Tubular Suction Strainer Venting for Compact Air Bubble Removal
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Solution Overview
Problem
Existing suction strainers face challenges in compactly and efficiently removing air bubbles due to the size and complexity of their check valve mechanisms, which increase the overall size of the device.
Innovation Solution
A suction strainer design featuring a tubular filtration section with an upper plate having an air vent hole and a moving member that can be positioned to open or close the air vent hole, allowing for a compact and simple air vent structure to remove air bubbles, utilizing a rod-shaped member and a plate-shaped moving member with projections to prevent close contact and ensure easy movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a check valve with valve main body and valve body is provided on the first lid member, then air bubbles can be removed, but the device size increases
Solution Approach 1:
The invention extracts the air vent hole from the lid member structure and relocates it to the first end plate of the strainer element. This allows the air vent function to be performed by a simpler structure (just a hole in the plate) rather than requiring a complex check valve assembly mounted on the lid, thereby reducing the overall device size while maintaining air bubble removal capability
Solution Approach 2:
The first end plate of the strainer element serves multiple functions: it acts as a structural component of the strainer, provides mounting for the air vent hole, and functions as the air vent structure itself. This multi-functionality eliminates the need for separate air vent components, reducing device complexity and size
2Reliability
If a check valve structure is used for air venting, then air bubbles can be removed, but the structure becomes complex
Solution Approach 1:
The invention extracts the air vent hole from the lid member structure and relocates it to the first end plate of the strainer element. This allows the air vent function to be performed by a simpler structure (just a hole in the plate) rather than requiring a complex check valve assembly mounted on the lid, thereby reducing the overall device size while maintaining air bubble removal capability
Solution Approach 2:
The first end plate of the strainer element serves multiple functions: it acts as a structural component of the strainer, provides mounting for the air vent hole, and functions as the air vent structure itself. This multi-functionality eliminates the need for separate air vent components, reducing device complexity and size
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 design effectively removes air bubbles while maintaining a compact configuration, preventing air vent protrusion and ensuring the air vent structure is simple and efficient, allowing for effective operation within hydraulic oil tanks.
Implementation Method 1
The moving member is provided to be movable between a position of closing the air vent hole and a position of opening the air vent hole
Data Source
AI summary
Air bubbles are removable with the use of an air vent structure having a compact and simple configuration. An air vent hole is formed in an upper plate that covers an entire upper end surface of a filtration section having a substantially tubular shape formed by bending a thin plate in a pleat shape. A moving member is provided to be movable between a position of closing the air vent hole and a position of opening the air vent hole.