Food processing apparatus and method

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Solution Overview

Problem

Conventional food processing sequences fail to effectively process low liquid and fibrous foods without user intervention, often resulting in cavitation and incomplete processing, as they lack efficient mechanisms to handle solid components and ingredients with high surface area to weight ratios.

Innovation Solution

A food processing apparatus with a controller that executes a programmed sequence of blade operations, including short pulses and continuous blending segments, pauses, and a 'fountain effect' mechanism to recapture ingredients stuck on the container walls, ensuring thorough processing without excessive user input or added liquids.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional continuous blending is used, then processing time is reduced, but processing effectiveness deteriorates due to cavitation and incomplete processing of fibrous foods

Engineering Contradiction:
Improveprocessing timeVSAvoidprocessing effectiveness
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent implements periodic action by alternating between pulse phases (blending) and pause phases (settling) multiple times. During pulse phases, the blade rotates to chop and blend ingredients. During pause phases, the blade stops allowing ingredients to settle at the bottom and cavitation bubbles to dissipate. This periodic cycle repeats several times to progressively break down fibrous materials without causing excessive cavitation damage, thereby achieving both reasonable processing time and effective processing results.

Inventive Principle:
Principle #19Periodic action

2Speed

If high speed blending is used, then processing speed increases, but harmful factors increase due to cavitation

Engineering Contradiction:
Improveblade rotation speedVSAvoidcavitation
Core Design Contradiction:
SpeedVSObject-generated harmful factors

Solution Approach 1:

The patent uses periodic action to limit cavitation by interrupting high-speed blending with pause phases. During pulse phases, the blade rotates at high speed to chop ingredients efficiently. During pause phases, the blade stops allowing cavitation bubbles to collapse safely and ingredients to settle. This periodic interruption prevents continuous high-speed operation that would generate excessive cavitation, while still achieving high-speed processing during active phases.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The patent applies preliminary action by using initial pulse phases to start breaking down ingredients before continuous high-speed blending. The first few pulse phases at high speed chop larger pieces into smaller fragments, preparing the material for subsequent blending phases. This preliminary chopping reduces the likelihood of severe cavitation during later phases by creating more uniform, smaller particles that blend more evenly.

Inventive Principle:
Principle #10Preliminary action

3Device complexity

If simple blending sequences are used, then device complexity is reduced, but processing capability deteriorates for difficult-to-process ingredients

Engineering Contradiction:
Improvesequence control complexityVSAvoidprocessing capability
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent applies segmentation by dividing the blending process into distinct pulse phases and pause phases, each with specific functions. Pulse phases perform chopping and blending tasks, while pause phases allow settling and cavitation dissipation. This segmentation of the processing sequence enables the system to handle difficult-to-process ingredients like fibrous foods and ice by providing multiple opportunities for different physical processes to occur, without requiring complex additional hardware.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent implements dynamics by making the blending sequence adaptive and variable. The controller can adjust the number of pulse phases, duration of each phase, and interval between phases based on the specific ingredients being processed. This dynamic sequencing allows the same basic apparatus to effectively process various difficult ingredients by optimizing the pulse-pause cycle parameters, enhancing versatility without increasing mechanical complexity.

Inventive Principle:
Principle #15Dynamics

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 consistently produces smooth liquids from difficult-to-process ingredients, including fibrous foods, by breaking down fibers and liquefying contents efficiently, while preventing cavitation and ensuring all ingredients are fully incorporated, thus enhancing food processing outcomes.

Implementation Method 1

a container (402) having at least one rotatable, sharp blade (408a, 408b, 410a, 410b) positioned within the container (402), wherein the at least one blade (408a, 408b, 410a, 410b) is configured to process food items placed in the container (402)

Methodology Applied
Scientific EffectMechanical force: Mechanical Force

Implementation Method 2

The sequence includes a first pause segment between the first pulse and the second pulse, a second pause segment between the second pulse and the first continuous run segment, and a third pause segment between the second continuous run segment and the third continuous run segment

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentEP3302199B1Food processing apparatus and method
Publication Date: 2021.04.21 SHARKNINJA OPERATING LLC
  • EP3302199B1 patent drawingFigure 1
  • EP3302199B1 patent drawingFigure 2
  • EP3302199B1 patent drawingFigure 3

AI summary

Food processing apparatus and methods for processing food are disclosed. The apparatus may include stored sequences for operating a processing tool. The stored sequences may address various challenging aspects of blending solid foods and/or ice. In come embodiments, particular sequences are implemented with specific processing tools.