Measuring and testing – Brake testing – Vehicle installation
Patent
1983-05-18
1984-12-11
Myracle, Jerry W.
Measuring and testing
Brake testing
Vehicle installation
246169R, G01L 528
Patent
active
044870604
ABSTRACT:
The railway brake pressure monitor includes a sensor/transmitter unit (STU) and a remote display unit (RDU). The sensor/transmitter unit is mounted on the last vehicle of a railway train and coupled with the brake pipe thereof and includes a pressure transducer (80), an electronic circuit board module (82), a radio transmitter (84) and a battery pack (86). The pressure transducer, the electronic circuit board module, and the radio transmitter are powered by the battery pack, and the electronic circuit board module (which includes a programmed microcomputer (96)) functions to repetitively monitor the pressure transducer to measure the brake pipe air pressure, and to cause the radio transmitter to transmit reports including the brake pipe air pressure, the states of a plurality of external status inputs, and a battery status indication. Report transmission is triggered by various events. The remote display unit includes a radio receiver (250), a microcomputer (268), a display (258), an audible beeper (256), and a manually-actuable pushbutton (ACK). The remote display unit functions to receive the report, to display the brake pipe air pressure value therein, and to selectively display the external status input states and the battery status indication therein. Provision is also made to provide various alarms, through the audible beeper and the display, upon the occurrence of certain events, each of which alarms may be reset by the manually-actuable switch.
REFERENCES:
patent: 2403938 (1946-07-01), Macan
patent: 3281554 (1966-10-01), Bowman
patent: 3304420 (1967-02-01), Bowman
patent: 3838272 (1974-09-01), Bull
patent: 3901562 (1975-08-01), Powell et al.
patent: 3937074 (1976-02-01), Burkett
patent: 3948083 (1976-04-01), Wickham
patent: 4317988 (1982-03-01), Wilson
patent: 4319787 (1982-03-01), Wickham
patent: 4361825 (1982-11-01), Shockley
Glenayre Electronis, Ltd.
Myracle Jerry W.
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