Ventilation Profile with Modular Fan Device for Controlled Airflow
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Solution Overview
Problem
Conventional ventilation systems in buildings are inefficient as they rely heavily on external wind conditions and require significant modifications for installation, limiting their effectiveness and adaptability.
Innovation Solution
A ventilation device equipped with a fan, mounting frame, power source, and control unit, which can be easily integrated into existing ventilation profiles, allowing for controlled and efficient airflow without major modifications, with options for multiple fan configurations and power sources including solar panels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional ventilation profiles are used without active ventilation components, then the device complexity is low and installation is simple, but the ventilation efficiency is insufficient and dependent on external wind conditions
Solution Approach 1:
The patent combines a passive ventilation profile with an active ventilation device into a single integrated unit. The active device includes a fan, power source, and control unit that are mounted within or on the ventilation profile, creating a hybrid system that maintains the simplicity of passive profiles while adding active ventilation capability to improve airflow efficiency.
Solution Approach 2:
The ventilation profile is designed to serve multiple functions: it acts as both a passive ventilation opening and houses an active ventilation device. The profile structure accommodates the fan, power source, and control components while maintaining its original aesthetic and structural role in the building facade.
2Productivity
If active ventilation devices with fans and power sources are integrated into ventilation profiles, then ventilation efficiency is improved, but the ease of manufacture and installation deteriorates due to major modifications required
Solution Approach 1:
The active ventilation device is designed as a separate, modular unit that can be manufactured independently from the ventilation profile. This segmentation allows the profile to be produced using conventional methods while the active device with its fan, power source, and control unit is manufactured as a distinct assembly that can be easily installed into the profile.
Solution Approach 2:
The active ventilation device is nested within the ventilation profile structure. The fan, power source, and control unit are housed inside the profile's cavity or mounted on its surface, allowing the compact active system to be integrated into the existing profile geometry without requiring major structural modifications.
3Ease of operation
If mounting means are designed to connect to existing cover gratings, then the ease of operation and installation is improved, but the device complexity increases due to additional mounting components
Solution Approach 1:
The mounting means are extracted as a separate functional component from the active ventilation device itself. The mounting means include connecting elements that interface with the cover grating's existing structure, allowing the active device to be easily attached without modifying the grating while keeping the mounting mechanism relatively simple.
Solution Approach 2:
The mounting means act as an intermediary between the active ventilation device and the cover grating. This intermediary component facilitates the connection by adapting to the grating's existing mounting structure, enabling easy installation without requiring complex integration or modification of either the device or the grating.
4Adaptability or versatility
If multiple fan configurations and power sources are provided, then the adaptability and versatility are improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The active ventilation device is designed with dynamic configurability, allowing the fan orientation and power source placement to be adjusted based on installation requirements. The mounting means enable the device to be oriented in different directions, and the control unit can be positioned at various locations, providing adaptability without requiring multiple different device models.
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
Enhances ventilation efficiency by providing consistent airflow regardless of external wind conditions and can be easily integrated into existing systems, offering flexible and energy-efficient operation.
Implementation Method 1
A ventilation device (3) is provided with at least one fan (31)
Data Source
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AI summary
Ventilation profile arranged in a wall, in particular in a frame provided with a window, of a space for the purpose of ventilating this space through a passage extending through the profile, wherein the ventilation profile is provided with closing means such as a flap or a tube-like member configured to close and open the passage, wherein the ventilation profile further comprises on the side toward the space a cover grating for covering the passage, wherein the cover grating is provided with connecting means co-acting with the ventilation profile, wherein the cover grating is further provided with a ventilation device provided with at least one fan, a mounting frame on which the fan is arranged, a power source operatively coupled to the fan and a control unit for controlling the fan, wherein the mounting frame is provided with mounting means configured to connect the ventilation device to the cover grating of the ventilation profile, wherein the ventilation device is connected to the cover grating using the mounting means, wherein a ventilating direction of the fan lies substantially transversely of the plane of the cover grating, wherein the ventilation device is configured to displace air through the passage.