Refrigerator Door Keg Dispenser with Concealed Spigot
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Solution Overview
Problem
Existing keg dispensers for home use suffer from issues such as excessive foaming, unsightly appearance, high cost, complex installation, lack of compatibility with smaller kegs, and inadequate gas management, making them impractical for residential settings.
Innovation Solution
A compact, aesthetically designed keg dispenser with a concealed spigot and drip tray, featuring adiabatic cooling and Peltier-effect-based cooling, multiple gas management options, and automated door mechanisms, capable of handling various keg sizes and gases, including slim kegs, while minimizing foam and maintaining temperature consistency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If a separate blower is added to force cool air into the column, then foaming is minimized, but the cost and complexity of the unit increases
Solution Approach 1:
The invention extracts the spigot and drip tray from the traditional column structure and relocates them to the refrigerator door, eliminating the need for a separate blower device. The cooling is achieved passively through the refrigerator's existing cooling system, removing the harmful foaming effect without adding complex hardware.
Solution Approach 2:
The invention uses the refrigerator door as an intermediary structure to house the spigot and drip tray, allowing the system to leverage the existing refrigeration cooling without requiring additional active cooling components like blowers. This mediator approach resolves the foaming issue while maintaining simplicity.
2Ease of manufacture
If the spigot is attached directly to the refrigerator door, then the appearance is improved and installation is simplified, but the refrigerator door may be damaged and the warranty voided
Solution Approach 1:
The invention segments the dispensing system into a separate, removable unit that attaches to the refrigerator door without permanent modification. The spigot assembly is designed as a discrete component that can be mounted and removed without drilling into the door, preserving the refrigerator's integrity while enabling easy installation.
Solution Approach 2:
The invention applies local quality by creating a specific mounting area on the refrigerator door that is designed for the spigot attachment. This localized approach allows the spigot to be mounted in a predetermined location that does not compromise the overall structural integrity of the door, maintaining both installation simplicity and refrigerator reliability.
3Ease of operation
If a traditional column structure is used, then the dispensing function is provided, but the appearance is unsightly and the tubing cooling is inadequate
Solution Approach 1:
The invention extracts the spigot and drip tray from the traditional column structure and relocates them to the refrigerator door. This eliminates the unsightly external column while maintaining the dispensing function. The tubing is re-routed to connect the keg inside the refrigerator to the spigot on the door, allowing adequate cooling throughout the entire path without the aesthetic burden of a visible column.
4Object-generated harmful factors
If commercial-grade dispensing equipment is used, then foaming is controlled and dispensing is reliable, but the cost and maintenance requirements are too high for residential use
Solution Approach 1:
The invention enables the residential refrigerator to serve itself as a dispensing system. By utilizing the existing refrigeration cooling and simply adding a spigot assembly to the door, the system achieves reliable foam-controlled dispensing without requiring complex commercial-grade equipment. The refrigerator's own cooling system provides the necessary temperature control to prevent foaming.
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
The dispenser effectively reduces foaming, provides easy operation and maintenance, accommodates different keg sizes, and integrates seamlessly into home decor, offering convenient gas management and user control features.
Implementation Method 1
The cooling unit can operate on the principal of adiabatic cooling of a compressed refrigerant
Implementation Method 2
The cooling unit can operate on the principal of adiabatic cooling of a compressed refrigerant and/or include a Peltier-effect-based thermo electric cooler
Data Source
Figure 1
Figure 2A
Figure 2B~2C
AI summary
A keg dispenser for dispensing and housing a beverage contained within a keg the dispenser comprising an upper column, a keg compartment, and a spigot. The dispenser allows the user to switch from one type of beverage to another with minimal adjustments all while maintaining an eye pleasing yet compact design.