[특허]Method and apparatus for electric motor lead wire retention

General Electric Company

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특허 상세정보

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Method and apparatus for electric motor lead wire retention

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02K-005/00
미국특허분류(USC)	310/089; 310/071
출원번호	US-0116313 (2002-04-04)
발명자 / 주소	Reddy, Gaddam
출원인 / 주소	General Electric Company
대리인 / 주소	Armstrong Teasdale LLP
인용정보	피인용 횟수 : 4 인용 특허 : 11

초록

A cover for an electric motor including at least one lead wire. The cover includes an inner face, an outer face, and at least one opening extending therebetween. The opening is defined by a perimeter including at least one groove extending between the inner face and the outer face.

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1. A unitary cover for an electric motor including at least one lead wire and a can, said cover comprising:a first wall;a flange extending from said first wall; andat least one opening defined in part by said flange, said flange configured to contact the at least one lead wire and form a watertight seal therewith. 2. A cover in accordance with claim 1 wherein said flange comprises a perimeter that forms at least one groove defining said opening, said at least one groove is substantially semi-cylindrically shaped. 3. A cover in accordance with claim 2 wherein said at least one opening configured to receive the at least one lead wire therethrough, said at least one groove configured to receive the at least one lead wire therein. 4. A cover in accordance with claim 1 wherein the motor includes a plurality of lead wires, said opening perimeter further comprises a plurality of grooves, said opening configured to receive the plurality of lead wires such that each said groove receives a respective lead wire therein. 5. A cover in accordance with claim 1 wherein saidfirst wall having a first end, a second end, and an outer face, said at least one opening adjacent said second end, said cover further comprises a second wall extending from said first wall first end. 6. A cover in accordance with claim 5 wherein said cover second wall extending substantially perpendicular to said first wall. 7. A cover in accordance with claim 5 wherein the electric motor includes a rotor shaft, said cover second wall comprising a shaft opening configured to receive the rotor shaft. 8. A cover in accordance with claim 5 wherein said at least one groove extends outwardly from said outer face of said first wall. 9. A cover in accordance with claim 5 wherein said cover further comprises at least one mounting flange extending outwardly from said first wall outer face adjacent said first wall second end. 10. A cover in accordance with claim 5 wherein the electric motor also includes a can having a can flange, each respective lead wire includes insulation circumscribing the lead wire, said at least one opening configured to receive the at least one lead wire, said at least one groove configured to receive the at least one lead wire therein such that the insulation is compressed between said at least one groove and the can flange when said cover is fixedly coupled to the can. 11. A cover in accordance with claim 10 wherein the insulation facilitates forming a substantially water-tight seal when compressed. 12. A unitary can for an electric motor including at least one lead wire and a cover, said can comprising:a first wall,a flange extending from said first wall; andat least one opening defined in put by said flange, said flange configured to contact the at least one lead wire and form a watertight seal therewith. 13. A can in accordance with claim 12 wherein said flange comprises a perimeter that forms at least one groove defining said opening, said at least one groove is substantially semi-cylindrically shaped. 14. A can in accordance with claim 13 wherein said at least one opening configured to receive the at least one lead wire therethrough, said at least one groove configured to receive the at least one lead wire therein. 15. A can in accordance with claim 12 wherein the motor includes a plurality of lead wires, said opening perimeter further comprises a plurality of grooves, said opening configured to receive the plurality of lead wires such that each said groove receives a respective lead wire therein. 16. A can in accordance with claim 12 wherein said first wall having a first end, a second end, and an outer face, said at least one opening adjacent said second end. 17. A can in accordance with claim 16 wherein said at least one groove extends outwardly from said outer face of said first wall. 18. A can in accordance with claim 16 wherein said can further comprises at least one mounting flange extending outwardly from said first wall outer face adjacent said first wall second end. 19. A can in accordance with claim 16 wherein the electric motor also includes a cover having a cover flange, each respective lead wire includes insulation circumscribing the lead wire, said at least one opening configured to receive the at least one lead wire, said at least one groove configured to receive the at least one lead wire therein such that the insulation is compressed between said at least one groove and the cover flange when said can is fixedly coupled to the cover. 20. A can in accordance with claim 19 wherein the insulation facilitates forming a substantially water-tight seal when compressed. 21. An electric motor comprising:a housing comprising a cover and a can, said cover fixedly coupled to said can, said cover comprising at least one flange, said can comprising at least one flange, and said housing further comprising at least one opening defined by a perimeter comprising at least one groove extending between said at least one cover flange and said at least one can flange;a stator comprising at least one winding and a bore therethrough, said stator mounted in said housing;at least one lead wire electrically coupled with said at least one winding and configured for electrical connection with an electrical power source, said at least one cover flange and said at learnt one can flange configured to contact said at least one lead wire and form a watertight seal therewith;a rotor shaft extending at least partially through said bore and said housing; anda rotor core mounted on said rotor shaft, said rotor core comprising at least one magnet. 22. An electric motor in accordance with claim 21 wherein said motor comprises a plurality of lead wires, said opening perimeter further comprises a plurality of grooves, said opening configured to receive the plurality of lead wires such that each said groove receives a respective lead wire therein. 23. An electric motor in accordance with claim 21 wherein said at least one lead wire includes circumscribing surrounding the at least one lead wire, said at least one opening configured to receive said at least one lead wire therethrough, said at least one groove configured to receive said at least one lead wire therein, said insulation compressed between said cover and said can. 24. An electric motor in accordance with claim 23 wherein said at least one groove extends outwardly from said can, said insulation compressed between said cover and said at least one groove. 25. An electric motor in accordance with claim 23 wherein said at least one groove extends outwardly from said cover, said insulation compressed between said can and said at least one groove. 26. An electric motor in accordance with claim 23 wherein said insulation isolates said at least one lead wire from metal surfaces. 27. An electric motor in accordance with claim 23 wherein said insulation seals said at least one lead wire from water and other contaminants. 28. An electric motor in accordance with claim 23 wherein said insulation forms a substantially water tight seal with said at least one groove and said housing such that the insulation facilitates sealing an internal cavity of said motor from water and other contaminants. 29. A method for insulating an electric motor including a cover, a can, and at least one lead wire having insulation surrounding the at least one lead wire, said method comprising:inserting each respective lead wire between the cover and the can; andcompressing the insulation between the cover and the can such that the cover and the can contact the insulation and form a watertight seal therewith. 30. A method in accordance with claim 29 wherein the cover includes at least one opening having a perimeter including at least one groove, said inserting each respective lead wire between the cover and the can comprises inserting each respective lead wire into the at least one groove. 31. A method in accordance with claim 30 wherein the can includes a flange, said compres sing the insulation between the cover and the can comprises compressing the insulation between the can flange and the at least one groove. 32. A method in accordance with claim 29 wherein the can includes at least one opening having a perimeter including at least one groove, said inserting each respective lead wire between the cover and the can comprises inserting each respective lead wire into each respective groove. 33. A method in accordance with claim 32 wherein the cover includes a flange, said compressing the insulation between the cover and the can comprises compressing the insulation between the cover flange and the at least one groove. 34. A unitary cover for an electric motor including a can and at least one lead wire having insulation surrounding the at least one lead wire, said cover comprising at least one opening having a perimeter comprising at least one groove, said at least one groove configured to receive said at least one lead wire therein such that when said cover is fixedly attached to the can the insulation is compressed adjacent said at least one groove and the can forming a watertight seal therebetween. 35. A unitary can for an electric motor including a cover and at least one lead wire having insulation surrounding the at least one lead wire, said can comprising at least one opening having a perimeter comprising at least one groove, said at least one groove configured to receive said at least one lead wire therein such that when said can is fixedly attached to the cover the insulation is compressed between adjacent said at least one groove and the cover forming a watertight seal therebetween.

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특허 상세정보

Method and apparatus for electric motor lead wire retention

초록

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특허 상세정보

Method and apparatus for electric motor lead wire retention

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이 특허에 인용된 특허 (11)

이 특허를 인용한 특허 (4)

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IPC 상세정보(version : 201201)

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