MEMS Fluid Dispenser with Adaptive Rate Control

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing material dispensing systems are primarily designed for industrial or mass production, lacking a scalable and precise solution for individualized, targeted dispensing in personal use environments.

Innovation Solution

A Micro Electro Mechanical System (MEMS) element coupled with sensors and a controller, allowing for adjustable fluid dispensing rates and directions based on environmental changes, enabling precise and adaptive dispensing of materials into various environments.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If industrial-scale dispensing systems are used, then mass production capability is improved, but adaptability to individualized personal use deteriorates

Engineering Contradiction:
Improvemass production capabilityVSAvoidadaptability to personal use
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The patent segments the dispensing system into a portable personal device and a separate docking station. The personal device contains essential dispensing components (reservoir, nozzle, battery) to enable individualized use, while the docking station provides industrial-scale processing capabilities. This segmentation allows the system to serve both mass production and personal use scenarios.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The docking station serves multiple functions: it acts as a charging station for the personal device, a processing center for material preparation, and a communication hub. The personal device can operate independently for personal use or dock for industrial-scale operations, making the overall system versatile across different usage scenarios.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Manufacturing precision

If precise targeted dispensing is implemented, then application accuracy is improved, but device complexity increases

Engineering Contradiction:
Improveapplication accuracyVSAvoiddevice complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The system incorporates sensors that detect environmental conditions (such as presence of user, ambient temperature, humidity) and provide feedback to the controller. The controller adjusts dispensing parameters based on this feedback to maintain application accuracy without requiring complex manual calibration or adjustment mechanisms.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The dispensing system includes automatic features such as self-cleaning of nozzles, automatic reservoir refilling from the docking station, and self-diagnosis capabilities. These self-service functions reduce the need for complex user interfaces and manual maintenance procedures, thereby reducing operational complexity while maintaining precision.

Inventive Principle:
Principle #25Self-service

3Productivity

If continuous fluid discharge is used, then productivity is improved, but material waste increases

Engineering Contradiction:
Improvedispensing rateVSAvoidmaterial waste
Core Design Contradiction:
ProductivityVSLoss of substance

Solution Approach 1:

The system uses periodic or pulsed dispensing action instead of continuous discharge. The controller activates the pump or pressure system in periodic cycles, dispensing fluid in controlled bursts. This periodic action maintains high productivity during active dispensing phases while eliminating material waste during idle periods when the system is not actively dispensing.

Inventive Principle:
Principle #19Periodic action

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

Enables precise and adaptive dispensing of materials at an individualized scale, accommodating diverse environmental conditions and applications, such as cosmetics and surface treatments, with improved efficiency and precision.

Implementation Method 1

a MEMS element coupled to a fluid reservoir and adapted to dispense fluid at a plurality of non-zero rates

Methodology Applied
Scientific EffectMEMS (Micro Electro Mechanical System): Microelectromechanical Systems

Data Source

PatentUS9592666B2Material dispensing system and methods
Publication Date: 2017.03.14 PROCTER & GAMBLE CO
  • US9592666B2 patent drawing
  • US9592666B2 patent drawing

AI summary

A system and method for dispensing a fluid within an environment. The method includes the steps of: providing a dispensing system within an environment; discharging fluid from the dispensing system at a first, non-zero rate; detecting a change in the environment; and discharging fluid at a second rate after detecting the environmental change. The system comprises: a MEMS element coupled to a fluid reservoir and adapted to dispense fluid at a plurality of non-zero rates; at least one sensor; and a controller in communication with the MEMS element and at least one sensor and adapted to receive an output from the sensor and to alter the dispensing rate of the MEMS element according to the sensor output.