Rotating Filter Separator for Agricultural Sprayer Water Filtration
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Solution Overview
Problem
Existing field sprayers face inefficiencies in filtering and cleaning fresh water from external sources due to inadequate filtration of contaminants, particularly in modern agricultural sprayers with small fluid components.
Innovation Solution
Implementing a rotating filter and separator device that utilizes centrifugal forces to separate contaminants from fresh water, potentially combined with classic sieve-like filters, and incorporating adjustable and self-cleaning features to enhance filtration efficiency and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional filter devices with sieve-like filter inserts are used, then coarse particles can be retained, but fine particles and contaminants cannot be effectively removed for small cross-section fluid components
Solution Approach 1:
The patent changes the filtration mechanism from static sieve filtering to dynamic centrifugal separation by rotating the filter device at high speeds (typically 1000-5000 rpm). This parameter change enables the separation of fine particles and contaminants that conventional static filters cannot remove, while maintaining effectiveness for small cross-section fluid components
Solution Approach 2:
The patent replaces the conventional mechanical sieve filter system with a centrifugal separation system that uses rotational motion and centrifugal forces. This substitution achieves superior filtration of fine particles without requiring complex multi-stage filtering mechanisms
2Reliability
If filter devices are designed for high filtration efficiency, then maintenance requirements increase due to frequent cleaning needs
Solution Approach 1:
The patent implements self-cleaning functionality through the rotational motion of the filter device. The centrifugal forces generated during rotation automatically flush accumulated contaminants outward and away from the filtering surfaces, enabling the system to clean itself during normal operation without requiring manual intervention or frequent maintenance stops
3Device complexity
If static filter devices are used, then the structure is simple, but filtration efficiency for fine particles is insufficient
Solution Approach 1:
The patent transforms the static filter structure into a dynamic rotating system. The rotation creates centrifugal forces that enhance particle separation efficiency, allowing the relatively simple rotating drum structure to achieve superior filtration of fine particles compared to complex static multi-stage filters
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
Effectively removes contaminants from fresh water using centrifugal forces, improving water quality and reducing maintenance needs, thereby enhancing the operational reliability and efficiency of field sprayers.
Implementation Method 1
the filter and/or separation device is designed to set the fresh water into rotation at least in sections... impurities contained in the fresh water, in particular solid particles, can be separated from the fresh water by utilizing centrifugal and/or centrifugal forces resulting from the rotation
Data Source
Figure 1
AI summary
An agricultural field sprayer (10) with at least one induction device (20) for supplying fresh water (W) from an external source (G), comprising at least one container (11) associated with the field sprayer (10), into which the fresh water (W) can be supplied via the induction device (20); and at least one filter and/or separator device (30) for cleaning the supplied fresh water (W), which is preferably arranged in the area of the induction device (20). In order to provide an agricultural field sprayer (10) in which the filtration and/or cleaning of fresh water (W) supplied and/or supplyable from external sources (G) is improved in a simple manner, it is provided that the filter and/or separator device (30) is configured to impart rotation to the fresh water (W), at least in sections.