Adjustable Fluid Level Marking Mechanism for Riser Pipes

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Solution Overview

Problem

Existing fluid level indication devices lack adaptability to different operating conditions and cannot easily mark critical filling levels, such as minima or maxima, within fluid systems.

Innovation Solution

A device with a housing surrounding the riser pipe, featuring a side wall with a fold forming a plane offset from the front wall, allowing adjustable and fixable marking bodies along a longitudinal slot, and a pointer part extending into a viewing window, enabling clear marking of important filling levels. The marking bodies can be retrofitted to existing devices and are position-adjustable with a clamping screw and T-nut mechanism.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If marking bodies are made fixed and non-adjustable, then the device structure is simplified, but the adaptability to different operating conditions deteriorates

Engineering Contradiction:
Improvedevice structureVSAvoidadaptability to different operating conditions
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The marking bodies are designed with adjustable positioning mechanisms (screws, slots, or magnetic components) that allow them to be moved along the riser pipe and fixed at different heights. This dynamic positioning capability enables the same device to adapt to various operating conditions and mark different critical fill levels without requiring multiple different devices, thus resolving the contradiction between structural simplicity and adaptability.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If marking bodies are made adjustable and fixable, then the adaptability to different operating conditions is improved, but the device complexity increases

Engineering Contradiction:
Improveadaptability to different operating conditionsVSAvoiddevice structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The marking body is segmented into separate functional components: a positioning element (such as a screw or slider), a marking indicator (such as a colored tag or pointer), and a mounting mechanism. This segmentation allows each component to perform its specific function independently while being easily assembled and adjusted, reducing the overall complexity compared to a monolithic adjustable marking system.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The marking bodies incorporate self-fixing mechanisms such as self-tapping screws, snap-fit connectors, or magnetic attachments that allow users to install and adjust the markings without requiring specialized tools or complex assembly procedures. This self-service capability enables easy adaptation to different operating conditions while keeping the device structure relatively simple.

Inventive Principle:
Principle #25Self-service

3Device complexity

If critical fill levels are not marked, then the device structure is simpler, but the operational reliability deteriorates

Engineering Contradiction:
Improvedevice structureVSAvoidoperational reliability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The device allows critical fill levels to be marked in advance based on operational requirements. Users can install and position marking bodies at predetermined heights corresponding to minimum, maximum, or optimal fill levels before actual operation begins. This preliminary marking action ensures that critical levels are clearly visible and operational reliability is maintained without adding complex real-time monitoring systems.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP2604986B1Device for displaying the height of the fill level of fluids
Publication Date: 2021.08.11 HYDAC ACCESSOIRES GMBH
  • EP2604986B1 patent drawingFigure 1
  • EP2604986B1 patent drawingFigure 2
  • EP2604986B1 patent drawingFigure 3

AI summary

Device for indicating the level of fluids. A device for indicating the level of fluids, with at least one fluid connection (1, 3) opening into a riser pipe (5), the wall of which allows visual observation of the fluid level at least within a display area (10), is characterized in that at least one marker (17, 31) is provided, which can be positioned outside the riser pipe (5), but in visual relation to the display area (10), in a selected position corresponding to a predetermined level to be marked.