WO2012105444A1 - Dispositif de suspension pneumatique - Google Patents

Dispositif de suspension pneumatique Download PDF

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Publication number
WO2012105444A1
WO2012105444A1 PCT/JP2012/051798 JP2012051798W WO2012105444A1 WO 2012105444 A1 WO2012105444 A1 WO 2012105444A1 JP 2012051798 W JP2012051798 W JP 2012051798W WO 2012105444 A1 WO2012105444 A1 WO 2012105444A1
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WO
WIPO (PCT)
Prior art keywords
diaphragm
plate
air spring
spring device
gas
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.)
Ceased
Application number
PCT/JP2012/051798
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English (en)
Japanese (ja)
Inventor
潤 新井
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.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
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 Corp filed Critical Bridgestone Corp
Publication of WO2012105444A1 publication Critical patent/WO2012105444A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/04—Bolster supports or mountings
    • B61F5/10—Bolster supports or mountings incorporating fluid springs
    • 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
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/002—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
    • 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
    • F16F9/32—Details
    • F16F9/43—Filling or drainage arrangements, e.g. for supply of gas

Definitions

  • the present invention relates to an air spring device disposed between a vehicle body such as a railway vehicle and a carriage, for example.
  • the air spring device includes an upper member, a lower member, and a diaphragm having a tubular membrane member that is sealed by both ends of the two members being connected to each other.
  • a sliding surface is formed on the lower surface of the upper member, and a sliding plate is provided on the lower member. The sliding plate is spaced apart from the sliding surface in the axial direction in a state where the diaphragm is filled with gas, and abuts against the sliding surface of the upper member in an exhausted state where the inside of the diaphragm is exhausted.
  • At least one of a sliding surface and a sliding plate is formed with a supply / discharge hole for supplying and discharging gas into the diaphragm.
  • the supply / discharge hole supplies / discharges gas into / from the diaphragm in order to adjust the pressure in the diaphragm in the filled state.
  • the present invention has been made in view of the above-described circumstances, and an object thereof is to provide an air spring device that can easily fill a diaphragm with gas from an exhausted state in which the inside of the diaphragm is exhausted. .
  • An air spring device includes an upper member, a lower member, and a diaphragm having a cylindrical membrane member that is sealed by both ends of the member being connected to each other.
  • the upper member and the lower member are opposed to each other while being spaced apart from each other in the axial direction in the filled state in which the diaphragm is filled with gas, and are in contact with each other in the exhausted state in which the inside of the diaphragm is exhausted Are provided separately.
  • At least one of the abutting portions of the upper member and the lower member is provided with a supply / exhaust hole for supplying / exhausting gas into / from the diaphragm and in the exhaust state.
  • a communication path that communicates the exhaust hole and the inside of the tubular membrane member is formed.
  • the gas when the gas is filled into the exhausted diaphragm, first, the gas is supplied from the supply / discharge hole into the cylindrical membrane member through the communication path. At this time, when the pressure in the tubular film member rises and the tubular film member expands and deforms, the upper member and the lower member are moved apart in the axial direction, and the diaphragm is filled with gas.
  • the supply / discharge hole communicates with the tubular membrane member through the communication path in the exhaust state, gas is supplied into the tubular membrane member in a state in which both contact portions are in contact with each other. Is possible. As a result, gas can be easily filled into the diaphragm in the exhaust state.
  • the communication path may be open toward the inside of the diaphragm along the axial direction over the entire region.
  • the communication path is opened toward the inside of the diaphragm along the axial direction over the entire region. Therefore, the communication path can be processed from the inside of the diaphragm along the axial direction, and the communication path can be easily formed.
  • the communication path may be communicated with the inside of the tubular film member by opening from the outer peripheral surface of the contact portion toward the outside in the radial direction.
  • the communication path opens from the outer peripheral surface of the contact portion toward the outside in the radial direction.
  • the diaphragm can be easily filled with gas from the exhausted state where the inside of the diaphragm is exhausted.
  • FIG. 2 is a longitudinal sectional view of an exhaust state in which the inside of a diaphragm is exhausted in the air spring device shown in FIG. 1.
  • the air spring device 1 is sealed by connecting both open end portions 4 a and 4 b to an upper plate (upper member) 2, a lower plate (lower member) 3, and these face plates 2 and 3.
  • an intermediate portion 4c located between the opening end portions 4a and 4b is connected to a diaphragm 5 having a tubular membrane member 4 bulged outward in the radial direction, and a lower surface plate 3 of the diaphragm 5
  • the auxiliary elastic body 6 is provided.
  • the air spring device 1 is disposed between a vehicle body (not shown) such as a railway vehicle and a carriage.
  • the auxiliary elastic body 6 is formed in a cylindrical shape, and the central axes of the upper surface plate 2, the lower surface plate 3, the cylindrical film member 4, and the auxiliary elastic body 6 are located on a common axis.
  • this common axis is referred to as an axis O
  • the upper surface plate 2 side along the axis O direction is referred to as the upper side
  • the lower surface plate 3 side is referred to as the lower side
  • the direction perpendicular to the axis O is referred to as the radial direction.
  • the direction that circulates around O is referred to as the circumferential direction.
  • the auxiliary elastic body 6 has higher spring constants in the axis O direction and the radial direction than the diaphragm 5 in which a gas such as air is filled.
  • the auxiliary elastic body 6 of the present embodiment includes an annular lower substrate 7 and an upper substrate 8, annular rubber plates 9 and metal plates 10 that are alternately arranged between the substrates 7 and 8 in the direction of the axis O, It is comprised by the laminated rubber provided with.
  • the lower substrate 7, the upper substrate 8, the rubber plate 9, and the metal plate 10 are arranged coaxially with the axis O, and the lower substrate 7, the upper substrate 8, the metal plate 10, and the rubber plate 9 are vulcanized and bonded to each other. Has been.
  • the outer diameter of the upper substrate 8 is the largest, and the outer peripheral edge portion of the upper substrate 8 protrudes outward in the radial direction.
  • the inner diameter of the lower substrate 7 is the smallest among the inner diameters of the members constituting the auxiliary elastic body 6 of the present embodiment, and the inner peripheral edge of the lower substrate 7 protrudes inward in the radial direction.
  • a communication cylinder portion 11 that is open toward both sides in the axis O direction and communicates with the auxiliary elastic body 6 is fitted.
  • a gas supply means or an auxiliary tank (not shown) for supplying and discharging gas into the diaphragm 5 is airtightly connected to a portion of the communication cylinder portion 11 protruding downward from the lower substrate 7.
  • the lower surface plate 3 of the diaphragm 5 is formed of, for example, a metal material, a resin material, or a rubber material, and includes a plate-like base portion (contact portion) 12 disposed on the upper substrate 8 of the auxiliary elastic body 6. Yes.
  • the plate-like base 12 is arranged coaxially with the axis O, and the outer diameter thereof is smaller than the outer diameter of the upper substrate 8. Further, the plate-like base portion 12 is fixed to the upper substrate 8 of the auxiliary elastic body 6 with fixing bolts 13. Thereby, the lower surface plate 3 and the auxiliary elastic body 6 are hermetically connected, and communication between the inside and the outside of the auxiliary elastic body 6 passing between the lower surface plate 3 and the auxiliary elastic body 6 is blocked.
  • a plurality of bolt holes 14 through which the fixing bolts 13 are inserted are formed in the plate-like base portion 12.
  • the plurality of bolt holes 14 penetrate the plate-like base portion 12 along the direction of the axis O, and are arranged at intervals in the circumferential direction as shown in FIG.
  • the plurality of bolt holes 14 are arranged at equal intervals in the circumferential direction on the same circle centered on the axis O when viewed from above along the axis O direction.
  • the supply / discharge hole 15 is provided through the plate-like base portion 12 along the direction of the axis O so as to communicate the inside of the auxiliary elastic body 6 and the inside of the diaphragm 5.
  • the supply / discharge hole 15 is disposed coaxially with the axis O, and communicates with the communication cylinder portion 11 through the auxiliary elastic body 6.
  • a female screw portion 15a is formed in the supply / discharge hole 15, and a suspension bolt provided in a lifting device (not shown) that lifts the lower surface plate 3 upward can be screwed to the female screw portion 15a. It has become.
  • the upper substrate 8 of the auxiliary elastic body 6 includes an outer peripheral edge portion located on the outer side in the radial direction from the plate-like base portion 12.
  • the outer peripheral edge is covered with an annular rubber seat 16 from above and radially outside.
  • the inner peripheral edge of the rubber seat 16 is sandwiched between the plate-like base portion 12 of the lower surface plate 3 and the upper substrate 8 of the auxiliary elastic body 6.
  • the upper surface plate 2 has a main body plate portion 17 whose outer diameter is larger than the outer diameter of the tubular membrane member 4 and is directed downward (inner side of the diaphragm along the axial direction) from a central portion in the radial direction of the main body plate portion 17.
  • the main body plate portion 17 and the overhanging portion 18 are arranged coaxially with the axis O.
  • the overhanging portion 18 is formed in a bottomed cylindrical shape, and is disposed to face the plate-like base portion 12 of the lower surface plate 3 in the axis O direction.
  • the outer diameter of the overhang portion 18 is equal to the outer diameter of the plate-like base portion 12.
  • the main body plate portion 17 includes an outer peripheral edge portion located on the outer side in the radial direction from the overhang portion 18. This outer peripheral edge is covered from below by an annular rubber film 19. A gap extending in the radial direction is opened between the overhang portion 18 and the rubber film 19.
  • the upper surface plate 2 is provided with a through cylinder portion 20 that penetrates the main body plate portion 17 and the overhang portion 18 in the direction of the axis O and communicates the inside of the diaphragm 5 with the outside.
  • the lower end surface of the through tube portion 20 is flush with the lower surface of the overhang portion 18, and the upper end portion of the through tube portion 20 projects upward from the main body plate portion 17.
  • the gas supply means and the auxiliary tank described above are airtightly connected to the upper end portion of the through cylinder portion 20.
  • the cylindrical membrane member 4 has flexibility, and is formed of, for example, an elastic material, preferably a rubber material.
  • the upper opening end 4a located on the upper side of the two opening ends 4a and 4b of the tubular film member 4 is airtightly fitted to the overhanging portion 18 of the upper surface plate 2, and the overhanging portion 18 and the rubber film 19 are fitted. It is arranged in the gap between.
  • the lower opening end portion 4b located on the lower side of the both opening end portions 4a and 4b is airtightly fitted to the plate-like base portion 12 of the lower surface plate 3, and is disposed on the rubber seat 16. .
  • the lower opening end portion 4b of the tubular membrane member 4 is fitted to a portion of the plate-like base portion 12 located on the lower side (outside of the diaphragm along the axial direction) in FIG. Has been.
  • the outer peripheral surface of the portion located on the upper side (the inner side of the diaphragm along the axial direction) of the plate-like base portion 12 is exposed toward the outer peripheral space S2 (described later) positioned on the outer side in the radial direction.
  • the intermediate portion 4 c of the tubular film member 4 bulges outward in the radial direction from the upper substrate 8 of the auxiliary elastic body 6.
  • the intermediate portion 4c is in contact with the upper substrate 8 of the auxiliary elastic body 6 from above and radially outside through a rubber seat 16 provided on the lower surface plate 3 side, and is provided on the upper surface plate 2 side.
  • the body 19 is in contact with the main body plate portion 17 of the upper surface plate 2 through the film 19 from below.
  • the overhanging portion 18 of the upper surface plate 2 and the plate-like base portion 12 of the lower surface plate 3 face each other while being spaced apart in the direction of the axis O in a filled state in which the diaphragm 5 is filled with gas.
  • the diaphragms 5 are slidably in contact with each other in an exhausted state.
  • the diaphragm 5 in this filled state, has a central space S ⁇ b> 1 positioned between the overhanging portion 18 of the upper surface plate 2 and the plate-like base portion 12 of the lower surface plate 3.
  • a diaphragm space S is formed which is located in the tubular membrane member 4 and extends over the entire circumference in the circumferential direction, and an outer circumferential space S2 connected to the central space S1 from the outside in the radial direction.
  • the inside of the through cylinder portion 20 on the upper surface plate 2 side and the supply / discharge hole 15 on the lower surface plate 3 side are the center between the overhanging portion 18 of the upper surface plate 2 and the plate-like base portion 12 of the lower surface plate 3.
  • the space S1 communicates with the outer peripheral space S2 in the tubular membrane member 4.
  • the gas in the diaphragm 5 is adjusted by adjusting the pressure in the diaphragm 5 through the through cylinder 20 or the supply / discharge hole 15.
  • the central space S1 and the outer peripheral space S2 are gradually reduced. That is, the overhanging portion 18 of the upper surface plate 2 and the plate-like base portion 12 of the lower surface plate 3 gradually approach in the direction of the axis O, and the tubular film member 4 gradually contracts and deforms. As shown in FIG. 3, in the exhausted diaphragm 5, the overhanging portion 18 and the plate-like base portion 12 come into contact with each other and the central space S ⁇ b> 1 disappears.
  • the upper surface plate 2 and the lower surface plate 3 are moved in the radial direction by sliding the protruding portion 18 of the upper surface plate 2 and the plate-like base portion 12 of the lower surface plate 3 in contact with each other. Can move relatively along. Further, in the exhausted state, the supply tube 15 in the through cylinder portion 20 on the upper surface plate 2 side and the supply and discharge hole 15 on the lower surface plate 3 side are brought into contact with the overhang portion 18 by the overhang portion 18 and the plate-like base portion 12 abutting each other. Communication with the inside of the tubular membrane member 4 through the central space S1 located between the plate-like base portion 12 is blocked.
  • the plate-like pedestal portion 12 of the lower surface plate 3 is formed with a communication passage 21 that communicates the supply / discharge hole 15 and the inside of the tubular membrane member 4 in an exhausted state.
  • the communication path 21 opens upward (inner side of the diaphragm along the axial direction) over the entire region, and opens toward the outer side in the radial direction from the outer peripheral surface of the plate-like base portion 12, thereby forming a cylindrical shape.
  • the film member 4 communicates with the inside.
  • the communication passage 21 is formed in a groove shape on the upper surface of the plate-like base portion 12, extends continuously linearly along the radial direction, and has an equal interval in the circumferential direction.
  • a plurality of communication passages 21 are provided.
  • the communication passage 21 passes between the bolt holes 14 adjacent in the circumferential direction among the plurality of bolt holes 14 described above.
  • the communication path 21 has an outer end opening 21a that opens toward the outer side in the radial direction, and a constant width that is positioned on the inner side in the radial direction with respect to the outer end opening 21a and has a constant circumferential width. And a portion 21b.
  • the width of the outer end opening 21a in the circumferential direction is wider than that of the constant width portion 21b.
  • the outer end opening 21a gradually widens from the inner side to the outer side in the radial direction.
  • the circumferential direction is symmetrical with respect to the passage axis L passing along the extending direction in which the communication path 21 extends and passing through the central portion in the circumferential direction of the constant width portion 21 b in the communication path 21. Widened.
  • the cross-sectional area of the constant width portion 21b of the communication passage 21 in the cross section orthogonal to the passage axis L is, for example, about 1 mm 2 .
  • the tubular membrane member 4 is firstly passed from the supply / discharge hole 15 through the communication path 21. Supply gas inside. Then, the outer peripheral space S2 is expanded, the pressure in the tubular membrane member 4 is increased, and the tubular membrane member 4 is expanded and deformed. As a result, the intermediate portion 4c of the tubular film member 4 lifts the upper surface plate 2 through the rubber film 19, so that the upper surface plate 2 and the lower surface plate 3 are moved away from each other in the direction of the axis O, and the central space S1. Expands. As a result, as shown in FIG. 1, the diaphragm 5 is filled with gas to form a diaphragm space S.
  • the supply / discharge hole 15 communicates with the tubular membrane member 4 through the communication path 21 in the exhaust state.
  • the gas can be easily filled into the diaphragm 5 in the exhaust state.
  • the communication path 21 is opened upward over the entire area. Thereby, it becomes possible to process the communicating path 21 from the upper surface side of the plate-shaped base part 12, and the communicating path 21 can be formed easily. Further, the communication passage 21 communicates with the tubular membrane member 4 by opening from the outer peripheral surface of the plate-like base portion 12 of the lower surface plate 3 toward the radially outer side. Thereby, even if the overhang
  • the communication path 21 is arranged with an equal interval in the circumferential direction, but is not limited thereto.
  • the plurality of communication passages 21 are formed in the plate-like base portion 12, but it is sufficient that at least one communication passage 21 is formed in the plate-like base portion 12.
  • the outer end opening 21a of the communication passage 21 is gradually widened from the inner side to the outer side in the radial direction, but may not be widened.
  • the communicating path 21 is extended linearly along radial direction, it is not restricted to this.
  • the communication path 21 may extend in a curved shape.
  • the communication passage 21 communicates with the tubular membrane member 4 by opening from the outer peripheral surface of the plate-like base portion 12 toward the outside in the radial direction.
  • the present invention is not limited to this. That is, in the exhaust state, the communication passage 21 may be communicated with the tubular membrane member 4 by opening upward.
  • the communication path 21 opens upward over the entire area, but is not limited thereto.
  • the communication path 21 may be opened upward in a partial region thereof, and may not be opened upward over the entire region.
  • the communication path 21 when the communication path 21 is not opened upward over the whole area, it communicates in the cylindrical film member 4 by opening toward the outer side of radial direction from the outer peripheral surface of the plate-shaped base part 12.
  • FIG. The communication path 21 can be employed.
  • the communication path 21 is formed in the plate-like base portion 12 of the lower surface plate 3, but is not limited thereto.
  • a communication path that communicates the inside of the through cylinder 20 (supply / discharge hole) and the inside of the tubular membrane member 4 may be formed in the overhanging portion 18 of the upper surface plate 2.
  • these supply / discharge holes and the communication path may be provided in at least one of the overhanging portion 18 of the upper surface plate 2 and the plate-like base portion 12 of the lower surface plate 3.
  • the upper surface plate 2 adopted as the upper member and the lower surface plate 3 adopted as the lower member are not limited to those shown in the present embodiment. That is, the upper member and the lower member are in contact with each other while being spaced apart in the axial direction in the filled state in which the diaphragm is filled with gas and slidably contact with each other in the exhausted state in which the inside of the diaphragm is exhausted. If the parts are provided separately, they can be changed as appropriate.
  • the outer diameters of the overhanging portion 18 of the upper surface plate 2 and the plate-like base portion 12 of the lower surface plate 3 are the same, but this is not restrictive.
  • the lower surface plate 3 may include a support portion that supports the plate-like base portion 12 from below (outside the diaphragm along the axial direction).
  • the support portion may be formed of a material different from that of the plate-like base portion 12.
  • the auxiliary elastic body 6 is made of laminated rubber, but is not limited thereto.
  • the auxiliary elastic body 6 can be appropriately changed to other configurations as long as the spring constants in the axis O direction and the radial direction are higher than those of the diaphragm 5 filled with gas.
  • a lower substrate, an upper substrate, and a cylindrical elastic member disposed between the two substrates and vulcanized and bonded to the two substrates may be provided.
  • the auxiliary elastic body 6 may be omitted.
  • the lower surface plate 3 may be provided with a configuration corresponding to the upper substrate 8 of the auxiliary elastic body 6.
  • the diaphragm can be easily filled with gas from the exhausted state where the inside of the diaphragm is exhausted.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Diaphragms And Bellows (AREA)

Abstract

La présente invention concerne un dispositif (1) de suspension pneumatique muni d'un diaphragme (5) et doté d'un élément supérieur (2), d'un élément inférieur (3) et d'un élément (4) de film cylindrique dont les deux extrémités ouvertes sont séparément reliées à et obturées par les éléments supérieur et inférieur, chacun desdits élément supérieur (2) et inférieur (3) étant muni de composants (12, 18) d'appui qui sont situés à une certaine distance et en face l'un de l'autre dans la direction axiale dans un état où un gaz remplit le diaphragme (5), et qui se trouvent en contact mutuel dans un état évacué de gaz où le gaz se trouvant à l'intérieur du diaphragme (5) a été évacué.
PCT/JP2012/051798 2011-02-01 2012-01-27 Dispositif de suspension pneumatique Ceased WO2012105444A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011019766A JP2012159146A (ja) 2011-02-01 2011-02-01 空気ばね装置
JP2011-019766 2011-02-01

Publications (1)

Publication Number Publication Date
WO2012105444A1 true WO2012105444A1 (fr) 2012-08-09

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PCT/JP2012/051798 Ceased WO2012105444A1 (fr) 2011-02-01 2012-01-27 Dispositif de suspension pneumatique

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WO (1) WO2012105444A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014127344A3 (fr) * 2013-02-18 2015-02-26 Firestone Industrial Products Company, Llc Ensembles organes d'extrémité et ensembles ressorts à gaz et leurs procédés de fabrication
WO2016134185A1 (fr) * 2015-02-18 2016-08-25 Firestone Industrial Products Company, Llc Ensembles éléments d'extrémité ainsi qu'ensembles ressortsà gaz et systèmes de suspension les comprenant
EP2960541A4 (fr) * 2013-02-22 2016-11-02 Toyo Tire & Rubber Co Ressort pneumatique
CN111043226A (zh) * 2019-12-04 2020-04-21 株洲时代新材料科技股份有限公司 一种空气弹簧的预压缩方法及预压缩空气弹簧

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109844356B (zh) * 2016-10-17 2021-08-10 住友电气工业株式会社 空气弹簧和转向架

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Publication number Priority date Publication date Assignee Title
JPH1178877A (ja) * 1997-09-05 1999-03-23 Kawasaki Heavy Ind Ltd 車体支持用空気バネ装置
JP2001263486A (ja) * 2000-03-22 2001-09-26 Matsushita Electric Works Ltd ダイヤフラム及びダイヤフラムポンプ並びにダイヤフラムの製造方法
JP2003254378A (ja) * 2002-03-04 2003-09-10 Bridgestone Corp 空気バネ
JP2005036825A (ja) * 2003-07-15 2005-02-10 Bridgestone Corp 空気バネ
JP2007127264A (ja) * 2005-10-03 2007-05-24 Bridgestone Corp 空気バネ
JP2007321936A (ja) * 2006-06-05 2007-12-13 Fukoku Co Ltd 空気ばね
JP2008196629A (ja) * 2007-02-14 2008-08-28 Bridgestone Corp 空気バネ
JP2010221915A (ja) * 2009-03-24 2010-10-07 Toyo Tire & Rubber Co Ltd 鉄道車両用空気ばね

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1178877A (ja) * 1997-09-05 1999-03-23 Kawasaki Heavy Ind Ltd 車体支持用空気バネ装置
JP2001263486A (ja) * 2000-03-22 2001-09-26 Matsushita Electric Works Ltd ダイヤフラム及びダイヤフラムポンプ並びにダイヤフラムの製造方法
JP2003254378A (ja) * 2002-03-04 2003-09-10 Bridgestone Corp 空気バネ
JP2005036825A (ja) * 2003-07-15 2005-02-10 Bridgestone Corp 空気バネ
JP2007127264A (ja) * 2005-10-03 2007-05-24 Bridgestone Corp 空気バネ
JP2007321936A (ja) * 2006-06-05 2007-12-13 Fukoku Co Ltd 空気ばね
JP2008196629A (ja) * 2007-02-14 2008-08-28 Bridgestone Corp 空気バネ
JP2010221915A (ja) * 2009-03-24 2010-10-07 Toyo Tire & Rubber Co Ltd 鉄道車両用空気ばね

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014127344A3 (fr) * 2013-02-18 2015-02-26 Firestone Industrial Products Company, Llc Ensembles organes d'extrémité et ensembles ressorts à gaz et leurs procédés de fabrication
US9387865B2 (en) 2013-02-18 2016-07-12 Firestone Industrial Products Company, Llc End member assemblies as well as gas spring assemblies and methods of manufacture including same
EP2960541A4 (fr) * 2013-02-22 2016-11-02 Toyo Tire & Rubber Co Ressort pneumatique
WO2016134185A1 (fr) * 2015-02-18 2016-08-25 Firestone Industrial Products Company, Llc Ensembles éléments d'extrémité ainsi qu'ensembles ressortsà gaz et systèmes de suspension les comprenant
CN111043226A (zh) * 2019-12-04 2020-04-21 株洲时代新材料科技股份有限公司 一种空气弹簧的预压缩方法及预压缩空气弹簧
CN111043226B (zh) * 2019-12-04 2021-10-01 株洲时代瑞唯减振装备有限公司 一种空气弹簧的预压缩方法及预压缩空气弹簧

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