Brewing Chamber Self-Cleaning Using Controlled Water Temperature Cycles
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing coffee machines require additional components for cleaning, increasing costs and reducing portability due to the need for separate cleaning mechanisms, which are not efficiently addressing the accumulation of coffee and foam residues in the brewing chamber.
Innovation Solution
A coffee machine with a control unit that uses data from timers and counters to manage water delivery and temperature for targeted cleaning of the brewing chamber, adjusting intensity based on usage and time since last brewing, and optionally incorporating a vibration mechanism to dislodge residues, utilizing the existing water tank and conduit without additional parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate cleaning mechanisms with additional components are used, then cleaning effectiveness is improved, but device complexity and product cost increase
Solution Approach 1:
The brewing chamber is designed to serve dual functions: coffee brewing and self-cleaning. The same chamber that brews coffee also receives cleaning solutions and performs cleaning cycles, eliminating the need for separate cleaning mechanisms and reducing overall device complexity while maintaining cleaning effectiveness
Solution Approach 2:
The brewing chamber cleans itself by receiving cleaning solutions through the existing water delivery system and using its own structure to facilitate the cleaning process, without requiring external cleaning devices or additional mechanical components
2Reliability
If separate cleaning mechanisms are added, then cleaning capability is improved, but portability deteriorates
Solution Approach 1:
The brewing chamber serves as both the brewing vessel and the cleaning receptacle, eliminating the need for separate cleaning tanks, pumps, or nozzles that would add weight and reduce portability, while still providing effective cleaning capability through multi-use of existing components
3Reliability
If water is delivered multiple times at different temperatures, then cleaning effectiveness is improved, but energy consumption increases
Solution Approach 1:
The cleaning process uses periodic water delivery cycles with varying temperatures (hot, warm, cold) to effectively remove different types of residues. This staged approach achieves thorough cleaning while managing energy consumption by not heating water continuously, instead using temperature variations in a periodic sequence
Solution Approach 2:
The system changes water temperature parameters across different cleaning cycles (hot for initial cleaning, warm for intermediate, cold for final rinse) to optimize cleaning effectiveness for different residue types while controlling overall energy consumption through parameter variation rather than constant high-energy input
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 approach effectively cleans the brewing chamber with optimized water usage and temperature, reducing the need for extra cleaning apparatuses and enhancing portability while ensuring thorough residue removal.
Implementation Method 1
a heating element (5) that enables water to be heated
Implementation Method 2
a vibration mechanism (9) that enables the brewing chamber (2) to be vibrated
Data Source
Figure 1
Figure 2
AI summary
The present invention relates to a coffee machine (1 ) comprising a brewing chamber (2), a water tank (3), a water conduit (4) providing the delivery of water from the water tank (3) to the brewing chamber (2), a heater (5) that enables the brewing chamber (2) to be heated and a control unit (6) that enables the brewing chamber (2) to be cleaned as per the desire of the user.