Fluid Filter Audible Notification and Anti-Clogging Design
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Solution Overview
Problem
Fluid filter systems face issues with improper filter installation leading to potential leaks and clogging of the fluid path, which can go undetected during replacement, necessitating features for ensuring proper alignment and reducing blockages.
Innovation Solution
Incorporating audible features in the filter assembly and cartridge, such as actuators and teeth, to generate sounds during installation and removal, and a fluid delivery port with a groove to minimize clogging, ensuring correct alignment and reducing sediment accumulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional filter systems are used without audible notification features, then the device complexity is low, but the reliability of proper installation cannot be confirmed and leaks may go undetected
Solution Approach 1:
The patent replaces complex electronic monitoring systems with a simple mechanical audible notification system. The actuator mechanism with teeth engages during installation to produce audible clicks, providing reliable installation confirmation without requiring electronics, batteries, or complex circuitry. This mechanical approach maintains low device complexity while achieving high reliability in installation verification.
2Reliability
If filter systems lack installation notification features, then the ease of operation is high, but the user cannot detect improper installation or leaks
Solution Approach 1:
The filter cartridge performs self-verification of installation through the audible notification system. During installation, the actuator automatically engages with the teeth on the filter manifold, producing audible clicks that confirm proper seating without requiring user intervention or external monitoring devices. The system serves itself by providing built-in feedback that simplifies the user's task of verifying correct installation.
3Productivity
If the fluid delivery port is provided without anti-clogging features, then the device complexity is low, but the fluid path becomes clogged with sediment and particulates
Solution Approach 1:
The filter system performs preliminary filtration of sediment and particulates before they can clog the fluid delivery port. The filter cartridge is positioned to pre-filter incoming water, removing contaminants upstream of the delivery port. This preliminary action prevents clogging without requiring complex anti-clogging mechanisms at the delivery port itself, maintaining simple device design while ensuring continuous fluid flow.
4Reliability
If audible actuators are added to the filter cartridge, then the reliability of installation confirmation is improved, but the device complexity increases
Solution Approach 1:
The patent changes the physical parameters of the actuator mechanism to optimize the audible notification. The teeth are designed with specific dimensions and spacing to produce distinct audible clicks at particular engagement points. The actuator's mechanical properties (spring constant, mass, geometry) are tuned to generate sufficient acoustic signal strength for reliable detection. These parameter optimizations ensure high reliability of installation confirmation while keeping the mechanism simple and manufacturable.
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 audible signals confirm proper filter installation and operation, while the fluid delivery port design minimizes clogging, enhancing user convenience and system reliability by preventing leaks and maintaining fluid flow.
Implementation Method 1
at least one actuator positioned adjacent to the filter outlet and extending into contact with the plurality of teeth during installation of the filter cartridge onto the filter manifold, the actuator configured for providing an audible signal as the filter cartridge is installed
Data Source
AI summary
Audible features are provided for a fluid filter assembly and a filter cartridge for use with a fluid filter assembly. The audible features generate sound when the filter cartridge is installed in the filter system so as to provide a signal indicating proper installation. Sound can also be created when the filter cartridge is removed. The filter system can also be provided with features for reducing clogging of the fluid path leading to the filter element.