Integral Dripper with Filter Section for Blockage Prevention
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Solution Overview
Problem
Drippers in irrigation systems are prone to blockages due to the lack of a filter mechanism, leading to performance issues and unnecessary plastic waste from frequent replacements, as they are difficult to clean and disassemble.
Innovation Solution
A single-piece, integral dripper apparatus with a filter section and flow restriction section that includes multiple filtration stages and a conduit to ensure fluid communication, preventing particulates from entering the flow restriction section and allowing for regulated water flow without blocking, and featuring a gripping portion for easy insertion and removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a multi-part housing design is used with a restrictor, then the dripper can regulate water flow, but it becomes difficult to clean and prone to blockages
Solution Approach 1:
The patent combines the housing and restrictor into a single integrated component. The restrictor is formed as an integral part of the housing body, eliminating the need for separate parts that would require assembly and disassembly for cleaning. This merging resolves the contradiction by maintaining flow regulation functionality while enabling easy cleaning through the smooth, seamless surface of the integrated design.
Solution Approach 2:
The patent extracts the restrictor function from a separate component and integrates it directly into the housing structure. By embedding the flow restriction feature within the housing itself rather than using a separate restrictor element, the design eliminates interfaces where particulates could accumulate, thereby improving cleanability while preserving flow regulation.
2Device complexity
If no filter mechanism is provided, then the dripper structure remains simple, but particulates enter and block the flow restriction section
Solution Approach 1:
The patent applies local quality by creating a filtered flow path within the housing. A filter section is integrated into specific regions where water enters, allowing particulate removal at critical locations without requiring a complete filter system throughout the entire dripper. This localized filtration maintains structural simplicity while effectively preventing blockages in the flow restriction section.
Solution Approach 2:
The patent introduces a filter section as an intermediary element between the water inlet and the flow restriction section. This filter acts as a mediator that captures particulates before they can reach and block the restrictor, thereby improving blockage resistance while adding minimal complexity to the overall structure.
3Adaptability or versatility
If the dripper is made as separate components, then assembly provides functional advantages, but disassembly for cleaning becomes impractical
Solution Approach 1:
The patent merges the housing and restrictor into a single non-disassemblable unit. This integration maintains the functional advantages of a coordinated design while eliminating the need for disassembly during cleaning. The seamless construction allows water and cleaning solutions to flow through all internal passages without requiring component separation, thereby improving cleaning accessibility.
4Reliability
If frequent replacement is chosen over cleaning, then performance is maintained, but plastic waste increases
Solution Approach 1:
The patent enables self-service cleaning through its integrated design. The seamless housing with no internal interfaces allows the dripper to be easily rinsed and cleaned in place without disassembly. This self-cleanable design extends the service life of the dripper, reducing the frequency of replacement and thereby decreasing plastic waste while maintaining reliable performance.
Solution Approach 2:
The patent facilitates the recovery and continued use of the dripper through easy cleaning capabilities. By enabling simple maintenance without replacement, the design extends the operational life of each dripper unit, reducing the rate at which plastic components are discarded and contributing to waste reduction goals.
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 solution effectively filters out dirt and particulates, reducing the likelihood of blockages and extending the time between servicing, while allowing for easy cleaning and reducing plastic waste by eliminating the need for disassembly and reassembly.
Implementation Method 1
a filter section provided along a portion of the shaft, extending from the first, inlet end
Implementation Method 2
a flow restriction section provided along a portion of the shaft, adjacent the filter section and extending partway toward the second, outlet end
Data Source
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AI summary
The present invention provides a dripper apparatus for use with an irrigation system. The apparatus comprises an elongate shaft, having a first inlet end; a second, opposing outlet end; a filter section provided along a portion of the shaft, extending from the first, inlet end; a flow restriction section provided along a portion of the shaft, adjacent the filter section and extending partway toward the second, outlet end; a central bore extending within the shaft from the flow restriction section to the second, outlet end, defining an outlet aperture; and a conduit provided to ensure fluid communication between the flow restriction section and the central bore. The present invention also provides an irrigation system including one or more tube members having dripper apparatus at least partly received therein.