Aroma Therapy Pump Vibration Isolation via Elastomeric Standoffs
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Solution Overview
Problem
Conventional air pumps used in aroma therapy face challenges in reducing sound and vibration, requiring innovative solutions to create a silent, aesthetically pleasing, and compact system with long life, inexpensive components, and easy maintenance.
Innovation Solution
A system featuring a housing with an oscillating motor-driven diaphragm pump, electronic controller for adjustable operation, and elastomeric components for vibration and sound isolation, along with a control system to manage the duty cycle and minimize mechanical and acoustic vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a vibrating motor drives a diaphragm pump, then the pump achieves effective liquid distribution, but sound and vibration increase
Solution Approach 1:
The patent introduces an intermediary housing structure that mechanically isolates the vibrating motor from the pump assembly. This housing acts as a mediator to transmit only the necessary mechanical motion to drive the diaphragm pump while blocking the transmission of vibrations and noise to the external environment, thus resolving the contradiction between effective liquid distribution and reduced sound/vibration.
2Productivity
If the pump operates continuously, then liquid distribution is maintained, but energy consumption and wear increase
Solution Approach 1:
The patent implements periodic action by incorporating a delay mechanism that allows the pump to operate for a predetermined duration and then pause for a specified delay period. This cyclic operation pattern maintains liquid distribution capability while periodically reducing energy consumption and allowing mechanical components to rest, thereby reducing wear and tear.
3Area of stationary object
If the pump is made compact, then footprint is reduced, but mechanical stability decreases
Solution Approach 1:
The patent applies segmentation by dividing the pump assembly into distinct functional modules: a compact pump body, a separate housing structure for vibration isolation, and an external delay control mechanism. This modular segmentation allows each component to be optimized independently - the pump body remains compact while the housing provides stability and vibration isolation, resolving the contradiction between small footprint and mechanical stability.
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 achieves virtually silent operation, aesthetic integration, compact size, and cost-effective maintenance by effectively isolating vibrations and controlling sound through advanced motor and fluid dynamics, ensuring efficient air distribution for aroma therapy applications.
Implementation Method 1
The pump may be of a type having a diaphragm compressing air drawn from the ambient
Implementation Method 2
A system with a housing containing an oscillating motor-driven pump, featuring a diaphragm compressing air and a control system for adjustable operation and delay, along with elastomeric components for vibration and acoustic isolation
Data Source
AI summary
An aromatherapy air pump is damped and largely isolated against acoustic and mechanical transmission of vibrations in three dimensions by a combination of containment within multiple, nested housings and standoffs provided by elastomeric supports having anisotropic geometry. An elastomeric liner as well as unstable legs, physical separations, and hermetic seals combine to provide sound reduction for noise and vibration emanating from the pump and its drive motor.