Tank venting arrangement for motor vehicles

Details Tank venting arrangement for motor vehicles Tank venting arrangement for motor vehicles

B - Operations, Transporting

60

K

B60K 15/035 (2006.01) F02M 25/08 (2006.01)

Patent

CA 2272526

Tank venting arrangement in accordance with the invention for motor vehicles with a fuel tank, which arrangement includes an adsorption filter connected by a vent conduit to the fuel tank for the storage of fuel vapours and having a closeable air intake, and a regeneration conduit to the engine in which an air pump is positioned, and a regeneration valve for control of a flow of regeneration fluid in the regeneration conduit before the air pump, which regeneration valve is controlled by the engine management system. The arrangement provides for selected control of the regeneration air flow at all operating conditions of the engine. A throttle can be included in to the circuit to allow for leakage detection and tank fill level determination.

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