LINE BREAK INDICATOR (WIRE IN AMMONIA LINES)
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United States of America Patent
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Issued Date -
Mar 26, 2015
app pub date -
Apr 26, 2012
filing date -
Apr 26, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Reductant delivery system having at least one canister containing reductant coupled, via delivery line, to after-treatment system having ammonia injector, is disclosed. Reductant includes ammonia adsorbing/desorbing material. Delivery line is connected at one end to ammonia injector and at another end detachably coupled by coupler to the canister. Controller may be used for metering flow of ammonia through delivery line to injector. Line-break detector detects disconnection within the delivery line to prevent loss of ammonia. Line-break indicator coupled to line-break detector is used, wherein the indicator activates upon the detector detecting a disconnection in the delivery line. Related methods for detecting and indicating a line break are disclosed.
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