Actuator Providing Multiple Actuation

• US 20130032054A1
• Filed: 09/14/2010
• Published: 02/07/2013
• Est. Priority Date: 09/15/2009
• Status: Abandoned Application

• Current Assignee: Bombardier Transportation GmbH (Bombardier Incorporated), Liebherr-Aerospace Lindenberg GmbH (Liebherr-International AG)
• Original Assignee: Bombardier Transportation GmbH (Bombardier Incorporated), Liebherr-Aerospace Lindenberg GmbH (Liebherr-International AG)
• Inventors: Schneider, Richard, Gaile, Anton, Mesnjak, Eduard, Kloos, Thomas
• Application Number:
  US13/395,981
• Publication Number:
  US 20130032054A1
• Time in Patent Office: Days
• US Class Current: 105/199.1
• CPC Class Codes: B61F 5/22 Guiding of the vehicle underframes with respect to the bogies
• CPC Class Codes: B61F 5/245 by active damping, i.e. with means to vary the damping characteristics in accordance with track or vehicle induced reactions, especially in high speed mode
• CPC Class Codes: B61F 5/386 fluid actuated

Abstract

Disclosed is an actuator, in particular for a rail vehicle, comprising a fluidic first actuator unit and a control device having a first control unit, wherein the first actuator unit is connected to the first control unit and can be supplied with power from a fluidic power source under the control of the first control unit. Furthermore, a fluidic second actuator unit is provided, and the control device comprises a second control unit, wherein the second actuator unit is connected to the second control unit and can be supplied with power from the fluidic power source under the control of the second control unit. The invention further relates to a vehicle, in particular a rail vehicle, having an actuator according to the invention.

Claims

1. An actuator, in particular for a rail vehicle, comprising:

a fluidic first actuator unit and

a control device having a first control unit, wherein

first actuator unit is connected to the first control unit and can be supplied with power from a fluidic power source under the control of the first control unit,

wherein

a fluidic second actuator unit is provided and

the control device comprises a second control unit, wherein

the second actuator unit is connected to the second control unit and can be supplied with power from the fluidic power source under the control of the second control unit.

2. The actuator according to claim 1, wherein

it is designed as a structural unit, in particular with a shared housing, wherein, in particular,

the first control unit and the second control unit take the form of a structural subunit, in particular with a shared housing,

and/or

the first actuator unit and the second actuator unit take the form of a structural subunit, in particular with a shared housing, wherein the first actuator unit and the second actuator unit are arranged directly adjacent to one another,

and/or

the power source takes the form of a structural subunit, in particular with a motor, a pump driven by the motor for a working fluid, and a buffer store supplied by the pump with the working fluid in a shared housing.

3. The actuator according to claim 1, wherein

the first control unit comprises at least one first valve unit, which controlled by a control module of the control device connects the power source in a fluidic manner with the first actuator unit, wherein

the first control unit comprises, in particular, two first valve units, which can be controlled separately, in particular by the control module, and/or operated in parallel, and/or

the second control unit comprises at least one second valve unit, which controlled by a control module of the control device connects the power source in a fluidic manner with the second actuator unit, wherein

the second control unit comprises, in particular, two second valve units, which can be controlled separately, in particular by the control module, and/or operated in parallel.

4. The actuator according to claim 3, wherein

the control device is designed to control the first control unit for operation of the first actuator unit in a first frequency range, and

the control device is designed to control the second control unit for operation of the second actuator unit in a second frequency range, wherein

the second frequency range, in particular, is at least partially, in particular completely, above the first frequency range and/or

the first frequency range extends, in particular, from 0 Hz to 2 Hz, preferably from 0.5 Hz to 1.0 Hz, and/or

the second frequency range extends, in particular, from 0.5 Hz to 15 Hz, preferably from 1.0 Hz to 6.0 Hz.

5. The actuator according to claim 4, wherein

the first control unit comprises two first valve units, wherein at least one of the first valve units is designed for control in the second frequency range, and/or

at least one of the first valve units is designed for control in the second frequency range, and/or

the second control unit comprises two second valve units, wherein at least one of the second valve units is designed for control in the first frequency range.

6. The actuator according to claim 1, wherein

at least one of the actuator units is an actuator unit with a rotary operation and/or at least one of the actuator units is an actuator unit with translational movement, wherein

the first actuator unit and the second actuator unit, in particular, have a different direction of action.

7. The actuator according to claim 1, wherein

at least a further, third actuator unit is provided, wherein

the third actuator unit is connected with a third control unit of the control device and can be supplied, under the control of the third control unit, with power from the power source,

in particular, at least two third actuator units are provided.

8. The actuator according to claim 1, wherein

it is substantially free from internal fluidic pipe and/or hose connections, wherein, in particular,

the first control unit is designed as a valve block, which, in order to create the fluidic connection, is flange-mounted to the first actuator unit and/or the power source, and/or

the second control unit is designed as a valve block, which, in order to create the fluidic connection, is flange-mounted to the second actuator unit and/or the power source.

9. The actuator according to claim 1, wherein, as the working fluid, a liquid medium, in particular hydraulic oil, is used.

10. A vehicle, in particular a rail vehicle, comprising:

a running gear,

a wagon body supported by the running gear,

a first actuator, which is designed as an actuator according to claim 1, and,

in particular, a second actuator, which is designed as an actuator according to claim 1, wherein

the first actuator and/or the second actuator, in particular, acts in the area of the running gear and/or between the running gear and the wagon body.

11. The vehicle according to claim 10, wherein

the wagon body can be tilted about a longitudinal axis of the vehicle and

at least one actuator unit of the first actuator is designed to adjust a tilting angle of the wagon body about the longitudinal axis, in particular, in a first frequency range, wherein,

in particular, at least one further actuator unit of the first actuator and/or of the second actuator is designed to set the tilting angle of the wagon body in a second frequency range,

wherein the second frequency range, in particular, lies at least partially, in particular completely, above the first frequency range.

12. The vehicle according to claim 10, wherein

the running gear has at least one wheel unit designed to be steerable about a vertical axis of the vehicle and

at least one actuator unit of the first actuator is designed to set a steering angle of the wheel unit, in particular in a third frequency range, about the vertical axis, wherein,

in particular, at least one further actuator unit of the first actuator and/or of the second actuator is designed to set the steering angle of the wheel unit in a fourth frequency range,

wherein the fourth frequency range lies, in particular, at least partially, in particular completely, above the third frequency range.

13. The vehicle according to claim 10, wherein

the first actuator and the second actuator are connected with one another in a fluidic manner, so that, in the event of failure of the power source of one actuator, the power source of the other actuator can take over the power supply to both actuators,

and/or

at least one actuator unit of the first actuator and at least one actuator unit of the second actuator act on the same component of the vehicle, in particular, with adjusting movements in different frequency ranges, and a superordinate controller is designed to control, in the event of failure of one of the two actuator units, the remaining actuator unit so that it at least partially takes over the function of the failed actuator unit,

the first actuator unit and the second actuator unit of the first actuator act on the same component of the vehicle, in particular with adjusting movements in differing frequency ranges, and a superordinate controller is designed to control, in the event of failure of one of the two actuator units (106.3, 106.4), the remaining actuator unit so that it at least in part takes over the function of the failed actuator unit.

14. The vehicle according to claim 10, wherein control of the first actuator and of the second actuator takes place via a superordinate controller, which integrates parts of the control devices of the first and second actuator.

15. The vehicle according to claim 10, wherein

at least one further actuator unit is provided, which via a control unit of the first actuator can be supplied with working fluid from the power source of the first actuator, wherein

the further actuator unit, in particular, is designed for generating adjusting movements for height levelling of the vehicle and/or for a brake of the vehicle and/or for an active damper of the vehicle and/or for an additional device for influencing the deflection of the wagon body in the transverse direction of the vehicle.