Planetary Volute Blade Mixer for Air-Preserving Folding Action
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Solution Overview
Problem
Manual folding of ingredients in food mixing is challenging, leading to unsatisfactory results due to over-folding or under-folding, which can result in incomplete mixing and poor rising of final cooked products.
Innovation Solution
A tool with a wing-like member featuring a volute blade attached to a stand mixer, capable of planetary motion, simulates the gentle folding action of a spoon by rotating in one direction around its axis while moving in the opposite direction, ensuring ingredients are mixed without air expulsion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual folding is used to mix ingredients, then air can be preserved in the mixture, but mixing consistency and reliability are poor due to operator skill variation
Solution Approach 1:
The patent copies the manual folding action of a spoon into a mechanical tool with a wing-like member that has specific curvature and tilt. This mechanical copy performs the same gentle lifting and turning motion that an experienced cook achieves manually, making the technique reproducible and reliable without requiring operator skill
Solution Approach 2:
The tool is designed to perform the folding action automatically through its planetary motion mechanism, eliminating the need for human skill intervention. The wing-like member's geometry and motion pattern are self-regulating to achieve consistent results
2Reliability
If automated mixing tools are used, then mixing consistency is improved, but air expulsion occurs damaging the mixture
Solution Approach 1:
The wing-like member is designed with curved surfaces and a volute blade configuration that gently lifts and turns ingredients. The curvature allows the tool to scoop and fold ingredients without sharp edges that would knock air out, replicating the gentle action of manual spoon folding
Solution Approach 2:
The tool employs planetary motion where the wing-like member rotates on its own axis while simultaneously orbiting the bowl center. This dynamic multi-axis motion creates a gentle folding pattern that maintains air bubbles rather than expelling them, unlike simple rotary mixing
3Device complexity
If simple rotary motion is used for mixing, then device complexity is reduced, but folding action cannot be achieved
Solution Approach 1:
The patent merges two rotational motions into one tool: the wing-like member rotates on its suspension shaft axis while the entire assembly orbits the bowl center. This combination of rotations creates the planetary motion that enables folding action without requiring complex separate mechanisms for each motion component
Data Source
AI summary
A tool that is attachable to an electrically driven stand mixer and configured, when suspended into a bowl and driven in planetary motion by the stand mixer, to perform a mixing operation that involves folding ingredients together without substantial expulsion of air from the mix. The device aims to automate the folding action by providing a food mixing arrangement in which a tool having a wing-like volute blade is suspended by its shaft from a drive outlet of the stand mixer and executes a planetary motion within a mixing bowl. The blade is twisted along its length and has curved surfaces formed to gently lift and turn ingredients to be mixed in the bowl so as to simulate a gentle folding action similar to that achieved manually by an experienced cook.