WO2001051300A1 - Systeme de suspension pneumatique pour vehicules - Google Patents

Systeme de suspension pneumatique pour vehicules Download PDF

Info

Publication number
WO2001051300A1
WO2001051300A1 PCT/US2000/033602 US0033602W WO0151300A1 WO 2001051300 A1 WO2001051300 A1 WO 2001051300A1 US 0033602 W US0033602 W US 0033602W WO 0151300 A1 WO0151300 A1 WO 0151300A1
Authority
WO
WIPO (PCT)
Prior art keywords
end plate
suspension system
adhesive
system defined
component
Prior art date
Application number
PCT/US2000/033602
Other languages
English (en)
Inventor
Jeffrey Capek
Daniel Leonard
Original Assignee
Bridgestone/Firestone, Inc.
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 Bridgestone/Firestone, Inc. filed Critical Bridgestone/Firestone, Inc.
Publication of WO2001051300A1 publication Critical patent/WO2001051300A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
    • B60G11/28—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/30—Rigid axle suspensions
    • B60G2200/31—Rigid axle suspensions with two trailing arms rigidly connected to the axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/15—Fluid spring
    • B60G2202/152—Pneumatic spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/126—Mounting of pneumatic springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/14—Mounting of suspension arms
    • B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
    • B60G2204/1482—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle on rigid axle by elastic mount
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43—Fittings, brackets or knuckles
    • B60G2204/4306—Bracket or knuckle for rigid axles, e.g. for clamping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/02—Trucks; Load vehicles
    • B60G2300/026—Heavy duty trucks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/04—Trailers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/10—Railway vehicles

Definitions

  • the present invention relates to pneumatic suspension systems for vehicles and in particular to the mounting of the end plate of an air spring to the vehicle support by an adhesive to eliminate the need for a bracket attachment on the end plate thereby saving production time and costs.
  • Air actuators and in particular air springs consist of a pair of spaced end members and an intervening flexible sleeve or bellows which forms an internal pressurized fluid chamber. These devices are used for many applications, and in particular for mounting between spaced components of a vehicle for absorbing road shock, and/or for regulating and maintaining the spacing between two spaced components of the vehicle.
  • These air springs assume various configurations depending upon their particular applications and usually consist of an end member such as an end cap or bead plate, with an opposite end member being a piston.
  • the piston will have a designed outer surface over which a rolling lobe of the flexible sleeve moves for affecting the damping of the vehicle or equipment on which the air spring is mounted.
  • Prior art air springs require the need for external or internal threaded fittings formed in or on the end or bead plate in order to mount the end plate on a structural portion of the vehicle. This requires additional assembly time and costs. Likewise, it provides a concentrated stress on the end plate at the point of attachment of the connection and requires that the end plate usually be formed of metal to provide sufficient strength and rigidity for making the connection to the vehicle component and for an air fitting.
  • Fig. 4 of the drawings wherein a suspension system has been attached to the axle by a non-welded connection, such as an adhesive.
  • a non-welded connection such as an adhesive.
  • nothing is shown or suggested for adhesively connecting the end plate to the vehicle component by an adhesive.
  • the present invention provides a pneumatic suspension system for vehicles and in particular attachment of the end plate of an air spring to a vehicle component by use of an adhesive eliminating the need of any mechanical attachment brackets or internally or externally threaded mounting members as heretofore required.
  • An aspect of the invention includes using such a mounting adhesive thereby requiring only an air fitting on the end plate surface eliminating the need for any external studs or internal blind nuts for mounting the end plate of the air spring to the vehicle component, which also eliminates the need for any bracket attachment to the end plate.
  • Another aspect of the invention includes reducing the production time and cost of producing the air spring by eliminating the assembly of a bracket to the end plate, and which reduces stresses on the end plate by providing a central mounting location under the frame rail or other component to provide a central support for the end plate which is adhesively attached thereto.
  • a further feature of the invention is applying the adhesive to the end plate in a controlled environment and then applying a protective strip to the adhesive which is removed by the installer at the time of bonding the end plate to the vehicle component preferably in a controlled environment, to provide a strong and permanent bond between the end plate and vehicle.
  • Another feature of the invention is to provide a readily available structural adhesive such as a cyanoacrylate or various epoxies which provide a good bond between metal-to-metal, metal-to-plastic and plastic-to-plastic.
  • Fig. 1 is a side elevational diagrammatic view of a pneumatic suspension system for a vehicle showing the adhesive mounted air spring as a component thereof;
  • Fig. 2 is an enlarged side elevational view of the air spring component of the pneumatic suspension system shown in Fig. 1 , with portions broken away and in section;
  • Fig. 3 is a further enlarged sectional view of the encircled portion of Fig. 3;
  • Fig. 4 is a side elevational view, portions of which are in section, showing the known closest prior art to the subject invention.
  • System 1 illustrates a suspension assembly mounted to a longitudinal frame rail 2 of a vehicle or trailer which supports an axle 3 having a wheel 4 mounted on opposite ends thereof.
  • the suspension assembly further includes a hanger bracket 6 fixedly mounted to frame rail 2.
  • a pivot connection 8 is located at the forward end of a trailing arm 10 which rotatably mounts the trailing arm to the hanger bracket.
  • An air spring indicated generally at 12 extends between trailing arm 10 and frame rail 2 to resiliently resist upward movement of the trailing arm with respect to the frame.
  • An axle mounting bracket 14 preferably mounts axle 3 to trailing arm 10 and may have a plate 16 connected to the trailing arm through two pivot connections 18.
  • a shock absorber 20 can be mounted between frame rail 2 and axle bracket 14 to dampen the movement of the trailing arm with respect to the frame.
  • the particular system shown in Fig. 1 can have various modifications from that shown in order to utilize the unique adhesive mounting of the air spring to the vehicle component, and need not have the exact construction and arrangement shown in Fig. 1.
  • Air spring 12 is shown in detail in Fig. 2 and is of a usual construction in that it includes a piston 22 and a top end plate 24. End plate 24 is shown being formed of metal but can be other materials such as various types of high strength plastics, since no mounting attachments are required as in prior air springs.
  • Piston 22 is mounted to a lower mounting plate 26 which is mounted on the extended end of trailing arm 10 by a bolt 28.
  • a flexible sleeve or bellows 32 is sealingly connected to piston 22 by well known clamp means and preferably is attached to upper end plate 24 by a rolled end 34 which clamps about a peripheral bead area 36 of sleeve 32.
  • Sleeve 32 forms a pressurized internal fluid chamber 33.
  • a usual air fitting 38 is secured to end plate 24 and extends outwardly therefrom for connection to a source of compressed fluid for supplying chamber 33 with a supply of the fluid, which for most applications is air.
  • end plate 24 preferably has a disc-shaped smooth planar top surface 40 (Figs. 2 and 3) which is secured to a complementary-shaped bottom surface 42 of a plate 46 by a layer of adhesive 44.
  • Plate 46 is attached by a weld, bolt or other mechanical fastener to vehicle frame 2.
  • Adhesive 44 can be one of a number of readily available structural adhesives which provide for a relatively quick adhesive bonding of metal-to-metal, metal-to-plastic and plastic-to-plastic.
  • Various types of structural adhesive epoxies and cyanocrylates adhesives have been found to be satisfactory for this purpose. Two examples of such adhesives would be ARALDITE® distributed by Ciba Specialty Chemical Corp.
  • FIG. 4 shows a prior art suspension system in which a trailing arm 50 is secured to an axle 52 by an adhesive 54.
  • end plate 56 must be secured to a vehicle frame by attachment bolts 58 or other known mechanical fasteners.
  • the improved adhesive mounting of the air spring end plate to the vehicle frame gives a smooth appearance to the air spring in that there are no protruding fasteners, screws or rivets required or spot weld marks, and it provides a safe structure which has fewer and less concentrations of stresses, possible fatigue areas or the like. Furthermore, such adhesive bonding does not require high temperatures and thus it is suitable for heat sensitive materials prone to distortion or change of properties from the heretofore required brazing or welding, and which is suitable for bonding metal-to-metal, metal-to-plastic and plastic-to-plastic materials.
  • end plate 24 can be metal or other types of materials such as a high strength plastic, as well as plate 46 which could be metal and/or plastic without affecting the attachment of end plate 24 thereto. While the embodiments of the invention have been described, the invention is not limited thereto.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

La présente invention concerne un système de suspension pneumatique destiné à un véhicule. Ce système comprend un ressort pneumatique qui est monté entre une paire de composants, mobiles et espacés, du véhicule. Ce ressort pneumatique comprend un piston et une plaque d'extrémité, connectée de manière hermétique aux extrémités opposées d'une gaine souple intermédiaire, qui forme une chambre fluidique. Ledit piston est monté sur un des composants du véhicule, au moyen d'un certain type de fixations mécaniques, et la plaque d'extrémité est fixée à l'autre composant du véhicule, au moyen d'un adhésif, afin d'éliminer le besoin de recourir à des fixations ou des supports mécaniques.
PCT/US2000/033602 2000-01-11 2000-12-12 Systeme de suspension pneumatique pour vehicules WO2001051300A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48089700A 2000-01-11 2000-01-11
US09/480,897 2000-01-11

Publications (1)

Publication Number Publication Date
WO2001051300A1 true WO2001051300A1 (fr) 2001-07-19

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ID=23909791

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/033602 WO2001051300A1 (fr) 2000-01-11 2000-12-12 Systeme de suspension pneumatique pour vehicules

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WO (1) WO2001051300A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012107945A1 (de) * 2012-08-29 2014-03-06 PE Automotive GmbH & Co. KG Luftfederbalg
US10093356B2 (en) 2017-02-21 2018-10-09 Arvinmeritor Technology, Llc Suspension system
US10207751B2 (en) 2016-05-09 2019-02-19 Nikola Motor Company Llc Motor gearbox assembly
US10266025B2 (en) 2016-05-06 2019-04-23 Arvinmeritor Technology, Llc Suspension module having an air spring pedestal
US10435075B2 (en) 2016-05-06 2019-10-08 Arvinmeritor Technology, Llc Suspension module having a subframe assembly
US10814917B2 (en) 2019-03-04 2020-10-27 Arvinmeritor Technology, Llc Assembly having a skid plate module
US10913321B2 (en) 2019-03-04 2021-02-09 Arvinmeritor Technology, Llc Suspension system
US10926596B2 (en) 2019-02-28 2021-02-23 Arvinmeritor Technology, Llc Suspension system
US10981609B2 (en) 2015-12-30 2021-04-20 Nikola Corporation Systems, methods, and devices for an automobile door or window
US11001129B2 (en) 2015-12-30 2021-05-11 Nikola Corporation Cargo door for semi-truck

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756048A (en) 1952-07-30 1956-07-24 Gen Tire & Rubber Co Pneumatic suspension system for vehicles
US3130965A (en) 1955-02-16 1964-04-28 Continental Gummi Werke Ag Air suspension systems
US3321200A (en) * 1965-01-13 1967-05-23 Gen Motors Corp Reinforced plastic bellows spring
DE1268439B (de) * 1963-06-11 1968-05-16 Fruehauf Corp Waermehaertbare Klebeverbindung
US3672643A (en) 1969-06-02 1972-06-27 Albert G Bodine Elastomeric piston
US3689054A (en) 1971-01-28 1972-09-05 Mercadante Combined vehicle chassis and air suspension system
FR2216482A1 (fr) * 1973-02-06 1974-08-30 Asea Ab
US3889936A (en) 1974-04-12 1975-06-17 Wright Barry Corp Combined air mounts
JPH04163272A (ja) * 1990-10-25 1992-06-08 Fuji Heavy Ind Ltd 鉄道車輌用台車枠
EP0510359A2 (fr) * 1991-04-23 1992-10-28 Man Nutzfahrzeuge Ag Ressort d'air entre le chassis et l'axe de véhicules utilitaires
US5267725A (en) 1991-10-12 1993-12-07 Continental Aktiengesellschaft Air spring having a sleeve-type flexible member made of elastomeric material
US5326082A (en) * 1992-06-10 1994-07-05 Bridgestone/Firestone, Inc. Self locking, snap mounted attachment device
WO1996032594A1 (fr) * 1995-03-27 1996-10-17 Lotus Cars Limited Procede de fabrication d'une structure et element structural a utiliser pour ce procede
US5649691A (en) 1993-11-03 1997-07-22 Fichtel & Sachs Ag Shock absorber and pneumatic spring assembly
DE19720776A1 (de) * 1997-05-17 1998-11-19 Bpw Bergische Achsen Kg Luftfeder, insbesondere für Kraftfahrzeuge

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756048A (en) 1952-07-30 1956-07-24 Gen Tire & Rubber Co Pneumatic suspension system for vehicles
US3130965A (en) 1955-02-16 1964-04-28 Continental Gummi Werke Ag Air suspension systems
DE1268439B (de) * 1963-06-11 1968-05-16 Fruehauf Corp Waermehaertbare Klebeverbindung
US3321200A (en) * 1965-01-13 1967-05-23 Gen Motors Corp Reinforced plastic bellows spring
US3672643A (en) 1969-06-02 1972-06-27 Albert G Bodine Elastomeric piston
US3689054A (en) 1971-01-28 1972-09-05 Mercadante Combined vehicle chassis and air suspension system
FR2216482A1 (fr) * 1973-02-06 1974-08-30 Asea Ab
US3889936A (en) 1974-04-12 1975-06-17 Wright Barry Corp Combined air mounts
JPH04163272A (ja) * 1990-10-25 1992-06-08 Fuji Heavy Ind Ltd 鉄道車輌用台車枠
EP0510359A2 (fr) * 1991-04-23 1992-10-28 Man Nutzfahrzeuge Ag Ressort d'air entre le chassis et l'axe de véhicules utilitaires
US5267725A (en) 1991-10-12 1993-12-07 Continental Aktiengesellschaft Air spring having a sleeve-type flexible member made of elastomeric material
US5326082A (en) * 1992-06-10 1994-07-05 Bridgestone/Firestone, Inc. Self locking, snap mounted attachment device
US5649691A (en) 1993-11-03 1997-07-22 Fichtel & Sachs Ag Shock absorber and pneumatic spring assembly
WO1996032594A1 (fr) * 1995-03-27 1996-10-17 Lotus Cars Limited Procede de fabrication d'une structure et element structural a utiliser pour ce procede
DE19720776A1 (de) * 1997-05-17 1998-11-19 Bpw Bergische Achsen Kg Luftfeder, insbesondere für Kraftfahrzeuge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 458 (M - 1315) 24 September 1992 (1992-09-24) *

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012107945A1 (de) * 2012-08-29 2014-03-06 PE Automotive GmbH & Co. KG Luftfederbalg
US11613312B2 (en) 2015-12-30 2023-03-28 Nikola Corporation Systems, methods, and devices for an automobile door or window
US11001129B2 (en) 2015-12-30 2021-05-11 Nikola Corporation Cargo door for semi-truck
US10981609B2 (en) 2015-12-30 2021-04-20 Nikola Corporation Systems, methods, and devices for an automobile door or window
US10266025B2 (en) 2016-05-06 2019-04-23 Arvinmeritor Technology, Llc Suspension module having an air spring pedestal
US10435075B2 (en) 2016-05-06 2019-10-08 Arvinmeritor Technology, Llc Suspension module having a subframe assembly
US10589797B2 (en) 2016-05-09 2020-03-17 Nikola Motor Company Llc Vehicle front suspension system
US10752300B2 (en) 2016-05-09 2020-08-25 Nikola Motor Company Llc Motor gearbox assembly
US10336379B2 (en) 2016-05-09 2019-07-02 Nikola Motor Company Llc Vehicle rear suspension system
US10207751B2 (en) 2016-05-09 2019-02-19 Nikola Motor Company Llc Motor gearbox assembly
US10093356B2 (en) 2017-02-21 2018-10-09 Arvinmeritor Technology, Llc Suspension system
US10926596B2 (en) 2019-02-28 2021-02-23 Arvinmeritor Technology, Llc Suspension system
US11345204B2 (en) 2019-02-28 2022-05-31 Arvinmeritor Technology, Llc Suspension system
US10814917B2 (en) 2019-03-04 2020-10-27 Arvinmeritor Technology, Llc Assembly having a skid plate module
US10913321B2 (en) 2019-03-04 2021-02-09 Arvinmeritor Technology, Llc Suspension system

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