Self-retained RFI suppression choke for electric motor

Details Self-retained RFI suppression choke for electric motor Self-retained RFI suppression choke for electric motor

2005-05-31

2005-05-31

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S239000

Reexamination Certificate

active

06900563

ABSTRACT:
A choke20is provided for suppressing radio-frequency interference of a brush-type motor. The choke includes a single wire having a portion wound about a coil axis A to define a plurality of coils24including two outermost coils26and28. An attaching structure30extends from one of the outermost coils and includes a loop structure42. The loop structure is constructed and arranged to be inserted into a slot58in a brush card48and moved into hooked relation with a retaining member60of the brush card that is associated with the slot so as secure the choke to the brush card. At least a portion of the attaching structure is constructed and arranged to be in electrical connection with a brush56of a motor when the choke is secured to the brush card. An elongated end portion44of the choke extends directly from the other of the outermost coils. The elongated end portion is constructed and arranged to be directly electrically connected to an electrical connector54when the choke is secured to the brush card.

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