Self-Modifying Drill Bit Flow Channel for Debris Removal
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Solution Overview
Problem
Prior drill bits experience reduced water flow and debris removal efficiency due to the crown section extending over a large distance, leading to suboptimal water circulation and increased wear, which affects drilling efficiency and durability.
Innovation Solution
A drill bit design featuring a flow directing component that is self-modifiable or detachable upon reaching a predetermined wear threshold, maintaining optimal fluid flow characteristics and facilitating debris removal by redirecting fluid radially outward from the crown passageway.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the crown section extends over a relatively large distance from the body section, then the structural strength and wear resistance are improved, but the water flow capability and debris removal efficiency are reduced
Solution Approach 1:
The flow directing component is designed to be self-modifiable upon the crown section reaching a predetermined wear threshold. As the crown section wears, the flow directing component automatically adjusts the fluid flow channel configuration, transitioning from an initial state that directs flow to a modified state that allows different flow patterns, thereby maintaining optimal water flow efficiency throughout the crown section's service life while preserving its extended structural durability
Solution Approach 2:
The invention changes the flow channel parameters dynamically through the self-modifiable flow directing component. When the crown section reaches wear threshold, the flow directing component modifies the fluid flow channel, changing flow direction, velocity, or distribution characteristics to compensate for wear-induced performance degradation, thus maintaining both the benefits of extended crown section length and optimal water flow characteristics
2Stability of the object's composition
If the slots extend substantially longitudinally over a relatively large distance, then the structural integrity is improved, but the water circulation capability is reduced
Solution Approach 1:
The flow directing component acts as an intermediary element within the slots that actively manages water flow distribution. It intercepts and redirects water flow to ensure adequate circulation reaches the crown distal end, compensating for the reduced flow caused by the extended slot length, while the slots themselves maintain their long structural configuration for integrity
3Length of moving object
If the crown section extends over a large distance, then the drilling depth capability is improved, but the debris removal efficiency is reduced
Solution Approach 1:
The self-modifiable flow directing component dynamically adjusts water flow characteristics as the crown section wears during extended drilling operations. This ensures that even with the long crown section extending deep into the material, adequate water flow reaches the drilling interface to effectively remove debris, maintaining high productivity throughout the crown section's extended service life
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 drill bit maintains near-optimal fluid flow and debris removal efficiency across a range of wear levels, enhancing drilling performance and durability while being easily manufacturable and cost-effective.
Implementation Method 1
the fluid flow channel extending through the crown section substantially radially outwardly from the crown passageway
Data Source
AI summary
A drill bit including a body section. The body section defines a body proximal end and a longitudinally opposed body distal end, and a body passageway extending longitudinally therethrough for receiving a fluid and conveying the fluid through the body section. An annular crown section extends longitudinally from the body section, the crown section defining a crown distal end and a longitudinally opposed crown proximal end, the crown section extending distally from the body section, the crown section defining a crown passageway extending longitudinally therethrough and in fluid communication with the body passageway. A flow directing component cooperates with the crown section to define a fluid flow channel extending through the crown section radially outwardly from the crown passageway, the fluid flow channel being self-modifiable upon the crown section reaching a predetermined wear threshold so as to modify a flow of the fluid through the fluid flow channel.