Grille attachment system for a ventilation system
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Solution Overview
Problem
Conventional ventilation fan grille installation is difficult due to the need to compress springs and position them correctly, often obstructed by the grille, making it hard for users to see the spring and bracket connections, requiring minimal user effort for easier installation.
Innovation Solution
A ventilation system with a trim ring and plate configuration, where the trim ring has a rail with a clearance gap and mounting bosses for easy spring connection, and a plate with magnets for secure attachment, allowing unobstructed access and visibility during installation, and facilitating easy removal and installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional grille springs are used to retain the grille to the fan housing, then the grille can be securely attached, but the installation becomes difficult due to the need to compress springs and position them correctly in a confined space
Solution Approach 1:
The grille assembly is segmented into multiple components: the grille body, individual springs, and separate mounting brackets. This segmentation allows each component to be independently positioned and installed, reducing the complexity of simultaneous coordination required during installation while maintaining secure attachment through the combined action of multiple discrete elements
Solution Approach 2:
Mounting brackets are introduced as intermediary elements between the grille springs and the fan housing. These brackets serve as mediators that simplify the installation process by providing pre-positioned attachment points, eliminating the need for users to directly compress and position springs into tight spaces, while still achieving reliable grille retention
2Reliability
If the grille is positioned adjacent to the fan housing during installation, then the grille can be secured to the housing, but the user's view of the spring and bracket connections is obstructed
Solution Approach 1:
The mounting brackets are pre-positioned on the fan housing before the grille is installed. This preliminary action allows users to verify bracket placement and prepare attachment points in advance, improving visibility and access during the installation process while ensuring reliable connection points are established before the grille obscures the view
Solution Approach 2:
The mounting brackets extend outward from the fan housing in a direction that provides vertical clearance above the grille plane. This dimensional extension creates an accessible workspace above the grille where spring attachment can occur with unobstructed visibility, separating the connection action from the grille's horizontal plane
3Reliability
If the grille is held adjacent to the fan housing, then the grille can be installed, but there is little room for the user's hands to manipulate the springs and brackets
Solution Approach 1:
Mounting brackets serve as intermediary elements that extend the attachment interface away from the confined space between the grille and fan housing. These brackets provide remote attachment points that are accessible to user hands, eliminating the need to manipulate springs in the cramped space while still achieving reliable grille retention through the bracket-mediated connection
Solution Approach 2:
The mounting brackets extend vertically above the grille plane, creating an elevated workspace that provides ample hand access. This dimensional relocation of the attachment interface from the horizontal plane to the vertical dimension resolves the space constraint issue, allowing users to comfortably manipulate springs and secure connections without crowding
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
Enables easier and more efficient installation of the grille by providing clear access and visibility of the spring and bracket connections, reducing user effort and simplifying the process while maintaining aesthetic appeal and ventilation functionality.
Implementation Method 1
a magnet extending from an outer periphery of the plate is provided and is selectively attractable to the trim ring
Data Source
AI summary
A ventilation grille having a trim ring and a plate releasably connected to the trim ring. The trim ring defines an aperture allowing connection of the trim ring to a main housing of a ventilation system defining an internal region in which a blower is located. The plate is releasably connected to the trim ring to allow access to the trim ring aperture for connection of the trim ring to the main housing or blower and disconnection of the trim ring from the main housing or blower.