Food Processor Eccentric Cup and Cutter Design for Enhanced Turbulence
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Solution Overview
Problem
Existing food processors have poor stirring performance due to regular shapes of the cutter head and cup body, leading to inadequate turbulence and food shattering, which affects the taste and user experience.
Innovation Solution
The food processor features an eccentric design where the cup body and cutter head contours are non-circular, with central axes adjusted for mutual eccentricity, and a tapering cup body with a larger upper cross-section area, enhancing whirl effect and food shattering performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If regular shapes are used for cutter head and cup body with collinear central axes, then manufacturing is simple and structure is stable, but stirring performance and turbulence effect are poor
Solution Approach 1:
The patent applies asymmetry by designing the cup body and cutter head with non-circular cross-sections (e.g., oval, triangular, or other irregular shapes) instead of regular circular shapes. The central axes of the cutter head and cup body are intentionally made non-collinear (offset from each other), creating an asymmetric configuration that generates stronger turbulence and whirl effects during operation, thereby improving stirring performance while accepting increased structural complexity
Solution Approach 2:
The patent utilizes curvature by employing non-circular curved cross-sections for both the cup body and cutter head (such as oval or elliptical shapes). This curved geometry, combined with the offset central axes, creates more effective fluid dynamics and turbulence patterns compared to straight-edged or regular shapes, enhancing the stirring effect while maintaining manufacturability through standard forming processes
2Reliability
If regular circular contours are used for cutter head and cup body, then manufacturing precision is easier to achieve, but food shattering effect and turbulence are insufficient
Solution Approach 1:
The patent employs asymmetric non-circular contours for the cutter head and cup body, where the cross-sectional shapes differ from standard circles and their central axes are offset. This asymmetric design creates more effective turbulence and shearing forces that improve food shattering, while the contours are designed to be manufacturable using standard molding or machining processes, balancing precision requirements with performance benefits
3Reliability
If central axes of cutter head, cutter, and cup body are collinear, then device structure is simple and stable, but whirl effect and stirring performance are poor
Solution Approach 1:
The patent deliberately positions the central axis of the cutter head offset from the central axis of the cup body, creating a non-collinear configuration. This asymmetric axis positioning generates a whirl effect as the cutter rotates within the offset configuration, significantly improving stirring performance. The offset distance is optimized to balance whirl effect generation with structural stability and ease of assembly
Solution Approach 2:
The patent introduces dimensional complexity by offsetting the central axes in a radial direction rather than maintaining collinearity. This creates a three-dimensional whirl pattern in the food processing zone, transforming the flow dynamics from simple radial motion to complex three-dimensional turbulent flow, thereby enhancing the whirl effect and stirring performance
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 design improves the whirl effect and stirring performance, resulting in better food shattering and taste, enhancing user experience by increasing turbulence and shattering efficiency.
Implementation Method 1
the turbulent effect and the stirring performance are poor
Data Source
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AI summary
The disclosure provides a food processor, comprising of: a cutter head, on which a cutter is arranged, the intersecting line of the side wall of the cutter head and the cross section of the cutter head is a cutter head contour line, the largest inscribed circle or the smallest circumscribed circle of the cutter head contour line is a cutter head base circle, and the central axis of the cutter head penetrates the center of the cutter head base circle; and a cup body arranged on the cutter head, wherein the intersecting line of the cup wall of the cup body and the cross section of the cup wall is a cup body contour line, the largest inscribed circle or the smallest circumscribed circle of the cup body contour line is a cup body base circle, and the central axis of the cup body penetrates the center of the cup body base circle; wherein the distances between different points on the same cup body contour line and the center of the cup body base circle are unequal; and the distances between different points on the same cutter head contour line and the center of the cutter head base circle are equal or unequal.