Single phase four pole/six pole motor

Details Single phase four pole/six pole motor Single phase four pole/six pole motor

1983-04-11

1984-10-09

Truhe, J. V.

Electricity: motive power systems

Induction motor systems

Primary circuit control

310198, H02P 748

Patent

active

044764227

ABSTRACT:
A single phase alternating current electric motor is provided with a main stator winding having two coil groups each including the series connection of three coils. These coil groups can be connected in series for six pole operation and in parallel for four pole operation. The coils are approximately equally spaced around the periphery of the machine but are not of equal numbers of turns. The two coil groups are identically wound and spaced 180 mechanical degrees apart. One coil of each group has more turns and a greater span than the other two coils.

REFERENCES:
patent: 2464253 (1949-03-01), Morrill
patent: 3233160 (1966-02-01), Rawcliffe
patent: 3619730 (1971-11-01), Broadway
patent: 3619748 (1971-11-01), Eastham
patent: 4066937 (1978-01-01), Pfarrer et al.

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