INTAKE PIPE-INSIDE GRADE MAGNETIC FIELD GENERATING DEVICE FOR ENGINE AND AIR SUPPLY SYSTEM FOR ENGINE USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide an intake pipe-inside grade magnetic field generating device for an engine capable of efficiently generating the grade magnetic field in a wide range without generating a leak of the magnetic field in the periphery. SOLUTION: This intake pipe-inside grade magnetic field generating device for engine is formed by arranging plural permanent magnets 4 in the inner surface 3 of an iron member 1 having a through hole inside thereof, bringing one magnetic pole of each permanent magnet 4 in contact with the iron member 1, directing the other magnetic pole to the center axis 2 of the hole of the iron member 1. Magnetic field is efficiently generated in the internal space of the intake pipe for engine by arranging the magnetic poles so that the magnetic pole brought in contact with the iron member becomes N-pole and S-pole each other, and a leak of the magnetic field outside of the iron member is prevented.