Fluidic connection device

The fluidic connection device addresses the complexity and reliability issues of existing fittings by using a movable verification element and spring blade to ensure accurate coupling indication with a reduced part count and simplified structure.

FR3159828B1Active Publication Date: 2026-04-10TRISTONE FLOWTECH SOLUTIONS TFS
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Patent Information

Application Number
FR2024002020
Authority / Receiving Office
FR · FR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2024-02-29
Publication Date
2026-04-10
Estimated Expiration
2044-02-29

AI Technical Summary

Technical Problem

Existing fluidic connection fittings with visual indicators often have complex structures or indicators that remain locked in the conforming position after separation, limiting their usefulness, and require numerous parts, which complicates manufacturing and increases size.

Method used

A fluidic connection device with a simplified structure featuring a movable verification element and a return element, such as a spring blade, that masks the visual safety element when uncoupled to ensure readability only in the coupled state, reducing the number of parts and ensuring reliability.

Benefits of technology

The device provides a reliable and efficient visual indication of coupling status with a simplified design, minimizing parts and maintaining long-term functionality while allowing quick connection and disconnection.

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Abstract

The invention relates to a fluidic connection device (1) comprising: - a male fitting (2); - a female fitting (4) comprising a body (7) with a cavity (5) and a connection verification assembly (10) mounted on the body (7) comprising a verification member (11) comprising a visual element (13), the verification member (11) being movable between a reading position of the visual element (13), and a masking position of the visual element, the verification member (11) being in the reading position in the coupled state of the male (2) and female (4) fittings; The verification assembly (10) includes a return element (20) for the verification element (11) in the masking position. A portion (22) of the return element (20) masks a portion of the visual element (13) when the verification element (11) is not in the reading position, thus preventing the visual element (13) from being readable. Figure for the abbreviation: Fig. 1
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