Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2007-04-17
2007-04-17
Lam, Thanh (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S216055, C310S156380
Reexamination Certificate
active
10867489
ABSTRACT:
An electromagnetic machine is provided. The machine includes a stator extending along a longitudinal axis and having an inner surface defining a rotor receipt cavity. The rotor extends along and is rotatable about the longitudinal axis within the rotor receipt cavity. A plurality of ring assemblies are supported on the rotor and a plurality of magnets are circumferentially spaced about the rotor and extend through the ring assembly. Each magnet is generally parallel to the axis of the rotor.
REFERENCES:
patent: 3979821 (1976-09-01), Noodleman
patent: 4588914 (1986-05-01), Heyne
patent: RE33655 (1991-08-01), Hershberger
patent: 5140211 (1992-08-01), Ucida
patent: 5889346 (1999-03-01), Uchida et al.
patent: 0333871 (1989-09-01), None
DRS Power & Control Technologies, Inc.
Lam Thanh
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