Oil Filter Drain Tool Puncturing Side Walls
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Solution Overview
Problem
Automotive oil filters often retain residual oil due to chambers that do not drain by gravity, as oil passages may have convoluted routes or check valves, making complete drainage inefficient.
Innovation Solution
A device with projecting spikes, configured to penetrate the side of the oil filter, allowing for the forced drainage of residual oil by puncturing the filter and facilitating the collection of drained oil.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If oil filter is placed upside down and allowed to drain by gravity, then oil drainage is simple and requires no additional devices, but residual oil remains in chambers that do not flow by gravity
Solution Approach 1:
The device divides the drainage function into multiple segments by using several spikes positioned at different locations on the oil filter. Each spike creates an independent drainage path, allowing simultaneous drainage from multiple chambers that would otherwise drain sequentially or not at all by gravity alone.
Solution Approach 2:
The invention transitions from one-dimensional gravity-based drainage (bottom to top) by adding vertical spikes that create drainage paths through the filter wall. This introduces a new spatial dimension for oil flow, allowing oil to escape from the side of the filter rather than relying solely on bottom outlet passages.
2Reliability
If check valves are installed in oil passages to prevent oil leakage, then oil containment is improved, but complete drainage becomes difficult
Solution Approach 1:
The device extracts oil from the filtration system by creating bypass pathways through the filter wall using spikes. This removes the constraint imposed by check valves and internal passage geometry, allowing direct access to and removal of oil from chambers that would otherwise be blocked by valve mechanisms.
Solution Approach 2:
The spikes act as intermediary elements that mediate between the external environment and the internal oil chambers. By piercing through the filter wall, they create intermediate drainage pathways that bypass the check valve system entirely, enabling oil removal without interfering with the valve containment function.
3Device complexity
If conventional drainage methods are used, then no additional tools are required, but considerable oil remains retained in the oil filter
Solution Approach 1:
The oil filter essentially serves itself by using its own structure (the filter wall) as the target for the drainage operation. The spikes utilize the filter's thin wall structure to create drainage holes, and the filter's orientation and shape work with the device to facilitate oil flow out of the punctured chambers.
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 more complete and efficient drainage of residual oil from automotive oil filters, ensuring that all chambers are drained effectively.
Implementation Method 1
the device body can be struck with an object such as a hammer, or even with the heel of the user's hand, and the projecting spikes forced through the thin wall of the oil filter to perforate them
Implementation Method 2
there are chambers within the oil filter which do not flow by gravity out the oil passages
Data Source
AI summary
The invention is a handheld device for puncturing oil filters and thus allowing more retained oil to drain from used filters. An oil filter has several internal chambers filled with oil which do not drain by gravity from the filter unless the sidewall of the filter is punches. The device of the invention punches the sidewall of the filters, and provides a rack for draining the oil filters.