High-power and high-speed prismatic linear motor

Details High-power and high-speed prismatic linear motor High-power and high-speed prismatic linear motor

1978-03-02

1979-10-23

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Linear

310 64, 104148LM, H02K 4100

Patent

active

041722299

ABSTRACT:
This prismatic linear electric motor comprises an inductor constituted by an elongated prismatic core surrounded by coils themselves separated by magnetic strips ensuring the conduction of the magnetic flux to a movable armature of U-shaped cross-section, which encloses the inductor. This inductor presents three active faces opposite the two flanges and the web respectively of the movable U-sectioned armature, and the fourth face of the inductor which is not used is in contact with an electrically conducting support which acts as screen against magnetic leakages. Each flat coil enclosed by two magnetic strips is spaced apart from the adjacent flat coils by annular gaps delimited by the magnetic strips and means are provided to cause cooling air to circulate in each gap between the flat coils.

REFERENCES:
patent: 3333124 (1967-07-01), Francis et al.
patent: 3668444 (1972-06-01), Davey
patent: 3802349 (1974-04-01), Guimbal
patent: 3816776 (1974-06-01), Chari
patent: 3838339 (1974-09-01), Laronze
patent: 3967561 (1976-07-01), Schwarzler
patent: 4115712 (1978-09-01), Guimbal

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