VORRICHTUNG ZUR RÜCKGEWINNUNG VON DÄMPFEN, WELCHE AUS DEM KRAFTSTOFFTANK EINES KRAFTFAHRZEUGES AUSTRETEN

摘要

PCT No. PCT/EP94/00043 Sec. 371 Date Nov. 2, 1994 Sec. 102(e) Date Nov. 2, 1994 PCT Filed Jan. 10, 1994 PCT Pub. No. WO94/16915 PCT Pub. Date Aug. 4, 1994Fuel vapors leaving the fuel tank of a motor vehicle are recovered with a filter cartridge inserted between the tank and the intake manifold of the engine. An atmospheric connection duct of the cartridge can be selectively connected to the intake partial vacuum with a pneumatic distributor. The leaktightness of the device is thereby tested.