Mist Generating Apparatus for Vehicle Cabin Coating
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Solution Overview
Problem
Existing surface cleaning and preparation processes for vehicles in assembly lines face challenges in effectively removing foreign materials like dust and dirt from becoming airborne during coating processes, risking contamination and defects in the finish.
Innovation Solution
A mist generating apparatus with a frame assembly, extension assembly, and spray nozzles is used to direct a fine mist of volatile liquid into the vehicle cabin, suppressing foreign materials from becoming airborne by temporarily adhering to them and preventing them from interfering with surface treatments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If automated mechanical and vacuum surface cleaning processes are used, then foreign material removal is attempted, but the effectiveness is limited and there is a risk of damaging or scarring surfaces
Solution Approach 1:
The patent replaces mechanical cleaning systems (brushes, vacuums) with a non-contact mist generation system. Compressed air propels a fine mist of volatile liquid onto the substrate, eliminating mechanical contact that causes surface damage while effectively suppressing foreign material through liquid adhesion and evaporation mechanisms
Solution Approach 2:
The patent utilizes phase transition of the volatile liquid from liquid to vapor. The mist is applied in liquid form to suppress foreign material, then the liquid evaporates completely, leaving no residue and avoiding the damage associated with mechanical removal methods
2Manufacturing precision
If paint booths and spray-coating booths are kept clean and dust free, then coating quality is improved, but foreign material can still become airborne during surface treatment processes
Solution Approach 1:
The patent applies the mist treatment before the coating process begins. By suppressing foreign material on the substrate surface prior to coating application, the system prevents contamination from occurring during the coating process, even in otherwise clean environments
Solution Approach 2:
The volatile liquid mist acts as an intermediary between the substrate and airborne foreign material. The liquid adheres to foreign material particles, weighing them down and preventing them from becoming airborne and contaminating the coating, then evaporates without leaving residue
3Manufacturing precision
If a mist of volatile liquid is applied to suppress foreign material, then airborne particles are reduced by at least 55%, but the apparatus requires complex frame and extension assemblies for positioning
Solution Approach 1:
The patent employs movable and adjustable components including an extension assembly that can extend and retract, and positioning mechanisms that allow the mist generation apparatus to be adjusted to different locations. This dynamic positioning capability enables effective application while maintaining operational flexibility
Solution Approach 2:
The apparatus is divided into separate functional modules: a frame assembly providing structural support, an extension assembly for reaching different positions, a manifold for fluid distribution, and spray nozzles for mist generation. This segmentation allows each component to be optimized independently and facilitates maintenance and adjustment
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 system reduces airborne particles by at least 55% and dirt pick-up by at least 3.5%, ensuring a cleaner substrate for effective surface coating applications.
Implementation Method 1
directing a mist of the volatile liquid to a portion of the substrate for, at least temporarily, suppressing foreign material
Implementation Method 2
The liquid can then be evaporated without leaving any residue on the substrate
Data Source
AI summary
A mist generating apparatus is provided for suppressing foreign material from becoming airborne prior to an application of a surface coat or treatment to a substrate. The assembly includes a frame assembly that may include a base mount and an intermediate mount movably coupled to the base mount. The apparatus includes an extension assembly movably coupled to the frame assembly and selectively positioned between a retracted position and an extended position. A manifold is coupled to the extension assembly, and the manifold is in fluid communication with a volatile liquid. The apparatus includes a spray nozzle in fluid communication with the manifold. The spray nozzle is configured for directing a mist of the volatile liquid to a portion of the substrate for at least temporarily suppressing foreign material.