Oil Filter Cap Seal Integrating Drain Channel Control
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Solution Overview
Problem
Existing oil filter devices are cumbersome to assemble and disassemble, particularly due to laborious oil drainage processes and increased component counts, which complicates maintenance and service operations.
Innovation Solution
An oil filter device with a de-oiling device featuring a drain channel in the module carrier, controlled by the filter cap seal, allowing for selective opening and closing of the drain channel to facilitate easy emptying of the filter cap before removal, thus simplifying assembly and disassembly while reducing components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an oil drain plug is used to drain oil, then oil can be removed from the filter cap, but the assembly becomes more complex and laborious
Solution Approach 1:
The filter cap seal is designed to perform multiple functions: it seals the filter cap to the module carrier during operation and simultaneously controls the drain channel for oil removal during maintenance. This eliminates the need for a separate oil drain plug, reducing component count while maintaining reliable oil leakage prevention.
2Reliability
If a separate de-oiling device is added, then oil can be drained effectively, but assembly and disassembly becomes more complex
Solution Approach 1:
The sealing function and oil drainage control function are merged into a single component - the filter cap seal. By integrating the drain channel control into the seal mechanism, the design achieves effective oil drainage while maintaining simple assembly and disassembly operations, as the same component that seals the system also enables its drainage.
3Ease of operation
If the drain channel is always open, then oil can be drained easily, but unwanted oil leakage occurs during operation
Solution Approach 1:
The drain channel is designed to be dynamically controllable through the filter cap seal, which can be in different positions (sealed or open) depending on the operational state. During normal operation, the seal maintains a closed position to prevent leakage. During maintenance, the seal can be displaced to open the drain channel, enabling easy oil drainage. This dynamic control eliminates unwanted leakage while maintaining drainage ease when needed.
Data Source
Figure 1a~1b
Figure 2a~2b
AI summary
The device (1) has an oil recovery device comprising a filter cap (4) for detachably holding a filter module (3) at a module carrier (2) e.g. oil pan. A filter cap seal (5) seals the filter cap at the module carrier. The recovery device is formed in the module carrier by a discharge channel (26). Oil drain is controllable through the discharge channel by the filter cap seal, which alternatively releases and locks the discharge channel. Releasing and locking of the discharge channel are carried out via translational movement of the filter cap seal relative to the module carrier.