Jet Hydrotherapy Aeration Chamber for Comfortable High-Velocity Jets
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Solution Overview
Problem
Conventional hydrotherapy tubs with venturi-type water jet aerators often produce aerated water jets that are uncomfortable or painful when directed at sensitive tissue areas due to high water pressure and low air content, and lack a supplemental massage or therapeutic treatment option beyond the jet itself.
Innovation Solution
A system for jet hydrotherapy featuring a unique aeration chamber with optimized fluid and gas inlet orifices and internal geometry, producing high-velocity, highly aerated fluid jets with adjustable air-to-water ratios, and an ergonomically designed therapy ring for tactile engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional venturi-type water jet aerators are used to produce aerated water jets, then water flow and jet velocity are maintained, but air content remains low causing discomfort or pain in sensitive tissue areas
Solution Approach 1:
The aeration chamber is divided into multiple zones including a primary aeration zone with first gas inlet orifices and a secondary aeration zone with second gas inlet orifices. This segmentation allows staged air injection - first air is introduced at the venturi throat to create initial aeration, then additional air is introduced downstream to further increase air content while maintaining jet velocity, thereby reducing discomfort in sensitive areas.
Solution Approach 2:
The aeration chamber acts as an intermediary device between the water supply and the jet nozzle. It provides a controlled environment where air and water can mix thoroughly before discharge, allowing the jet to achieve high air content (up to 50% or more) while maintaining the velocity needed for effective massage therapy without causing pain.
2Speed
If high water pressure jets are used for massage therapy, then jet velocity and massaging effect are improved, but comfort in sensitive tissue areas deteriorates
Solution Approach 1:
The system changes the physical parameters of the jet by introducing large amounts of air into the water stream. This creates an aerated jet with reduced density and modified flow characteristics. The jet maintains sufficient velocity for massage effectiveness but the high air content (50% or more) softens the impact, making it comfortable for sensitive areas like the face, neck, and ears.
Solution Approach 2:
The jet becomes a composite fluid consisting of both water and air phases. This aerated water jet combines the benefits of water's massaging pressure with air's cushioning effect, creating a therapy that is both effective and comfortable for sensitive tissue areas.
3Ease of manufacture
If recessed water jet aerators are used, then integration into tub wall is simplified, but user engagement and tactile massage are limited
Solution Approach 1:
The system merges two previously separate concepts: recessed aerators and tactile massage interfaces. The aerated jet outlet is positioned within a recessed chamber that also contains tactile massage elements (such as raised patterns, ridges, or textured surfaces). This allows users to engage both the aerated water jet and the tactile elements simultaneously, combining hydrotherapy with manual massage in a single integrated feature.
4Adaptability or versatility
If adjustable flow control systems are added to water jet aerators, then operational flexibility is improved, but device complexity increases
Solution Approach 1:
The system provides self-service flow control through manually operable valves or flow control mechanisms that allow users to adjust water and air flow rates according to their preferences. The multi-zone aeration chamber is designed to work effectively across a range of flow conditions, so users can adjust flows without requiring complex electronic controls or automated systems.
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 system provides a more comfortable massage or therapeutic experience by reducing discomfort in sensitive areas with high air content jets and offering supplemental tactile stimulation, enhancing the effectiveness of hydrotherapy treatments.
Implementation Method 1
The venturi process involves mixing a stream of pressurized water with ambient air. This venturi type action occurs in an aeration chamber, with the air being drawn into a low pressure chamber from a passageway that is connected to the ambient atmosphere. The low pressure is created by the flow of water through the low-pressure chamber, across or by an opening for introducing the air.
Data Source
AI summary
A system for jet hydrotherapy configured to produce a fluid jet from an aerated fluid flow at sufficiently high velocities/pressures for massage or therapeutic treatment, which is accomplished by an internal geometry that places, at least, fluid and gas orifices, vessels and nozzles in the optimum location and configuration to create high fluid flow velocities throughout the system. The system also is configured to produce a fluid jet with sufficiently high gas content such that a user experiences less discomfort and/or pain when the fluid jet is applied to sensitive tissue areas. The system also is configured to provide a tactile interface upon which a system user can mechanically engage to supplement the jet hydrotherapy.