Steam production system for professional coffee machines
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Solution Overview
Problem
Professional coffee machines have large, energy-intensive steam production and dispensing systems that increase energy consumption and machine dimensions, hindering optimal internal component arrangement.
Innovation Solution
A steam production system with a compact 1-liter boiler and a heating assembly, utilizing a programmable electronic unit to coordinate steam production between the boiler and heating assembly for instantaneous steam delivery, reducing energy consumption and machine size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If large boilers are used to guarantee instantaneous steam production, then steam production capability is improved, but energy consumption increases
Solution Approach 1:
The steam production system is segmented into a small boiler (≤1 liter) for rapid heating and a heating assembly for instantaneous steam generation. The boiler provides initial steam and hot water, while the heating assembly supplements steam production during high-demand periods, dividing the workload to reduce overall energy consumption while maintaining instantaneous steam capability.
Solution Approach 2:
The small boiler continuously maintains a reservoir of hot water and initial steam supply in advance. This preliminary preparation allows the system to respond instantly to steam demands without requiring a large boiler to be continuously heated, reducing energy waste while ensuring immediate steam availability.
2Productivity
If large boilers are used to guarantee instantaneous steam production, then steam production capability is improved, but machine dimensions increase
Solution Approach 1:
The steam production function is segmented between a compact boiler (≤1 liter) and a separate heating assembly. This segmentation allows the boiler to be small in volume while the heating assembly handles additional steam generation requirements, maintaining instantaneous steam production capability without requiring a large single boiler unit.
Solution Approach 2:
Instead of increasing boiler volume to meet steam demand, the system adds a heating assembly as a supplementary component in a different dimensional approach. This allows the boiler to remain compact while the heating assembly provides additional steam generation capacity when needed, effectively solving the volume-productivity contradiction.
3Productivity
If large boilers are used to guarantee instantaneous steam production, then steam production capability is improved, but internal space for component arrangement decreases
Solution Approach 1:
By segmenting the steam production system into a small boiler and a heating assembly, the patent creates modular components that can be efficiently arranged within the machine. This segmentation frees up internal space compared to a single large boiler, while maintaining instantaneous steam production capability through coordinated operation of both components.
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 ensures immediate steam response with reduced energy use and smaller boiler volume, freeing up internal space for better component arrangement.
Implementation Method 1
at least one heating device (4a), preferably an electrical heating device, such as an electrical heating element, whose task is to ensure at least the initial production of steam
Implementation Method 2
heating assembly (5) for instantaneous production of steam
Data Source
AI summary
A steam production system for professional coffee machines includes a nozzle; a boiler for producing steam in flow communication with a water source and the nozzle. The boiler is equipped with an independent heating device for the initial production of steam. The system further includes a heating assembly to instantaneously produce steam in flow communication with the boiler and/or the nozzle. The heating assembly includes an electric heating element; a heat exchanger associated with the electric heating element; and a water passage circuit associated with the heat exchanger which has an inlet joined to a water supply source or to a duct arriving from the latter and an outlet of the produced steam connected to the boiler and/or to the nozzle. The system also includes a programmable electronic unit operatively connected to the boiler and to the heating assembly to ensure the supply of steam to the nozzle.