Filter Bypass Valve Assembly With Diffuser for Bubble Separation
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Solution Overview
Problem
Existing filters and bypass valve arrangements are inefficient and unreliable in removing undesirable media from fluids, and there is a need for improved assembly and sealing mechanisms to enhance their functionality.
Innovation Solution
A bypass valve arrangement with a movable valve closure body and valve seat connected via a mechanical rotation mechanism, allowing for easier assembly and improved sealing, combined with a diffuser device to calibrate fluid flow and enhance separation of gas bubbles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a bypass valve arrangement is added to enable fluid bypass when filter element is clogged, then system reliability is improved, but device complexity increases
Solution Approach 1:
The bypass valve arrangement is integrated into the filter housing structure, combining the filtering function and bypass function into a single compact unit. The valve closure body is movably arranged within the valve housing that is formed as an integral part of the filter housing, eliminating the need for separate bypass valve components and reducing overall system complexity while maintaining reliability.
Solution Approach 2:
The filter housing serves multiple functions: it contains the filter element for filtration, houses the bypass valve arrangement for alternative flow paths, and provides structural support for the entire filtration system. This multi-functionality reduces the number of separate components needed, thereby improving reliability without proportionally increasing device complexity.
2Ease of manufacture
If a movable valve closure body with mechanical connection is used, then ease of assembly is improved, but manufacturing precision requirements increase
Solution Approach 1:
The bypass valve arrangement is divided into separable components: the valve closure body that can move independently, the valve seat element that can be separately positioned, and the valve housing that provides the structural framework. This segmentation allows each component to be manufactured and assembled separately, improving ease of assembly while distributing precision requirements across multiple simpler manufacturing operations.
Solution Approach 2:
The valve seat element acts as an intermediary component between the movable valve closure body and the valve housing. It provides a stable mounting surface for the closure body to seal against, mediating the mechanical connection and reducing the precision requirements for the overall assembly by creating a localized sealing interface.
3Reliability
If a diffuser device is added to separate gas bubbles from filtered fluid, then separation effectiveness is improved, but device complexity increases
Solution Approach 1:
The diffuser device is integrated into the outlet structure of the filter housing, combining the fluid outlet function with the gas bubble separation function. The diffuser channels are formed as part of the housing structure, eliminating the need for separate external separation devices and reducing overall system complexity while improving separation effectiveness.
4Ease of operation
If valve seat element is connected via mechanical rotation, then ease of operation is improved, but manufacturing precision requirements increase
Solution Approach 1:
The valve closure body is designed to be movable rather than fixed, allowing it to dynamically adjust its position in response to pressure differences across the filter element. This dynamic capability enables automatic bypass activation without complex manual operation mechanisms, improving ease of operation while the rotational connection provides a simple mechanical interface that is tolerant of manufacturing variations.
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 improved filter design enables more efficient and reliable removal of contaminants, with enhanced assembly and sealing capabilities, and better separation of gas bubbles, resulting in improved fluid treatment.
Implementation Method 1
a diffuser device for calibrated outflow of the filtered fluid and/or for separation of gas bubbles from the filtered fluid
Data Source
AI summary
A filter for filtering fluid has a filter housing with fluid inlet for fluid to be filtered and fluid outlet for filtered fluid. A filter element arranged in the filter housing separates fluid inlet fluidically from fluid outlet. A bypass valve arrangement is arranged fluidically between fluid inlet and fluid outlet such that it fluidically connects in an open state fluid inlet to fluid outlet. The bypass valve arrangement has a valve closure body arranged movably in the valve housing between a closed position and an open position. The bypass valve arrangement has a valve seat element with valve seat. The valve closure body rests sealingly at the valve seat in closed position. The valve seat element is connected to a part of the valve housing by a mechanical connection realized by relative rotation between valve seat element and part of the valve housing about a valve axis.