Oil Filter Fluid Extractor With Segmented Valve
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Solution Overview
Problem
Existing fluid extractor devices for oil filters are inefficient in controlling the flow of oil, leading to messy spills and require expensive machining, making them difficult to manufacture and use.
Innovation Solution
A fluid extractor device comprising a ring with a tightening screw, a bracket, and a valve with a pin and vacuum extension, allowing controlled puncture and vacuum-assisted oil removal from oil filters using off-the-shelf components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a sharpened tip threaded screw is used to puncture the oil filter, then the oil can be drained through the channel, but the screw tip is large and difficult to puncture through the metal of the oil filter
Solution Approach 1:
The device is divided into separate functional components: a puncture tool with a sharp needle tip for piercing the filter, a valve body with internal channel, and a hose connection. This segmentation allows each component to be optimized independently - the needle can be extremely sharp for easy puncturing while the valve body handles the draining function
Solution Approach 2:
A valve mechanism acts as an intermediary between the puncture point and the drainage path. The valve controls when oil flows from the punctured filter into the collection container, preventing uncontrolled spills while maintaining a simple puncture operation
2Productivity
If the oil filter is punctured and oil flows through the channel immediately, then oil can be drained, but there is no way to curb the flow causing messy spills
Solution Approach 1:
The sharp needle tip is prepared in advance to create a precise puncture hole of controlled size. The valve mechanism is pre-positioned to control the timing of oil flow, ensuring that drainage begins only when the puncture is complete and the collection container is ready, preventing premature spills
Solution Approach 2:
The valve mechanism provides control feedback by allowing the user to regulate oil flow based on the readiness of the collection container. The system responds to user input (valve position) to adjust the drainage rate, preventing spills by coordinating flow with collection capacity
3Reliability
If special machining is used for the assembly pieces, then the fluid extraction function can be achieved, but the assembly becomes difficult to manufacture and expensive
Solution Approach 1:
The device uses simple, inexpensive components that can be manufactured through basic processes. The puncture needle is a simple metal rod that can be easily replaced, and the valve body can be made from standard materials using conventional machining or even 3D printing, eliminating the need for complex special machining
Solution Approach 2:
The valve body serves multiple functions: it houses the internal channel for oil flow, provides a mounting point for the needle, offers a connection interface for the hose, and incorporates the flow control mechanism. This multi-functionality reduces the number of separate precision-machined parts needed
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 clean, controlled, and cost-effective removal of oil from oil filters, preventing spills and simplifying the disposal or recycling process without the need for special machining.
Implementation Method 1
a vacuum pump, shown in FIG. 8, that has a hose end for attachment to the vacuum extension of the valve of the device
Data Source
AI summary
A fluid extractor device including a ring with a circumference capable of fitting around an oil filter; a bracket affixed to the ring; and a valve including a base attached to the bracket, an extendable pin extending through the base, and a vacuum extension extending perpendicularly from the base and terminating in a vacuum aperture.