Micro Puree Machine Platform Rotation for Blade-Shaft Connection

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Solution Overview

Problem

Existing home-use machines for making frozen foods and desserts are impractical due to their size, complexity, and high cost, and lack efficiency in processing non-dessert food products.

Innovation Solution

A compact, user-friendly device with a gearbox assembly, drive motor, and position motor that enables vertical movement of a rotating blade assembly for efficient processing of food and beverage ingredients, featuring a disposable bowl and improved blade design with alternating grooves for enhanced cutting efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If commercial-grade micro-puree machines are used, then processing efficiency and capability are improved, but device size, weight, and cost increase significantly

Engineering Contradiction:
Improveprocessing efficiencyVSAvoiddevice weight
Core Design Contradiction:
ProductivityVSWeight of moving object

Solution Approach 1:

The device is divided into separate functional modules: a removable bowl assembly that can be detached from the base unit, allowing the processing components to be separated from the motor and control systems. This segmentation reduces the weight of the moving processing parts while maintaining overall functionality.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The blade assembly and bowl are extracted as removable components from the main device body. The bowl can be removed for cleaning and replacement, and the blade assembly can be independently accessed. This extraction reduces the permanent weight of the device while preserving processing capability.

Inventive Principle:
Principle #2Taking out (Extraction)

2Productivity

If commercial-grade micro-puree machines are used, then processing efficiency and capability are improved, but device size, weight, and cost increase significantly

Engineering Contradiction:
Improveprocessing efficiencyVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The device uses discrete, independently replaceable components including the bowl, blade assembly, and base unit. Each component has a single dedicated function, simplifying the overall system architecture and reducing interdependencies between parts.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The bowl is designed as a disposable or easily replaceable component that can be discarded after use or cleaning cycles, eliminating the need for complex cleaning mechanisms and reducing overall system complexity. The blade assembly can also be independently replaced without affecting other components.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

3Adaptability or versatility

If traditional ice cream machines are used, then frozen desserts can be made, but user time and effort requirements increase

Engineering Contradiction:
Improveproduct type capabilityVSAvoiduser time and effort
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

Ingredients are pre-frozen in the bowl before processing begins. The device then rapidly processes these pre-frozen ingredients through high-speed blade rotation, eliminating the need for gradual freezing during the mixing process and significantly reducing total preparation time.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The blade assembly performs rapid periodic plunging motions into the pre-frozen ingredients, alternating between cutting and mixing phases. This periodic action efficiently processes ingredients in short bursts, reducing overall processing time compared to continuous slow mixing.

Inventive Principle:
Principle #19Periodic action

4Adaptability or versatility

If micro-puree machines are designed for versatility, then multiple food types can be processed, but device complexity and maintenance difficulty increase

Engineering Contradiction:
Improvefood processing versatilityVSAvoidmaintenance difficulty
Core Design Contradiction:
Adaptability or versatilityVSEase of repair

Solution Approach 1:

The device processes different food types using the same basic mechanical components (blade and bowl), eliminating the need for specialized mechanisms for different food types. Versatility is achieved through software control and parameter adjustment rather than hardware complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The bowl and blade assembly are designed for easy user removal and cleaning without requiring disassembly of the main device body. Users can independently clean and maintain the processing components without technical expertise, significantly easing maintenance requirements.

Inventive Principle:
Principle #25Self-service

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 device efficiently processes frozen ingredients into purees and desserts with reduced user effort and cost, offering versatility and practicality for home use by providing a compact, easy-to-maintain solution for making a variety of frozen food products.

Implementation Method 1

a drive motor assembly, as well as a position motor. The position motor enables vertical movement of the gearbox assembly and drive motor assembly. The drive motor assembly provides power to a power shaft and coupling connected to a rotating blade assembly

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

a rotating blade assembly that engages with ingredients for processing. The blade assembly comprises one or more cutting blades having alternating grooves with distinct dimensions to create a cutting profile that provides for improved power management and processing efficiencies

Methodology Applied
Scientific EffectMechanical shearing: Shear Stress

Data Source

PatentUS11832767B2Micro puree machine
Publication Date: 2023.12.05 SHARKNINJA OPERATING LLC
  • US11832767B2 patent drawing
  • US11832767B2 patent drawing
  • US11832767B2 patent drawing

AI summary

A micro puree machine including a housing, a power shaft, a bowl assembly and a platform. The power shaft extends from the housing. The bowl assembly including at least one locking bowl element. The platform includes at least one complementary locking platform element that is configured to engage the at least one locking bowl element such that rotation of the bowl assembly relative to the platform is prevented at times the bowl assembly is positioned thereon. The platform is rotatable from a first position to a second position relative to the housing such that the platform raises the bowl assembly towards the power shaft during the rotation of the bowl assembly and platform. The raising of the bowl assembly facilitates connection between the power shaft and a blade assembly that is positioned in a lid assembly on the bowl assembly.