Fluid Connector Locking for Remote Coupling in Tight Spaces

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Solution Overview

Problem

Existing fluidic connectors face challenges in accessibility and remote operation, particularly in environments with tangled pipes or hazardous conditions, where conventional connectors are difficult to mount and dismount, especially for larger pipe diameters and in situations requiring remote maintenance.

Innovation Solution

A fluidic connector design utilizing frustoconical surfaces for alignment and a locking mechanism with a screw or alternative traction systems, combined with a flat support for positioning and angular stops, allowing for secure coupling and decoupling, and featuring a tool for remote operation, including an extractor for safe disconnection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If conventional connectors with screw outer rings are used for alignment and locking, then connection stability is improved, but accessibility and ease of operation deteriorate in environments with tangled pipes or hazardous conditions

Engineering Contradiction:
Improveconnection stabilityVSAvoidaccessibility
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The connector is divided into two separable parts: a first part with a female frustoconical surface and a second part with a male frustoconical surface. This segmentation allows the connector to be assembled and disassembled by simply pushing the parts together along the cone axes, eliminating the need for complex screw operations and improving accessibility in confined spaces.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Instead of using a screw mechanism that requires rotational motion and significant space, the invention uses a push-to-connect mechanism where the male frustoconical surface is inserted into the female frustoconical surface. This inverted approach transforms a complex rotational locking operation into a simple linear insertion motion, greatly improving ease of operation in hazardous or confined environments.

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

2Strength

If flanges with multiple screws are used for larger pipe diameters, then connection strength is improved, but device complexity and space requirements worsen

Engineering Contradiction:
Improveconnection strengthVSAvoidmounting complexity
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The connector for larger diameters is segmented into two parts with complementary frustoconical surfaces. The male part includes a frustoconical surface with an axial hole, while the female part has a matching frustoconical surface. This segmentation allows the connector to be assembled by simple insertion without requiring multiple screws or complex mounting procedures, reducing device complexity while maintaining connection strength through the conical interface.

Inventive Principle:
Principle #1Segmentation

3Object-affected harmful factors

If remote operation tools are implemented for hazardous environments, then operator safety is improved, but device complexity and operation difficulty worsen

Engineering Contradiction:
Improveoperator safetyVSAvoidremote operation ease
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The connector design inverts the conventional approach by eliminating the need for complex remote manipulation tools. Instead of requiring remote screw tightening or flange manipulation, the connector uses a push-to-connect mechanism where the male frustoconical surface is simply inserted into the female frustoconical surface. This allows remote operation using simple linear pushing motion, greatly improving ease of remote operation while maintaining operator safety in hazardous environments.

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

Data Source

PatentEP3597976B1Easily manoeuvrable fluid connector
Publication Date: 2022.03.23 COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
  • EP3597976B1 patent drawingFigure 1a~2a
  • EP3597976B1 patent drawingFigure 2b~2c
  • EP3597976B1 patent drawingFigure 2d~2e

AI summary

The invention relates to a fluidic connector intended to allow the circulation of a fluid and comprising two parts (12, 14) configured to be coupled, each of the parts (12, 14) comprising a channel (16, 18), the two channels (16, 18) communicating when the two parts (12, 14) are coupled, the fluid being intended to be conducted through the two channels (16, 18) and a locking mechanism (30, 36; 31, 33; 39, 40) configured to bear against a first (14) of the two parts and to exert a force on a second of the two parts (12) in order to ensure the holding in position of the two parts (12, 14) to each other when the two parts (12, 14) are coupled, the locking mechanism (30, 36) passing through an opening (37) of the first of the two parts (14).