Pressure-Triggered Valve Opening With Differential Holding Surfaces
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Solution Overview
Problem
Existing fluid valves lack a mechanism for rapid and reproducible opening and closing behavior, especially in response to excess pressure, which affects their stability and reliability.
Innovation Solution
A valve design featuring a valve body and holding element with differential force sensitivity, where the holding element is more strongly affected by fluid pressure than the valve body, allowing for sudden opening and closing through varying limit values and surface areas, and utilizing magnetic attraction to control the valve's operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the valve body is moved by a permanent magnet into a rest position to ensure rapid opening and closing, then the opening and closing speed is improved, but the response behavior becomes less reproducible and stable
Solution Approach 1:
The patent applies dynamics by making the holding force variable rather than constant. The holding element's effective surface area changes during operation, causing the holding force to decrease as the valve opens. This dynamic adjustment enables the valve to maintain stable reproduction of response behavior while achieving rapid opening and closing through the changing force characteristics.
Solution Approach 2:
The patent changes the parameter of holding force by designing the holding element with a variable effective surface area. As the valve body moves away from the closed position, the effective surface area of the holding element decreases, thereby reducing the holding force. This parameter change allows the valve to transition smoothly from a stable closed state to rapid opening while maintaining reproducible response behavior.
2Speed
If the holding element has a larger effective surface area than the valve body, then the fluid acts more strongly on the holding element enabling sudden opening, but the device complexity increases
Solution Approach 1:
The patent merges the holding element and valve body into a integrated assembly where the holding element is positioned adjacent to the valve body. This combining of components achieves the differential surface area effect needed for sudden opening while minimizing additional complexity through a compact, unified design rather than separate independent mechanisms.
Solution Approach 2:
The patent applies local quality by creating a specific geometric configuration where the holding element has a larger effective surface area than the valve body at the closed position. This localized difference in surface area properties enables the fluid to act more strongly on the holding element, producing sudden opening behavior without requiring complex overall valve redesign.
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 design achieves a stable and reproducible sudden opening and closing behavior, ensuring effective fluid passage management under varying pressure conditions, enhancing the valve's response to excess pressure.
Implementation Method 1
a valve body is moved by a permanent magnet into a rest position in which a fluid passage for the fluid is closed
Data Source
Figure 1
Figure 2
AI summary
The invention relates to a valve. A valve seat (2) surrounds a fluid passage (20) for the passage of a fluid from a fluid chamber (3). A holding element (4) exerts a holding force, acting in the direction of a valve seat (2), onto a valve body (1). In the event that the fluid acts with a force or a pressure above a limit value on an effective surface (10) of the valve body (1), the valve body (1) is removed from the valve seat (2). In the event that the fluid acts with a force or a pressure above a limit value on an effective surface (40) of the holding element (4), the holding force acting on the valve body (1) decreases. Consequently, the fluid acts on the holding element (4) more strongly and/or earlier than on the valve body (1).