Patent ID: 9115674
Filing Date: 2015-08-25
Classification: B01D,F02M

Abstract:
1. A fuel vapor processing device comprising: a housing including a tank port communicating with a fuel tank, a purge port communicating with an intake air pipe of an internal combustion engine, and an atmospheric port communicating with an atmosphere; the housing filled with an adsorption material capable of adsorbing fuel vapor and allowing desorption of fuel vapor; and a plurality of heaters capable of heating the adsorption material; wherein the heaters are configured to be able to receive a supply of electric power separately from each other and arranged within the housing along a flow path of a fluid from the atmospheric port to the purge port; wherein during a purge operation, electric power is sequentially terminated from the heaters from the atmospheric port side to the purge port side; and wherein the electric power is supplied to the heaters in a sequential manner from the atmospheric port side to the purge port side.