Intake Control Apparatus Linear Bypass Passage Drilling
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Solution Overview
Problem
Conventional intake control apparatuses with an air cleaner connected only to the intake pipe of the throttle body cannot easily form a linear bypass passage, limiting the formation of bypass passages by drilling.
Innovation Solution
The intake control apparatus features a body with linear bypass passages that communicate from one intake pipe to another, allowing easy formation by drilling from one position, and includes a plate-like connection base with projecting portions for reinforcement, ensuring balanced intake air quantity and easy compact formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the air cleaner is connected only to the intake pipe of the throttle body, then the intake control apparatus can be simplified, but the bypass passage cannot be easily formed by drilling
Solution Approach 1:
Instead of connecting the air cleaner to the body and forming bypass passages from the body, the invention inverts the approach by connecting the air cleaner directly to the intake pipes and forming bypass passages from the intake pipes. This reversal of the connection sequence enables easy drilling of linear bypass passages while maintaining the simplified structure.
Solution Approach 2:
The invention changes the dimensional approach by creating linear bypass passages that extend through the body in a straight line from one intake pipe to another. This linear configuration through the body allows drill access from the air cleaner connection point on the intake pipe, solving the manufacturing difficulty while maintaining structural simplicity.
2Ease of manufacture
If a linear bypass passage is formed by drilling from one position, then the manufacturing process is simplified, but the structural integrity of the connection portion may be compromised
Solution Approach 1:
The invention introduces asymmetry by adding projecting portions to the connection base that locally reinforce the areas around the bypass passages. This asymmetric reinforcement is applied only where needed (at the bypass passage locations) rather than uniformly throughout, maintaining overall structural integrity while enabling easy drilling of linear bypass passages.
Solution Approach 2:
The connection base is designed with non-uniform thickness, featuring thicker projecting portions at specific locations where bypass passages are formed. This local quality enhancement provides targeted structural reinforcement at the drill entry/exit points and passage routes, ensuring connection portion integrity is maintained despite the drilling process.
Data Source
AI summary
The intake control apparatus (1) includes a body (4) which integrally includes intake pipes (2a) and (2b). The body (4) includes a linear bypass passage (10a), which passes through thereinside, one end of which opens upstream of a valve body (5) of the intake pipe (2a), and the other end of which opens downstream of the valve body (5) of the intake pipe (2b).