Electronic brake control valve tester for rail cars and trains
First Claim
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1. An electronically controlled rail car brake control valve testing system for testing brakes of an isolated railroad car comprising:
- opening and closing means for opening and closing air passages connected to a railroad car brake system of an isolated car for testing the air pressure and leakage in the brake system and generating test results;
flow measuring means connected to the opening and closing means for measuring the air flow rate in the railroad car brake system and generating test results;
controller means connected to the flow measuring means and to the opening and closing means for controlling the flow measuring means and for controlling the opening and closing means according to a prescribed test routine for the brake system of the isolated car to generate the test results; and
pressure measuring means connected to the controlling means for measuring the air pressure of the air in the railroad car brake system and generation test results.
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Abstract
An automatic, computer controlled air brake testing system having an opening and closing means for opening and closing air passages of a railroad car brake system, a pressure measuring means for determining pressure in the car brake system, a flow measuring means for measuring the air flow rate in the brake system, and controller means for controlling the flow measuring means and the opening and closing means.
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Citations
10 Claims
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1. An electronically controlled rail car brake control valve testing system for testing brakes of an isolated railroad car comprising:
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opening and closing means for opening and closing air passages connected to a railroad car brake system of an isolated car for testing the air pressure and leakage in the brake system and generating test results; flow measuring means connected to the opening and closing means for measuring the air flow rate in the railroad car brake system and generating test results; controller means connected to the flow measuring means and to the opening and closing means for controlling the flow measuring means and for controlling the opening and closing means according to a prescribed test routine for the brake system of the isolated car to generate the test results; and pressure measuring means connected to the controlling means for measuring the air pressure of the air in the railroad car brake system and generation test results. - View Dependent Claims (2, 3, 4)
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5. An electronically controlled rail vehicle air brake testing system for testing brakes of an isolated railroad car comprising:
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opening and closing means for opening and closing air passages connected to a railroad car brake system of the isolated car for testing the air pressure and leakage in the brake system; flow measuring means connected to the opening and closing means for measuring the air flow rate in the railroad car brake system; a programmable microcomputer connected to the flow measuring means and opening and closing means for controlling the flow measuring means and for controlling the opening and closing means according to a prescribed test routine for the brake system of the isolated car to generate the test results; and pressure measuring means connected to the controller means for measuring the air pressure of the air in the railroad car brake system. - View Dependent Claims (6, 7, 8, 9)
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10. An electronically controlled rail vehicle air brake testing system for testing brakes of an isolated railroad car comprising:
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bistable solenoid valves for opening and closing air passages connected to a railroad car brake system of the isolated railroad car for testing the air pressure and leakage in the railroad car brake system; flow measuring means connected to the solenoid valves for measuring the air flow rate in the railroad car brake system; a programmable microcomputer connected to the flow measuring means and solenoid valves for controlling the flow measuring means and for controlling the opening and closing of the solenoid valves according to a prescribed test routine for the brake system of the isolated car to generate the test results; pressure measuring means connected to the microcomputer for measuring the air pressure of the air in the railroad car brake system; and a portable power supply means connected to the solenoid valves, flow measuring means, programmable microcomputer and pressure measuring means for providing operating power.
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Specification