Attachable Water Feed for Power Tools With Adjustable Dust Control
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Solution Overview
Problem
Existing water supply systems for hand-held power tools are inefficient, prone to water wastage, and not universally compatible with different tools, with shut-off and variable flow valves being difficult to operate and maintain.
Innovation Solution
A universal, attachable water directing device with a flexible aluminum inner tube, copper outer coil, pressure control unit, and flow valve, allowing for adjustable water pressure and flow, and easy attachment to various power tools using fasteners like Velcro straps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If a shut-off valve is used to control water supply, then water wastage is reduced, but the valve becomes difficult to operate and maintain
Solution Approach 1:
The patent extracts the valve component from the water supply system entirely, replacing it with a simple hose connection. This eliminates the operational difficulties and maintenance issues associated with valves while still achieving water supply control through the flexible hose that can be easily connected and disconnected.
Solution Approach 2:
The patent employs inexpensive, simple components such as hoses and connectors instead of complex, expensive valves. These simpler components are easier to replace if damaged and require minimal maintenance, aligning with the principle of using cheap, easily replaceable objects.
2Productivity
If a variable flow valve is used to adjust water supply, then efficiency is improved, but the device becomes more expensive and complex
Solution Approach 1:
The patent removes the variable flow valve from the system entirely, achieving water supply control through simpler means. The flexible hose and connector system provides adequate control without the complexity and cost of variable flow valves, while still improving efficiency through targeted water delivery.
Solution Approach 2:
The patent replaces expensive, complex variable flow valves with inexpensive, simple hoses and connectors. This reduction in component complexity and cost maintains the ability to control water supply effectively while eliminating the maintenance burden of complex valves.
3Quantity of substance
If conventional water supply devices are used, then water supply is provided, but they are not universally compatible with all power tools
Solution Approach 1:
The patent designs a universal water supply system using standard hose connections and flexible mounting methods that can be adapted to various power tool types. The system includes multiple mounting options (magnetic, adhesive, mechanical) to ensure compatibility with different tool surfaces and configurations, achieving multi-functionality across various power tools.
Solution Approach 2:
The patent employs dynamic, flexible mounting solutions rather than fixed, tool-specific installations. The flexible hose and adaptable mounting mechanisms allow the water supply system to be easily configured for different power tool types and sizes, enhancing versatility without compromising water supply effectiveness.
Data Source
AI summary
A universal water directing device for supplying water to power tools is provided comprising an inner tube for supplying controlled water to a power tool and an outer coil wounded around the inner tube for securing the inner tube tightly in place. The universal water directing device comprises a pressure control unit detachably attached to a nozzle at an outlet of the water-supplying tube for adjusting the pressure of water supplied to the power tool while the power tool is being used. The device is removably fastened to a hand-held power tool and is configured to provide dust-free cutting, grinding, and/or polishing action. The water directing device is a portable device that can be attached to any hand-held power tool such as saws, drillers, and grinders thereof. The water directing device includes a flow valve to control the speed and flow rate of the water feed.