(under subclass 434) Subject matter in which means is provided to collect fuel vapor from a fuel tank, float bowl, etc., store it in a tank, canister, or equivalent storage means, and then feed the stored vapor to the associated engine during its operation.
SEE OR SEARCH THIS CLASS, SUBCLASS:
525, for a vapor converting system that feeds vapor to the engine without storage.
SEE OR SEARCH CLASS
220, Receptacles,
749+, for vapor recovery and vapor storage systems, respectively.