Beverage dispensing machine
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Solution Overview
Problem
Existing beverage dispensing machines for aircraft and similar applications lack simplicity and safety in operation, often requiring complex handle systems, hydraulic closures, and user-activated jug locking mechanisms, which can lead to spills and operational inefficiencies.
Innovation Solution
A compact coffee machine with a resiliently actuated drawer system for American coffee pods, a handle-free coffee extraction chamber, automatic jug locking with an integrated overflow system, and a piezoelectric keypad for easy operation, eliminating the need for handles and hydraulic systems, and incorporating a quick-release jug retention mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If complex handle systems and hydraulic closing systems are used for the coffee extraction chamber, then the closing function is achieved, but the device complexity increases and ease of operation deteriorates
Solution Approach 1:
The patent removes handles and hydraulic closing systems from the coffee extraction chamber, extracting the problematic components that caused complexity and operational difficulty. The chamber is designed to close automatically without requiring user interaction with handles or complex mechanical systems.
Solution Approach 2:
The coffee extraction chamber is designed to close automatically through its own structural mechanism without requiring external handles or hydraulic assistance. The system serves itself by utilizing the insertion motion of the drawer to trigger automatic closing through integrated guides and latch mechanisms.
2Reliability
If user-activated jug locking mechanisms are used, then the jug can be secured, but the ease of operation deteriorates and reliability decreases due to potential user error
Solution Approach 1:
The jug locking mechanism operates automatically based on the position of the drawer. When the drawer is inserted, the jug is pulled forward and locked into position through an automatic latch system. When the drawer is removed, the jug is automatically released. This eliminates the need for user activation and ensures reliable operation without human error.
Solution Approach 2:
The locking mechanism receives feedback from the drawer position through mechanical linkage. The system automatically detects whether the drawer is inserted or removed and相应地 locks or releases the jug, creating a closed-loop control system that enhances reliability without requiring user judgment or action.
3Object-generated harmful factors
If no anti-drip device is used in the extractable drawer, then the device complexity is reduced, but harmful factors increase due to potential spills
Solution Approach 1:
The anti-drip device is pre-positioned in the extractable drawer to close the outlet automatically when the drawer is inserted. This preliminary action prevents spills before they can occur by ensuring the outlet is sealed during the coffee preparation process, eliminating the need for user intervention to prevent dripping.
Solution Approach 2:
The patent integrates the anti-drip function directly into the drawer structure through a lever system with a ball that automatically closes the outlet. This extracts the spill-prevention function from separate complex mechanisms and incorporates it into the basic drawer operation, minimizing additional complexity while maximizing spill protection.
4Volume of moving object
If a compact water heating system is used, then the volume of the machine is reduced, but the ability to dispense large quantities of beverage may be compromised
Solution Approach 1:
The beverage dispensing system is segmented into two independent pathways: a compact water heating system for preparing beverages in the jug, and a separate direct hot water dispensing nozzle for immediate hot water service. This segmentation allows the machine to maintain a compact footprint while providing large quantities of hot water through the dedicated nozzle, and prepared beverages through the jug system.
Solution Approach 2:
The hot water generation system serves multiple functions: it provides hot water to the jug for beverage preparation and simultaneously provides hot water through the external nozzle for direct dispensing. This multi-functionality allows the compact heating system to support both large-volume beverage preparation and immediate hot water service without requiring separate heating systems.
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
Enables safe, simple, and continuous dispensing of beverages with reduced risk of spills and improved operational efficiency, ensuring reliable performance in aviation and other applications.
Implementation Method 1
a piezoelectric keypad for activating the functions
Implementation Method 2
the devices of the machine use advantageously resilient means which are preferably in the form of springs
Data Source
AI summary
A beverage dispensing machine designed for aircraft use has compact dimensions, is low-weight and satisfies the safety requirements and standards applicable in that sector. The beverage dispensing machine can dispense both large quantities of a beverage, such as 1.6 liters of American coffee or tea, inside a jug positioned inside an appropriate seat, and smaller quantities of hot water (typically 150 ml), which can be used to prepare beverages, via a nozzle situated on the outside thereof. In one embodiment, the beverage dispensing machine includes a bottom jug retention system having a locking lever hinged on spiral seats to keep the jug stationary during the dispensing of the beverage.