Compact Nitrogen Beverage Dispenser Tapper Assembly
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Solution Overview
Problem
Conventional pressurized beverage dispensing systems are not practical for home use, particularly for coffee, as they occupy too much space and are not compatible with nitrogen gas, which is preferred for its flavor and mouthfeel benefits, and they typically come with pre-filled beverages limiting consumer choice.
Innovation Solution
A compact, user-fillable beverage dispenser system using pressurized nitrogen gas, comprising a tapper assembly with a container cap, tap body, and tap valve assemblies that allows for easy refilling and dispensing of brewed beverages directly from a container, utilizing a gas canister for pressurization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional keg setup with gas canister, tap handle, and tubing is used for dispensing beverages, then the beverage can be dispensed under pressure, but the system occupies too much floor space and counter space to be practical for home use
Solution Approach 1:
The patent combines the beverage container, gas canister, and dispensing mechanism into a single integrated unit. The container serves as both the beverage storage and the dispensing chamber, eliminating the need for separate kegs, tubing, and external gas cylinders. This merging of functions dramatically reduces the space required while maintaining pressure dispensing capability.
Solution Approach 2:
The gas canister is positioned to fit within or adjacent to the container structure, with the dispensing valve integrated into the container wall. The beverage flows directly from the container through an internal valve mechanism, nesting the dispensing function within the storage function. This nested arrangement minimizes the overall footprint of the system.
2Ease of operation
If CO2 gas is used as pressurizing gas in conventional systems, then the beverage can be dispensed, but CO2 creates large harsh bubbles that adversely affect the taste and mouthfeel of coffee
Solution Approach 1:
The patent changes the chemical parameter of the pressurizing gas from CO2 to nitrogen. This parameter change fundamentally alters the bubble characteristics - nitrogen produces smaller, more stable bubbles that do not create harsh mouthfeel or off-flavors in coffee. The system is designed to work with nitrogen specifically, incorporating appropriate material selections and pressure regulations optimized for nitrogen's properties.
3Device complexity
If conventional pressurized beverage systems are designed for pre-filled containers, then dispensing is simplified, but consumer choice is limited and users cannot brew their preferred beverages
Solution Approach 1:
The container is designed with a universal opening that accepts various brewing methods and beverage types. The same container and dispensing mechanism can handle cold brew, hot brew, different coffee types, and other beverages. The valve system and gas integration are designed to be beverage-agnostic, allowing users to prepare and dispense any beverage they prefer while maintaining the simplicity of pressurized dispensing.
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 system provides a space-efficient, user-friendly method for dispensing coffee and other beverages using nitrogen, allowing consumers to brew their preferred beverages and maintain flavor quality, while being compact enough for kitchen use.
Implementation Method 1
Gas pressure applied to the top surface of the beverage inside the container forces the beverage up through the flow tube and out of the opening
Implementation Method 2
Using pressurized nitrogen gas to push the beverage out of the container, on the other hand, infuses the coffee with smaller, more stable bubbles that impart a complementary flavor and smoother mouthfeel to the coffee
Data Source
AI summary
A tapper assembly for a beverage dispenser includes a container cap, a tap body, and a tap valve. The container cap includes a container interface, a canister interface, and a tap opening. The canister interface is arranged in fluid communication with the container interface and couples with a gas canister. The tap opening couples with the tap body assembly. The tap body includes a tube nozzle, a valve interface, and a faucet. The tube nozzle couples with a tube that extends from the container interface. The valve interface couples the tap body with the tap valve. The faucet provides fluid communication between the tube nozzle and the valve interface. The tap valve includes a tap nozzle and a tap valve body. The tap nozzle dispenses a beverage from the tap valve assembly. The tap valve body couples with the tap body and provides selective fluid communication at the tap nozzle.