Appliance for protecting an air flow measurement sensor located in the induction pipe of an I.C. engine from oil contamination

摘要

The sensor (6) is located in the fuel system induction pipe (1). Between the opening (5) of the crankcase relief vent (4) and the sensor a wall (7) is fitted which leaves a passage between the opening and the induction pipe whilst the sensor is in the mainstream of the air flow