Fuel vaporization system for starting an internal combustion eng

Details Fuel vaporization system for starting an internal combustion eng Fuel vaporization system for starting an internal combustion eng

1997-10-03

1999-08-10

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

12317917, F02M 3704

Patent

active

059342609

ABSTRACT:
Disclosed is cold-start fuel vapor emission control system for an internal combustion engine having an intake manifold and a fuel tank, comprising the following components: (1) a housing for containing an honeycomb adsorber for adsorbing fuel vapor; (2) a vapor passage for fluidly connecting the housing and the fuel tank; (3) a charging system for measuring the quantity of adsorbed fuel vapor and for, if necessary, increasing the amount of adsorbed fuel vapor to a level sufficient to "vapor-only" start the engine; (4) a purging passage connecting the housing to an intake manifold for introducing a mixture comprised of the fuel vapor and air to the intake manifold. In a preferred embodiment, the honeycomb adsorber comprises a monolithic, binderless honeycomb structure having a continuous activated carbon phase.

REFERENCES:
patent: 5474047 (1995-12-01), Cochard
patent: 5474049 (1995-12-01), Nagaishi
patent: 5638795 (1997-06-01), Hara

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