Recovery of flammable vapors

摘要: A system for preventing escape of vapors into the atmosphere when filling gasoline or like a tank, and including means collecting from vicinity nozzle, nozzles, adsorbing onto an adsorbent substance such as activated charcoal, then utilizing in admixture with air sole fuel driving combustion engine. The engine may be started intermittently, preferably response to each actuation dispensing nozzle.