Electrical generator or motor structure – Dynamoelectric – Linear
Patent
1980-02-11
1981-06-02
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Linear
H02K 4104
Patent
active
042713676
ABSTRACT:
A linear induction motor comprising an inductor with a magnetic core structure formed of first-group laminations extended in one direction and interconnected by means of second-group laminations extended in another direction transversely of the first direction and with a polyphase concentrated winding and a secondary element having an electrically conductive part arranged on a magnetically conductive base, each first-group lamination being provided with at least four slots and each second-group lamination having an inverted U-shape configuration. Each coil of the polyphase concentrated winding encompasses one of rods of at least one of the first-group laminations and one of rods of at least one of the second-group laminations. Coils in each row extended in the first direction have a forward phase rotation up to the middle of the row and a reverse phase rotation thereafter. Coils in each row extended in the second direction have a forward phase rotation. This invention provides a means for increasing safety of occupants of high-speed ground transport systems and for enhancing operational reliability of such systems.
REFERENCES:
patent: 3585423 (1971-06-01), Bolton et al.
patent: 3628072 (1971-12-01), Nicholson
patent: 3644762 (1972-02-01), Eastham
patent: 3770995 (1973-11-01), Eastham et al.
patent: 3836799 (1974-09-01), Eastham et al.
Khantimirov Sergei S.
Popov Alexandr D.
Shirokov Alexandr A.
Solomin Vladimir A.
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