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05-23-2007

Canister for evaporated fuel processing system with a monolithically formed block of activated carbon and a method of manufacturing thereof

The invention relates to a canister for evaporated fuel processing system, having a number of adsorbing chambers, wherein the last chamber 10 is connected with an atmospheric port 7 and comprises a monolithically formed block 12 of activated carbon. The block 12 is surrounded, at least from its atmospheric port 7 side by plastic, advantageously polyurethane, covering 13. Preferably, the block 12 is distanced from the atmospheric port 7 side of the last adsorbing chamber 10, defining an improved purge zone 15. The invention also relates to a method of manufacturing such a canister, where, after positioning the block of activated carbon inside the last adsorbing chamber, a covering surrounding the block is formed by injecting plastic, preferably polyurethane foam, into a space between the outer casing of the block and the inner casing of the chamber.

Document: EP1788230
Click here for the full patent text at DEPATISnet [PDF]
Publication date: 05-23-2007
Applicant: DELPHI TECH INC (US)
Inventor: ZUCHARA PAWEL (PL)


© European Patent Office. This information was obtained from the espacenet of the European Patent Office. There is no guarantee of its correctness or curency. For additional information, please use the research at espacenet. It is possible to determine the current legal and procedural status of patents and utility patents/models at http://worldwide.espacenet.com/ kfree of charge.

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