Fuel vapor recovery system

Details Fuel vapor recovery system Fuel vapor recovery system

F - Mech Eng,Light,Heat,Weapons

02

M

123/20

F02M 25/08 (2006.01) B01D 53/04 (2006.01) F02M 33/02 (2006.01)

Patent

CA 1291381

FUEL VAPOR RECOVERY SYSTEM ABSTRACT A fuel vapor recovery canister having a housing including an outer wall with spaced-apart vapor ports. Adsorbent material in the housing absorbs and stores fuel vapors entering one vapor port, or under other circumstances releases such vapors for exit through one of the ports. In one embodiment the housing has in- terleaved baffle plates between the ports, which force vapors entering one port to flow along a serpentine path, giving maximum exposure of the vapor to the adsorbent material. In a second embodiment, a helical partition is provided, similarly forcing vapor flow to occur along a serpentine path. The advantage of the present invention over the devices of the prior art is that improved efficiency is achieved, by maximizing exposure of a larger number of granules of adsorbent material.

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