Vehicular Engine Room Partitioning Wall Intake Structure

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Solution Overview

Problem

Existing engine room structures face challenges in maintaining high intake charge density while effectively sound and heat insulation, especially in densely arranged vehicle designs, as traditional sound insulation covers can accumulate heat and reduce air intake efficiency.

Innovation Solution

An engine room structure featuring a partitioning wall that separates the engine storage space from the intake passage piping space, with an intake pipe integrally formed along the partitioning wall, which extends to form the intake passage in the piping space, reducing heat and sound transfer and allowing for efficient air supply.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If a sound insulation cover is attached to the engine to block sound transmission, then sound insulation is improved, but heat accumulates in the intake passage area causing intake charge density to decrease

Engineering Contradiction:
Improvesound insulationVSAvoidintake charge density
Core Design Contradiction:
Object-affected harmful factorsVSQuantity of substance

Solution Approach 1:

The engine room is divided into distinct spaces using a partitioning wall that separates the engine storage space from the piping space. This segmentation prevents heat accumulation in the intake passage area while maintaining sound insulation, thereby preserving intake charge density.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The sound insulation function is extracted from a cover attached directly to the engine and repositioned to a partitioning wall structure. This extraction allows sound insulation to be maintained while eliminating the harmful heat accumulation effect on the intake passage.

Inventive Principle:
Principle #2Taking out (Extraction)

2Volume of stationary object

If devices are densely arranged in the engine room, then space utilization is improved, but it becomes difficult to form an intake passage without excessive clearance

Engineering Contradiction:
Improvespace utilizationVSAvoidintake passage formation
Core Design Contradiction:
Volume of stationary objectVSEase of operation

Solution Approach 1:

The partitioning wall is configured to extend in multiple directions, creating a three-dimensional piping space that efficiently utilizes available engine room volume. This dimensional approach allows adequate clearance for intake passage formation even with dense device arrangement.

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

Solution Approach 2:

The partitioning wall serves multiple functions: it provides sound insulation, creates defined piping space, and establishes proper clearance for intake passage formation. This multi-functionality enables effective intake passage design in densely arranged engine rooms.

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

3Quantity of substance

If the intake passage is formed in a wide space adjacent to the engine, then intake charge density is maintained, but the design cannot be applied to vehicles with dense device arrangement

Engineering Contradiction:
Improveintake charge densityVSAvoiddesign applicability
Core Design Contradiction:
Quantity of substanceVSAdaptability or versatility

Solution Approach 1:

The partitioning wall creates a localized piping space with appropriate dimensions and clearance specifically around the intake passage area. This local quality optimization maintains intake charge density while adapting to various vehicle layouts with different space constraints.

Inventive Principle:
Principle #3Local quality

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 configuration maintains high intake charge density by minimizing heat transfer from the engine, reduces noise leakage, and allows for flexible design adaptation to various vehicle types without excessive clearance, ensuring effective sound and heat insulation.

Implementation Method 1

The sound insulation cover has not only sound insulation characteristics but also heat insulation characteristics to some extent

Methodology Applied
Scientific EffectHeat insulation: Thermal Insulation

Implementation Method 2

a partitioning wall configured to partition a storage space in which an engine is storable from a piping space in which an intake passage for supplying air to a combustion chamber of the engine

Methodology Applied
Scientific EffectSound insulation: Acoustic Absorption

Data Source

PatentEP3653422B1Vehicular engine room structure
Publication Date: 2021.07.21 MAZDA MOTOR CORP
  • EP3653422B1 patent drawingFigure 1
  • EP3653422B1 patent drawingFigure 2
  • EP3653422B1 patent drawingFigure 3

AI summary

The present application discloses an engine room structure of a vehicle including: a partitioning wall configured to partition a storage space in which an engine is stored from a piping space to form an intake passage for supplying air to a combustion chamber of the engine; and an intake pipe which partially forms the intake passage in the piping space, wherein the intake pipe extends along the partitioning wall, the intake pipe being integrally formed with the partitioning wall.