Device for extracting cooking vapors
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Solution Overview
Problem
Existing cooking vapor extraction devices and hob systems lack efficient mechanisms for closing and opening cooking vapors entry openings, leading to suboptimal fluid mechanics and potential component protrusion beyond the hob plane, which complicates construction and increases the risk of liquid ingress and odor leakage.
Innovation Solution
A device with a closure element that utilizes a combination of rotary and linear movement components, guided by a slotted link mechanism, to reposition between terminal positions, ensuring the cooking vapors entry opening is closed or opened without projecting beyond the hob plane, thereby improving fluid mechanics and preventing liquid ingress and odor leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a closure element is used to close the cooking vapors entry opening, then liquid ingress and odor leakage are prevented, but the device complexity increases due to the need for activation installation with multiple movement components
Solution Approach 1:
The patent combines multiple movement components (rotary and linear) into a single integrated activation installation. The closure element is coupled to the activation installation such that one activating movement simultaneously generates both rotary and linear movement components, merging what would otherwise be separate actuation mechanisms into a unified system that reduces overall complexity while maintaining the required sealing functionality.
2Reliability
If the closure element is repositionable between terminal positions with rotary and linear movement components, then fluid mechanics are improved, but the ease of manufacture decreases
Solution Approach 1:
The patent employs a dynamic closure element that can be repositioned between terminal positions with defined orientations. The closure element is designed to perform both rotary and linear movements during actuation, allowing it to adapt its position and orientation to optimize fluid mechanics performance. This dynamic repositioning capability enables the closure element to maintain optimal sealing contact and alignment with the cooking vapors entry opening, improving fluid mechanics while the integrated activation installation manages the manufacturing complexity.
3Device complexity
If the cooking vapors entry installation is kept stationary, then construction is simplified and component protrusion is prevented, but the ease of operation decreases
Solution Approach 1:
The patent segments the system into a stationary cooking vapors entry installation and a movable closure element with integrated activation. By keeping the main installation stationary and simplifying its construction, the patent prevents component protrusion beyond the hob plane. The closure element is designed as a separate, movable component that can be actuated independently, allowing complex actuation sequences (rotary and linear movements) to be contained within the closure element assembly rather than requiring complex mechanisms in the stationary installation.
Data Source
AI summary
A device for extracting cooking vapors includes a repositionable closure element which in the repositioning between two terminal positions has at least one rotary movement component and at least one linear movement component.