Vehicle Wiring Harness Source Splice Overlay Welding

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing wiring harness assemblies for vehicles require separate routing and connection of ground wires to splice connectors, increasing assembly and part costs due to the need for extra connectors.

Innovation Solution

A wiring harness assembly with a source splice overlay that eliminates individual ground wires from overlay harnesses, replacing them with a single source splice overlay and welding the second ends of source wires to form a circuit, thereby reducing assembly and part costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If separate ground wires are routed and connected to splice connectors in each overlay wiring harness, then reliable electrical connection is achieved, but assembly cost and part cost increase

Engineering Contradiction:
Improveelectrical connectionVSAvoidassembly cost
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple separate ground wire connections into a single integrated source splice overlay. Instead of having individual ground wires routed separately through splice connectors in each overlay wiring harness, the invention merges all ground wire connections into one common splice overlay that interfaces with a single ground bus bar, thereby reducing the number of connectors and assembly steps while maintaining reliable electrical connection.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The invention extracts the ground wire routing function from individual overlay wiring harnesses and consolidates it into a separate source splice overlay component. This extraction allows the ground connection system to be designed and assembled independently, reducing complexity in each individual harness while achieving reliable grounding through the dedicated splice overlay.

Inventive Principle:
Principle #2Taking out (Extraction)

2Reliability

If splice connectors are used to couple ground wires to second harness connectors, then electrical connection is achieved, but part cost increases due to extra connectors

Engineering Contradiction:
Improveelectrical connectionVSAvoidpart cost
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The patent merges multiple splice connector functions into a single source splice overlay that handles all ground wire connections simultaneously. Instead of using separate splice connectors for each ground wire attachment to second harness connectors, the invention combines these functions into one integrated overlay that connects multiple ground wires to a common ground bus bar, thereby reducing the total number of connectors required.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The source splice overlay serves multiple functions: it provides electrical connection for all ground wires, acts as a common interface to the ground bus bar, and eliminates the need for multiple individual splice connectors. This multi-functional design reduces part quantity while maintaining reliable electrical connections across all overlay wiring harnesses.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This solution reduces assembly costs by eliminating the need for separate routing of ground wires and eliminates the need for extra connectors, resulting in a more cost-effective wiring harness assembly.

Implementation Method 1

a weld coupling the source splice overlay to the first harness connector and the second harness connector to form a circuit

Methodology Applied
Scientific EffectWelding: Welding

Data Source

PatentUS9440598B2Wiring harness assembly for vehicle including source splice overlay
Publication Date: 2016.09.13 AEES INC
  • US9440598B2 patent drawing
  • US9440598B2 patent drawing
  • US9440598B2 patent drawing

AI summary

A wiring harness assembly for a vehicle includes wiring harness assembly for a vehicle including a plurality of overlay wiring harnesses, each of the overlay wiring harnesses including a first harness connector with a plurality of first wires, a source splice overlay adapted to be coupled to a source of the vehicle, a second harness connector with a plurality of second wires, and a weld coupling the source splice overlay to the first harness connector and the second harness connector to form a circuit.