Air Spring Venting Structure for Dust and Sand Filtration
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Solution Overview
Problem
Existing air springs for vehicles are unable to effectively filter dust and sand from the air, leading to potential damage to the rubber bladder and frequent replacement of filter screens, which compromises their performance and service life.
Innovation Solution
An air spring design featuring a dust-proof shade, an upwardly open inner core with first and second breathing holes, and internal baffles that create sand accommodating chambers, allowing air to enter and exit while gravity separates dust and sand, preventing them from entering the bladder chamber.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a filter screen is provided at the air inlet to filter dust and sand, then the filtering function is provided, but the filtering effect is poor and the filter screen requires frequent replacement
Solution Approach 1:
The air spring structure itself serves as the dustproof device. The inner core with breathing holes and the dustproof shade work together to create a self-filtering system that uses the air spring's own structure and operation to separate dust from air, eliminating the need for separate filter screens that require replacement.
Solution Approach 2:
The dustproof shade acts as an intermediary element between the air inlet and the bladder. It creates a dustproof chamber that mediates the separation of dust particles from the air flow through gravitational settling, protecting the bladder without requiring direct contact between dust and the bladder.
2Device complexity
If the venting structure is used without dust filtration, then the structure is simple, but dust and sand enter the bladder causing damage or failure
Solution Approach 1:
The venting structure is segmented into multiple functional zones: the air inlet, the dustproof chamber formed by the dustproof shade, the inner core with breathing holes, and the bladder chamber. This segmentation allows dust to be separated in the dustproof chamber before air enters the bladder, maintaining simplicity while providing protection.
Solution Approach 2:
The dustproof shade extends vertically to create a three-dimensional dustproof chamber above the air inlet. This vertical dimension allows dust particles to settle under gravity before air enters the bladder through the inner core, adding a spatial dimension to the filtration process without significantly increasing structural complexity.
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
This design enhances the filtering effect of dust and sand, reducing the need for frequent filter screen replacements and protecting the bladder, thereby improving the service life and performance of the air spring.
Implementation Method 1
allowing air to enter and exit while gravity separates dust and sand, preventing them from entering the bladder chamber
Data Source
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AI summary
The disclosure relates to an air spring for a vehicle and a vehicle. The disclosure aims to solve the problems of, in an existing air spring for a vehicle, a poor filtering effect and frequent replacement of a filter screen. To this end, an air spring for a vehicle according to the disclosure comprises a dust-proof shade, an inner core and a bladder, wherein the inner core is in the shape of an upwardly open barrel, the dust-proof shade surrounds an outer side of a sidewall of the inner core, the dust-proof shade encloses a chamber with the sidewall of the inner core, and the bladder is arranged inside the chamber; and the sidewall of the inner core is provided with a first breathing hole and a second breathing hole, an inner side of the inner core is in communication with the outside through the first breathing hole, the inner side of the inner core is in communication with the chamber through the second breathing hole, and the first breathing hole and the second breathing hole are both arranged away from a bottom portion of the inner core. The dust and sand is prevented from entering the chamber together with the air, the filtering effect is improved, the bladder arranged inside the chamber is protected from being damaged, and the service life of air spring is increased.