[특허]Terminal/connector having integral oxide breaker element

Carlisle Interconnect Technologies, Inc.

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Terminal/connector having integral oxide breaker element

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01B-001/02 H01R-004/20 H01R-011/12 H01R-004/62 H01B-007/00
출원번호	US-0202275 (2016-07-05)
등록번호	US-10164348 (2018-12-25)
발명자 / 주소	Peters, Kenneth J. Arenburg, William L.
출원인 / 주소	Carlisle Interconnect Technologies, Inc.
대리인 / 주소	Wood Herron & Evans LLP
인용정보	피인용 횟수 : 0 인용 특허 : 82

초록

A one piece integral electrical terminal has a mount portion and a wire receiving portion. The wire receiving portion has a continuous annular interior wall having a contact portion with an integral oxide breaker especially suited to breaking through the oxide layer on aluminum wire. The wire receiving portion also has a sealing portion with at least one integral seal ring. An electrical cable is made by crimping the electrical terminal to an aluminum wire using a modified hexagonal crimp.

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1. An electrical terminal comprising: a mount portion and a wire receiving portion formed of an electrically conductive material;the wire receiving portion configured to be crimped and having an aperture to receive a wire and including a contact portion having an oxide breaker element and a sealing portion that is adjacent to and spaced from the contact portion toward the aperture;the integral oxide breaker element including a plurality of protrusions that extend radially inwardly in the contact portion, the protrusions configured to engage a wire positioned in the contact portion and to protrude into the wire when the wire receiving portion is crimped;the sealing portion having an inner diameter and including a plurality of integral seal rings that are integral with the sealing portion at spaced positions along the sealing portion between the aperture and contact portion, the integral seal rings each having a face surface that defines another inner diameter that is less than the inner diameter of the sealing portion, the plurality of seal rings cooperating to engage the wire at a plurality of positions and seal that seals the wire when the wire receiving portion is crimped. 2. The electrical terminal of claim 1 wherein the plurality of protrusions are tapered and extend from an interior wall of the contact portion with small ends of the tapered protrusions pointing toward a center axis of the wire receiving portion. 3. The electrical terminal of claim 1 wherein the plurality of protrusions are axial ridges having a longitudinal axis parallel to the center axis of the wire receiving portion. 4. The electrical terminal of claim 1 further comprising a coating on at least a portion of the oxide breaker element. 5. The electrical terminal of claim 4 wherein the coating is made of a material different from the electrically conductive material of the wire receiving portion. 6. The electrical terminal of claim 4 wherein the coating is a nickel material coating. 7. The electrical terminal of claim 1 wherein the oxide breaker element includes a helical thread. 8. The electrical terminal of claim 1 wherein the electrically conductive material includes at least one of aluminum or copper. 9. The electrical terminal of claim 1 further comprising a lubricant layer applied on an outside surface of at least part of the wire receiving portion. 10. The electrical terminal of claim 1 further comprising at least one flexible seal ring adjacent to at least one of the integral seal rings. 11. A cable comprising: an electrical wire having a conductor and insulation;an electrical terminal formed of an electrically conductive material having an aperture to receive a wire and including a crimp portion to be crimped to the electrical wire, the crimp portion having an annular wall with an inner diameter;an oxide breaker element integrally formed in the annular wall of the crimp portion, the oxide breaker element including at one protrusion configured to penetrate an outer layer of the conductor to make an electrical path with the wire when the electrical terminal is crimped to the wire; anda plurality of integral seal rings integrally formed in the annular wall of the crimp portion at spaced positions along the crimp portion between the aperture and the oxide breaker element, the integral seal rings each having a face surface that defines an inner diameter that is less than the inner diameter of the crimp portion, the continuous and integral seal rings cooperating for engaging the insulation at a plurality of positions and sealing an end of the electrical terminal with the insulation when the electrical terminal is crimped. 12. An electrical connector for connecting electrical wires comprising: a body formed of an electrically conductive material and including wire receiving portions positioned at opposing ends of the body;each wire receiving portion configured to be crimped and having a respective aperture to receive a wire and including a contact portion having an oxide breaker element and a sealing portion with an inner diameter that is adjacent to and spaced from the contact portion toward the respective aperture;at least one of the integral oxide breaker elements of a wire receiving portion including a plurality of protrusions that extend radially inwardly in the contact portion, the protrusions configured to engage a wire positioned in the contact portion and to protrude into the wire when the wire receiving portion is crimped;the sealing portion of at least one wire receiving portion including a plurality of integral seal rings at spaced positions along the sealing portion between the aperture and contact portion, the integral seal rings each having a face surface that defines another inner diameter that is less than the inner diameter of the sealing portion, the plurality of seal rings cooperating to engage the wire at a plurality of positions and seals the wire when the wire receiving portion is crimped. 13. The electrical connector of claim 12 wherein the plurality of protrusions are tapered and extend from an interior wall of the contact portion with small ends of the tapered protrusions pointing toward a center axis of the wire receiving portion. 14. The electrical connector of claim 12 wherein the plurality of protrusions are axial ridges having a longitudinal axis parallel to the center axis of the wire receiving portion. 15. The electrical connector of claim 12 further comprising a coating on at least a portion of the oxide breaker element. 16. The electrical connector of claim 15 wherein the coating is made of a material different from the electrically conductive material of the body. 17. The electrical connector of claim 15 wherein the coating is a nickel material coating. 18. The electrical connector of claim 12 wherein the oxide breaker element includes a helical thread. 19. The electrical connector of claim 12 wherein the electrically conductive material includes at least one of aluminum or copper. 20. The electrical connector of claim 12 wherein one of the wire receiving portions has an inner diameter that is smaller than an inner diameter of the other wire receiving portion for connecting electrical wires having different sizes. 21. The electrical connector of claim 12 further comprising a lubricant layer applied on an outside surface of at least part of a wire receiving portion. 22. The electrical connector of claim 12 further comprising at least one flexible seal ring adjacent to at least one of the integral seal rings ring. 23. A cable comprising: a plurality of electrical wires, each wire having a conductor and insulation;a connector formed of an electrically conductive material and configured to connect the plurality of wires together, the connector including wire receiving portions positioned at opposing ends of the body for receiving a conductor and insulation of a respective electrical wire;each wire receiving portion of the connector configured to be crimped onto the respective electrical wire and having a respective aperture to receive a respective wire, each wire receiving portion including a contact portion having an oxide breaker element and a sealing portion with an inner diameter that is adjacent to and spaced from the contact portion toward the respective aperture;at least one of the integral oxide breaker elements of a wire receiving portion including a plurality of protrusions that extend radially inwardly in the contact portion, the protrusions configured to engage a wire positioned in the contact portion and to protrude into the wire conductor when the wire receiving portion is crimped;the sealing portion of at least one wire receiving portion including a plurality of integral seal rings at spaced positions along the sealing portion between the aperture and contact portion, the integral seal rings each having a face surface that defines another inner diameter that is less than the inner diameter of the sealing portion, the plurality of seal rings cooperating to engage the wire at a plurality of positions and seals against the wire insulation when the wire receiving portion is crimped.

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Terminal/connector having integral oxide breaker element

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Terminal/connector having integral oxide breaker element

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이 특허에 인용된 특허 (82)

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