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

2000-06-06

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310263, 310261, 310269, 310181, 310180, 310179, 310156, H02K 100

Patent

active

060722576

ABSTRACT:
A flux commutating electrical machine includes a stator and a rotor. The rotor selectively establishes closed magnetic circuits around sections of the armature coils. Excitation permanent magnets establish a magnetic flux closing on itself in a circumferential direction and excitation coils establish a localized variable magnetic flux in an opposite direction to that of the flux produced by the magnets. Each magnet is housed in a first rotor part defining a first pair of rotor poles, and the coils are disposed around a second rotor part ends of which define a second pair of poles. The rotor has between the adjacent first and second rotor parts third rotor parts forming with the first and second parts a circumferential magnetic conduction path.

REFERENCES:
patent: 4745312 (1988-05-01), Nagasaka
patent: 4978878 (1990-12-01), Dijken
patent: 5663605 (1997-09-01), Evans et al.
patent: 5747909 (1998-05-01), Syverson et al.
patent: 5753989 (1998-05-01), Syverson et al.
patent: 5825116 (1998-10-01), Ishikawa
patent: 5864198 (1999-01-01), Pinkerton
Patent Abstracts of Japan, vol. 018, No. 109 (E-1513), Feb. 22, 1994 & JP 05 304752 A (Fuji Electric Co Ltd), Nov. 16, 1993.
French Search Report dated Oct. 29, 1998.

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