Relay Box Bracket Assembly for Engine Bay Space Clearance

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Solution Overview

Problem

The installation of components in a vehicle's engine compartment is challenging due to limited space, particularly because the relay box connected to the electrical wiring harness occupies space, making it difficult to install the air intake system and connect it to the engine.

Innovation Solution

A bracket assembly comprising a first bracket member mounted to the vehicle's frame and a second bracket member connected to the first, with a gap between them to receive the electrical wiring harness, allowing the relay box to be movable between positions to support it before and after installation, facilitating the installation of the air intake system.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the relay box is installed in the engine compartment, then the electrical wiring harness can be connected and supported, but the air intake system installation becomes difficult due to space occupation

Engineering Contradiction:
Improveelectrical wiring harness connectionVSAvoidair intake system installation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The bracket assembly allows the relay box to be positioned in two states: a first position during air intake system installation that clears the installation path, and a second position after installation that secures the relay box for normal operation. This dynamic repositioning resolves the space conflict between relay box support and air intake installation.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The bracket assembly is divided into multiple components including a bracket body, support surface, and positioning features that enable the relay box to be temporarily held in different positions. This segmentation allows the support function to be separated from the final installation position, enabling easier air intake system installation.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If the relay box occupies space in the engine compartment, then electrical wiring harness is supported, but installation space for air intake system components is reduced

Engineering Contradiction:
Improveelectrical wiring harness supportVSAvoidinstallation space
Core Design Contradiction:
Ease of operationVSArea of stationary object

Solution Approach 1:

The relay box support system transitions from a fixed position that blocks installation space to a dynamic system where the relay box can be temporarily repositioned to a first position during installation, clearing the required installation area while maintaining electrical wiring harness support capability.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The bracket assembly utilizes vertical positioning and angular orientation to relocate the relay box out of the horizontal installation path for the air intake system. By changing the spatial dimension of relay box placement, sufficient installation space is created while maintaining electrical support functionality.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS12179678B2Relay box bracket assembly
Publication Date: 2024.12.31 NISSAN MOTOR CO LTD
  • US12179678B2 patent drawing
  • US12179678B2 patent drawing
  • US12179678B2 patent drawing

AI summary

A bracket assembly for a relay box for a vehicle includes a first bracket member and a second bracket member. The first bracket member is configured to be mounted to a frame of the vehicle. The first bracket member is configured to receive the relay box in an installed position. The second bracket member is connected to the first bracket member. A gap is defined between the first bracket member and the second bracket member. The gap is configured to receive an electrical wiring harness connected to the relay box to support the relay box prior to the relay box being mounted in the installed position.