EP3049308A1 - Rail vehicle with an air spring with controlled pressure - Google Patents
Rail vehicle with an air spring with controlled pressureInfo
- Publication number
- EP3049308A1 EP3049308A1 EP14793485.5A EP14793485A EP3049308A1 EP 3049308 A1 EP3049308 A1 EP 3049308A1 EP 14793485 A EP14793485 A EP 14793485A EP 3049308 A1 EP3049308 A1 EP 3049308A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air spring
- housing
- rail vehicle
- linkage
- car body
- 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- Withdrawn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
- 239000000463 material Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 description 7
- 239000007769 metal material Substances 0.000 description 3
- 230000006735 deficit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/14—Side bearings
- B61F5/144—Side bearings comprising fluid damping devices
-
- 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
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
Definitions
- the invention relates to a rail vehicle with a car body and a bogie on which the car body is supported, wherein between an underside of the Wagenkas ⁇ least and a bogie frame an air spring assembly is provided, which is associated with an attached to the car airfoil valve over the one air pressure in the air ⁇ spring controllable and which is actuated via a linkage, which is attached at one end to the bogie frame and with its other end to an actuating element for the Heilfederven- valve each articulated.
- a proposed suspension usually comprises a mechanically configured Primärfe ⁇ between the wheelset and bogie frame and a secondary spring which is arranged between the bogie frame and the car body.
- the secondary spring is an air spring out ⁇ leads.
- the air spring allows in addition to a suspension of a vertical movement of the car body and the whyregulie ⁇ tion to compensate for different loads through which the suspension is compressed to different degrees.
- the air spring is pneumatically connected to a compressed air supply via an air spring valve for venting or filling the air spring with compressed air.
- an air spring valve 1 is firmly and fixedly secured to a car body 2 and installed, an operation of the air spring valve 1 is carried by a linkage 3.
- the Ge ⁇ strands on 3 is connected to a bogie frame 4 movable above a NEN ball head 5 attached.
- a wagenkasten wornes end of the linkage 3 is connected via a further ball head 6 with an acting as an actuator lever 7, which controls the air ⁇ spring valve 1. If, during operation of the rail vehicle, a movement of the secondary air spring occurs, for example for level compensation, then the vehicle moves
- the present invention seeks to increase the availability of the operation of the air spring valve even in difficult weather conditions.
- a first part of the enclosure is made of flexible
- this first part of the housing then surrounds the linkage.
- the linkage that Kom ⁇ component is surrounded by a flexible enclosure which up reason of horizontal and vertical relative movements between the bogie frame and car body the greatest freedom for movements needed. It is advantageous when the part of the housing is sleeve-like manner and are formed such that movements of the Gestän ⁇ ges due to relative movements between the
- Bogie frame and the car body are allowed. This embodiment allows cost-effective and effective protection of the boom from the effects of the weather without substantially impairing its functionality.
- a part of the enclosure may be made of rigid material, preferably sheet metal or metallic material, forming a housing for the air spring valve and will be connected to the flexible part of the enclosure.
- the housing thus consists of the flexible part and the rigid / rigid part, which form a unit for protecting the linkage, the actuating element for the air spring valve and the air spring valve itself.
- Figure 1 is a perspective view of an ⁇ transition region between a
- FIG 2 is a perspective view as Figure 1, with an additional enclosure.
- the explained with reference to Figure 1 assembly of air spring valve 1, lever 7, ball head 6, linkage 3 and ball head 5 is surrounded by a housing 8.
- the housing 8 has an upper, rigid part 9, which holds the air suspension til 1, the lever 7, the ball head 6 and an upper Ab ⁇ section of the rod 3 surrounds and forms a housing.
- the rigid part 9 of the housing 8 is made of sheet metal or a metallic material.
- the housing is connected to a holding plate 13 or attached directly thereto.
- the retaining plate 13 extends vertically and is attached to an outer side of a car body 2 egg ⁇ nes rail vehicle, so that the air spring valve 1 is rigidly connected to the car body 2.
- the leveling valve 1 which betae ⁇ is saturated with the aid of the lever 7 is firmly attached to the car body and is connected via pneumatic lines 11, 12 both with an air spring (not shown) of the rail vehicle as well as pneumatic supply lines to one compressed air reservoir
- Housing 8 lateral passage openings for the pneumatic lines 11, 12 are introduced.
- the rigid part 9 of the housing 8 is completed and closed with a lid (not shown) which closes the rigid part 9 from the outside.
- a flexible, cuff-like part 10 connects directly below, which surrounds a portion of the rod 3 and further extends beyond the ball head 5 down
- the housing 10 is closed at the bottom.
- the housing 8 allows due to the flexible part 10, the movements occurring of the linkage 3 and the lever 7, when a vertical distance between the
- Bogie frame 4 and the car body shell 2 changes, in addition to ⁇ horizontal movements between these two components of the rail vehicle.
- the housing 8 with its first flexible part 10 and its second, rigid part 9 thus protects the assembly from the Ball head 5 off on the linkage 3, the ball head 6 between linkage 3 and lever 7, the lever 7 itself to the air spring ⁇ valve 1 effectively against the weather.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
Beschreibung description
Schienenfahrzeug mit hinsichtlich ihres Drucks gesteuerter Luftfeder Rail vehicle with air spring controlled with respect to its pressure
Die Erfindung bezieht sich auf ein Schienenfahrzeug mit einem Wagenkasten und einem Drehgestell, auf dem der Wagenkasten abgestützt ist, wobei zwischen einer Unterseite des Wagenkas¬ tens und einem Drehgestellrahmen eine Luftfederanordnung vor- gesehen ist, der ein an dem Wagenkasten befestigtes Luftfederventil zugeordnet ist, über das ein Luftdruck in der Luft¬ feder steuerbar und das über ein Gestänge betätigt ist, das mit seinem einen Ende am Drehgestellrahmen und mit seinem anderen Ende an einem Betätigungselement für das Luftfederven- til jeweils gelenkig angebracht ist. The invention relates to a rail vehicle with a car body and a bogie on which the car body is supported, wherein between an underside of the Wagenkas ¬ least and a bogie frame an air spring assembly is provided, which is associated with an attached to the car airfoil valve over the one air pressure in the air ¬ spring controllable and which is actuated via a linkage, which is attached at one end to the bogie frame and with its other end to an actuating element for the Luftfederven- valve each articulated.
Als Beispiel für ein solches Schienenfahrzeug kann folgendes angegeben werden: Baureihe 460, „MittelrheinBahn" in Betrieb seit dem 14.12.2008. The following can be given as an example of such a rail vehicle: Series 460, "MittelrheinBahn" in operation since 14.12.2008.
Bei einem solchen Schienenfahrzeug umfasst eine vorgesehene Federung in der Regel eine mechanisch ausgestaltete Primärfe¬ der zwischen Radsatz und Drehgestellrahmen und eine Sekundärfeder, die zwischen dem Drehgestellrahmen und dem Wagenkasten angeordnet ist. Die Sekundärfeder ist als Luftfeder ausge¬ führt. Die Luftfeder ermöglicht neben einer Federung einer Vertikalbewegung des Wagenkastens auch dessen Niveauregulie¬ rung zum Ausgleich unterschiedlicher Lasten, durch welche die Federung verschieden stark zusammengedrückt wird. Die Luftfe- der ist über ein Luftfederventil mit einer Druckluftversorgung zum Entlüften oder Befüllen der Luftfeder mit Druckluft pneumatisch verbunden. In such a rail vehicle, a proposed suspension usually comprises a mechanically configured Primärfe ¬ between the wheelset and bogie frame and a secondary spring which is arranged between the bogie frame and the car body. The secondary spring is an air spring out ¬ leads. The air spring allows in addition to a suspension of a vertical movement of the car body and the Niveauregulie ¬ tion to compensate for different loads through which the suspension is compressed to different degrees. The air spring is pneumatically connected to a compressed air supply via an air spring valve for venting or filling the air spring with compressed air.
Wie aus Figur 1 hervorgeht, die den bekannten Stand der Tech- nik zeigt, ist ein Luftfederventil 1 fest und unbeweglich an einem Wagenkasten 2 befestigt bzw. verbaut, eine Betätigung des Luftfederventils 1 erfolgt über ein Gestänge 3. Das Ge¬ stänge 3 ist an einem Drehgestellrahmen 4 beweglich über ei- nen Kugelkopf 5 befestigt. Ein wagenkastenseitiges Ende des Gestänges 3 ist über einen weiteren Kugelkopf 6 mit einem als Betätigungselement wirkenden Hebel 7 verbunden, der das Luft¬ federventil 1 steuert. Kommt es im Betrieb des Schienenfahr- zeugs zu einer Bewegung der sekundären Luftfeder für beispielsweise einen Niveauausgleich, so bewegt sich der As is apparent from Figure 1, showing the known state of the art, an air spring valve 1 is firmly and fixedly secured to a car body 2 and installed, an operation of the air spring valve 1 is carried by a linkage 3. The Ge ¬ strands on 3 is connected to a bogie frame 4 movable above a NEN ball head 5 attached. A wagenkastenseitiges end of the linkage 3 is connected via a further ball head 6 with an acting as an actuator lever 7, which controls the air ¬ spring valve 1. If, during operation of the rail vehicle, a movement of the secondary air spring occurs, for example for level compensation, then the vehicle moves
Drehgestellrahmen 4 auf das Luftfederventil 1 zu. Über das Gestänge 3 wird nun der Hebel 7 ausgelenkt und betätigt das Luftfederventil 1. Bogie frame 4 on the air spring valve 1 to. About the linkage 3, the lever 7 is now deflected and actuates the air spring valve. 1
Bei einer solch typischen Anordnung ist die Baueinheit aus Gestänge 3, Hebel 7 und Luftfederventil 1 von außen frei zu¬ gänglich und somit Witterungseinflüssen ausgesetzt ist. Insbesondere im Winter kann es zu Fehlfunktionen durch Schnee bzw. ein Vereisen im Bereich Drehgestell - Gestänge - Hebel - Luftfederventil kommen. With such a typical arrangement, the assembly of rod 3, lever 7 and air spring valve 1 is freely accessible ¬ and thus exposed to weathering from the outside. In winter, malfunctions can occur due to snow or icing in the bogie - linkage - lever - air suspension valve area.
Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde, eine Verfügbarkeit des Betriebs des Luftfederventils auch bei schwierigen Witterungseinflüssen zu erhöhen. Proceeding from this, the present invention seeks to increase the availability of the operation of the air spring valve even in difficult weather conditions.
Diese Aufgabe wird bei dem eingangs genannten Schienenfahr¬ zeug dadurch gelöst, dass das Gestänge, das Betätigungsele¬ ment und das Luftfederventil vollständig von einer Einhausung umgeben sind. This object is achieved with the aforementioned rail vehicle ¬ generating characterized in that the linkage Betätigungsele ¬ element and the leveling valve are completely surrounded by a housing.
In dieser Weise sind sämtliche beweglichen Teile vom In this way, all moving parts of the
Anlenkungspunkt des Gestänges am Drehgestellrahmen aus bis zu dem Luftfederventil von einer Einhausung geschützt, so dass Witterungseinflüsse weitgehend vermindert werden. Insbesonde¬ re können Beeinträchtigungen der Verfügbarkeit der Luftfederventilbetätigung durch Schnee- oder Eiseinlagerungen im Winter deutlich reduziert werden. Bevorzugt ist ein erster Teil der Einhausung aus flexiblemAnchorage point of the linkage on the bogie frame up to the air suspension valve protected by an enclosure, so that weather conditions are largely reduced. Insbesonde ¬ re impairments of the availability of the leveling valve actuation by snow or Eiseinlagerungen in winter can be significantly reduced. Preferably, a first part of the enclosure is made of flexible
Material hergestellt, wobei dieser erste Teil der Einhausung dann das Gestänge umgibt. Mit dem Gestänge ist diejenige Kom¬ ponente von einer flexiblen Einhausung umgeben, welche auf- grund von horizontalen und vertikalen Relativbewegungen zwischen Drehgestellrahmen und Wagenkasten den größten Freiraum für Bewegungen benötigt. Es ist von Vorteil, wenn der Teil der Einhausung manschettenartig und derart ausgebildet ist, dass Bewegungen des Gestän¬ ges aufgrund von Relativbewegungen zwischen dem Material produced, this first part of the housing then surrounds the linkage. With the linkage that Kom ¬ component is surrounded by a flexible enclosure which up reason of horizontal and vertical relative movements between the bogie frame and car body the greatest freedom for movements needed. It is advantageous when the part of the housing is sleeve-like manner and are formed such that movements of the Gestän ¬ ges due to relative movements between the
Drehgestellrahmen und dem Wagenkasten zugelassen sind. Diese Ausführungsform ermöglicht einen kostengünstigen und wirksa- men Schutz des Gestänges vor Witterungseinflüssen, ohne dessen Funktionalität wesentlich zu beeinträchtigen. Bogie frame and the car body are allowed. This embodiment allows cost-effective and effective protection of the boom from the effects of the weather without substantially impairing its functionality.
Ein Teil der Einhausung kann aus steifem Material, vorzugsweise Blech oder metallischer Werkstoff, hergestellt sein, ein Gehäuse für das Luftfederventil bilden und wird an den flexiblen Teil der Einhausung angeschlossen sein. Bei dieser Ausführungsform besteht die Einhausung somit aus dem flexiblen Teil und dem steifen/starren Teil, die eine Baueinheit zum Schutz des Gestänges, des Betätigungselementes für das Luftfederventil und das Luftfederventil selbst ausbilden. A part of the enclosure may be made of rigid material, preferably sheet metal or metallic material, forming a housing for the air spring valve and will be connected to the flexible part of the enclosure. In this embodiment, the housing thus consists of the flexible part and the rigid / rigid part, which form a unit for protecting the linkage, the actuating element for the air spring valve and the air spring valve itself.
Ein Ausführungsbeispiel der Erfindung wird nachfolgend unter Bezugnahme auf die Zeichnung noch näher erläutert. Es zeigen: Figur 1 eine perspektivische Ansicht eines Über¬ gangsbereichs zwischen einem An embodiment of the invention will be explained in more detail with reference to the drawings. In the drawings: Figure 1 is a perspective view of an ¬ transition region between a
Drehgestellrahmen und einem Wagenkasten eines Schienenfahrzeugs mit gesteuertem Luftfederventil nach dem Stand der Tech- nik und Bogie frame and a car body of a rail vehicle with controlled air suspension valve according to the prior art and technology
Figur 2 eine perspektivische Ansicht wie Figur 1, mit einer zusätzlichen Einhausung. In Figur 2 ist die anhand von Figur 1 erläuterte Baugruppe aus Luftfederventil 1, Hebel 7, Kugelkopf 6, Gestänge 3 und Kugelkopf 5 von einer Einhausung 8 umgeben. Die Einhausung 8 weist einen oberen, starren Teil 9 auf, der das Luftfederven- til 1, den Hebel 7, den Kugelkopf 6 und einen oberen Ab¬ schnitt des Gestänges 3 umgibt und ein Gehäuse ausbildet. Im dargestellten Ausführungsbeispiel ist der starre Teil 9 der Einhausung 8 aus Blech oder einem metallischen Werkstoff her- gestellt. Das Gehäuse ist mit einem Halteblech 13 verbunden bzw. daran unmittelbar befestigt. Das Halteblech 13 verläuft vertikal und ist an einer Außenseite eines Wagenkastens 2 ei¬ nes Schienenfahrzeugs befestigt, so dass das Luftfederventil 1 starr mit dem Wagenkasten 2 verbunden ist. Figure 2 is a perspective view as Figure 1, with an additional enclosure. In Figure 2, the explained with reference to Figure 1 assembly of air spring valve 1, lever 7, ball head 6, linkage 3 and ball head 5 is surrounded by a housing 8. The housing 8 has an upper, rigid part 9, which holds the air suspension til 1, the lever 7, the ball head 6 and an upper Ab ¬ section of the rod 3 surrounds and forms a housing. In the illustrated embodiment, the rigid part 9 of the housing 8 is made of sheet metal or a metallic material. The housing is connected to a holding plate 13 or attached directly thereto. The retaining plate 13 extends vertically and is attached to an outer side of a car body 2 egg ¬ nes rail vehicle, so that the air spring valve 1 is rigidly connected to the car body 2.
Das Luftfederventil 1, welches mit Hilfe des Hebels 7 betä¬ tigt wird, ist fest an dem Wagenkasten angebracht und steht über pneumatische Leitungen 11, 12 sowohl mit einer Luftfeder (nicht dargestellt) des Schienenfahrzeugs als auch mit pneu- matischen Versorgungsleitungen einem Druckluftreservoir The leveling valve 1 which betae ¬ is saturated with the aid of the lever 7 is firmly attached to the car body and is connected via pneumatic lines 11, 12 both with an air spring (not shown) of the rail vehicle as well as pneumatic supply lines to one compressed air reservoir
(nicht dargestellt) verbunden. Im starren Teil 9 der (not shown) connected. In the rigid part 9 of the
Einhausung 8 sind seitliche Durchgangsöffnungen für die pneumatischen Leitungen 11, 12 eingebracht. Der starre Teil 9 der Einhausung 8 wird vervollständigt und verschlossen mit einem Deckel (nicht dargestellt) , welcher den starren Teil 9 von außen verschließt. Housing 8 lateral passage openings for the pneumatic lines 11, 12 are introduced. The rigid part 9 of the housing 8 is completed and closed with a lid (not shown) which closes the rigid part 9 from the outside.
An den starren Teil 9 der Einhausung 8 schließt sich unten ein flexibler, manschettenartiger Teil 10 unmittelbar an, der einen Teil des Gestänges 3 umgibt und sich über den Kugelkopf 5 hinaus weiter nach unten erstreckt Die Einhausung 10 ist am unteren Rand verschlossen. Die Einhausung 8 gestattet aufgrund des flexiblen Teils 10 die auftretenden Bewegungen des Gestänges 3 und des Hebels 7, wenn sich ein vertikaler Abstand zwischen dem At the rigid part 9 of the housing 8, a flexible, cuff-like part 10 connects directly below, which surrounds a portion of the rod 3 and further extends beyond the ball head 5 down The housing 10 is closed at the bottom. The housing 8 allows due to the flexible part 10, the movements occurring of the linkage 3 and the lever 7, when a vertical distance between the
Drehgestellrahmen 4 und dem Wagenkastenrohbau 2 ändert, zu¬ sätzlich auch horizontale Bewegungen zwischen diesen beiden Komponenten des Schienenfahrzeugs. Bogie frame 4 and the car body shell 2 changes, in addition to ¬ horizontal movements between these two components of the rail vehicle.
Die Einhausung 8 mit ihrem ersten flexiblen Teil 10 und ihrem zweiten, starren Teil 9 schützt somit die Baueinheit von dem Kugelkopf 5 aus über das Gestänge 3, den Kugelkopf 6 zwischen Gestänge 3 und Hebel 7, den Hebel 7 selbst bis zum Luftfeder¬ ventil 1 wirksam gegen Witterungseinflüsse. The housing 8 with its first flexible part 10 and its second, rigid part 9 thus protects the assembly from the Ball head 5 off on the linkage 3, the ball head 6 between linkage 3 and lever 7, the lever 7 itself to the air spring ¬ valve 1 effectively against the weather.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013225471.7A DE102013225471A1 (en) | 2013-12-10 | 2013-12-10 | Rail vehicle with air spring controlled with respect to its pressure |
| PCT/EP2014/072822 WO2015086208A1 (en) | 2013-12-10 | 2014-10-24 | Rail vehicle with an air spring with controlled pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3049308A1 true EP3049308A1 (en) | 2016-08-03 |
Family
ID=51862268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14793485.5A Withdrawn EP3049308A1 (en) | 2013-12-10 | 2014-10-24 | Rail vehicle with an air spring with controlled pressure |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3049308A1 (en) |
| CN (1) | CN205951984U (en) |
| DE (1) | DE102013225471A1 (en) |
| RU (1) | RU171620U1 (en) |
| WO (1) | WO2015086208A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU189633U1 (en) * | 2019-02-22 | 2019-05-29 | Общество с ограниченной ответственностью "Уральские локомотивы" | CUTTER BAR POSITION REGULATOR |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1369405A (en) * | 1963-05-27 | 1964-08-14 | Advanced air suspension for vehicles | |
| DE2218089C3 (en) * | 1972-04-14 | 1982-01-14 | Wegmann & Co, 3500 Kassel | Rail vehicles, in particular coaches with bogies |
| DE2558676C3 (en) * | 1975-12-24 | 1980-08-28 | Wegmann & Co, 3500 Kassel | Noise protection on rail vehicles |
| JPS5539810A (en) * | 1978-09-11 | 1980-03-21 | Hitachi Ltd | Airrcushion height adjusting device of truck for car |
| IT1135697B (en) * | 1981-03-23 | 1986-08-27 | Gomma Antivibranti Applic | SECONDARY SUSPENSION FOR TROLLEYS WITHOUT OSCILLATING RAILWAY OF RAILWAY VEHICLES |
| DE4037672A1 (en) * | 1990-11-27 | 1992-06-04 | Man Ghh Schienenverkehr | RAIL VEHICLE |
| DE4122741A1 (en) * | 1991-07-10 | 1993-01-14 | Waggon Union Gmbh | BOG FOR FAST-SPEED RAIL VEHICLES |
| DE4234523A1 (en) * | 1992-10-13 | 1994-04-14 | Knorr Bremse Ag | Level and incline control of a car body |
| US5291835A (en) * | 1993-03-25 | 1994-03-08 | Railrunner Systems, Inc. | Retractable intermodal vehicle |
| DE19647998A1 (en) * | 1996-11-20 | 1998-05-28 | Duewag Ag | Pneumatic spring suspension for rail vehicles |
| CN1291854C (en) * | 2000-03-20 | 2006-12-27 | 肯迪泰克空气弹簧有限公司 | Pneumatic shock-absorber with a height sensor |
| DE102009041110A1 (en) * | 2009-09-15 | 2011-03-24 | Bombardier Transportation Gmbh | Actuator with multiple action |
-
2013
- 2013-12-10 DE DE102013225471.7A patent/DE102013225471A1/en not_active Withdrawn
-
2014
- 2014-10-24 RU RU2016127820U patent/RU171620U1/en not_active IP Right Cessation
- 2014-10-24 EP EP14793485.5A patent/EP3049308A1/en not_active Withdrawn
- 2014-10-24 WO PCT/EP2014/072822 patent/WO2015086208A1/en active Application Filing
- 2014-10-24 CN CN201490001238.XU patent/CN205951984U/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2015086208A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205951984U (en) | 2017-02-15 |
| DE102013225471A1 (en) | 2015-06-11 |
| WO2015086208A1 (en) | 2015-06-18 |
| RU171620U1 (en) | 2017-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20160426 |
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