[특허]Hermetically sealed current conducting terminal assembly

Emerson Electric Co.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Hermetically sealed current conducting terminal assembly

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01B-01726
미국특허분류(USC)	174/151; 174/050.61; 174/065.R; 174/153.R
출원번호	US-0805515 (2004-03-19)
발명자 / 주소	Deng, Zhijian Quadir, Tariq
출원인 / 주소	Emerson Electric Co.
대리인 / 주소	Harness, Dickey &
인용정보	피인용 횟수 : 7 인용 특허 : 26

초록

A hermetically sealed current conducting terminal assembly for installation in an opening in the wall of a housing. The terminal assembly includes a current conducting pin assembly comprising a first pin member electrically connected to a second pin member at a conductive core and a first and second seal that electrically isolate the pin assembly from the housing.

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1. A hermetically sealed current conducting terminal assembly comprising:an annular sleeve comprising a bore and a first and second end; a pin assembly disposed within said bore of said sleeve; a first insulator disposed between said bore of said sleeve and said pin assembly, said first insulator electrically insulating said pin assembly from said sleeve; said pin assembly comprising: a pin member; a collar operable to connect said pin member to said first insulator; and a second insulator comprising at least one ceramic sleeve disposed about said pin member and adjacent to said first insulator. 2. The terminal assembly of claim 1, wherein said collar is made from stainless steel.3. The terminal assembly of claim 1, wherein said collar axially surrounds an outer diameter of said pin member.4. The terminal assembly of claim 1, wherein said pin member comprises a first pin member and a second pin member, said first pin member electrically connected to said second pin member at said collar.5. The terminal assembly of claim 1, wherein said pin member includes a unitary construction.6. The terminal assembly of claim 1, wherein said pin member is made from copper.7. The terminal assembly of claim 1, wherein said collar is fused to said pin member by an electrical conductor.8. The terminal assembly of claim 7, wherein said electrical conductor is a braze.9. The terminal assembly of claim 7, wherein said electrical conductor is a silver braze, said silver braze operable to electrically join said pin member and said collar.10. The terminal assembly of claim 1, wherein said first insulator is a glass-to-metal seal.11. The terminal assembly of claim 1, wherein said second insulator is bonded to an opposite side of said first insulator and said collar by a bonding material.12. The terminal assembly of claim 11, wherein said bonding material is an epoxy.13. The terminal assembly of claim 1, wherein said second insulator extends beyond one of said first and second ends of said annular sleeve to provide oversurface protection between said pin assembly and said annular sleeve.14. The terminal assembly of claim 1, wherein said annular sleeve includes an external threaded portion, said external threaded portion operable to attach said hermetic assembly to a corresponding threaded bore.15. The terminal assembly of claim 1, wherein said first pin member includes a first extension and said second pin member includes a second extension, said first extension extending in said second direction from said proximal end of said first pin member and said second extension extending in said first direction from said proximal end of said second pin member.16. The terminal assembly of claim 15, wherein said core includes a first threaded blind bore and a second threaded blind bore, said first threaded blind bore operable to matingly receive said first extension of said first pin member and said second blind bore operable to matingly receive said second extension of said second pin member.17. The terminal assembly of claim 15, wherein said core includes a bore extending therethrough, said bore operable to matingly receive said first extension of said first pin member and said second extension of said second pin member.18. The terminal assembly of claim 17, wherein said bore includes threaded portion, said threaded portion operable to matingly receive said first extension of said first pin member and said second extension of said second pin member.19. The terminal assembly of claim 15, wherein said first extension is directly joined to said second extension.20. The terminal assembly of claim 15, wherein said first extension is joined to said second extension by brazing.21. The terminal assembly of claim 20, wherein said braze is a silver braze.22. A hermetically sealed current conducting terminal assembly comprising:an annular sleeve comprising at least one bore; a pin assembly disposed within said bore of said sleeve; a first insulator disposed between said bore of said sleeve and said pin assembly, said first insulator electrically insulating said pin assembly from said sleeve; said pin assembly comprising: a pin member; and a collar operable to connect said pin member to said first insulator; and a second insulator comprising at least one ceramic sleeve disposed about said pin member and adjacent to said first insulator. 23. The terminal assembly of claim 22, wherein said collar is made from stainless steel.24. The terminal assembly of claim 22, wherein said collar axially surrounds an outer diameter of said pin member.25. The terminal assembly of claim 22, wherein said pin member comprises a first pin member and a second pin member, said first pin member electrically connected to said second pin member at said collar.26. The terminal assembly of claim 22, wherein said pin member includes a unitary construction.27. The terminal assembly of claim 22, wherein said pin member is made from copper.28. The terminal assembly of claim 22, wherein said collar is fused to said pin member by an electrical conductor.29. The terminal assembly of claim 28, wherein said electrical conductor is a braze.30. The terminal assembly of claim 28, wherein said electrical conductor is a silver braze, said silver braze operable to electrically join said pin member and said collar.31. The terminal assembly of claim 22, wherein said first insulator is a glass-to-metal seal.32. The terminal assembly of claim 22, wherein said second insulator is bonded to an opposite side of said first insulator and said collar by a bonding material.33. The terminal assembly of claim 32, wherein said bonding material is an epoxy.34. The terminal assembly of claim 22, wherein said second insulator extends beyond one of said first and second ends of said annular sleeve to provide oversurface protection between said pin assembly and said annular sleeve.35. The terminal assembly of claim 22, wherein said annular sleeve includes an external threaded portion, said external threaded portion operable to attach said hermetic assembly to a corresponding threaded bore.36. A hermetically sealed current conducting terminal assembly comprising:an annular sleeve comprising a bore and a first and second end; a pin assembly disposed within said bore of said sleeve; a first insulator disposed between said bore of said sleeve and said pin assembly comprising a glass-to-metal seal, said first insulator electrically insulating said pin assembly from said sleeve; said pin assembly comprising: a pin member; and a core comprising a collar axially surrounding said pin member; and a second insulator comprising at least one ceramic sleeve disposed about said pin member and adjacent to said first insulator. 37. The terminal assembly of claim 36, wherein said pin member includes a first pin member and a second pin member.38. The terminal assembly of claim 37, wherein said first pin member is electrically connected to said second pin member by said core.39. The terminal assembly of claim 36, wherein said collar is made from stainless steel.40. The terminal assembly of claim 36, wherein each said ceramic sleeve is bonded to an opposite side of said first insulator by a bonding material.41. The terminal assembly of claim 40, wherein said bonding material is an epoxy.42. The terminal assembly of claim 36, wherein each said ceramic sleeve extends beyond one of said first and second ends of said annular sleeve to provide oversurface protection between said pin assembly and said annular sleeve.43. The terminal assembly of claim 36, wherein said annular sleeve includes an external threaded portion, said external threaded portion operable to attach said hermetic assembly to a corresponding threaded bore.44. The terminal assembly of claim 36, wherein said core is made from copper.45. The terminal assembly of claim 36, wherein said core is made from brass.46. A hermetically sealed current conducting terminal assembly comprising:an annular sleeve comprising a bore and a first and second end; a pin assembly disposed within said bore of said sleeve; a first insulator disposed between said bore of said sleeve and said pin assembly comprising a glass-to-metal seal, said first insulator electrically insulating said pin assembly from said sleeve; said pin assembly comprising: a first pin member extending in a first direction along a longitudinal axis, said first pin member having a proximal end; a second pin member extending in a second direction along said longitudinal axis, said second pin member having a proximal end; and a core operable to connect said first pin member and said second pin member; and a second insulator comprising a pair of ceramic sleeves disposed about the respective proximal ends of the first and second pin members and adjacent to said first insulator. 47. The terminal assembly of claim 46, wherein said core includes a stud portion having a first threaded extension and a second threaded extension and a collar axially surrounding a portion of said stud portion, said first threaded extension extending in said first direction and said second extension extending in said second direction.48. The terminal assembly of claim 47, wherein said first pin member includes a first threaded bore and said second pin member includes a second threaded bore, said first threaded bore operable to matingly receive said first threaded extension and said second threaded bore operable to matingly receive said second threaded extension.49. The terminal assembly of claim 47, wherein said collar and said stud portion have a unitary construction.50. The terminal assembly of claim 46, wherein said first member includes a distal end opposing said proximal end and said second member includes a distal end opposing said proximal end, each of said distal end of said first member and said distal end of said second pin member including a series of threads.51. The terminal assembly of claim 46, wherein said core includes a central member having an outer diameter generally equivalent to that of said first and second pin members, said core fused to said first insulator.52. The terminal assembly of claim 46, wherein each said ceramic sleeve is bonded to an opposite side of said first insulator by a bonding material.53. The terminal assembly of claim 52, wherein said bonding material is an epoxy.54. The terminal assembly of claim 46, wherein each said ceramic sleeve extends beyond one of said first and second ends of said annular sleeve in one of said first and second directions to provide oversurface protection between said pin assembly and said annular sleeve.55. The terminal assembly of claim 46, wherein said annular sleeve includes an external threaded portion, said external threaded portion operable to attach said hermetic assembly to a corresponding threaded bore.56. The terminal assembly of claim 46, wherein said core is made from copper.57. The terminal assembly of claim 46, wherein said core is made from brass.

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Hermetically sealed current conducting terminal assembly

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