Manual blender device and methods
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Solution Overview
Problem
Conventional blender devices require electric power to achieve high rotational speeds necessary for effective shredding and blending, limiting their use in situations without a power source.
Innovation Solution
A manually-operated blender device that utilizes a rotatable portion to generate high RPMs by rolling along a surface, allowing users to blend materials without electricity, featuring a gear system and multiple blade subassemblies for efficient processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If an electric motor is used to achieve high rotational speeds for shredding and blending, then the blending effectiveness is improved, but the device requires a source of electric power which limits portability and use without power
Solution Approach 1:
The patent replaces the electric motor system with a manual mechanical system. The user directly rotates the blade assembly through manual effort, eliminating the need for electric motors, gear arrangements, and power sources. This substitution resolves the contradiction by achieving the blending function through direct mechanical input without energy infrastructure requirements
Solution Approach 2:
The patent extracts and removes the electric motor and associated power transmission components (gears, shafts, couplings) from the blending system. By taking out these complex mechanical elements, the device achieves simplicity and portability while still accomplishing the core blending function through direct manual rotation of the blade assembly
2Ease of operation
If a manual operation method is used to eliminate electric power requirements, then portability and ease of operation are improved, but achieving sufficiently high rotational speeds for effective shredding becomes difficult
Solution Approach 1:
The patent segments the blade assembly into multiple blade elements arranged radially around the rotation axis. This segmentation allows the blades to be thinner and lighter, reducing rotational inertia and enabling faster acceleration to high speeds with minimal manual effort. The segmented design also improves cutting efficiency by distributing the shredding load across multiple blade edges
Solution Approach 2:
The patent employs a radially symmetric, circular blade assembly configuration where blades are arranged in a radial pattern around a central rotation axis. This spherical/circular geometry optimizes the distribution of cutting forces and enables efficient rotational motion. The curved radial arrangement of blades ensures optimal contact with material being processed, maximizing shredding effectiveness at high rotational speeds
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 high-speed blending and shredding of various food and non-food materials without electricity, providing a portable and efficient solution for producing nutritious drinks and mixes.
Implementation Method 1
manually rolling a rotatable portion of the blender device along a surface
Data Source
AI summary
A handheld, hand-operated blender may include a container, a lid threadably connected to an upper portion of the container, a bottom portion including a stationary bottom portion threadably connected to a lower portion of the container and a rotatable bottom portion rotatable with respect to the container. The blender may also include a blade assembly including a plurality of blades and a shaft rotatably connected to the rotatable bottom portion and a gear assembly mechanically connected to the blade assembly and the rotatable bottom portion such that rotation of the rotatable bottom portion rotates the blade assembly at a faster revolution per minute than the rotation of the rotatable bottom portion.