Electric motors with electromagnetic interference reduction

Details Electric motors with electromagnetic interference reduction Electric motors with electromagnetic interference reduction

1991-09-27

1993-03-23

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310242, H02K 1300

Patent

active

051967502

ABSTRACT:
A brush holder 14 has mounted therein a suppression circuit consisting of chokes H1 and H2, and capacitors C1, C2 and C3. Brush mounting plates 19 are integrally formed with slotted wings 19C for receiving and gripping the wire ends of the chokes and supply terminals 18 have slotted wings 18C for likewise receiving and gripping respective wire connections. The plates 19 and terminals 18 have integrally formed end portions which are soldered or otherwise electrically connected to a circuit board 24 on which the capacitors are mounted. The brush holder 14 is a single plastics molding having compartments, shaped and formed for receiving and holding the various components, as shown in FIG. 3.

REFERENCES:
patent: 4157483 (1979-06-01), Frimley
patent: 4728835 (1988-03-01), Baines
patent: 4746829 (1988-05-01), Strobl
patent: 4801833 (1989-01-01), Dye

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