Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1986-03-31
1987-11-17
Hart, Charles
Gas separation
Means within gas stream for conducting concentrate to collector
55182, 55 88, 55387, 141 45, 141286, 220 85VR, 220 86R, B01D 1900
Patent
active
047071648
ABSTRACT:
A vapor recovery system is provided for recovering fuel vapors discharged from a fuel tank having a vent tube and a separate filler neck during refueling. The vapor recovery system includes a partition dividing the filler neck into an outer chamber communicable with the atmosphere and an inner chamber in fluid communication with the fuel tank. The partition includes an aperture for sealingly admitting a fuel dispensing nozzle into the inner chamber without coupling the inner and outer chambers in fluid communication during refueling. A fuel cap may sealingly engage the filler neck to close the mouth of the filler neck. A refueling sensing system is provided for actuating a flow valve during an initial stage of each refueling activity to permit flow of fuel vapor to the canister. Upon removal of the fuel cap, fuel vapor discharged from the fuel tank is conducted automatically to the canister for processing therein instead of being discharged directly into the atmosphere. Illustratively, the refueling sensing system is included in the fuel cap.
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Hart Charles
Stant Inc.
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