A preparation jar for a kitchen appliance, a lid for the preparation jar and a kitchen appliance
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Solution Overview
Problem
Existing kitchen appliances are limited to performing single food processing operations, such as blending or juicing, resulting in beverages with undesirable pulpy textures and tastelessness due to dilution, and lack the ability to easily switch between multiple functions.
Innovation Solution
A preparation jar with a dual rotary tool system, where a blending blade at the bottom and a rotary sieve at the lid can be used in inverted orientations to perform two-stage food processing without tool changes, allowing for blending and juicing in a single device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single rotary tool is used for food processing, then the device structure is simple, but the device can only perform one food processing operation at a time
Solution Approach 1:
The preparation jar is designed with two different rotary food processing tools (first and second rotary tools) that can be mounted on the same base unit by inverting the jar. This allows a single device to perform multiple food processing operations such as blending, juicing, and whisking, making the device universal and multi-functional without requiring separate appliances for each function.
Solution Approach 2:
The preparation jar can be inverted to switch between the first rotary tool (mounted on the bottom part) and the second rotary tool (mounted on the lid). By inverting the jar, the user can easily switch between different food processing functions without changing the base unit or complex mechanisms, simply by flipping the jar orientation.
2Stability of the object's composition
If blending is performed to keep all fibers in the beverage, then the beverage consistency is thick and creamy, but the beverage becomes tasteless due to dilution
Solution Approach 1:
The food processing function is segmented into two distinct operations: blending (using the first rotary tool) and juicing (using the second rotary tool with sieve). This segmentation allows the user to choose the appropriate function for the desired outcome - blending for thick creamy consistency or juicing for clear concentrated juice - without the compromise of dilution affecting taste.
Solution Approach 2:
Different parts of the system are designed for different functions: the first rotary tool at the bottom for blending, and the second rotary tool with sieve at the lid for juicing. This local quality differentiation allows each part to optimize its specific function, enabling the user to achieve either thick creamy blends or clear concentrated juices depending on which tool is used.
3Quantity of substance
If a sieve is used to separate solid and liquid contents, then clear and fibrous juice is produced, but the device structure becomes more complex
Solution Approach 1:
The lid is designed to house a second rotary food processing tool with a sieve when the jar is inverted for juicing. This same lid structure serves dual purposes: it seals the jar during blending operations and provides the juicing function when inverted. This multi-functionality allows clear juice separation without adding significant structural complexity, as the lid already exists as a necessary component.
4Adaptability or versatility
If multiple food processing tools are integrated in one device, then function versatility is improved, but the ease of operation decreases
Solution Approach 1:
Instead of complex mechanisms to switch between tools, the system uses simple inversion of the preparation jar to switch between the first rotary tool (bottom-mounted) and the second rotary tool (lid-mounted). This intuitive flip operation is easy to perform and clearly indicates the mode change, maintaining operational simplicity while achieving function versatility.
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
Enables efficient and high-quality juice extraction with a single appliance by maintaining the vessel's airtightness and preventing oxidation, allowing for seamless transition between blending and juicing without spilling, while maintaining the appliance's safety and ease of use.
Implementation Method 1
a first rotary food processing tool mounted at the bottom part of the vessel
Implementation Method 2
a second rotary food processing tool for mounting inside the vessel when the lid is fitted to the top part of the vessel... during which the content of the vessel can flow to the second rotary food processing tool
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A food preparation jar has two rotary food processing tools; one at the base of a vessel and one implemented by a lid. Each food processing tool is contained within the vessel which remains static in use. A lid is also provided which replaces or combines with a main vessel lid to implement a second rotary food processing function, such as a juicing function, to supplement a main food processing function, such as a blending function, of the preparation jar, when mounted to the base unit in an inverted orientation.