Fluid Distribution Pipe Twist and Slide Mechanism
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Solution Overview
Problem
Seismic source arrays in marine seismic surveying face issues with bend fatigue at connections between flexural sections and adjacent stiff components, leading to potential failure under flexural motion.
Innovation Solution
A distribution block and pipe system that allows the pipe to twist and slide within the block, maintaining a fluid seal and ensuring continuous operation even under deformation, using O-rings and pipe fittings to restrict motion and prevent fluid leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the pipe is rigidly connected to the distribution block, then the structural strength is improved, but the resistance to bend fatigue deteriorates
Solution Approach 1:
The pipe connection transitions from a rigid fixed connection to a dynamic movable connection within the distribution block. The pipe can move freely inside the block, allowing it to accommodate flexural motion and bending forces while maintaining fluid sealing through O-rings, thus resolving the contradiction between structural strength and bend fatigue resistance.
Solution Approach 2:
O-rings are introduced as intermediary sealing elements between the pipe and the distribution block. These O-rings maintain fluid sealing while allowing the pipe to move and twist, mediating between the need for rigid connection (strength) and the need for flexibility (bend fatigue resistance).
2Reliability
If the pipe is allowed to move freely within the distribution block, then the resistance to bend fatigue is improved, but the risk of fluid leakage increases
Solution Approach 1:
O-rings serve as intermediary sealing elements that enable free movement of the pipe while preventing fluid leakage. The O-rings are positioned to seal against the distribution block walls, allowing the pipe to twist and slide without compromising the fluid seal, thus resolving the contradiction between movement freedom and leakage prevention.
Solution Approach 2:
The O-rings function as flexible sealing elements that can deform and adapt to the pipe's movement. These flexible rubber seals maintain continuous contact with the distribution block walls, ensuring fluid tightness even when the pipe undergoes bending or twisting motions.
3Reliability
If the pipe is rigidly fixed, then the fluid sealing is improved, but the adaptability to flexural motion deteriorates
Solution Approach 1:
The connection system transitions from static rigid fixation to dynamic free movement within the distribution block. The pipe can adapt its position and orientation in response to flexural motions while the O-ring seals maintain fluid tightness, resolving the contradiction between sealing reliability and motion adaptability.
Solution Approach 2:
The system allows changes in the pipe's positional parameters (location, orientation, twist angle) within the distribution block. These parameter changes enable adaptation to flexural motion while the O-ring sealing mechanism maintains constant fluid tightness regardless of the pipe's position, resolving the contradiction between sealing and adaptability.
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 system enhances the resistance to wear and breakage of the air distribution apparatus, allowing it to function effectively despite twisting or stretching, thereby reducing the risk of failure due to flexural motion.
Implementation Method 1
O-rings are used to seal fluid within the distribution block as the pipe twists or slides within the block
Data Source
AI summary
Techniques are disclosed herein relating to distribution of fluids. These techniques may be useful in, for example, supplying pressurized air to seismic sources (or arrays of seismic sources), such as those used in marine seismic operations. Some embodiments of this disclosure include a pipe that passes through a fluid distribution block. The pipe may be configured such that it is able to slide along and/or twist about a longitudinal axis of the distribution block. This technique may reduce the effects of the various stresses that may operate on marine seismic source equipment as it is towed through a body of water.