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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May 14, 2002
Issued Date -
N/A
app pub date -
Feb 14, 2001
filing date -
Nov 17, 1999
priority date (Note) -
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Abstract
A fuel dispenser includes vapor and hydrocarbon concentration sensors positioned in the vapor recovery line to provide accurate feedback relating to the speed and concentration of hydrocarbon laden vapor recovered by a vapor recovery system. The sensors provide diagnostic information about the vapor recovery process as well as insuring that the vapor recovery process is carried out in an efficient manner. Additionally, the sensors may be positioned in an underground storage tank vent apparatus to monitor fugitive emissions from the underground storage tank.
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