Patent ID: 6122908
Filing Date: 2000-09-26
Classification: F01N,F02M,Y02T

Abstract:
Apparatus for the purification of exhaust gases from an internal combustion engine including an exhaust pipe for transporting said exhaust gases from said internal combustion engine and a canister containing an adsorbent for at least one component of said exhaust gases, said apparatus comprising a first conduit for connecting said exhaust pipe with said canister, a first controllable valve associated with said first conduit for selectively directing said exhaust gases from said exhaust pipe to said canister when said valve is open and a controller for said first controllable valve, wherein said controller selectively controls said first controllable valve between a first condition wherein at least a portion of said exhaust gases are directed to said canister and a second condition wherein said exhaust gases are directed to the atmosphere through said exhaust pipe.