Electrical generator or motor structure – Dynamoelectric – Linear
Patent
1984-07-30
1986-12-23
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Linear
310 27, H02K 4102
Patent
active
046314318
ABSTRACT:
A linear motor having improved magnetic characteristics in driving a coil and in preventing flux leakage which is particularly useful with a magnetic disc memory. The motor includes a magnetic housing having top and bottom surfaces, side surfaces and one end surface with the end surface including integral first and second magnetic center pieces. An end plate mates with the magnetic housing with the end plate having integral first and second magnetic center pieces which mate with the first and second magnetic center pieces of the housing. First, second, and third magnets are mounted to the top and bottom surfaces and one side surface of the magnetic housing in cooperative relationship with the first center piece. Fourth, fifth, and sixth magnets are mounted to the top and bottom surfaces and the other side surface of the housing in cooperative relationship with the second magnetic center piece. A coil is coupled to the first and second magnetic center pieces and drives a carriage assembly.
REFERENCES:
patent: 3666977 (1972-05-01), Helms et al.
patent: 3723780 (1973-03-01), Gillum
patent: 3735163 (1973-05-01), Dijkstra et al.
patent: 3743870 (1973-07-01), Hunt
patent: 3816777 (1974-06-01), Metzgar
patent: 3889139 (1975-06-01), Hughes
patent: 4121124 (1978-10-01), Hunt
Duggan Donovan F.
Priam Corporation
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