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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0153484 (2005-06-16) |
등록번호 | US-7427816 (2008-09-23) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 376 |
The invention provides a structure and method of its use comprising a filtering and interference suppression device (62), particularly of the broad band type, for an electric motor (34) comprising at least a first powering brush (16) for an armature commutator of the electric motor (34), of the type
The invention provides a structure and method of its use comprising a filtering and interference suppression device (62), particularly of the broad band type, for an electric motor (34) comprising at least a first powering brush (16) for an armature commutator of the electric motor (34), of the type comprising a capacitor (64), one terminal of which is electrically connected to a strip conductor (38) that electrically powers the first brush (16) powering the armature commutator of the electric motor (34), and the other terminal of which is electrically connected to a ground strip conductor (58), connected, in turn, to the electrical ground (60) of the electric motor (34), characterized in that the capacitor (72) of the filtering and interference suppression device (62) is of the non-inductive type, and in that each of the non-inductive capacitors (72) is directly attached to a circuit board (73) comprising strip conductors, of which are at least one powering strip conductor (38, 40) for a brush and one ground strip conductor (58).
The invention claimed is: 1. A motor filter assembly comprising: a motor housing, said motor housing including a motor housing conductive portion and an aperture, said conductive portion spaced away from said aperture; a first motor brush mounted to said motor housing; a second motor brush mounted
The invention claimed is: 1. A motor filter assembly comprising: a motor housing, said motor housing including a motor housing conductive portion and an aperture, said conductive portion spaced away from said aperture; a first motor brush mounted to said motor housing; a second motor brush mounted to said motor housing; a first filter, said first filter comprising a filter first conductive structure comprising a filter first external electrode and a filter first internal conductive structure, a filter second conductive structure comprising a filter second external electrode and a filter second internal conductive structure, and a filter shield structure comprising a filter shield external electrode and a filter shield internal conductive structure; wherein said filter first external electrode is conductively connected to said first motor brush; wherein said filter second external electrode is conductively connected to said second motor brush; wherein said filter shield external electrode is conductively connected to said conductive portion of said motor housing; and wherein said filter shield internal conductive structure shields said filter first internal conductive structure from said filter second internal conductive structure. 2. The assembly of claim 1 wherein said filter is mounted to said motor housing. 3. The assembly of claim 2 wherein said motor housing includes a component carrier, and said filter is in contact with said component carrier. 4. The assembly of claim 3 wherein said component carrier comprises an insulating substrate and at least one region having a conductive coating. 5. The assembly of claim 4 wherein said at least one region includes a first conductive coating region, a second conductive coating region, and a ground conductive coating region. 6. The assembly of claim 5 wherein said filter first external electrode contacts said first conductive coating region, said filter second external electrode contacts said second conductive coating region, and said filter shield external electrode contacts said ground conductive coating region. 7. The assembly of claim 6 wherein said component carrier defines a first connector structure conductively connected to said first conductive coating region. 8. The assembly of claim 7 wherein said component carrier defines a second connector structure conductively connected to said second conductive coating region. 9. The assembly of claim 8 wherein said ground conductive coating region contacts said motor housing conductive portion. 10. The assembly of claim 1 further comprising a second filter having a second filter first terminal, a second filter second terminal, and a second filter shield terminal, and wherein said second filter first terminal is conductively connected to said filter first external electrode, said second filter second terminal is conductively connected to said first filter second external electrode, and said second filter third terminal is conductively connected to said motor housing conductive portion. 11. The assembly of claim 10 wherein said first filter and said second filter are disposed on opposite sides of said motor housing from one another. 12. The assembly of claim 1 wherein said filter first internal conductive structure comprises a plurality of layers. 13. The assembly of claim 1 wherein said filter second internal conductive structure comprises a plurality of layers. 14. The assembly of claim 1 wherein said filter ground internal conductive structure comprises a plurality of layers. 15. The assembly of claim 1 wherein two layers of said filter ground internal structure sandwich between them said filter first internal conductive structure and said filter second internal conductive structure.
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