07566358 is referenced by 9 patents and cites 35 patents.

A carbon canister to adsorb hydrocarbons from a hydrocarbon air mixture in a UST system to prevent fugitive emissions due to overpressurization. The carbon canister has an inlet port at one end coupled to the UST system. An outlet port on the opposite end of the canister is connected to a flow-limiting orifice with a known calibrated flow rate that vents in a controlled fashion to the atmosphere. When UST pressure rises slightly above ambient pressure, fuel vapors and air from the UST system enters, via the inlet port, into the canister, where hydrocarbons are adsorbed onto the surface of the activated carbon. The cleansed air vents through the controlled flow outlet port to atmosphere, thereby preventing excessive positive pressure from occurring in the UST system. The activated carbon is purged of hydrocarbons by means of reverse air flow caused by negative UST pressures that occur during periods of ORVR vehicle refueling.

Title
Fuel storage tank pressure management system and method employing a carbon canister
Application Number
11/538847
Publication Number
7566358 (B2)
Application Date
October 5, 2006
Publication Date
July 28, 2009
Inventor
Kent Reid
Canton
CT, US
Robert P Hart
East Hampton
CT, US
Agent
Nelson Mullins Riley & Scarborough
Assignee
Veeder Root Company
CT, US
IPC
B01D 53/04
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