Grille attachment system for a ventilation system
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Solution Overview
Problem
Conventional ventilation fan grilles are difficult to install due to the need for compressing springs and often require elevation, making the process cumbersome and inefficient.
Innovation Solution
A grille system with a trim cover and grille cover design that uses hangers and clips for easy installation, allowing the grille cover to be biased by gravity for secure engagement with the base, eliminating the need for spring compression and reducing installation effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional grille springs are used to retain the grille, then the grille can be securely held, but the installation becomes difficult requiring simultaneous spring compression and positioning
Solution Approach 1:
The grille assembly is segmented into separate components: a trim cover that attaches to the housing, and a grille cover that attaches to the trim cover. This segmentation allows each component to be installed independently using simple attachment mechanisms (hangers and clips) rather than requiring complex coordinated assembly of springs and grilles simultaneously.
Solution Approach 2:
Hangers and clips serve as intermediary elements between the housing/trim cover and the grille cover. These intermediaries provide simple attachment points that eliminate the need for complex spring compression mechanisms, allowing the grille to be secured through straightforward hanging and clipping actions.
2Shape
If the ventilation fan is installed in a ceiling, then the grille can be positioned out of the way, but the user must be elevated to install the grille
Solution Approach 1:
The trim cover is pre-assembled with hangers attached to the housing before the final grille installation. This preliminary action creates ready-to-use attachment points that simplify the subsequent grille cover installation, allowing it to be hung easily without requiring the installer to reach into tight ceiling spaces to manipulate springs or fasteners.
3Ease of operation
If the grille cover engages the base using gravity bias, then installation effort is reduced, but the engagement mechanism must be designed to ensure secure attachment
Solution Approach 1:
The grille cover is designed to engage the base through gravity-assisted self-alignment. The clip mechanism automatically orients itself as the grille cover is lowered into place, eliminating the need for manual alignment or complex adjustment mechanisms. The engagement occurs naturally through the force of gravity, reducing installation effort while maintaining secure attachment.
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
Facilitates easy and efficient installation of ventilation system grilles without the need for elevated access, enhancing user convenience and reducing installation complexity.
Implementation Method 1
The grille cover can be configured to be biased by gravity to engage the base
Data Source
AI summary
A ventilation system having a housing defining an internal region and the housing configured to be positioned adjacent to a room of a building structure, a blower in the internal region and configured to draw air out of the room of the building structure, and a grille configured to at least partially block view of the housing and the blower. The grille has a trim cover configured to connect to at least one of the main housing, the blower and the room. The trim cover has at least one side element configured to define an aperture and a hanger connected to the at least one side element. The hanger has a base. A grille cover is configured to engage the base.