Aquarium Nozzle With Random Discharge Jet Pattern
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Solution Overview
Problem
Conventional aquarium circulation systems fail to replicate the natural, unpredictable water currents and movements beneficial for coral growth, as they create linear flow patterns, generate noise, and are complex and costly to maintain.
Innovation Solution
A nozzle with a random discharge jet pattern, featuring an intake cone and a bell with vanes that create helical channels, allowing motive fluid to pull in environmental fluid and produce a central jet that randomly directs fluid to different sides, mimicking ocean currents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional return nozzles discharge water directly out, then the circulation system is simple and inexpensive, but the flow pattern becomes linear and uniform which is harmful to coral growth
Solution Approach 1:
The nozzle is segmented into multiple functional components: an intake cone for water entry, internal vanes that divide the flow into multiple channels, and a bell section that distributes water in random directions. This segmentation transforms a single linear discharge into multiple randomized flow paths, benefiting coral while maintaining manufacturing simplicity.
Solution Approach 2:
Instead of directing water in a single predetermined direction, the nozzle inverts the conventional approach by using internal geometry (vanes and bell shape) to randomize the discharge directions. This inversion creates unpredictable flow patterns that mimic natural ocean currents, directly addressing the harm of linear flow to coral.
2Adaptability or versatility
If mechanical systems with gearing are used to cyclically rotate and direct water, then the flow direction can be changed, but the system generates noise, heat, and friction and requires maintenance
Solution Approach 1:
The patent replaces mechanical rotating systems with gearing (which generate noise, heat, and friction) with a passive geometric system. The internal vanes and bell configuration inherently create randomized flow directions without moving parts, eliminating the harmful effects of mechanical systems while maintaining flow direction versatility.
Solution Approach 2:
The nozzle uses the kinetic energy of the incoming water flow itself to create the randomized discharge pattern through fixed internal geometry. The water's own momentum interacts with the vanes and bell structure to produce multi-directional flow, requiring no external energy input or mechanical actuation systems.
3Adaptability or versatility
If mechanical systems with gearing are used to rotate and direct water, then flow direction can be controlled, but the system becomes complex and expensive to install and replace
Solution Approach 1:
The patent extracts the flow direction control function from complex mechanical systems and implements it through simple fixed geometric features (vanes and bell configuration). By taking out the need for rotating mechanisms and gearing, the design achieves flow direction versatility through passive structural elements that are simple to manufacture and install.
4Ease of manufacture
If conventional nozzles are used, then the system is simple, but the flow pattern does not replicate natural ocean currents which is harmful to coral
Solution Approach 1:
The nozzle applies local quality variations through its internal geometry: the vanes create specific flow separation zones, and the bell shape generates particular turbulence patterns in different regions. These localized flow characteristics combine to produce an overall random discharge pattern that replicates natural ocean currents, supporting coral health while keeping the overall design simple.
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 water circulation in aquariums by creating a more natural, random flow pattern that promotes coral growth while reducing noise and maintenance costs by using durable, easily manufactured components.
Implementation Method 1
When motive fluid moves through the nozzle, environmental fluid is pulled into the channels of the nozzle at the upstream end of the bell, and a central jet in the nozzle randomly pulls to different sides of the nozzle
Implementation Method 2
Vanes couple the bell to the intake cone, and the vanes extend from the outer surface of the intake cone to the inner surface of the bell and then along the inner surface of the bell toward the downstream end thereof. The vanes define a plurality of channels extending along the inner surface of the bell from the upstream end toward the downstream end thereof.
Data Source
AI summary
A nozzle with a random discharge jet pattern includes an intake cone having an upstream end, a downstream end, and an outer surface. The nozzle includes a bell with an upstream end, a downstream end, and an inner surface. The bell is fixed to the intake cone so that the upstream end of the bell encircles the downstream end of the intake cone. Vanes couple the bell to the intake cone, and the vanes extend from the outer surface of the intake cone to the inner surface of the bell and then along the inner surface of the bell toward the downstream end thereof. The vanes define a plurality of channels extending along the inner surface of the bell from the upstream end toward the downstream end thereof.