Method of assembling a magnet ring on a rotor

Details Method of assembling a magnet ring on a rotor Method of assembling a magnet ring on a rotor

1997-04-14

1999-05-04

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Electrical device making

H02K 1502

Patent

active

058989900

ABSTRACT:
A method for assembling a permanent magnet ring on a rotor body for an electric motor or generator where the body has a higher coefficient of expansion than the permanent magnet ring includes the steps of sizing the internal diameter of the ring for the greatest thermal expansion of the rotor and introducing longitudinal grooves in the rotor surface uniformly spaced about its circumference to accommodate the expansion of the adhesive used to bond the ring to the rotor.

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patent: 5402024 (1995-03-01), Watanabe et al.
patent: 5402025 (1995-03-01), Saito et al.
Patent Abstracts of Japan, vol. 015, No. 379 (E-1115), Sep. 25, 1991: JP 03 150030 A (Shibaura Engine Works Co., Ltd.), Jun. 26, 1991.
Patent Abstracts of Japan, vol. 095, No. 007, Aug. 31, 1995: JP 07 107687 A (Toyota Motor Corporation), Apr. 21, 1995.
Patent Abstracts of Japan, vol. 096, No. 006, Jun. 28, 1996: JP 08 047188 A (Daido Steel Co., Ltd.) Feb. 16, 1996.
Patent Abstracts of Japan, vol. 096, No. 012, Dec. 26, 1996: JP 08 223838 A (Fuji Electric Co., Ltd.), Aug. 30, 1996.
Patent Abstracts of Japan, vol. 017, No. 630 (E-1463), Nov. 22, 1993: JP 05 199686 A (Matsushita Electric Ind. Co., Ltd.), Aug. 6, 1993.

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