Fuel vapor processing apparatus
AssigneeAisan Kogyo Kabushiki Kaisha
InventorRyuji KOSUGI
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Abstract
One aspect according to the present invention includes a fuel vapor processing apparatus having a case containing a mixture of an adsorption material and a heat storage material therein. A mixing ratio of the heat storage material to the adsorption material is set to be higher for a central area away from a circumferential wall of the case or a flow passage defined in the case than for an outer peripheral area close to the circumferential wall.
Claims15
A fuel vapor processing apparatus for processing fuel vapor produced within a fuel tank, comprising:
- a case configured as a hollow container;
- an adsorption material disposed within the case and capable of adsorbing the fuel vapor;
- and
- a heat storage material mixed with the adsorption material and capable of exchange heat with the adsorption material;
- wherein a mixing ratio of the heat storage material to the adsorption material is set such that the mixing ratio for a central side area within a flow area of the fuel vapor within the case with respect to a cross section intersecting with a direction of flow of the fuel vapor is higher than the mixing ratio for an outer peripheral side area within the flow area.
A fuel vapor processing apparatus for processing fuel vapor produced within a fuel tank, comprising:
- a case configured as a hollow container;
- an adsorption material disposed within the case and capable of adsorbing the fuel vapor;
- and
- a heat storage material mixed with the adsorption material and capable of exchange heat with the adsorption material;
- wherein a mixing ratio of the heat storage material to the adsorption material is set such that the mixing ratio for a central side area in the case with respect to a cross section intersecting with a direction of flow of the fuel vapor is higher than the mixing ratio for an outer peripheral side area of the case.
A fuel vapor processing system comprising:
- a fuel tank;
- and
- a case communicating with the fuel tank and defining an internal space containing a mixture of an adsorption material and a heat storage material therein, the adsorption material being capable of adsorbing fuel vapor produced within the fuel tank and entering the case;
- wherein the fuel vapor flows through the internal space of the case in a flow direction;
- and
- wherein a mixing ratio of the heat storage material to the adsorption material is set such that the mixing ratio on a central side of a cross sectional area of the internal space perpendicular to the flow direction is higher than the mixing ratio on an outer peripheral side of the cross sectional area.
Dependencies are inferred from the claim text.