Vehicle Engine Intake Layout for Shielding Heat-Sensitive Devices
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing engine intake structure for vehicles can inadvertently transfer high ambient temperatures from the engine room to in-vehicle devices, potentially exceeding their preset temperature control limits, especially when the vehicle is stopped or the ignition is off.
Innovation Solution
The engine intake structure features an intake passage member with a resonator chamber that extends above and partially overlaps the in-vehicle device, forming a two-layer structure, allowing for better temperature isolation. This configuration includes a three-piece structure of lower, middle, and upper members, with the resonator chamber extending along and partially surrounding the intake passage, and communication passages to reduce resonance interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the intake passage member is positioned above the in-vehicle device to shield it from high temperature air, then the in-vehicle device temperature is reduced, but the intake passage member may transfer heat from the upper engine room to the in-vehicle device when the resonance chamber is located laterally
Solution Approach 1:
The patent repositions the resonance chamber from a lateral position to an upper position, directly above the intake passage. This dimensional change allows the intake passage to extend through the resonance chamber vertically, creating a two-layer structure where the lower layer shields the in-vehicle device from high temperature air while the upper layer contains the resonance chamber. This spatial reconfiguration resolves the heat transfer issue by ensuring the intake passage member does not laterally contact the in-vehicle device.
Solution Approach 2:
The intake passage is nested within the resonance chamber structure, with the intake passage extending vertically through the resonance chamber. This nested configuration allows the resonance chamber to serve as an upper shield while the intake passage below it provides additional thermal protection to the in-vehicle device, creating a multi-layer thermal barrier system.
2Device complexity
If the resonance chamber is located laterally to the intake passage, then the structure is simpler, but there is a risk of heat transfer from high temperature air to the in-vehicle device
Solution Approach 1:
The patent transitions from a lateral arrangement to a vertical arrangement where the intake passage extends through the resonance chamber in the vertical direction. This dimensional change creates effective thermal shielding without significantly increasing structural complexity, as the vertical integration allows both functions to coexist in a compact configuration.
Solution Approach 2:
The patent merges the intake passage and resonance chamber into an integrated structure where the intake passage extends through the resonance chamber. This merging allows the two components to work together as a unified thermal management system, providing both air intake and thermal shielding functions simultaneously.
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 design effectively prevents the in-vehicle device from exceeding its preset temperature, maintaining optimal operating conditions by minimizing the impact of high ambient temperatures in the engine room.
Implementation Method 1
a resonance chamber (which is also referred to as a resonator chamber)
Data Source
AI summary
An engine intake structure comprises an intake passage member 18 which defines an intake passage 36 for supplying air to an internal combustion engine 12, and which also defines a resonator chamber 40 in communication with the intake passage 36; and an in-vehicle device 14 located in an engine room 10 of a vehicle and having a preset reference temperature for temperature control, the intake passage member 18 being located above and adjacent to the in-vehicle device 14. The intake passage 36 extends above the in-vehicle device 14 so as to at least partially overlap the resonator chamber 40 as viewed in a vertical direction, thereby forming a two-layer structure, which makes the in-vehicle device 14 less affected by ambient temperature in the upper part of the engine room 10.