Vacuum Chamber Conveying Element for Freight Sterilization

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Solution Overview

Problem

Existing systems for treating freight in a vacuum face challenges in achieving rapid and simple loading and unloading, often requiring freight to be transferred from containers to transport devices, which can lead to contamination and inefficient processing.

Innovation Solution

A chamber system designed to accommodate ISO containers, equipped with a conveying element and driving device for moving containers into the chamber, allowing for vacuum treatment within the container without transfer, along with a vacuum pump and steam generator for creating specific pressure and temperature conditions, and features like inclined platforms for efficient steam distribution and condensate management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If freight is transferred from container to transport device for vacuum treatment, then treatment can be performed, but loading and unloading become complex and time-consuming

Engineering Contradiction:
Improveloading and unloading speedVSAvoidtransfer operation complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The invention extracts the freight from the container and places it directly onto the conveying element, eliminating the need for complex transfer operations. The container is positioned directly onto the conveying element which then moves it into the vacuum chamber, simplifying the loading process and improving productivity.

Inventive Principle:
Principle #2Taking out (Extraction)

2Reliability

If freight is transferred during treatment, then treatment can be applied, but contamination risk increases

Engineering Contradiction:
Improvesterility maintenanceVSAvoidcontamination risk
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The container is sealed and positioned directly onto the conveying element before the vacuum treatment begins. The freight remains enclosed in the container throughout the treatment process, preventing contamination. The conveying element is designed to maintain the sealed environment, ensuring sterility is maintained from the outset.

Inventive Principle:
Principle #10Preliminary action

3Productivity

If container is moved into chamber using traditional methods, then treatment can be performed, but treatment time increases

Engineering Contradiction:
Improvetreatment throughputVSAvoidloading and unloading time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The conveying element continuously moves the container from the loading position through the vacuum chamber to the unloading position without interruption. This continuous motion eliminates idle time between operations and maintains productive action throughout the treatment process, significantly reducing the overall treatment time.

Inventive Principle:
Principle #20Continuity of useful action

4Productivity

If conventional conveying methods are used, then freight can be moved, but steam distribution efficiency decreases

Engineering Contradiction:
Improvesteam distribution efficiencyVSAvoidsteam injection efficiency
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The conveying element is designed with dynamic capabilities to tilt and position the container at specific angles during the treatment process. This dynamic positioning optimizes steam distribution throughout the freight and improves condensate drainage, enhancing both steam injection efficiency and overall treatment effectiveness.

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

Enables rapid, contamination-free treatment of freight within the container, ensuring the container and its contents remain sterile, and allows for efficient steam distribution and condensate management, improving the overall treatment process.

Implementation Method 1

a system for treating freight in a vacuum, with which a vacuum can be produced in the chamber

Methodology Applied
Scientific EffectVacuum: Vacuum

Implementation Method 2

a steam generator (41), with which steam can be produced in the chamber

Methodology Applied
Scientific EffectEvaporation: Evaporation

Implementation Method 3

a conveying element (2) for putting down and for moving a container (9) relative to the chamber (1) from a first position (P1) outside the chamber (1) into a second position (P2) in the chamber (1)

Methodology Applied
Scientific EffectMechanical force: Mechanical Force

Data Source

PatentUS10766164B2Chamber
Publication Date: 2020.09.08 PHYTOSANITATION VACUUM SYST LLC
  • US10766164B2 patent drawing
  • US10766164B2 patent drawing
  • US10766164B2 patent drawing

AI summary

A system and its use for treatment of freight in a vacuum, having a chamber 1 for receiving a loaded container 9 having an external length CLa, an external width CBa and an external height CHa, wherein the chamber 1 has two side walls 11, 12 arranged opposite to a bottom 13 and top 14 and arranged opposite to a front wall 15 and back wall 16, and wherein a direction system XYZ is at right angles; and a conveying element 2 for parking and moving a container 9 relative to chamber 1 from a first position P1 outside the chamber 1 into a second position P2 inside the chamber 1; and a driving device 8 for moving between the first position P1 and the second position P2.