System and method for virtual block stick circuits

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United States of America Patent

PATENT NO 12116028
APP PUB NO 20230083828A1
SERIAL NO

18051275

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A system and method for virtual block stick circuits is presented. The present disclosure implements specialized algorithms adapted to determine the true status of a virtual block based on multiple inputs from different perspectives. In one embodiment, the system can use the far house perspective of that virtual track segment and the PTC hazard for the near virtual track segment directly adjacent to the near house uses the near house perspective of that virtual track segment. For the middle virtual track segments, the near house perspectives of the middle virtual track segments are held ‘TRUE’ if they are already ‘TRUE’ when the train first enters the block, using stick circuits for the near house perspective of the middle track circuits. The vital application can then indicate the true state of the virtual track segment as occupied (FALSE), to protect the train from trains that follow.

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Patent Owner(s)

Patent OwnerAddress
BNSF RAILWAY COMPANY2500 LOU MENK DRIVE AOB-3 FORT WORTH TX 76131

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Allen, Jeffrey Ryan Olathe, US 2 0
Ramolt, Michael Shawnee, US 2 0
Russell, Brent Olathe, US 2 0
Shue, Kent Robert Bonner Springs, US 10 23

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