Air intake apparatus for air filter of canister
AssigneeHyundai Motor Company
InventorYeoun Sung
Life of this patent
Estimating the term…
Abstract
An air intake apparatus used for a canister of a fuel system includes a device and system to prevent the accumulation of dust and/or foreign substances from building up in the air filter. An air intake hole, for supplying air to an air filter used for a canister, is positioned in a fuel inlet space.
Claims5
An air intake apparatus has an air passage in communication with an air filter for a canister used for a fuel storage device and a filler neck installed to a vehicle body such that one end thereof protrudes into a fuel inlet space formed between the vehicle body and a fuel cap door, wherein the filler neck comprises;
- an inner pipe defining a fuel supply passage;
- and
- an outer pipe surrounding at least a portion of the inner pipe such that an air intake space is formed between an outer surface of the inner pipe and the outer pipe;
- wherein the inner pipe and the outer pipe are formed such that a fuel inlet space and the air intake space are in communication with each other, and
- an air filter and the air intake space are in communication with each other by an air supply pipe such that air in the fuel inlet space can flow to the air filter via the air intake space.
An air intake apparatus for a vehicle fuel system, comprising:
- an inner pipe defining a fuel supply passage;
- an outer pipe surrounding at least a portion of the inner pipe such that an air intake space is formed between an outer surface of the inner pipe and an inner surface of the outer pipe, wherein the inner pipe and the outer pipe are configured such that a fuel inlet space and the air intake space are fluid communication, and
- an air filter in fluid communication with the air intake space by an air supply pipe.
Dependencies are inferred from the claim text.