Rotary Valve Tap Attachment for Pulsating Razor Cleaning
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Solution Overview
Problem
Existing devices for cleaning wet razor blade heads are inefficient due to soft water jets from standard taps, which are often mixed with air, leading to inadequate cleaning and trapping of beard stubbles, and previous solutions are complex or unsuitable for generating sufficient pressure.
Innovation Solution
A device with a housing attachable to a water tap outlet, featuring a rotary valve mechanism with offset blades that direct tap water through multiple channels, creating a pulsating water jet with increased pressure by alternating flow through channels of varying diameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stress or pressure
If a standard water tap with aerated jet regulator is used, then water is supplied continuously, but the water jet is too soft and mixed with air to clean wet razor blade heads effectively
Solution Approach 1:
The water flow is segmented into multiple separate jets through the use of a star-shaped body with multiple outlets. Instead of a single continuous flow, the water is divided into several discrete streams that can be directed at different angles to effectively remove beard stubbles from the razor blade head.
Solution Approach 2:
The device implements periodic action through the alternating flow pattern created by the star-shaped body and outlet arrangement. The water jets are delivered in a pulsating manner that allows for effective cleaning cycles, alternating between different outlet positions to prevent stubble entanglement while maintaining cleaning effectiveness.
2Quantity of substance
If a large cross section water jet is used, then water flow rate is high, but beard stubbles are wedged more deeply in the intermediate spaces and trapped therein
Solution Approach 1:
The single large water jet is segmented into multiple smaller jets through the star-shaped body with multiple outlets. This segmentation allows the water flow to reach into the intermediate spaces between razor blade elements without creating a single large stream that would wedge and trap stubbles. The multiple smaller jets can penetrate and flush out stubbles from hard-to-reach areas.
Solution Approach 2:
Different outlets of the star-shaped body are positioned to direct water jets at specific locations on the razor blade head. This local quality approach ensures that water is delivered precisely where needed - targeting the intermediate spaces and cutting edges - rather than applying a single large jet that would miss these critical areas and cause stubble trapping.
3Duration of action of stationary object
If permanent water jet action is applied, then continuous cleaning is achieved, but shaved beard stubbles are wedged more deeply in the intermediate spaces
Solution Approach 1:
The device employs periodic action through its alternating flow pattern from multiple outlets. Instead of continuous permanent jet action, the water flow alternates between different outlet positions, creating pulses that effectively dislodge and remove stubbles without allowing them to become wedged. This periodic delivery prevents the accumulation and entanglement of beard stubbles while maintaining effective cleaning over time.
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 device generates a pulsating water jet with enhanced pressure, effectively cleaning razor blade heads by dislodging and removing beard stubbles without wedging them further, improving cleaning efficiency over prior solutions.
Implementation Method 1
generating at least one pulsating water jet
Implementation Method 2
increasing the flow rate of the tap water exiting the water outlet
Data Source
AI summary
A device (1) for cleaning for example a single or multi-bladed wet razor head. The device includes a housing (2) which has a water through-flow opening (20) that can be mounted on an outlet of a sanitary outlet fitting. At least one mechanism (21) is arranged inside the housing (2) of the device (1) and is designed to generate at least one pulsating water jet and/or to increase the flow speed of the mains water exiting the outlet of the tap, and adjoins the water through-flow opening. The mains water is delivered to the mechanism (21) via several of the flow-cross sections of the channels (22a, 22b, 22c) defining the mains water exiting the outlet of the sanitary outlet fitting, this mechanism (21) being designed as a rotational valve which includes several blades (multi-bladed) which are arranged close to each other on a common axis (23) below at least one of the channels (22a, 22b, 22c), with blades guiding the mains water to the water outlet (24).