Patent ID: 7214258
Filing Date: 2007-05-08
Classification: F02M

Abstract:
1. An evaporated fuel processing device for an internal combustion engine of an automotive vehicle, comprising: a canister defining a first adsorbent chamber and a second adsorbent chamber and comprising a wall separating the first adsorbent chamber and the second adsorbent chamber; said first adsorbent chamber containing an adsorbent material and comprising an upper portion having a tank port for connection to a fuel tank and a lower portion, said second adsorbent chamber containing an adsorbent material and comprising an upper portion and a lower portion communicating with an atmospheric port; said wall comprising at least two elongate flow passages, each said elongate flow passage communicating at one end with the lower portion of the first adsorbent chamber and communicating at another end with the upper portion of the second adsorbent chambers, whereby said elongate flow passages are spaced apart in said wall and provide parallel flow paths between the first adsorbent chamber and the second adsorbent chamber.