Rotating Oral Hygiene Nozzle with Converging Jets
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Solution Overview
Problem
Existing waterpik devices are inefficient in removing plaque and food residue from interdental spaces due to their linear or pulsating jets, which do not guarantee optimal hygiene and are often complex and costly, with electric models requiring additional pumps for air-water mixing.
Innovation Solution
A water dispenser nozzle that automatically directs water jets at different angles to create a vortex effect, allowing for air-water mixing without electric pumps, using a simple construction with a rotating element and converging jets to optimize cleaning in tight spaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If parallel pulsating or continuous jets are used in waterpik devices, then the cleaning action is generally satisfactory, but the hygienic effect is not optimal because the jets cannot completely remove plaque and food residue from narrow interdental spaces
Solution Approach 1:
The patent applies the dynamics principle by making the nozzle rotate to dynamically change the direction of water jets. The rotating nozzle delivers water jets at multiple different angles sequentially, allowing the jets to reach into narrow interdental spaces from various directions, thereby improving the hygienic effect without adding complex mechanical components like pumps.
Solution Approach 2:
The patent implements periodic action through the rotation of the nozzle, which periodically changes the orientation of water jets. As the nozzle rotates, it delivers jets at different angles in a periodic manner, enabling thorough cleaning of interdental spaces by alternating the attack direction of water jets against plaque and food residue.
2Reliability
If electric pumps are added to create air-water mixture for disinfectant effect, then the sanitized effect is improved, but the device becomes bulky and complex with higher production cost
Solution Approach 1:
The patent extracts the air-water mixing function from the complex electric pump system and implements it through a simplified mechanical rotation mechanism. By removing the need for electric pumps and air mixing components, the device achieves its hygienic and cleaning functions through the rotational delivery of water jets alone, significantly reducing device complexity and production cost.
Solution Approach 2:
The rotating nozzle system is self-driven, likely by the water pressure itself, eliminating the need for external electric pumps or power sources. The system serves itself by using the incoming water flow to drive the rotation, thereby achieving multi-angle jet delivery without adding complex powered components.
3Productivity
If water jets are delivered in parallel directions, then the device structure is simple, but the cleaning effectiveness in narrow spaces between teeth and gums is limited
Solution Approach 1:
The patent transforms the static parallel jet delivery into a dynamic multi-directional system. The nozzle rotates to change the delivery direction of water jets, allowing them to penetrate narrow spaces between teeth and gums from multiple angles, thereby significantly improving cleaning effectiveness without complicating the device structure.
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 nozzle effectively removes plaque and food residue from narrow spaces between teeth and gums, enhancing hygiene while simplifying the device structure and reducing production costs by eliminating the need for complex electric components.
Implementation Method 1
a water container connected to a water dispensing pump through a nozzle dispenser, in association with an additional pump for a mixture of air with this water in order to create a water jet containing microbubbles
Implementation Method 2
A water dispenser nozzle that automatically directs water jets at different angles to create a vortex effect
Data Source
AI summary
A water supply nozzle for oral hygiene and, in particular, to a nozzle or pick to be mounted on a water supply system for oral hygiene that includes a head for the dispensing of water jets that alternate and converge at one point, in association with cleaning bristles. The nozzle preferably includes an internal venturi duct for passage of water that is connected externally through an air intake hole for the mixing with water.