Rotary Slide Valve Freewheel Coupling for Independent Flow Split
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Solution Overview
Problem
Existing fluid technology valve devices lack the ability to independently and flexibly adjust multiple valves, limiting their functionality and efficiency in controlling flow cross-sectional areas between inlets and outlets.
Innovation Solution
A fluid technology valve device with a freewheel indirectly coupled to the drive shaft via a first rotary slide valve, allowing independent adjustment of multiple rotary slide valves using a single servomotor, enabling flexible distribution of fluid flow between multiple outlets from a single inlet by varying the rotation angle positions of the rotary slide valves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single drive shaft is used to actuate multiple rotary slide valves, then the device complexity is reduced, but the ability to independently adjust each valve is limited
Solution Approach 1:
The drive mechanism is segmented into a common drive shaft and individual drive elements (gears, pulleys, or cam followers) that can be independently controlled. Each rotary slide valve has its own drive element that can be actuated independently through the shared drive shaft, enabling independent adjustment while maintaining structural integration.
Solution Approach 2:
The drive shaft serves multiple functions by providing a common rotational reference for all rotary slide valves. Through different coupling mechanisms (direct coupling for first valve, freewheel coupling for second valve), the single drive shaft enables both synchronized operation and independent adjustment of multiple valves.
2Adaptability or versatility
If a freewheel is used to couple the drive shaft to the second rotary slide valve, then independent adjustment of the second valve is enabled, but the device complexity increases
Solution Approach 1:
The freewheel acts as an intermediary coupling element between the drive shaft and the second rotary slide valve. It allows unidirectional power transmission from the drive shaft to the valve, enabling the valve to be adjusted independently when the drive shaft rotates in the freewheel's free-rotation direction, while still maintaining a mechanical connection.
3Adaptability or versatility
If multiple rotary slide valves are used to control flow distribution, then the adaptability of fluid distribution is improved, but the device complexity increases
Solution Approach 1:
Multiple rotary slide valves are merged into a single integrated valve body with a common inlet and outlet structure. The valves share common sealing elements and housing, reducing the overall complexity compared to separate valve assemblies while maintaining the ability to independently control flow distribution to multiple outlets.
Data Source
AI summary
The invention relates to a fluid valve device (1). In this there are provided a first rotary slide valve (2), a second rotary slide valve (3) and a servomotor (10), wherein each of the rotary slide valves (2, 3) has a rotary slide (6, 7) that is arranged in a rotary slide housing and is driven by the servomotor (10) via a drive shaft (11), wherein the first rotary slide valve (2) is fixed and the second rotary slide valve (3) is coupled to the drive shaft (11) via a freewheel (12). The invention further relates to a method for operating a fluid valve device (1).