Rotating Chemical Dosing Device for Heating Systems

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Solution Overview

Problem

Existing dosing devices for chemical reagents in heating systems are complex, costly, and require multiple configurations, leading to high flow resistance and mechanical stresses, as well as limited versatility due to their design with 45° sloped surfaces and complex mechanical connections.

Innovation Solution

A dosing device with a tank and tubular element connected via mechanical and hydraulic means featuring a first and second portion that rotate around a horizontal axis, with removable locking mechanisms and vertical coupling surfaces, allowing for easy configuration changes and reduced mechanical stresses, enabling versatile use in various installations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If adjustable dosing device with 45° sloped coupling surfaces is used, then two different configurations (wall-mounted and under-boiler) can be achieved, but device complexity and manufacturing cost increase

Engineering Contradiction:

Improveconfiguration adaptabilityVSAvoidmechanical connection complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The device is divided into two separable portions: a first portion associated with the tank and a second portion associated with the tubular element. These portions can be independently manufactured and assembled, simplifying production while enabling configuration changes through their connection mechanism.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The connection means are designed to provide multiple configurations (wall-mounted and under-boiler) using a single universal design. The rotatable connection allows the same device to serve different installation requirements without requiring separate specialized versions.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If 45° sloped coupling surfaces are used, then configuration adjustment is possible, but flow resistance increases

Engineering Contradiction:

Improveconfiguration adjustabilityVSAvoidflow resistance

Core Design Contradiction:

Adaptability or versatilityVSObject-generated harmful factors

Solution Approach 1:

Instead of using sloped surfaces that create flow resistance, the invention uses vertical coupling surfaces that are aligned with the flow direction. This inverts the conventional approach by making the connection surfaces perpendicular to the horizontal plane rather than at 45° angles, thereby eliminating flow resistance while still allowing configuration adjustment through rotation.

Inventive Principle:

Principle #13The other way round (Inversion)

3Adaptability or versatility

If 45° sloped coupling surfaces are used, then configuration change is enabled, but mechanical stresses on coupled areas increase

Engineering Contradiction:

Improveconfiguration flexibilityVSAvoidmechanical stress on coupling areas

Core Design Contradiction:

Adaptability or versatilityVSStress or pressure

Solution Approach 1:

The invention inverts the orientation of coupling surfaces from 45° slopes to vertical alignment. This vertical arrangement ensures that mechanical stresses are distributed evenly along the axis of rotation, preventing concentration of stresses at offset points and enhancing the durability of the connection under various configurations.

Inventive Principle:

Principle #13The other way round (Inversion)

4Adaptability or versatility

If two different dosing device types are manufactured, then specific installation requirements are met, but manufacturing cost and inventory complexity increase

Engineering Contradiction:

Improveinstallation requirement coverageVSAvoidmanufacturing cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The invention creates a universal dosing device that can be installed in multiple configurations (wall-mounted and under-boiler) using the same basic design. The connection means allow the device to adapt to different installation requirements through rotation, eliminating the need to manufacture and stock multiple specialized versions.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The device incorporates a dynamic connection mechanism that allows rotation between portions, enabling the same physical device to achieve different spatial configurations. This dynamic adaptability replaces the need for multiple static device variants, simplifying manufacturing and inventory management.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentEP2729418B1Device for dosing chemicals in heating systems

Publication Date: 2017.10.25 MERCEDES-AMG

AI summary

The device for dosing chemical reagents in heating systems comprises at least a tank (2) for containing at least a chemical reagent, at least a tubular element (3) connectable to a water flow line, mechanical and hydraulic connection means (4) of the tubular element (3) with the tank (2) and comprising at least an outward pipe, suitable for introducing water which crosses the tubular element (3) in the tank (2), and at least a return pipe (6), suitable for bringing water mixed with the reagent from the tank (2) into the tubular element (3), wherein the connection means (4) comprise at least a first and a second portion (8, 9) associated with the tank (2) and with the tubular element (3) respectively, and wherein the second portion (9) is coupled in rotation to the first portion (8) around a substantially horizontal axis (10), removable locking means (11) of the second portion (9) being provided with respect to the first portion (8).