Integrated Fan-Light Housing for Cooling and Independent Illumination
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Solution Overview
Problem
Conventional lighting and ventilating systems often have a bulky appearance, inefficient designs, and lack adequate cooling for the light fixture, with limited functionality, including the inability to provide lighting when the ventilating system is quiescent.
Innovation Solution
A lighting and ventilating system with a main housing that includes a fan wheel for air flow, a grille with apertures for air intake, and a set of illumination devices that can be configured to emit dynamic illumination, allowing for independent ventilation and lighting, with options for different illumination intensities and automatic activation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional lighting and ventilating systems combine elements of a conventional room ventilating fan with a light fixture, then ventilation and lighting functions are integrated, but the apparatus has a bulky and unaesthetic appearance
Solution Approach 1:
The patent combines the ventilating fan and light fixture into a single integrated unit, where the light fixture housing serves as the fan housing. The illumination devices are positioned within the fan housing, and the grille serves both as a decorative cover and as air intake/exit structure with apertures. This merging eliminates the need for separate ventilation and lighting apparatuses, reducing overall bulk while maintaining both functions.
Solution Approach 2:
The fan housing serves multiple functions: it houses the ventilating fan, provides structural support for the light fixture, and integrates the grille assembly. The grille serves dual purposes as both a decorative element and a functional air intake/exit structure. The illumination devices can operate independently or with the ventilating system, providing versatile lighting options including ambient, task, and accent lighting functions.
2Adaptability or versatility
If conventional lighting and ventilating systems employ a complicated design, then multiple functions are achieved, but the component arrangement is inefficient
Solution Approach 1:
The patent divides the integrated unit into distinct functional modules: the fan housing containing the motor and blades, the grille assembly with apertures for air flow, the illumination devices (ambient light, task light, accent light), and the control system. Each module is designed independently but integrates seamlessly with others, allowing for efficient component arrangement and maintenance while achieving multiple functions.
Solution Approach 2:
The patent utilizes vertical space within the fan housing to accommodate multiple illumination devices at different positions and angles. The ambient illumination provides general lighting, task illumination offers directed lighting for specific areas, and accent illumination highlights architectural features. This multi-dimensional arrangement of lighting elements within the three-dimensional fan housing space achieves comprehensive lighting coverage without increasing overall device complexity.
3Device complexity
If conventional lighting and ventilating systems fail to adequately cool the light fixture, then the design is simpler, but the light fixture overheats
Solution Approach 1:
The grille assembly acts as an intermediary structure that facilitates heat dissipation from the light fixture. The apertures in the grille allow air to flow across the illumination devices and fan motor, carrying away heat generated during operation. This passive cooling mechanism is integrated into the design without requiring additional active cooling components, maintaining simplicity while effectively managing temperature.
Solution Approach 2:
The ventilating system operates continuously to provide both air circulation for cooling and ventilation functions. The fan motor runs continuously or intermittently depending on conditions, maintaining a constant flow of air through the grille apertures that continuously removes heat from the light fixture and provides fresh air to the space. This continuous operation ensures sustained cooling effectiveness.
4Adaptability or versatility
If conventional lighting and ventilating systems include only one illumination source, then the design is simpler, but lighting functionality is limited
Solution Approach 1:
The patent implements different types of illumination devices with distinct characteristics suited for different purposes: ambient illumination provides general diffuse lighting for overall space illumination, task illumination offers focused directional lighting for specific work areas, and accent illumination creates highlighted zones for architectural or decorative features. Each illumination type has its own control and positioning, allowing independent adjustment to meet specific lighting needs in different zones of the space.
Solution Approach 2:
The illumination system is designed to be dynamically controllable, with each illumination device or group of devices independently adjustable in intensity and timing. The system can adapt to different operational modes: full lighting when ventilation is active, partial lighting when ventilation is reduced, or selective lighting for specific tasks. The illumination devices can be controlled via switches, dimmers, or automated controls that respond to ventilation system operation, time of day, or user preferences, providing dynamic lighting adaptation without requiring complex mechanical adjustments.
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 provides efficient ventilation and customizable lighting, ensuring illumination even when the ventilating system is not actively ventilating, enhancing both functionality and aesthetics.
Implementation Method 1
A fan wheel can be supported in the main housing and it can be operable to generate a flow of air
Data Source
AI summary
Embodiments of the invention provide a lighting and ventilating system including a main housing. The main housing can include an inlet through which air can be received within the main housing and an outlet through which the air can exit the main housing. A fan wheel can be supported in the main housing and it can be operable to generate a flow of air. A grille can be coupled to the main housing and the grille can comprise at least one aperture. The system can include a plate coupled to the grille and the plate can include a recess. Also, a set of illumination devices can be at least partially disposed within the recess.