Filtration Valve Enabler Using Lifting Mechanism

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Solution Overview

Problem

Existing flow-interception valves in percolation filtration systems require precise rotational alignment of cartridges to open, making them unreliable due to sensitivity to manufacturing discrepancies and complex valve mechanisms.

Innovation Solution

An enabler element with a holding element and lifting device that grasps and lifts the valve shutter without rotation, using a resiliently deformable portion and a lifting device to move the shutter from a normally-closed position to an open position, ensuring precise and reliable valve opening.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a combined translation and rotation movement mechanism is used to open the valve shutter, then the valve can be opened, but the device complexity increases and manufacturing precision requirements become more stringent

Engineering Contradiction:
Improvevalve opening reliabilityVSAvoidvalve mechanism complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The invention separates the valve opening function into two independent components: a holding element that grasps the shutter and a lifting device that provides upward motion. This segmentation eliminates the need for complex combined translation-rotation mechanisms, reducing overall device complexity while maintaining reliable valve opening functionality.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Instead of using a complex combined movement mechanism to open the valve, the invention inverts the approach by using a simple lifting motion combined with a holding/grasping mechanism. This inversion simplifies the mechanical complexity while achieving the same functional result of reliable valve opening.

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

2Ease of operation

If a spiral surface coupling mechanism is used between the cartridge and valve shutter, then the valve can be opened, but the manufacturing precision requirements increase significantly

Engineering Contradiction:
Improvevalve opening operationVSAvoidspiral surface precision
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The invention extracts the complex spiral surface coupling mechanism from the system and replaces it with a holding element that simply grasps the shutter. This extraction eliminates the need for precise spiral surface manufacturing while maintaining the ability to open the valve through a simple lifting motion.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The holding element with resiliently deformable portion acts as a simple, easily manufacturable component that replaces the precision-critical spiral surface coupling. This disposable-like approach to the holding mechanism reduces manufacturing precision requirements while maintaining operational effectiveness.

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

3Device complexity

If an abutment-based mechanism is used to move the valve shutter, then the structure is simpler, but the movement precision and reliability decrease

Engineering Contradiction:
Improvevalve mechanism structureVSAvoidshutter movement precision
Core Design Contradiction:
Device complexityVSMeasurement precision

Solution Approach 1:

The invention introduces a holding element as an intermediary between the lifting device and the valve shutter. This holding element grasps the shutter and ensures precise movement during the lifting process, thereby maintaining movement precision while keeping the overall structure relatively simple.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The holding element changes the interaction parameters between the lifting mechanism and the shutter by providing a grasping connection rather than a simple abutment. This parameter change ensures that the shutter moves precisely during the lifting process without requiring complex mechanism structures.

Inventive Principle:
Principle #35Parameter changes

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 solution allows for reliable and precise opening of the valve without the need for rotational alignment, reducing sensitivity to manufacturing variations and enhancing the reliability of the filtration system.

Implementation Method 1

the holding element comprises a resiliently deformable portion

Methodology Applied
Scientific EffectElastic deformation: Elasticity

Data Source

PatentEP3981742A1An element for enabling a flow-interception valve in filtration systems using replaceable cartridges
Publication Date: 2022.04.13 LAICA SPA
  • EP3981742A1 patent drawingFigure 1~1A
  • EP3981742A1 patent drawingFigure 2~3A
  • EP3981742A1 patent drawingFigure 4A~6B

AI summary

An enabler element for a flow-interception valve in filtration systems using replaceable cartridges, comprising a holding element that can be inserted at least partially into a valve passage, the holding element being configured to grasp and hold a portion of the valve shutter when brought thereto, the enabler element further comprising a lifting device designed to lift the holding element by moving the shutter held by the holding element in an opening direction.