B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 13/70 (2006.01) B60T 13/66 (2006.01)
Patent
CA 2454932
A relay valve based accelerated brake pipe application and release system having an electronic control module. A source of fluid pressure is connected to a valve device for receiving and transmitting fluid pressure signals. The valve device is connected to an exhaust to atmosphere. An accelerator volume has a fluid connection to the valve device for storing a predetermined volume of fluid. A brake pipe transducer is electronically connected to the control module and has a fluid connection to the valve device for transmitting a first pressure signal to the control module. A cut-out solenoid valve is electronically connected to the control module and includes a fluid connection to the brake pipe transducer for receiving at least one of a cut-in and a cut-out signal. An emergency solenoid valve is electronically connected to the control module and has a fluid connection to the cut-out solenoid valve for receiving an emergency signal. A cut-out device is included for opening and closing a fluid connection and it has a fluid connection to the emergency solenoid valve. An application solenoid valve is electronically connected to the control module and has a fluid connection to the cut-out solenoid valve for receiving an apply signal and for transmitting a pilot pressure to the cut-out solenoid valve. A release solenoid Valve is electronically connected to the control module and has a fluid connection to the cut-out device for receiving a release signal and transmitting a pilot pressure to the application solenoid. A control transducer is electronically connected to the control module and has a fluid connection to the release solenoid for transmitting a second pressure signal to the control module.
Condrasky John P.
Wood James A.
Macrae & Co.
Westinghouse Air Brake Technologies Corporation
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