| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotor of a magnet-type generator which can prevent the adhesive from flowing out to an attachment seat plane and can be used satisfactorily without producing defects. SOLUTION: This rotor 1 of a magnet generator has a cup-shaped main part with a boss part 4 at the center, a yoke 3 farmed as the outer wall of the main part, and permanent magnets 2 bonded to the inside of the yoke 3. An annular magnet holding part 8 for supporting the permanent magnets 2 is made to protrude from the inner circumference of the yoke 3. An adhesive sink trench 9 is formed inside the magnet-holding part 8. Annular protrusions 10 and 12 for blocking flow and an annular groove 11 for blocking flow are formed in parallel with each other, in the inside of the bottom of the cup-shaped main part.
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