Sealed Air Intake Assembly With Tool-Free Filter Tube Coupling
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Solution Overview
Problem
Existing air intake assemblies for internal combustion engines either fail to efficiently isolate intake air from the heat of the engine compartment, leading to reduced engine performance, or require complex and time-consuming maintenance, compromising ease of installation and maintenance.
Innovation Solution
An air intake assembly with a sealed filter housing and a multi-component coupling interface that uses clearance engineering fits and integrated clamps to securely connect the air filter and intake tube without fastening hardware, ensuring efficient air isolation and simplified maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a sealed filter housing is used to isolate intake air from engine compartment heat, then air temperature is reduced and engine performance is enhanced, but device complexity increases due to additional sealing components and assembly requirements
Solution Approach 1:
The patent combines the filter housing and air intake manifold into a single integrated sealed structure. The filter housing serves dual functions as both a filter holder and an air intake manifold, eliminating the need for separate sealing components and reducing assembly complexity while maintaining effective thermal isolation of the air filter from engine compartment heat.
Solution Approach 2:
The filter housing is designed to perform multiple functions: it houses the air filter, seals the air intake path, and distributes filtered air to multiple engine cylinders through integrated passage ways. This multi-functionality reduces the number of separate components needed while achieving effective thermal isolation.
2Reliability
If traditional fastening hardware is used to secure the air filter and intake tube, then connection reliability is improved, but ease of installation and maintenance deteriorates due to increased assembly steps and time requirements
Solution Approach 1:
The patent replaces traditional mechanical fastening hardware (screws, bolts, clips) with a friction-based interference fit system. The intake tube features an expanded end section that creates frictional engagement with the filter housing bore, providing reliable connection without requiring additional fastening components. This simplifies installation and maintenance while maintaining connection integrity.
Solution Approach 2:
The interference fit design allows the intake tube to self-align and self-secure within the filter housing through frictional engagement. The expanded end section of the intake tube automatically creates the necessary holding force when inserted into the filter housing bore, eliminating the need for separate fastening operations and enabling tool-free installation and removal.
3Adaptability or versatility
If multiple separate components are used in the air intake assembly, then adaptability and ease of repair are improved, but device complexity increases and installation time is extended
Solution Approach 1:
The patent merges the filter housing and air intake manifold into a single integrated component with built-in passage ways that distribute air to multiple cylinders. This consolidation reduces the total number of components while maintaining the adaptability to serve different engine configurations through the integrated multi-output manifold design.
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
The assembly effectively separates intake air from engine compartment heat, enhancing engine performance while reducing the part count and simplifying installation and maintenance processes.
Implementation Method 1
The coupling interface is configured to secure the air filter and the intake tube to one another without the use of fastening hardware
Implementation Method 2
multi-component coupling interface that uses clearance engineering fits
Implementation Method 3
integrated clamps to securely connect the air filter and intake tube
Data Source
AI summary
Disclosed herein are air intake assemblies for internal combustion engines. In some embodiments, an air intake assembly includes an air filter configured to produce filtered air, a sealed filter housing configured to house the air filter therein, and an intake tube configured to convey the filtered air to an internal combustion engine. The filter housing includes an air intake port configured to provide intake air to the air filter. The air filter is configured to remove particulate matter from the intake air and produce the filtered air. The air filter includes a multi-component coupling interface configured to accept an intake-end portion of the intake tube in the coupling interface. The filter housing includes an aperture configured to accept the coupling interface of the air filter in the aperture. Also disclosed herein are methods of the air intake assemblies.