Bidirectional Blending Blade to Reduce Protein Denaturation
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Solution Overview
Problem
Conventional blenders damage delicate foodstuffs, particularly protein supplements, by denaturing proteins due to mechanical stress, which reduces their nutritional value and efficacy, and require a fixed power source and reconfiguration for blending and mixing operations.
Innovation Solution
A portable blending apparatus with a novel blade design that can rotate in two directions to perform blending and mixing operations without reconfiguration, using a battery-powered drive system and a controller to manage rotational speed and torque, ensuring efficient operation and preserving protein integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a conventional blender uses high-speed rotation and high torque to break down solids, then structural homogeneity is improved, but protein molecules are damaged and denatured
Solution Approach 1:
The patent changes the operational parameters of the blade by enabling bidirectional rotation. By rotating in reverse direction, the blade performs mixing rather than blending, which reduces mechanical stress and shear forces to levels that do not denature proteins, while still achieving homogeneity through gentle redistribution
Solution Approach 2:
The blade design incorporates dynamic adaptability through bidirectional rotation capability. The system can switch between blending mode (forward rotation with sharp leading edges for high-speed homogenization) and mixing mode (reverse rotation with blunt leading edges for gentle redistribution), allowing optimal performance for different foodstuff types
2Adaptability or versatility
If a blender is designed for both blending and mixing operations, then versatility is improved, but device complexity increases due to reconfiguration requirements
Solution Approach 1:
The blade is designed with universal functionality to perform both blending and mixing operations. By incorporating bidirectional rotation capability and asymmetric profile design, a single blade configuration achieves multiple functions without requiring physical reconfiguration or additional components
Solution Approach 2:
The patent applies inversion by rotating the blade in the opposite direction for mixing operations. The asymmetric profile is designed so that the leading edge characteristics are optimized for the direction of rotation, allowing the same blade to excel at both blending (forward rotation) and mixing (reverse rotation) without modification
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 apparatus efficiently blends and mixes foodstuffs without denaturing proteins, allowing for direct consumption and reducing the need for reconfiguration, while being portable and energy-independent.
Implementation Method 1
The solids are broken down by both contact with the rotating blade and, where a high torque is produced by the motor, by the intense shear fields produced by the high speed rotation of the blade within the food chamber
Data Source
AI summary
A blending apparatus blade is described which includes one or more arms and which is configured to be rotated in a first rotational direction to perform a blending operation and in a second rotational direction to perform a mixing operation. The blade may further include a paddle portion which is designed to improve mixing during a mixing operation whilst having minimal impact on the blending operation. Also described is a blending apparatus including this blade. The apparatus is preferably portable and the contents can be sealed within for transport. The apparatus may also include a drinking spout with a removable cap so that the contents can be consumed directly from the apparatus, a method of controlling a blending apparatus is also described.