Device for removing cooking vapours
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Solution Overview
Problem
Existing cooking fume extraction devices face inefficiencies in vapor flow management, leading to unwanted flow losses and potential odor escape, due to the design of closure elements that can interfere with the cooking vapor flow when positioning.
Innovation Solution
A closure element with a combination of rotational and linear movement components, actuated by a motor-driven system, is designed to move between end positions outside the vapor flow area, ensuring minimal interference and efficient extraction by maintaining the cooking vapor inlet opening's integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a closure element is used to close the cooking vapor inlet opening, then odor escape is prevented, but the closure element may interfere with the cooking vapor flow when positioning
Solution Approach 1:
The closure element is moved from a two-dimensional planar position to a three-dimensional position outside the flow area by combining linear and rotational movements. This dimensional transition allows the closure element to seal the inlet opening effectively while being positioned outside the cylindrical flow area, preventing interference with vapor flow.
Solution Approach 2:
The actuating device with motor serves as an intermediary mechanism that precisely controls the closure element's position. The motor-driven linear and rotational movements enable the closure element to transition between sealed and retracted positions, mediating between the need for odor prevention and flow efficiency.
2Object-affected harmful factors
If the closure element is positioned to seal the inlet opening, then odor escape is prevented, but the closure element may be in the flow area causing interference
Solution Approach 1:
The closure element transitions from within the flow area to outside the flow area by combining linear displacement with rotational movement. This allows the element to maintain sealing function while being positioned in a dimension where it no longer interferes with the vapor extraction flow.
Solution Approach 2:
The closure element is designed with dynamic positioning capability, moving between a retracted position outside the flow area during extraction and a sealed position at the inlet opening for odor prevention. This dynamic behavior optimizes both extraction efficiency and sealing function.
3Ease of operation
If a motor-driven actuating device is used to move the closure element, then smooth operation is achieved, but the device complexity increases
Solution Approach 1:
The manual or complex mechanical actuation system is replaced with a motor-driven system. The motor provides smooth, controlled linear and rotational movements of the closure element, simplifying the operation while the integrated design keeps the overall complexity manageable.
Data Source
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AI summary
The invention relates to a device (4) for removing cooking vapors, comprising a movable closure element (6) which, upon a displacement between two end positions, has at least a rotational movement component and at least one linear movement component.