Engine crankshaft variable reluctance alternator

Details Engine crankshaft variable reluctance alternator Engine crankshaft variable reluctance alternator

1992-06-12

1994-02-15

Peckman, Kristine L.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

322 90, H02J 700

Patent

active

052875180

ABSTRACT:
Method and apparatus are provided, for use in a vehicle having an internal combustion engine (10) and a battery (38), for converting mechanical energy into electrical energy for charging the battery, the apparatus being disposed within the engine crankcase (22). The apparatus includes a stator (14), disposed within the engine crankcase (22), having a plurality of teeth (34). Each tooth on the stator has a coil (36) wound thereabout electrically connected to the battery (38). The apparatus also includes a crankshaft (12) disposed within the engine crankcase (22) for rotation relative to the stator (14). The crankshaft (12) includes a plurality of lobes (30.sub.1-4), which periodically move into close proximity with the stator teeth (34) upon rotation of the crankshaft, thereby inducing a current in the coils (36) for charging the battery (38).

REFERENCES:
patent: 3652883 (1972-03-01), Cone
patent: 3747649 (1973-07-01), Densow et al.
patent: 4281279 (1981-07-01), Gurwicz
patent: 4387781 (1983-06-01), Ezell et al.
patent: 4404513 (1983-09-01), Campen
patent: 4417195 (1983-11-01), MacLeod
patent: 4455492 (1984-06-01), Guelpa
patent: 4709669 (1987-12-01), Wissmann et al.
patent: 4825139 (1989-04-01), Hamelin et al.

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