Movable Valve Seat Pressure Regulator Against Jamming
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Solution Overview
Problem
High-pressure systems face challenges with pressure control valves jamming due to abrupt pressure drops, leading to downtime and maintenance costs, particularly with self-locking components like acute cone angle valve cones, which are used for their controllability but risk jamming.
Innovation Solution
A pressure regulation device with a movable valve seat and a closure element designed as a valve cone with a cone angle between 3° and 8°, allowing the valve seat to 'give in' during pressure drops, reducing the risk of jamming by converting kinetic energy into heat through friction, and featuring a stroke between the valve seat and its lower stop greater than between the piston and its lower stop to prevent tight compression.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If self-locking components like acute cone angle valve cones are used, then controllability is improved, but the risk of jamming increases
Solution Approach 1:
The valve seat is made movable instead of fixed, allowing it to dynamically adjust its position. The stroke between the valve seat and its lower stop is designed to be greater than the stroke between the piston and its lower stop, enabling the valve seat to move independently and absorb pressure shocks, thus preventing jamming while maintaining controllability
2Stress or pressure
If great force is applied to press valve seat and valve cone together, then pressure control at high pressures is improved, but the risk of jamming increases
Solution Approach 1:
The valve seat is designed to be movable with a stroke greater than the piston stroke, allowing it to dynamically respond to pressure changes. This independent movement capability enables the valve to maintain effective sealing at high pressures while preventing the components from jamming together due to excessive force
Solution Approach 2:
The greater stroke of the valve seat acts as a cushioning mechanism that absorbs sudden pressure drops before they can cause jamming. By providing this preliminary cushioning capacity, the design prevents the harmful effects of abrupt pressure changes while maintaining high-pressure control capability
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 device effectively prevents jamming in high-pressure systems by allowing the valve seat to move freely during pressure drops, reducing the risk of jamming and ensuring smooth operation even at very high pressures above 1000 bar.
Implementation Method 1
converting kinetic energy into heat through friction
Data Source
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AI summary
The invention relates to a device (1) for regulating the pressure of fluids, comprising: a valve housing (6) with an inlet (16) and an outlet (15); a connection element (2) which is arranged within the valve housing (6); and a valve seat (3) which is arranged within the valve housing (6). The connection element (2) is movably mounted, and the connection element (2) and the valve seat (3) are arranged such that the connection between the inlet (16) and the outlet (15) can be opened and completely or partly closed. The aim of the invention is to prevent the closure element (2) and the valve seat (3) from jamming in the event of an abrupt pressure loss. This is achieved in that the valve seat (3) is movably mounted.