Empty-load device feedback arrangement

• US 9,020,667 B2
• Filed: 06/11/2012
• Issued: 04/28/2015
• Est. Priority Date: 06/11/2012
• Status: Active Grant

• Current Assignee: Wabtec Corporation (Westinghouse Air Brake Technologies Corporation)
• Original Assignee: Wabtec Corporation (Westinghouse Air Brake Technologies Corporation)
• Inventors: Haas, Carl L., Gaughan, Edward W.
• Primary Examiner(s): Kiswanto, Nicholas
• Application Number:
  US13/493,238
• Publication Number:
  US 20130332012A1
• Time in Patent Office: 1,051 Days
• Field of Search: 303/127, 303/128, 303/132, 701/19, 701/20
• US Class Current: 701/20
• CPC Class Codes: B60T 8/1705 for rail vehicles
• CPC Class Codes: B60T 8/1893 especially adapted for railway vehicles
• CPC Class Codes: B61H 13/30 adjustable to take account of variation of vehicle weight automatic adjustment B60T8/18
• CPC Class Codes: G06F 11/30 Monitoring

Abstract

An empty-load device feedback arrangement for a train with the railcar having an air brake arrangement with an one air-operable braking assembly, the arrangement including: an empty-load device having: at least one sensor arrangement to sense a load associated with the railcar; a braking assembly input exhibiting a delivered air pressure; a regulation arrangement to regulate air pressure; and a braking assembly output exhibiting a regulated air pressure; and a pressure sensor to: sense the regulated air pressure of the air being delivered to the air-operable braking assembly; and generate a regulated air pressure signal. An air brake arrangement is also disclosed.

Claims

1. An empty-load device feedback arrangement for a train with at least one railcar having an air brake arrangement with at least one air-operable braking assembly, the arrangement comprising:

(a) at least one empty-load device comprising;

(i) at least one sensor arrangement configured to sense a load associated with the at least one railcar;

(ii) at least one braking assembly input exhibiting a delivered air pressure;

(iii) a regulation arrangement configured to regulate air pressure; and

(iv) at least one braking assembly output exhibiting a regulated air pressure; and

(b) at least one pressure sensor in communication with the regulated air pressure from the at least one braking assembly output, the at least one pressure sensor configured to;

(i) sense the regulated air pressure of the air being delivered to the at least one air-operable braking assembly; and

(ii) generate a regulated air pressure signal.

2. The empty-load device feedback arrangement of claim 1, further comprising at least one local controller configured to:

receive the regulated air pressure signal from the at least one pressure sensor; and

generate downstream air pressure data based at least partially on at least one of the following;

the regulated air pressure signal, a delivered air pressure signal, an upstream air pressure signal, existing air pressure data, or any combination thereof.

3. The empty-load device feedback arrangement of claim 2, wherein the at least one local controller is further configured to generate empty-load device data based at least partially on at least one of the following:

downstream air pressure data, the regulated air pressure signal, the delivered air pressure signal, the upstream air pressure signal, existing air pressure data, or any combination thereof.

4. The empty-load device feedback arrangement of claim 3, wherein the empty-load device data comprises at least one of the following:

empty-load device operation data, empty-load device verification data, empty-load device maintenance data, empty-load device state data, air brake arrangement data, air pressure data, or any combination thereof.

5. The empty-load device feedback arrangement of claim 3, further comprising at least one communication device configured to directly or indirectly transmit or communicate at least a portion of the empty-load device data to at least one of the following:

a remote controller, a central controller, a vehicle controller, an on-board controller of a locomotive, a central dispatch system, or any combination thereof.

6. The empty-load device feedback arrangement of claim 5, wherein the at least one communication device transmits at least a portion of the empty-load device data over at least one of the following:

a wire, a cable, a communication line, an existing communication line, or any combination thereof.

7. The empty-load device feedback arrangement of claim 5, wherein the at least one communication device transmits at least a portion of the empty-load device data wirelessly.

8. The empty-load device feedback arrangement of claim 2, wherein the at least one local controller is attached to, in communication with, integrated with and/or associated with the at least one pressure sensor.

9. The empty-load device feedback arrangement of claim 2, wherein the air brake arrangement comprises an existing controller, and wherein the at least one local controller is at least one of the following:

in communication with existing controller, incorporated with the existing controller, programmed as part of the existing controller, integrated with the existing controller, or any combination thereof.

10. The empty-load device feedback arrangement of claim 1, wherein the at least one pressure sensor comprises at least one pressure transducer, and the regulated air pressure signal is transmitted to at least one controller.

11. The empty-load device feedback arrangement of claim 1, wherein the at least one pressure sensor is part of at least one sensor module, and the regulated air pressure signal is transmitted to at least one controller.

12. The empty-load device feedback arrangement of claim 11, wherein the at least one sensor module is at least one of attached to, in communication with, integrated with and/or associated with the empty-load device.

13. The empty-load device feedback arrangement of claim 1, further comprising at least one controller configured to generate empty-load device data based at least partially on at least one of the following:

downstream air pressure data, the regulated air pressure signal, the delivered air pressure signal, the upstream air pressure signal, existing air pressure data, or any combination thereof.

14. The empty-load device feedback arrangement of claim 13, wherein at least a portion of the empty-load device data is generated on at least one of the following bases:

dynamically, periodically, continually, predetermined, prior to departure, during operation, during an emergency event, or any combination thereof.

15. The empty-load device feedback arrangement of claim 13, wherein the empty-load device data comprises at least one of the following:

empty-load device operation data, empty-load device verification data, empty-load device maintenance data, empty-load device state data, air brake arrangement data, air pressure data, or any combination thereof, and wherein the at least one controller is configured to confirm the at least one empty-load device is operating properly based on the empty-load device data.

16. The empty-load device feedback arrangement of claim 13, wherein the at least one controller is further configured to determine at least one air brake arrangement condition based at least partially on the empty-load device data.

17. In an air brake arrangement comprising:

at least one air-operable braking assembly for braking at least one wheel of a railcar;

at least one empty-load device comprising;

(i) at least one sensor arrangement configured to sense a load associated with at least one railcar;

(ii) at least one braking assembly input exhibiting a delivered air pressure;

(iii) a regulation arrangement configured to regulate air pressure; and

(iv) at least one braking assembly output exhibiting a regulated air pressure;

and at least one local controller configured to control at least one component of the air brake arrangement, an empty-load device feedback arrangement comprising;

at least one pressure sensor in communication with the regulated air pressure from the at least one braking assembly output, the at least one pressure sensor configured to;

(i) sense the regulated air pressure of the air being delivered to the at least one air-operable braking assembly; and

(ii) generate a regulated air pressure signal;

wherein the at least one local controller is further configured to;

(i) receive the regulated air pressure signal from the at least one pressure sensor; and

(ii) generate downstream air pressure data based at least partially on at least one of the following;

the regulated air pressure signal, a delivered air pressure signal, an upstream air pressure signal, existing air pressure data, or any combination thereof.

18. The empty-load device feedback arrangement of claim 17, wherein the at least one local controller is further configured to generate empty-load device data based at least partially on at least one of the following:

downstream air pressure data, the regulated air pressure signal, the delivered air pressure signal, the upstream air pressure signal, existing air pressure data, or any combination thereof.

19. The empty-load device feedback arrangement of claim 18, wherein the empty-load device data comprises at least one of the following:

empty-load device operation data, empty-load device verification data, empty-load device maintenance data, empty-load device state data, air brake arrangement data, air pressure data, or any combination thereof.

20. An air brake arrangement comprising:

at least one air-operable braking assembly for braking at least one wheel of a railcar;

at least one empty-load device comprising;

(i) at least one sensor arrangement configured to sense a load associated with at least one railcar;

(ii) at least one braking assembly input exhibiting a delivered air pressure;

(iii) a regulation arrangement configured to regulate air pressure; and

(iv) at least one braking assembly output exhibiting a regulated air pressure;

at least one pressure sensor in communication with the regulated air pressure from the at least one braking assembly output, the at least one pressure sensor configured to;

(i) sense the regulated air pressure of the air being delivered to the at least one air-operable braking assembly; and

(ii) generate a regulated air pressure signal;

at least one local controller configured to;

(i) control at least one component of the air brake arrangement;

(ii) receive the regulated air pressure signal from the at least one pressure sensor; and

(iii) generate downstream air pressure data based at least partially on at least one of the following;

the regulated air pressure signal, a delivered air pressure signal, an upstream air pressure signal, existing air pressure data, or any combination thereof.