Vertical Flow French Fryer Steam Dissipation

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Solution Overview

Problem

Existing methods for frying French fried potatoes in deep packs of strips face challenges in steam dissipation and uniform cooking due to non-vertical orientation of strips, which limits operational depth and results in non-uniform product and reduced oil turnover.

Innovation Solution

A continuous process and apparatus that uses a conveyor system with bottom oil inlets creating an upward force vector and steam 'boil' to orient potato strips vertically, allowing free steam escape and promoting uniform cooking, while also enabling deeper pack depths and faster oil turnover.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If potato strips are fried in deep packs with conventional horizontal orientation, then productivity is improved by processing larger volumes, but steam dissipation is hindered resulting in non-uniform cooking

Engineering Contradiction:
Improveproduct outputVSAvoidcooking uniformity
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The patent transitions from conventional horizontal orientation of potato strips to a vertical orientation by introducing upward-flowing cooking oil. This dimensional change in strip arrangement allows steam to escape more effectively from the center of deep packs while maintaining high productivity, thereby achieving uniform cooking throughout the product volume.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The patent employs hydraulic flow of cooking oil introduced through bottom inlets to create an upward force vector that orients potato strips vertically. This hydraulic mechanism enables deep pack processing with improved steam dissipation and uniform cooking without sacrificing productivity.

Inventive Principle:
Principle #29Pneumatics and hydraulics

2Productivity

If pack depth is increased to improve productivity, then product output increases, but steam escape is restricted leading to poor cooking quality

Engineering Contradiction:
Improveproduct outputVSAvoidsteam accumulation
Core Design Contradiction:
ProductivityVSObject-generated harmful factors

Solution Approach 1:

By orienting potato strips vertically in deep packs rather than horizontally, the patent creates vertical pathways for steam to escape from the center of the product mass. This dimensional reconfiguration allows increased pack depth for higher productivity while eliminating steam accumulation problems.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The patent inverts the conventional approach by introducing cooking oil from the bottom upward rather than from the top downward or sides. This inverted flow direction creates an upward force that orients strips vertically and facilitates steam escape from the pack center, resolving the steam accumulation issue in deep packs.

Inventive Principle:
Principle #13The other way round (Inversion)

3Reliability

If conventional frying methods are used, then oil turnover is slow maintaining oil quality, but productivity is limited by shallow pack depths

Engineering Contradiction:
Improveoil qualityVSAvoidproduct output
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent uses hydraulic flow of cooking oil introduced through multiple bottom inlets to create continuous circulation through deep packs. This hydraulic system enables fast oil turnover and improved oil quality while simultaneously allowing increased pack depth for higher productivity, resolving the trade-off between oil quality and output.

Inventive Principle:
Principle #29Pneumatics and hydraulics

Solution Approach 2:

The patent establishes continuous circulation of cooking oil through the fryer system with multiple inlets and outlets, ensuring constant oil movement and turnover. This continuous action maintains oil quality while enabling deeper packs and higher productivity without the limitations of batch processing or slow turnover.

Inventive Principle:
Principle #20Continuity of useful action

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 approach ensures more uniform cooking, increases product output, and maintains better oil quality by allowing deeper pack depths and faster oil turnover, resulting in improved product consistency and reduced oil usage.

Implementation Method 1

supplying cooking oil through an oil inlet at a volume and velocity to create an upward force vector acting with the boil to orient the strips in generally vertical positions

Methodology Applied
Scientific EffectFluid flow force: Fluid Spray

Implementation Method 2

supplying cooking oil through the oil inlet at a volume and velocity to create an upward force vector acting with the boil

Methodology Applied
Scientific EffectTurbulence: Turbulence

Implementation Method 3

create a boil of steam from the strips, supplying cooking oil through the oil inlet at a volume and velocity to create an upward force vector acting with the boil to orient the strips in generally vertical positions thereby permitting steam to pass freely

Methodology Applied
Scientific EffectEvaporation: Evaporation

Implementation Method 4

A fryer pan is configured with multiple cooking oil inlets in the bottom portion thereof through which oil is pumped into the pan in upwardly moving streams

Methodology Applied
Scientific EffectConvection: Convection

Data Source

PatentUS8231919B2Vertical flow french fryer
Publication Date: 2012.07.31 HEAT & CONTROL INC
  • US8231919B2 patent drawing
  • US8231919B2 patent drawing
  • US8231919B2 patent drawing

AI summary

Cooking of French fried potatoes by facilitating a generally vertical arrangement of potato strips while in the frying operation is disclosed wherein the slices may be cooked within a very deep pack while oil is urged to flow upwardly through the pack and steam entrapment within the cooking slice pack is minimized. A conveyor belt carrying the slices through the cooker has a multiplicity of openings facilitating oil flow there through and the cooker is configured to permit oil discharge for reheating purposes both laterally and longitudinally of the processing path.