Ground insulation for coils

Details Ground insulation for coils Ground insulation for coils

1999-04-27

2000-10-24

Gellner, Michael L.

Inductor devices

Coil or coil turn supports or spacers

Coil on a preformed support or mount

336195, 336192, 336198, H01F 2728, H01F 2729

Patent

active

06137394&

ABSTRACT:
A bobbin for insulating a coil including a base portion comprising an electrically insulative material having an inner surface, an outer surface, an outer periphery, and a pole opening (54). An inner flange extends outwardly from the base portion in a first direction from the pole opening and at least partially defines the pole opening. Moreover, an outer flange extends outwardly from the base portion in the first direction from the outer periphery of the base portion. With this configuration, the bobbin is sized and configured to be placed on a side of the coil to provide ground insulation thereto.

REFERENCES:
patent: 3070766 (1962-12-01), Purdy
patent: 3842193 (1974-10-01), Johnson
patent: 3868766 (1975-03-01), Gramlich et al.
patent: 4678699 (1987-07-01), Kritchevsky et al.
patent: 4714576 (1987-12-01), Cotton et al.

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