Rotor for synchronous motor

Details Rotor for synchronous motor Rotor for synchronous motor

1997-06-11

1998-07-28

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 91, 310216, 310217, 310218, 310261, 310262, H62K 2112

Patent

active

057866503

ABSTRACT:
A rotor (10) includes a plurality of permanent magnets (14) disposed substantially equidistantly round a shaft (12) and a plurality of laminated core members (16) each being disposed between the permanent magnets (14) and forming a magnetic pole. The laminated core embers (16) are formed by laminating and bonding a large number of thin magnetic plate cores (26) and integral type thin cores. The integral type thin core (26) includes a plurality of thin core portions having the same shape and connecting portions (46) for connecting mutually the adjacent thin core portions. When a large number of thin cores (26) and integral type thin cores are integrally joined by a press work, each laminated core member (16) is mutually interconnected between the adjacent laminated core members (16) with a relative arrangement at the time of completion of assembly having installation spaces of permanent magnets (14), and an integrated type laminate rotor core (48) is formed.

REFERENCES:
patent: 4469970 (1984-09-01), Neumann
patent: 4568846 (1986-02-01), Kapadia
patent: 5010266 (1991-04-01), Uchida et al.
patent: 5338996 (1994-08-01), Yamamoto
patent: 5378953 (1995-01-01), Uchida et al.
JP-A-59 072968 (FANUC) 25 Apr. 1984. Japan-A-59 059057 (FANUC) 4 Apr. 1984.

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