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Method of making an improved electrical connection for a sealed cable core and a terminal with conformal coating

A conformal coating, terminal technology, applied in the direction of conductive connection, connection connection by deformation, connection, etc.

Inactive Publication Date: 2011-04-20
DELPHI TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conformal coating is dispensed into the nozzle while the lead is in the nozzle

Method used

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  • Method of making an improved electrical connection for a sealed cable core and a terminal with conformal coating
  • Method of making an improved electrical connection for a sealed cable core and a terminal with conformal coating
  • Method of making an improved electrical connection for a sealed cable core and a terminal with conformal coating

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Embodiment Construction

[0029] refer to figure 2 , the cable 10 has an insulating jacket 12 and an aluminum-based core 14 . The core 14 is made of a plurality of individual strands 15 bundled and twisted together. The ends of the insulating jacket 12 are removed to expose the leads 16 of the core 14 . The sprayer 18 sprays the conformal coating 20 onto the leads 16 of the core. The position of the spray head 23 is positioned away from the housing 12 and towards the axially distal end 21 of the lead wire 16 . The direction of spraying is axially away from the insulating jacket 12 and towards the axially distal end 21 . The spray head 23 may begin spraying the conformal coating 20 before the cable is moved into the spray of the conformal coating 20 . The cable is then moved axially into the spray such that the axial end 21 encounters the spray and is coated with the conformal coating 20 . The cable can be rotated or the spray head 18 can be rotated around the cable 12 to ensure that the lead 16 i...

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Abstract

A method of forming a seal about an electrically conductive core of a cable having an insulative outer cover and a terminal includes the steps of providing a lead of the core extending beyond an axial edge of the insulative outer cover; applying a conformal coating onto the lead; crimping the terminal onto the cable while the conformal coating is still wet to displace the conformal coating from between the lead and the abutting contact surfaces of the terminal and to cover and seal remaining portions of the lead not in direct contact with the terminal with the conformal coating and curing the conformal coating over the remaining portions of the lead.

Description

[0001] Cross Reference to Priority Claims [0002] This application is a continuation-in-part of co-pending U.S. Application No. 12 / 575,675, filed October 8, 2009, and claims priority to co-pending U.S. Provisional Application No. 61 / 243,650, filed September 18, 2009 . technical field [0003] The field of the invention relates to connections between aluminum-based cables and copper-based electrical terminals. Background technique [0004] Insulated copper-based cables are commonly used in automotive wiring. Copper has high electrical conductivity, good corrosion resistance and sufficient mechanical strength. However, copper and copper-based metals are relatively noble metals and are also heavy. [0005] Weight and cost savings considerations in automotive power wiring applications have made aluminum-based cables an attractive alternative to copper-based wires. However, some wiring and electrical connections still need to be copper based. Therefore, there will be trans...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R43/04H01R4/62H01R4/70
CPCH01R4/187H01R4/184H01R4/62Y10T29/49171Y10T29/49174Y10T29/49176Y10T29/49224
Inventor F·D·马尔陶茨M·A·希尔
Owner DELPHI TECH INC
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