Canister

Details Canister Canister

1996-01-05

1997-08-05

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123198D, F02M 3704

Patent

active

056532113

ABSTRACT:
A canister 12 is provided with a first and second charcoal chambers 22, 23 which are separated from each other by a partition wall 21. An adsorbing material layer 26 is formed in each of the charcoal chambers 22, 23 and the adsorbing material layer 26 is filled with activated carbon particles 25. Fuel vapor introducing ports 29, 32 are formed above the first charcoal chamber 22 so as to introduce fuel vapor, which is generated in a fuel tank 11. An air vent port 33 is formed above the second charcoal chamber 23 so as to discharge fuel vapor (air) from which the fuel component thereof has been collected by the adsorbing material layer 26. Also, a diffusion chamber 28 is formed to connect the first and second charcoal chambers 22, 23. Slanted portions 42, 43 are formed at opposite ends of the diffusion chamber 28 to reduce the flow resistance of the fuel vapor.

REFERENCES:
patent: 4338106 (1982-07-01), Mizuno
patent: 4714172 (1987-12-01), Morris
patent: 4714485 (1987-12-01), Covert
patent: 5275144 (1994-01-01), Gross
patent: 5408976 (1995-04-01), Reddy

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