US20100294163A1 - Rail vehicle - Google Patents
Rail vehicle Download PDFInfo
- Publication number
- US20100294163A1 US20100294163A1 US12/373,118 US37311807A US2010294163A1 US 20100294163 A1 US20100294163 A1 US 20100294163A1 US 37311807 A US37311807 A US 37311807A US 2010294163 A1 US2010294163 A1 US 2010294163A1
- Authority
- US
- United States
- Prior art keywords
- wheel
- camber
- rail vehicle
- steering
- actuator
- 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.)
- Abandoned
Links
- 239000000969 carrier Substances 0.000 claims abstract description 4
- 230000001133 acceleration Effects 0.000 claims description 2
- 230000001154 acute effect Effects 0.000 claims 1
- 239000000725 suspension Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
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
- B61F3/00—Types of bogies
- B61F3/16—Types of bogies with a separate axle for each wheel
-
- 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
- B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
-
- 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
- B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
- B61F5/386—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles fluid actuated
-
- 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
- B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
- B61F5/46—Adjustment controlled by a sliding axle under the same vehicle underframe
Definitions
- the invention relates to a rail vehicle comprising a chassis provided with individual wheels which are respectively mounted on axle carriers in such a way that they can pivot in the horizontal direction about a vertical steering axis.
- Said rail vehicle also comprises a steering actuator associated with each wheel, for adjusting a pre-determined steering angle about the vertical steering axis.
- DE 40 40 303 A1 discloses a rail vehicle with a chassis, of which individual wheels are mounted on an axle carrier, which is mounted for pivoting in the horizontal direction about a vertical steering axis.
- the wheels cooperate with a steering actuator, so that the wheels during travel can be adjusted to a predetermined steering angle.
- the rail vehicle includes an independent-wheel running gear and can be actively steered by actuation of the steering actuator on the wheels.
- the solution of this task is solved thereby, that the wheels of the axle are respectively mounted in such a way that they can be pivoted in the vertical direction about a horizontal camber axis and can be actuated by means of a camber actuator for adjusting the predetermined camber angle.
- the particular advantage of the invention is comprised therein, that a reliable and robust rail guidance and rail steering is made possible, which is independent of the coefficient of friction of a wheel-rail-contact point. If the coefficient of friction drops due to weather conditions, such as ice or foliage on the rails, then the rail vehicle speed need not be reduced in the curve.
- a camber actuator is controlled in such a manner, that the wheel is oriented in a central position or camber position, in that exclusively normal forces are transmitted in the wheel contact point.
- the wheel is thus tilted sideways in such a manner that no frictional forces exist in the transverse direction.
- transverse forces occurring during negotiation of a curve can be completely supported via the sideways forces on the contoured sides.
- the friction at the wheel-to-rail-contact point can be reduced. An absence of slippage in the transverse direction can be ensured.
- the wheel is mounted via a four-bar linkage to the chassis.
- Advantageously thereby undesired movements of the chassis can be avoided.
- the space between the instantaneous center of rotation and the wheel-to-rail contact point can be kept small.
- the wheel is mounted to the chassis via a king-pin steering.
- one fixed camber axis per wheel can be provided, which is oriented perpendicular to the steering axis and parallel to the vehicle longitudinal direction.
- the camber axis can be variable depending on the camber angle.
- the wheel is coupled to the axle carrier via a cross linkage or control arm or wishbone.
- FIG. 1 a a schematic vertical section through a chassis of a rail vehicle according to a first embodiment
- FIG. 1 b a horizontal section through the chassis according to the first embodiment
- FIG. 2 a a schematic vertical section through a chassis according to a second embodiment
- FIG. 2 b a horizontal section through the chassis of the second embodiment
- FIG. 3 a schematic representation of a camber position of the wheel.
- a rail vehicle is moved along the rails 4 by a not shown drive and/or braking unit in the vehicle in the longitudinal direction (transverse to the image plane according to FIG. 1 a ) with rolling of the wheels 1 .
- the wheels 1 are a component of a chassis 2 , which is provided in a not-shown rail carriage body.
- the chassis 2 includes elongate axle carriers 3 , upon the opposite end areas of which the wheels 1 are respectively individually mounted.
- a steering actuator 5 For adjusting to a predetermined steering angle ⁇ L about a vertical steering axis V a steering actuator 5 is provided.
- the steering actuator 5 is mounted between an arm 6 and the not-shown wheel hub provided in the wheel 1 .
- the vertical steering axis V extends in a central radial plane M R of the wheel 1 .
- the steering actuator 5 is controlled via a not shown control unit in such a manner, that the wheel 1 is adjusted according to such a steering angle ⁇ L , that the wheels 1 are guided along one of the curve radius r set by the rails 4 .
- a camber actuator 7 is provided, which is provided between the axle arm 8 and the axle carrier 3 .
- the wheel 1 is pivotable about a fixed horizontal camber axis S, which runs at a vertical height, which is set below a horizontal axle plane of the wheel 1 .
- the camber actuator 7 engages above the horizontal axial plane of the wheel 1 .
- the camber axis S is provided perpendicular to the vertical longitudinal axis V and in the vehicle longitudinal direction.
- the horizontal camber axis S and the vertical longitudinal axis V intersect in the central radial plane M R of the wheel 1 .
- the camber actuator 7 is controlled via a not shown control unit in such a manner, that the wheel 1 is pivoted, depending upon the longitudinal angle ⁇ L , in such a way about the camber angle ⁇ S sideways of the central position in a camber position, so that at the wheel contact point P exclusively normal forces F N are transmitted.
- the camber angle ⁇ S of the wheel 1 corresponds to the angle ⁇ F , which is locked in or implemented on the one hand by the vertical force F V and on the other hand by the force F R resulting from the combination of the vertical force F V and the transverse force F Q .
- the camber actuator 7 can be controlled during negotiating of a curve in such a manner, that the camber angle ⁇ S is computed from the relationship
- the camber actuator 7 is connected via a twin control arm or suspension arm 9 of a control arm or suspension arm unit 10 with the wheel 1 in an articulated linkage.
- a twin control arm or suspension arm 9 of a control arm or suspension arm unit 10 with the wheel 1 in an articulated linkage.
- the control arm unit 10 is comprised of two twin control arms 9 , 9 ′, which extend from a common axle arm 11 on both sides of the central radial plane M R of the wheel 1 .
- a tilting of the wheel 1 about a variable camber axis S occurs. This is preferably situated below a horizontal axial plane of the wheel 1 .
- the twin control arms 9 or, as the case may be, 9 ′ exhibit respectively parallel control arm axis 12 .
- the steering actuator 5 is mounted between a steering rod 13 and the not shown wheel hub provided in the wheel 1 .
- the wheel 1 can be mounted in the chassis 2 via a four-bar linkage.
- the wheel 1 is mounted in the chassis 2 via a king-pin steering.
- the vertical steering axis V preferably runs in the central radial plane M R of the wheel 1 .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to a rail vehicle comprising a chassis provided with individual wheels which are respectively mounted on axle carriers in such a way that they can pivot in the horizontal direction about a vertical steering axis. Said rail vehicle also comprises a steering actuator associated with each wheel, for adjusting a pre-determined steering angle about the vertical steering axis, the wheels (1) of the axles being respectively mounted in such a way that they can be pivoted in the vertical direction about a horizontal camber axis (S) and can be acted upon by means of a camber actuator (7) in order to adjust a pre-determined camber angle (αS).
Description
- The invention relates to a rail vehicle comprising a chassis provided with individual wheels which are respectively mounted on axle carriers in such a way that they can pivot in the horizontal direction about a vertical steering axis. Said rail vehicle also comprises a steering actuator associated with each wheel, for adjusting a pre-determined steering angle about the vertical steering axis.
- DE 40 40 303 A1 discloses a rail vehicle with a chassis, of which individual wheels are mounted on an axle carrier, which is mounted for pivoting in the horizontal direction about a vertical steering axis. The wheels cooperate with a steering actuator, so that the wheels during travel can be adjusted to a predetermined steering angle. The rail vehicle includes an independent-wheel running gear and can be actively steered by actuation of the steering actuator on the wheels.
- The disadvantage of this known rail vehicle is that the track guidance and track steering during negotiation of curves or, as the case may be, passive switch plates, is not reliably taken into consideration and in unfavorable circumstances could lead to derailing of the rail vehicles.
- It is thus the task of the present invention to further develop a rail vehicle of this type such that a safe, reliable and robust rail guidance thereof is ensured.
- In combination with the pre-characterizing portion of
claim 1, the solution of this task is solved thereby, that the wheels of the axle are respectively mounted in such a way that they can be pivoted in the vertical direction about a horizontal camber axis and can be actuated by means of a camber actuator for adjusting the predetermined camber angle. - The particular advantage of the invention is comprised therein, that a reliable and robust rail guidance and rail steering is made possible, which is independent of the coefficient of friction of a wheel-rail-contact point. If the coefficient of friction drops due to weather conditions, such as ice or foliage on the rails, then the rail vehicle speed need not be reduced in the curve.
- It is the basic idea of the invention to decouple the dependence of the rail guidance or piloting friction. In accordance with the invention this occurs thereby, that the camber of the wheels is changed or, as the case may be, that this is tilted sideways to the vehicle longitudinal axis. Since the rails have a hemispherical cross-sectional profile, the wheels can support themselves thereupon.
- In accordance with a preferred embodiment of the invention, a camber actuator is controlled in such a manner, that the wheel is oriented in a central position or camber position, in that exclusively normal forces are transmitted in the wheel contact point. The wheel is thus tilted sideways in such a manner that no frictional forces exist in the transverse direction. Thereby transverse forces occurring during negotiation of a curve can be completely supported via the sideways forces on the contoured sides. The friction at the wheel-to-rail-contact point can be reduced. An absence of slippage in the transverse direction can be ensured.
- According to a further development of the invention the wheel is mounted via a four-bar linkage to the chassis. Advantageously thereby undesired movements of the chassis can be avoided. Thereby the space between the instantaneous center of rotation and the wheel-to-rail contact point can be kept small.
- According to a further development of the invention the wheel is mounted to the chassis via a king-pin steering.
- According to a particular embodiment of the invention one fixed camber axis per wheel can be provided, which is oriented perpendicular to the steering axis and parallel to the vehicle longitudinal direction.
- According to a second embodiment of the invention the camber axis can be variable depending on the camber angle. Therein the wheel is coupled to the axle carrier via a cross linkage or control arm or wishbone.
- Further advantages of the invention can be seen from the dependent claims.
- Illustrative embodiments of the invention are explained in the following on the basis of the figures.
- There is shown:
-
FIG. 1 a: a schematic vertical section through a chassis of a rail vehicle according to a first embodiment, -
FIG. 1 b: a horizontal section through the chassis according to the first embodiment, -
FIG. 2 a: a schematic vertical section through a chassis according to a second embodiment, -
FIG. 2 b: a horizontal section through the chassis of the second embodiment, and -
FIG. 3 : a schematic representation of a camber position of the wheel. - A rail vehicle is moved along the
rails 4 by a not shown drive and/or braking unit in the vehicle in the longitudinal direction (transverse to the image plane according toFIG. 1 a) with rolling of thewheels 1. - The
wheels 1 are a component of achassis 2, which is provided in a not-shown rail carriage body. - The
chassis 2 includeselongate axle carriers 3, upon the opposite end areas of which thewheels 1 are respectively individually mounted. - For adjusting to a predetermined steering angle αL about a vertical steering axis V a
steering actuator 5 is provided. Thesteering actuator 5 is mounted between anarm 6 and the not-shown wheel hub provided in thewheel 1. The vertical steering axis V extends in a central radial plane MR of thewheel 1. - The
steering actuator 5 is controlled via a not shown control unit in such a manner, that thewheel 1 is adjusted according to such a steering angle αL, that thewheels 1 are guided along one of the curve radius r set by therails 4. - For setting a predetermined angle αF of the wheel 1 a
camber actuator 7 is provided, which is provided between theaxle arm 8 and theaxle carrier 3. - According to a first embodiment of the invention as shown in
FIGS. 1 a and 1 b thewheel 1 is pivotable about a fixed horizontal camber axis S, which runs at a vertical height, which is set below a horizontal axle plane of thewheel 1. Thecamber actuator 7 engages above the horizontal axial plane of thewheel 1. - The camber axis S is provided perpendicular to the vertical longitudinal axis V and in the vehicle longitudinal direction. The horizontal camber axis S and the vertical longitudinal axis V intersect in the central radial plane MR of the
wheel 1. - The
camber actuator 7 is controlled via a not shown control unit in such a manner, that thewheel 1 is pivoted, depending upon the longitudinal angle αL, in such a way about the camber angle αS sideways of the central position in a camber position, so that at the wheel contact point P exclusively normal forces FN are transmitted. As can be seen from the camber position of thewheel 1 shown inFIG. 3 , the camber angle αS of thewheel 1 corresponds to the angle αF, which is locked in or implemented on the one hand by the vertical force FV and on the other hand by the force FR resulting from the combination of the vertical force FV and the transverse force FQ. - The
camber actuator 7 can be controlled during negotiating of a curve in such a manner, that the camber angle αS is computed from the relationship -
-
- wherein v is the vehicle speed, r is the steering radius and g the gravitational acceleration.
- According to a second embodiment of the invention as shown in
FIGS. 2 a and 2 b thecamber actuator 7 is connected via a twin control arm or suspension arm 9 of a control arm orsuspension arm unit 10 with thewheel 1 in an articulated linkage. The same components or, as the case may be, component functions are provided with the same reference numbers. - The
control arm unit 10 is comprised of two twin control arms 9, 9′, which extend from acommon axle arm 11 on both sides of the central radial plane MR of thewheel 1. By adjusting thewheel 1 about the camber angle αS a tilting of thewheel 1 about a variable camber axis S occurs. This is preferably situated below a horizontal axial plane of thewheel 1. The twin control arms 9 or, as the case may be, 9′ exhibit respectively parallelcontrol arm axis 12. - The
steering actuator 5 is mounted between asteering rod 13 and the not shown wheel hub provided in thewheel 1. - The
wheel 1 can be mounted in thechassis 2 via a four-bar linkage. Preferably thewheel 1 is mounted in thechassis 2 via a king-pin steering. - The vertical steering axis V preferably runs in the central radial plane MR of the
wheel 1.
Claims (10)
1. A rail vehicle with a chassis provided with individual wheels which are respectively mounted on axle carriers, which are mounted in such a way that they can pivot in the horizontal direction about a vertical steering axis, and a steering actuator associated with each respective wheel for adjusting a predetermined steering angle about the vertical steering axis, thereby characterized, that the wheels (1) of the axle respectively are mounted pivotable in the vertical direction about a horizontal camber axis (S) and by means of a camber actuator (7) actuatable for adjusting a predetermined camber angle (αS).
2. The rail vehicle according to claim 1 , wherein the camber actuator (7) is coupled with the wheel (1) and wherein the camber actuator (7) is controlled in such a manner, that the wheel (1) is oriented in a centered or a chamfered position, in which exclusively normal forces are transmitted at the wheel contact point (P).
3. The rail vehicle according to claim 1 , wherein the camber actuator (7) is controlled in such a manner, that the camber angle (αS) is the same as an acute angle (αF), which is comprised of the sum of a vertical force (FV) running in the vertical direction and a transverse force (FQ) running in the horizontal direction and extends or arranges on the one hand the resulting force (FR) acting upon the wheel contact point (P) of the rail and on the other hand on the vertical force (FV).
4. The rail vehicle according to claim 1 , wherein the camber actuator (7) is controlled in such a manner, that the camber angle (αS) of the wheel 1 is adjusted according to the relationship
wherein v is the speed of the rail vehicle, r the steering radius according to the curve being negotiated by the rail vehicle, and g is gravitational acceleration.
5. The rail vehicle according to claim 1 , wherein the wheel (1) is mounted on the chassis (2) via a four-bar linkage.
6. The rail vehicle according to claim 1 , wherein the wheel (1) is mounted via a king pin steering in the chassis (2).
7. The rail vehicle according to claim 1 , wherein the control unit acts on a camber actuator (7) engaging the wheel (1) via an articulated linkage, in such a manner, that the wheel (1), depending upon the steering angle (αL), is pivoted out of a central position (M) by camber angle (αS) in the support axis (S).
8. The rail vehicle according to claim 1 , wherein the camber actuator (7) is linked directly to the wheel (1), in such a manner, that the wheel (1) is pivotable about a fixed camber axis (S), which runs approximately the height of one of the areas of the wheel (1) close to the rail.
9. The rail vehicle according to claim 1 , wherein the camber actuator (7) is linked to the wheel (1) via a twin control arm (9, 9′) of a control arm unit, wherein the twin control arms (9, 9′) in a central or normal position of the camber actuator (7) run symmetric to a central radial plane (RM).
10. The rail vehicle according to claim 1 , wherein the vertical steering axis (V) extends or runs in the central radial plane (MR) of the wheel (1).
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006032573.7 | 2006-07-12 | ||
DE102006032573 | 2006-07-12 | ||
DE102006033029.3 | 2006-07-14 | ||
DE200610033029 DE102006033029A1 (en) | 2006-07-14 | 2006-07-14 | Rail vehicle comprises chassis provided with individual wheels which are mounted on axle carriers in such manner that they are pivoted in horizontal direction about vertical steering axle |
PCT/DE2007/001056 WO2008006329A2 (en) | 2006-07-12 | 2007-06-14 | Rail vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
US20100294163A1 true US20100294163A1 (en) | 2010-11-25 |
Family
ID=38653245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/373,118 Abandoned US20100294163A1 (en) | 2006-07-12 | 2007-06-14 | Rail vehicle |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100294163A1 (en) |
EP (1) | EP2038156A2 (en) |
JP (1) | JP2009545474A (en) |
KR (1) | KR20090026801A (en) |
WO (1) | WO2008006329A2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2486272A (en) * | 2010-12-10 | 2012-06-13 | Tram Res Ltd | Tram section with steerable wheels |
WO2018015290A1 (en) | 2016-07-19 | 2018-01-25 | Medela Holding Ag | Wheel assembly for a vehicle guided on a railway track |
US10906566B2 (en) | 2015-09-28 | 2021-02-02 | Bombardier Transportation Gmbh | Running gear provided with a passive hydraulic wheel set steering system for a rail vehicle |
CN113562075A (en) * | 2020-04-29 | 2021-10-29 | 上海汽车集团股份有限公司 | Variable camber angle non-drive axle control method |
CN113562074A (en) * | 2020-04-29 | 2021-10-29 | 上海汽车集团股份有限公司 | Variable camber angle's non-drive axle and car |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5083513A (en) * | 1989-02-10 | 1992-01-28 | Kawasaki Jukogyo Kabushiki Kaisha | Railway car bogie with axle bearings centered on bogie axle |
US5730064A (en) * | 1993-02-03 | 1998-03-24 | Bishop; Arthur Ernest | Self-steering railway bogie |
US20040149162A1 (en) * | 2001-03-27 | 2004-08-05 | Wolfgang Auer | Self steering, three-axle bogie |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62163855A (en) * | 1986-01-16 | 1987-07-20 | 財団法人鉄道総合技術研究所 | Wheel set for railway rolling stock |
DE3715761A1 (en) * | 1987-05-12 | 1988-12-01 | Scheucken Heinrich | RAIL VEHICLE WITH VERTICALLY SWIVELING WHEEL GUIDE ELEMENTS FOR SINGLE-WHEEL OR MULTI-WHEELED CHASSIS TO TILT THE WHEEL LEVELS AGAINST THE TRACK CENTER |
DE4040303A1 (en) | 1990-12-17 | 1992-06-25 | Waggon Union Gmbh | SINGLE-WHEEL CHASSIS FOR RAIL VEHICLES |
DE4405264B4 (en) * | 1993-08-18 | 2015-07-09 | Josef Nusser | track vehicle |
JPH1120692A (en) * | 1997-07-02 | 1999-01-26 | Hitachi Ltd | Operating method for vehicle |
WO2005007480A1 (en) * | 2003-07-16 | 2005-01-27 | Yoshihiro Suda | Self-steering flatcar and railroad vehicle using having this self-steering flatcar applied thereto |
-
2007
- 2007-06-14 KR KR1020097001030A patent/KR20090026801A/en not_active Application Discontinuation
- 2007-06-14 EP EP07764372A patent/EP2038156A2/en not_active Withdrawn
- 2007-06-14 JP JP2009518711A patent/JP2009545474A/en active Pending
- 2007-06-14 US US12/373,118 patent/US20100294163A1/en not_active Abandoned
- 2007-06-14 WO PCT/DE2007/001056 patent/WO2008006329A2/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5083513A (en) * | 1989-02-10 | 1992-01-28 | Kawasaki Jukogyo Kabushiki Kaisha | Railway car bogie with axle bearings centered on bogie axle |
US5730064A (en) * | 1993-02-03 | 1998-03-24 | Bishop; Arthur Ernest | Self-steering railway bogie |
US20040149162A1 (en) * | 2001-03-27 | 2004-08-05 | Wolfgang Auer | Self steering, three-axle bogie |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2486272A (en) * | 2010-12-10 | 2012-06-13 | Tram Res Ltd | Tram section with steerable wheels |
WO2012076893A1 (en) * | 2010-12-10 | 2012-06-14 | Tram Research Limited | Improvements relating to trams |
US10906566B2 (en) | 2015-09-28 | 2021-02-02 | Bombardier Transportation Gmbh | Running gear provided with a passive hydraulic wheel set steering system for a rail vehicle |
WO2018015290A1 (en) | 2016-07-19 | 2018-01-25 | Medela Holding Ag | Wheel assembly for a vehicle guided on a railway track |
CN113562075A (en) * | 2020-04-29 | 2021-10-29 | 上海汽车集团股份有限公司 | Variable camber angle non-drive axle control method |
CN113562074A (en) * | 2020-04-29 | 2021-10-29 | 上海汽车集团股份有限公司 | Variable camber angle's non-drive axle and car |
Also Published As
Publication number | Publication date |
---|---|
JP2009545474A (en) | 2009-12-24 |
WO2008006329A3 (en) | 2008-03-06 |
EP2038156A2 (en) | 2009-03-25 |
KR20090026801A (en) | 2009-03-13 |
WO2008006329A2 (en) | 2008-01-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: UNIVERSITAET PADERBORN, GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WALTHER, MICHAEL;SCHLAUTMANN, PHILLIP;WALLASCHEK, JOERG;SIGNING DATES FROM 20090127 TO 20090209;REEL/FRAME:022364/0975 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |