Beverage Machine Inflow Penetrator Design for Foam Refinement Control
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Solution Overview
Problem
Beverage preparation machines lack effective management systems for controlling foam during beverage preparation, particularly for beverages that foam, such as coffee, resulting in inconsistent crema quality.
Innovation Solution
The machine incorporates a directing guide with an inflow penetrator and deflector, which refines beverage foam by penetrating and deflecting the beverage flow, creating a flow cavity with retaining walls to manage foam and direct the beverage to a user-recipient, and includes a movable directing guide for easy maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a beverage preparation machine is used to prepare foaming beverages, then the beverage can be dispensed, but the foam quality (crema) is inconsistent and uncontrolled
Solution Approach 1:
The beverage flow is segmented into multiple paths using the inflow penetrator and deflector, creating separate zones for foam refinement and liquid flow. This segmentation allows independent control of foam characteristics while maintaining a relatively simple overall structure.
Solution Approach 2:
The inflow penetrator and deflector act as intermediary elements between the beverage outlet and the cup, mediating the foam formation process. These components create a flow cavity that refines foam before it reaches the user, improving crema quality without requiring complex control systems.
2Ease of repair
If the directing guide is fixed in position, then foam management is effective, but maintenance and cleaning become difficult
Solution Approach 1:
The directing guide is designed with movable components, specifically the inflow penetrator that can be displaced from its initial position. This dynamic design allows the directing guide to be removed or adjusted for easy cleaning and maintenance while maintaining its foam management function during operation.
Solution Approach 2:
The directing guide is divided into separable components including the inflow penetrator, deflector, and flow cavity elements. This segmentation allows individual components to be removed for cleaning without disassembling the entire machine, maintaining foam management effectiveness while improving accessibility for maintenance.
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
This solution ensures controlled foam formation and improved foam management, enhancing the quality of dispensed beverages like coffee by refining the crema and allowing for easy maintenance and cleaning of the machine.
Implementation Method 1
an inflow penetrator (12) for penetrating a flow of beverage (100) delivered by the unit outlet (51) onto the penetrator (12) prior to reaching the bottom (10b) of the flow cavity (10a)
Data Source
AI summary
A machine (1) for dispensing a beverage (100) has: a beverage directing guide (10) for directing by the directing guide (10) beverage (100) to an area (2) for placing a user-recipient; and a beverage processing unit (5) having a unit outlet (51) via which liquid (100,101) is passed from the beverage guide (50) to the directing guide (10) that is located below the unit outlet (51). The directing guide (10) has a flow cavity (10a), a bottom (10b) and sidewalls (10c) such that the bottom (10b) and the sidewalls (10c) delimit the flow cavity (10a). The directing guide (10) has an inflow penetrator (12) for acting on a flow of beverage (100) delivered by the unit outlet (51) onto the penetrator (12) prior to reaching the bottom (10b) of the flow cavity (10a).