Linear magnet

Details Linear magnet Linear magnet

1983-07-08

1985-04-09

Duggan, Donovan F.

Electricity: motive power systems

Linear-movement motors

H02K 4102

Patent

active

045104212

ABSTRACT:
A linear stator magnet in which the yoke stack is pole shanks flanked by cheek plates which are overlapped by the stabilizing yoke plates and are form and force-locked to projections of these yoke plates. Additional excitation coils are provided around the pole shoes and are connected in circuit with the main excitation coils around the pole shanks so that these additional excitation coils are provided in the gaps between the successive pole shoes and stray flux is minimized.

REFERENCES:
patent: 3911828 (1975-10-01), Schwarzler
patent: 3913045 (1975-10-01), Von Starck
patent: 4006373 (1977-02-01), Ross
patent: 4131812 (1978-12-01), English
patent: 4286180 (1981-08-01), Langley
patent: 4299173 (1981-11-01), Arima et al.
patent: 4408139 (1983-10-01), Schwarzler
"The Ideal Magnet-Fully Controllable Permanent Magnets For _Power and Transport" Electronics & Power, By G. R. Polgreen, Jan. 1971, pp. 31-34.
Magnetschwebetetechnik "Transrapid 06-Fahrzeugkonzept", Von peter Schwarzler et al., ZEV-Glas. Ann. 105 (1981) Nr. 7/8 Jul./Aug., pp. 216-224.

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