Sequential Valve Mechanism for Leak-Safe Beverage Transfer
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Solution Overview
Problem
Existing beverage preparation machines face issues with unreliable fluid communication between receptacles, leading to potential burning hazards and hygiene concerns due to unintended leakage during the transfer of hot liquids, as the fluid path can be abruptly terminated, causing spills and safety risks.
Innovation Solution
A valve mechanism with two interengaging valve body portions that form a closed fluid passage, where the fluid passage is only opened sequentially, ensuring that the first partial communication is established before the second, and automatically closed when the receptacles are separated, preventing leakage and ensuring safe transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a valve mechanism is used to establish fluid communication between two receptacles, then beverage transfer is enabled, but leakage and burning hazards occur when the fluid communication is abruptly terminated during removal
Solution Approach 1:
The fluid communication path is segmented into multiple sections with separate valve mechanisms. The first valve controls communication between the beverage container and valve body, while the second valve controls communication between the valve body and the receiving container. This segmentation allows independent control of each communication stage, enabling the first valve to close before the second valve opens, thereby preventing hot liquid leakage during receptacle removal.
Solution Approach 2:
The valve mechanism is designed to preliminarily establish the first fluid communication path between the beverage container and valve body before establishing the second communication path to the receiving container. This preliminary action ensures that the beverage is ready for transfer and the first connection is secure before opening the second connection, preventing unintended leakage when receptacles are separated.
2Ease of operation
If a simple valve mechanism is used for beverage transfer, then ease of operation is improved, but unintended leakage occurs during abrupt termination of fluid communication
Solution Approach 1:
The valve mechanism is divided into two separate valve bodies (first and second) that independently control different stages of fluid communication. This segmentation maintains operational simplicity while reliably preventing leakage by ensuring the first valve closes before the second valve opens during receptacle removal, addressing both ease of operation and reliability requirements.
3Productivity
If fluid communication is established between two receptacles, then beverage transfer is enabled, but spilling occurs when the communication path is abruptly terminated
Solution Approach 1:
The beverage transfer process is segmented into two controlled stages: first establishing communication between the beverage container and valve body, then establishing communication between the valve body and receiving container. The segmented valve mechanisms ensure that the first communication path is closed before the second path is opened during removal, preventing hot liquid spilling while maintaining efficient transfer capability.
Solution Approach 2:
The valve body acts as an intermediary component between the beverage container and the receiving container. This intermediary structure with its two separate valve mechanisms allows controlled establishment and termination of fluid communication paths, ensuring safe beverage transfer and preventing spilling when receptacles are separated.
Data Source
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AI summary
The present invention pertains to a valve mechanism for use in beverage preparation machines, which enables transfer of the beverage content from one receptacle to another receptacle, said valve mechanism establishing a fluid communication such that a second communication path is not established before establishment of a first communication. Safe operation is achieved due to the fact that a fluid passage in an first valve body (1) is not opened until a top receptacle is fully positioned. Further during removal of the same, said fluid passage is automatically closed before the closed block configuration of two valve bodies (1, 7) is divided.