Patent ID: 7444996
Filing Date: 2008-11-04
Classification: F02M

Abstract:
1. A fuel vapor storage and recovery apparatus for a fuel system of a motor vehicle including an internal combustion engine with an exhaust pipe and a fuel tank containing a fuel vapor/air mixture above a liquid fuel, the exhaust pipe being close to the fuel tank, the apparatus comprising: a vapor storage canister including fuel vapor adsorbent material therein; thermal insulation means for thermally insulating at least a portion of the fuel tank from heat generated by the exhaust pipe; a heat exchanger, and means for supplying air from said heat exchanger to said vapor storage canister, wherein the heat exchanger is configured to heat to a purge temperature air guided there through by absorbing heat from the thermal insulation means, and wherein the canister is a piece separate from the heat exchanger and/or thermal insulation means, and the canister is located away from the exhaust pipes, wherein the heat exchanger is either located between the fuel tank and the thermal insulation means, or integrated to the thermal insulation means.