Motor Chamber Air Circulation for Food Processor Heat Evacuation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing appliances for frothing and heating milk are inefficient in heat management, prone to encrustation, and difficult to clean, with fixed stirring mechanisms that complicate maintenance and hygiene.
Innovation Solution
A machine with a container for milk frothing and heating, featuring an impeller driven by a motor, a motor chamber with air circulation members to evacuate heat efficiently, and a control unit for managing heating profiles, which separates heat evacuation from the container to prevent unwanted heat transfer and facilitate cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed stirring mechanism is used in the tank, then the frothing function is achieved, but the device complexity increases and cleaning becomes difficult
Solution Approach 1:
The stirring mechanism is extracted from the tank interior and relocated to the motor chamber. The impeller is positioned in the motor chamber where it is driven by the motor, separating the stirring function from the tank structure. This allows the tank to be simple and easy to clean while the stirring mechanism remains effective.
Solution Approach 2:
The device is segmented into distinct functional zones: the tank for containing and cleaning, and the motor chamber for housing the motor and impeller. This segmentation allows independent optimization of each component, with the tank being removable and easy to clean while the motor chamber handles the mechanical stirring function.
2Temperature
If heating is applied to the tank, then the milk heating function is achieved, but encrustation increases and cleaning becomes troublesome
Solution Approach 1:
The heating function is extracted from the tank and relocated to the motor chamber. The heater is positioned in the motor chamber rather than in direct contact with the tank interior, reducing thermal transfer to the tank walls and minimizing encrustation formation on cleaning surfaces.
Solution Approach 2:
The motor chamber acts as an intermediary between the heater and the tank. Heat is generated in the motor chamber and transferred indirectly to the milk, reducing direct thermal contact with the tank interior and minimizing protein denaturation and encrustation on surfaces.
3Power
If the motor chamber generates heat, then the motor operation is enabled, but unwanted heat transfer to the container occurs
Solution Approach 1:
The heat generated by the motor in the motor chamber is converted into a beneficial function by positioning the heater in the same chamber. The motor heat, which would otherwise be wasted, contributes to heating the milk, improving energy efficiency while the air circulation system manages excess heat.
Solution Approach 2:
An air circulation system is implemented in the motor chamber to manage heat transfer. Air flows through the motor chamber, absorbing excess heat from the motor and heater, and dissipating it through designated pathways, preventing unwanted heat transfer to the container while maintaining motor operation.
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 machine effectively manages heat, reduces encrustation, and simplifies cleaning by isolating heat sources from the milk container, ensuring reliable and efficient frothing and heating processes.
Implementation Method 1
a means for evacuating heat from the motor chamber, wherein the means for evacuating heat comprises one or more air circulation members that are driven by the motor and that are configured to circulate air in the motor chamber to evacuate heat therefrom
Data Source
AI summary
A machine (1) for processing a liquid food substance incorporates: a container (10) delimiting a cavity (10′) for containing said liquid food substance; an impeller (20) for driving the liquid food substance in the container (10); a motor (30) for driving the impeller (20); a motor chamber (40) for containing the motor (30); and a means for evacuating heat from the motor chamber (40). Such means comprises one or more movable members (50) that are driven by the motor (30) and that are configured to circulate air (2a,2b) in the motor chamber (40) to evacuate heat therefrom.