ROTOR ASSEMBLY FOR AN ELECTRIC MOTOR AND ELECTRIC MOTOR WITH INTERNAL ROTOR

Title:

ROTOR ASSEMBLY FOR AN ELECTRIC MOTOR AND ELECTRIC MOTOR WITH INTERNAL ROTOR

Document Type and Number:

WIPO Patent Application WO2002007290

Kind Code:

A3

Abstract:

The invention relates to a rotor assembly for an electric motor, comprising a rotor shaft (10) and at least one permanent magnet (14) that is disposed on said rotor shaft (10). The rotor shaft (10) and the permanent magnet (14) are housed in a sleeve (20) and the rotor shaft (10) can freely rotate within said sleeve (20).

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Inventors:

RAPP HARALD (DE)

Application Number:

PCT/EP2001/007796

Publication Date:

July 18, 2002

Filing Date:

July 06, 2001

Export Citation:

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Assignee:

MINEBEA CO LTD (JP)
RAPP HARALD (DE)

International Classes:

H02K5/128; H02K5/15; H02K15/02; H02K15/03; H02K21/14; (IPC1-7): H02K5/128; H02K5/15

Foreign References:

US4999533A	1991-03-12
GB2186635A	1987-08-19
US3733504A	1973-05-15

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