Vapor flow and hydrocarbon concentration sensor for improved vapor recovery in fuel dispensers
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United States of America Patent
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Oct 8, 2002
Issued Date -
N/A
app pub date -
Jan 23, 2001
filing date -
Nov 17, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fuel dispenser includes vapor and hydrocarbon concentration sensors positioned in the vapor recovery line to calculate the vapor-to-liquid (V/L) ratio of the fuel dispenser. If the V/L ratio is not as desired, an adjustment is made to attempt a correction of the V/L ratio. If such correction attempt is unsuccessful, and error is reported.
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