruch 2, dadurch gekennzeichnet, daß im Verbindungsbereich des Anschlagpuffers (30) mit dem Zylindergehäuse (11) und/oder mit der Innenführung (13) eine Dichtung zur Abichtung des Innendruckes des Arbeitsraumes (17) gegenüber einem Umgebungsdruck angordnet ist.3. Air suspension strut according to claim 2, characterized in that in the connection area of the stop buffer ( 30 ) with the cylinder housing ( 11 ) and / or with the inner guide ( 13 ) a seal for sealing the internal pressure of the working space ( 17 ) is arranged against an ambient pressure. 4. Luftfederbein nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Anschlagtopf (12) im Verbindungsbereich mit dem Zylindergehäuse (11) einen mit zwei Seitenschenkeln (27) und einem Grundschenkel (25) gebildeten ungefähr U-förmigem Querschnitt aufweist, daß der Grundschenkel (25) eine (Längs- )Bohrung (34) zur Durchführung der Kolbenstange aufweist, daß die Innen- und Außenflächen der Seitenschenkel (27) über Dichtungen verfügen und daß die Seitenschenkel (27) unter radialer Abdichtung zwischen der Innenführung (13) und dem Zylindergehäuse (11) angeordnet sind.4. Air suspension strut according to one of the preceding claims, characterized in that the stop pot ( 12 ) in the connection area with the cylinder housing ( 11 ) has an approximately U-shaped cross section formed with two side legs ( 27 ) and a base leg ( 25 ) that the base leg ( 25 ) has a (longitudinal) bore ( 34 ) for carrying out the piston rod, that the inner and outer surfaces of the side legs ( 27 ) have seals and that the side legs ( 27 ) with radial sealing between the inner guide ( 13 ) and the Cylinder housing ( 11 ) are arranged. 5. Luftfederbein nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Dichtungen als elastische Beschichtungen (28, 29) ausgeführt ist, die unter Ausbildung eines flächigen Kontaktes zwischen Innenführung (13) und Zylindergehäuse (11) einpreßbar sind. 5. Air suspension strut according to one of the preceding claims, characterized in that the seals are designed as elastic coatings ( 28 , 29 ) which can be pressed in to form a flat contact between the inner guide ( 13 ) and the cylinder housing ( 11 ). 6. Luftfederbein nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Zylindergehäuse (11), die Kolbenstange (15), der Anschlagtopf (12) und der Anschlagpuffer (30) bei Eintritt des Anschlagpuffers (30) in den Anschlagtopf (12) über mindestens einen Verbindungskanal für einen Druckausgleich vom Innenraum des Anschlagtopfes (12) zum Arbeitsraum (17) verfügen.6. Air suspension strut according to one of the preceding claims, characterized in that the cylinder housing ( 11 ), the piston rod ( 15 ), the stop pot ( 12 ) and the stop buffer ( 30 ) when the stop buffer ( 30 ) enters the stop pot ( 12 ) have at least one connection channel for pressure equalization from the interior of the stop pot ( 12 ) to the work space ( 17 ).
DE29923575U 1999-01-29 1999-01-29 Air strut Expired - Lifetime DE29923575U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29923575U DE29923575U1 (en) 1999-01-29 1999-01-29 Air strut

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29923575U DE29923575U1 (en) 1999-01-29 1999-01-29 Air strut
DE1999103553 DE19903553C2 (en) 1999-01-29 1999-01-29 Air strut

Publications (1)

Publication Number Publication Date
DE29923575U1 true DE29923575U1 (en) 2000-11-30

Family

ID=26051567

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29923575U Expired - Lifetime DE29923575U1 (en) 1999-01-29 1999-01-29 Air strut

Country Status (1)

Country Link
DE (1) DE29923575U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019218060A1 (en) * 2019-11-22 2021-05-27 Ford Global Technologies, Llc Stop buffering device with progressively increasing spring characteristics

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019218060A1 (en) * 2019-11-22 2021-05-27 Ford Global Technologies, Llc Stop buffering device with progressively increasing spring characteristics

Similar Documents

Publication Publication Date Title
EP1828523B1 (en) End-stop damper
DE102005053394B4 (en) Vibration damper with adjustable damping force
EP0253072A3 (en) Pneumatic spring with end-stroke damping
DE1136221B (en) Telescopic fluid shock absorbers, especially for motor vehicles
DE3507090A1 (en) FLUID SPRING
DE2165435C3 (en) Shock absorbers for automobiles and rail vehicles
DE29923575U1 (en) Air strut
DE2520558A1 (en) PRESSURIZED SEAL BETWEEN THE CYLINDER AND THE PISTON OF A PRESSURIZED TOOL
DE102018207911A1 (en) Vibration damper with a hydraulic end stop
DE869717C (en) Connection between piston body and piston skirt, especially for hydraulic telescopic vibration dampers
DE2428511A1 (en) Thermostatically controlled valve - is fitted with heat sensitive element which is used to close valve against spirring force
EP1306574A3 (en) Vibration damper with adjustable damping force
DE10246766B3 (en) Pneumatic cylinder damped in the end position
DE102004003661B4 (en) Vibration damper with a protective tube
DE19903553A1 (en) An automotive MacPherson strut has inner guide bracing which does not lead to deformation of the end-stop cup
AT6048U1 (en) LIQUID DAMPER
DE2638929C3 (en) Damped gas spring with elastic end stop
DE19838728C1 (en) Self pumping hydropneumatic operated strut with integrated level adjustment mechanism
DE20205076U1 (en) linear damper
DE102019205913A1 (en) Suspension strut with an adjustable spring force characteristic
DE10104616A1 (en) Hydraulic pressure limiting valve comprises a hydraulic damping chamber accommodating an open-pore, permanently elastic element which is impregnable with the pressure medium
DE102005025511B3 (en) Oscillation absorber/vibration damper has an equalizing zone with a larger inner diameter than the outer diameter of the cylinder base valve, using a simple tube as the cylinder
DE20213021U1 (en) Hydraulic cylinder with piston end position damping
EP0133157A3 (en) Shock absorber
DE10253020A1 (en) Pneumatic operating device for friction clutch has pressurized surfaces of piston and cylinder with axial recess toward opposite pressurized surface

Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20010104

R150 Term of protection extended to 6 years

Effective date: 20020228

R151 Term of protection extended to 8 years

Effective date: 20050204

R158 Lapse of ip right after 8 years

Effective date: 20070801