Dual excitation electrical machine, and especially motor vehicle

Details Dual excitation electrical machine, and especially motor vehicle Dual excitation electrical machine, and especially motor vehicle

1999-01-25

2000-03-14

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310261, 310156, 310174, 310179, 310114, H02K 100

Patent

active

060376910

ABSTRACT:
A flux commutating electrical machine includes a stator and a rotor, the stator including at least one armature coil housed in at least one pair of notches and the rotor selectively establishing closed magnetic circuits around sections of the armature coil(s). At least one excitation permanent magnet establishes a magnetic flux in a circumferential direction of the rotor and at least one excitation coil establishes a localized variable magnetic flux in the same circumferential direction as the flux produced by the magnet(s). The magnet or each magnet is housed in a first rotor part defining a first pair of rotor poles, the coil is or the coils are housed in a second rotor part defining a second pair of rotor poles and the rotor parts are separated from each other by essentially magnetically non-conductive areas.

REFERENCES:
patent: 4980595 (1990-12-01), Arora
patent: 5097166 (1992-03-01), Mikulic
patent: 5132581 (1992-07-01), Kusase
patent: 5397975 (1995-03-01), Syverson
patent: 5663605 (1997-09-01), Evans et al.
patent: 5828154 (1998-10-01), Bahn
patent: 5864198 (1999-01-01), Pinkerton
English Abstract (Derwent) of European Patent Application No. EP 0 707 374 A1 to J. Lucidarme et al. (Apr.17, 1996).
Patent Abtstracts of Japan, vol. 018, No. 109 (E-1513), Feb. 22, 1994 & JP 05 304752 A (Fuji Elelctric Co Ltd), Nov. 16, 1993.
French Search Report dated Oct.23, 1998.

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