Spring Spout Pulldown Faucet for Flexible Reach and Touch Control
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Solution Overview
Problem
Pulldown kitchen faucets lack the versatility of pre-rinse functionality and flexibility in reach, limiting their operational modes and user convenience.
Innovation Solution
A pulldown kitchen faucet design incorporating a spring spout with a helical spring and a flexible tube, allowing for vertical and horizontal motion, combined with a pulldown sprayer functionality, featuring multiple operational modes and a capacitive sensor for touch-activated water control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional pulldown kitchen faucet is used, then the structure is simple, but the operational versatility is limited
Solution Approach 1:
The patent integrates multiple operational modes into a single faucet system: traditional pulldown spray mode, spring spout pre-rinse mode, and hybrid modes. The spring spout can independently provide pre-rinse functionality while the pulldown sprayhead provides main washing, creating a multi-functional system that resolves the contradiction between versatility and complexity.
Solution Approach 2:
The faucet is divided into functionally independent segments: the spring spout assembly for pre-rinse operations and the pulldown sprayhead assembly for main washing. This segmentation allows each component to perform its specialized function while maintaining overall system versatility without excessive complexity.
2Length of moving object
If a rigid spout structure is used, then the manufacturing is simple, but the reach flexibility is limited
Solution Approach 1:
The spring spout incorporates a helical spring structure that provides flexible reach adjustment while maintaining structural integrity. The spring allows the spout to extend and retract smoothly, providing reach flexibility similar to thin film flexibility, while the helical design maintains manufacturing simplicity through standard spring fabrication processes.
3Ease of operation
If manual water control is used, then the device complexity is low, but the ease of operation is reduced
Solution Approach 1:
The patent replaces manual mechanical water control with a capacitive sensor system that detects the presence of hands or objects near the spout. This substitution enables hands-free operation by using electrical field detection instead of mechanical valve operation, improving ease of operation while adding only moderate complexity through the sensor system.
Solution Approach 2:
The capacitive sensor system automatically detects user presence and activates water flow without requiring manual intervention. The system serves itself by using the user's own presence as the trigger mechanism, eliminating the need for separate control actions and improving ease of operation.
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
Enhances user convenience with multiple operational modes and flexible reach, providing efficient water distribution and hands-free operation, while maintaining aesthetic appeal and durability.
Implementation Method 1
a spring spout including a helical spring having opposing first and second ends, the first end coupled to the spout base
Implementation Method 2
a capacitive sensor for touch-activated water control
Data Source
AI summary
A faucet including a spring spout supporting a spout nest, and a sprayhead releasably coupled to the spout nest. A docking cradle is supported by the spout base and is configured to releasably couple to the spout nest. The faucet may include a capacitive sensor operably coupled to the spring spout by at least one capacitive coupling.