Multi-compartment spout for fuel dispensing nozzle
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United States of America Patent
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Sep 19, 1995
Issued Date -
N/A
app pub date -
Mar 22, 1994
filing date -
Oct 19, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multi-compartment spout for a fuel dispensing nozzle includes a cylindrical, longitudinally extending outer wall, and at least one interior, longitudinally extending dividing wall. The dividing wall defines a fuel passageway within the spout which communicates with a fuel passageway in the body of the nozzle for dispensing fuel into the fuel tank of a vehicle, and a vapor recovery passageway within the spout which communicates with a vapor recovery passageway in the body of the nozzle for returning fuel vapor to an underground tank and thereby preventing the vapor from escaping into the atmosphere. In a preferred embodiment, the spout includes another interior longitudinally extending dividing wall which defines a shut-off passageway within the spout which communicates with a venturi-vacuum chamber in the nozzle for automatically shutting off the flow of fuel through the nozzle when the vehicle fuel tank is full. The shut-off passageway within the spout has a common interior, longitudinally extending dividing wall with the fuel passageway or the vapor recovery passageway. The spout is extruded of a lightweight metal and the body of the nozzle is molded of a composite resin.
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