Pot Filler Faucet Valve With Bidirectional Shutoff Feedback
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Solution Overview
Problem
Existing pot filler faucets lack a stand-alone valve that can be easily mounted and removed, provide bidirectional rotation for opening and closing, and offer sensory feedback for valve closure.
Innovation Solution
A valve design featuring an internally threaded body for securement to a pot filler faucet, a rotatable nozzle with coaxial valve bodies for water control, and a hand wheel for rotation, along with a plunger and spring mechanism for tactile and auditory feedback on valve position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a valve is integrated into the pot filler spout, then the valve control function is provided, but the valve cannot be easily removed or replaced
Solution Approach 1:
The valve is designed as a separate, modular component that can be independently installed on or removed from the pot filler spout. The valve body includes external threads that mate with internal threads in the spout, creating a separable connection rather than an integrated permanent fixture. This segmentation allows the valve to be replaced without replacing the entire spout assembly.
Solution Approach 2:
The valve is designed to fit within or attach to the existing spout structure, with the valve body containing internal passages that align with the spout's water flow path. The collar portion of the valve can be positioned within the spout housing, creating a nested arrangement where the valve functions as a sub-component while maintaining replaceability.
2Ease of operation
If a valve requires unidirectional rotation to open, then the valve mechanism is simple, but the operation is less efficient
Solution Approach 1:
The valve mechanism allows bidirectional rotation for opening and closing operations. The valve disc can be rotated in either direction to change its angular position relative to the valve body, providing dynamic control flexibility. This bidirectional capability allows users to open or close the valve by rotating the handwheel in the most convenient direction without requiring a fixed rotational sequence.
3Loss of information
If no sensory indication is provided for valve position, then the valve structure is simple, but the user cannot confirm valve closure
Solution Approach 1:
The valve incorporates a plunger indicator mechanism that provides tactile and visual feedback about the valve's open/closed state. The plunger is positioned to be visible through a window in the valve body, and its position changes as the valve disc rotates. When the valve is closed, the plunger moves to a specific position that can be observed, providing confirmation of the valve state without requiring complex electronic or mechanical feedback 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
Enables easy mounting and removal, bidirectional rotation for efficient water control, and provides sensory indication of valve openness, enhancing user experience and operational convenience.
Implementation Method 1
a spring provided to bias the plunger against the flange of the nozzle
Data Source
AI summary
The valve is threaded onto the pot filler faucet and is opened and closed by turning of the hand wheel secured to the nozzle either clockwise or counter-clockwise. The ceramic valve discs within the valve have pairs of passages that provide either opening or closing of the valve for each 90° turn of the hand wheel. A spring actuated plunger between the valve body and the rotatable nozzle provides an audible sound when moved into a recess in a flange of the nozzle.