Fluid Coupling Receiving Unit With Isolated Spring Flow Path

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Solution Overview

Problem

Coupling devices for fluid lines often disrupt fluid dynamics, causing turbulence and dead zones, which can lead to uncontrolled fluid release and potential contamination or damage, especially when using spring-loaded elements.

Innovation Solution

A receiving unit with a closure element preloaded by a spring, featuring a cylindrical portion without perforations and a section with window-like openings, allowing fluid to flow through while preventing accumulation and uncontrolled release, and designed to be connected with a plug-in unit for improved fluid flow and sealing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a spring element is used to preload the closure element into the closed position, then the closure element can be reliably sealed in the closed position, but the spring element causes severe disruption of the fluid flow and creates dead zones

Engineering Contradiction:
Improvesealing reliabilityVSAvoidfluid flow disruption
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The spring element is extracted from the fluid flow path by positioning it in a recess that is separated from the fluid flow channel. The closure element acts as a barrier that prevents fluid from reaching the spring element, thereby eliminating the harmful flow disruption while maintaining the spring's sealing function.

Inventive Principle:
Principle #2Taking out (Extraction)

2Productivity

If the closure element is designed with perforations to allow fluid flow, then fluid can pass through the closure element, but fluid can accumulate in dead zones and escape in an uncontrolled manner when the coupling device is separated

Engineering Contradiction:
Improvefluid flow through closure elementVSAvoidcontrolled fluid release
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The spring element is extracted from the fluid flow path and positioned in a separate recess, eliminating the dead zone problem. Fluid is prevented from accumulating around the spring element, ensuring controlled fluid release while maintaining flow through the closure element's perforations.

Inventive Principle:
Principle #2Taking out (Extraction)

3Force

If the spring element is positioned within the fluid flow channel, then the closure element can be preloaded effectively, but fluid accumulates in the region where the spring is arranged and emerges uncontrolled when the coupling device is released

Engineering Contradiction:
Improvespring preload forceVSAvoiduncontrolled fluid release
Core Design Contradiction:
ForceVSObject-generated harmful factors

Solution Approach 1:

The spring element is extracted from the fluid flow channel and positioned in a dedicated recess that is sealed off from the fluid path. This maintains the spring's preload function while preventing fluid accumulation and uncontrolled release.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The closure element serves as an intermediary barrier that separates the spring element from the fluid flow channel. It allows the spring to exert its preload force on the closure element while preventing fluid from entering the spring region, thus mediating between the mechanical sealing function and fluid flow control.

Inventive Principle:
Principle #24Intermediary (Mediator)

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 enhances fluid flow properties, reduces dead zones, and prevents uncontrolled fluid release, ensuring better fluid dynamics and safety by separating the spring element from the fluid flow path and using a sealing mechanism to maintain a fluidic seal.

Implementation Method 1

the closure element is preloaded into the closed position using a spring element

Methodology Applied
Scientific EffectSpring: Spring

Implementation Method 2

a closure element which, in a closed position, is designed to fluidically seal the fluid flow channel of the receiving unit between the first end and a second end

Methodology Applied
Scientific EffectFluid sealing:

Implementation Method 3

the perforations of the section are formed as window-like openings which fluidically connect an interior of the closure element to an exterior of the closure element

Methodology Applied
Scientific EffectFluid flow through openings:

Data Source

PatentUS12104734B2Receiving unit of a coupling device for fluid lines
Publication Date: 2024.10.01 FRISCHE IND PIPES
  • US12104734B2 patent drawing
  • US12104734B2 patent drawing
  • US12104734B2 patent drawing

AI summary

A receiving unit of a coupling device for fluid lines, and the coupling device. The receiving unit comprises a closure element which fluidically seals the fluid flow channel in a closed position. The closure element is preloaded into the closed position using a spring element. The closure element comprises a perforation-free cylindrical portion. The entire spring element, in the release position of the closure element, is arranged within a region that is completely overlapped by the cylindrical portion along the entire longitudinal extent thereof, as viewed in a radial direction of the cylindrical portion.