Hydroponic Flood Table Fill Drain Fitting Strainer Adjustment
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Solution Overview
Problem
Conventional fill and drain fittings for hydroponic flood tables require multiple modular couplings to adjust the water level, which is complex and not easily manageable.
Innovation Solution
A simplified fill and drain fitting assembly featuring a tubular housing with a telescopically adjustable and rotatable strainer, secured by friction fit means, eliminating the need for modular couplings to adjust the water level, allowing for easy height adjustment and secure locking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional modular couplings are used to adjust water level, then water level adjustment is achievable, but device complexity increases
Solution Approach 1:
The drain fitting is divided into a body portion and a separately attachable strainer component. This segmentation allows the strainer to be independently adjusted to different heights on the exterior surface of the body, providing water level adjustment capability without requiring multiple internal modular couplings. The strainer can be positioned at various heights and secured with a retaining ring, simplifying the overall structure while maintaining adjustability.
Solution Approach 2:
The strainer is positioned on the exterior surface of the body rather than being contained entirely within internal couplings. This dimensional change moves the adjustment mechanism from an internal stacked coupling arrangement to an external surface-mounted configuration, reducing device complexity while preserving water level adjustment functionality.
2Measurement precision
If multiple modular couplings are stacked to adjust water level, then water level control is precise, but ease of operation deteriorates
Solution Approach 1:
The strainer is pre-formed with external threading that matches the body's internal threading. This preliminary preparation allows the strainer to be directly screwed onto the body at a desired height position without requiring complex assembly of multiple couplings. The retaining ring further simplifies securing the strainer in place, making the operation straightforward while maintaining precise water level control through height selection.
Solution Approach 2:
The strainer is designed to be removable and repositionable on the exterior surface of the body. This dynamic configuration allows easy adjustment of the water level by simply detaching and reattaching the strainer at different heights, rather than having to disassemble and reassemble multiple fixed couplings. The operation becomes more intuitive and easier to perform.
3Ease of manufacture
If strainer is secured by friction fit in prior art, then assembly is simple, but reliability of water level maintenance deteriorates
Solution Approach 1:
The invention combines two securing mechanisms: threaded engagement between the strainer and body, plus a retaining ring that locks the strainer in place. This merging of mechanical fastening methods provides reliable positioning stability while maintaining ease of assembly and disassembly. The threaded connection ensures proper alignment and initial securing, while the retaining ring prevents accidental displacement during operation.
Solution Approach 2:
The retaining ring is designed with a curved configuration that fits over the strainer and engages with the body's exterior surface. This curved geometry provides reliable mechanical locking through friction and geometric constraint, ensuring the strainer maintains its positioned height without slipping, while still allowing easy removal when needed for adjustment.
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 provides a straightforward and effective method to adjust and maintain the desired water level in hydroponic flood tables, reducing complexity and enhancing usability by eliminating the need for multiple couplings, ensuring efficient water management and plant safety.
Implementation Method 1
means for releasably locking said strainer at said predetermined height within said housing
Data Source
AI summary
A fill and drain fitting assembly for a hydroponic flood table having a fill fitting to permit water to be pumped into the flood table and an overflow drain fitting which is mountable in an outlet opening of the flood table. The overflow drain fitting including a housing and a strainer which is partially received within the housing. The strainer includes at least one inlet opening formed therein and is vertically adjustable within the housing to a predetermined height. The drain fitting strainer is releasably locked at the predetermined height within the drain fitting housing, to permit water in the flood table which is above the predetermined height to enter the at least one inlet opening of the strainer and exit the bottom end of the drain fitting strainer and, in turn, the bottom end of the drain fitting housing via a fluid transmission channel established therebetween.