Integrated Fluid Pressure Valve Housing for Reduced Radial Size
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Solution Overview
Problem
Conventional fluid pressure valves have a large radial dimension due to the need for structural strength to withstand fluid pressure and require separate members and sealants to define the flow path, making it difficult to reduce their size.
Innovation Solution
The fluid pressure valve integrates the flow path within the housing, eliminating the need for separate members and sealants, allowing for a smaller radial dimension.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If a separate valve seat support and valve seat are provided to define the flow path, then the flow path can be properly defined and sealed, but the radial dimension of the housing increases
Solution Approach 1:
The patent merges the valve seat support and valve seat functions into a single integrated valve body structure. The flow path is defined directly within the housing body rather than by separate components, eliminating the need for a separate valve seat support. This integration reduces the radial dimension of the housing while maintaining the ability to properly define and seal the flow path between ports.
2Reliability
If seal members are provided between the valve seat support and housing to prevent leakage, then sealing is improved, but the radial dimension increases
Solution Approach 1:
The patent eliminates separate seal members by integrating the sealing function into the housing structure itself. The flow path is defined with precision within the housing body, and sealing is achieved through the integral structure rather than through separate seal members between components. This approach maintains reliable sealing performance while reducing the radial dimension.
3Strength
If the member for defining the flow path has large thickness for structural strength, then the member can withstand fluid pressure, but the radial dimension increases
Solution Approach 1:
The patent integrates the flow path definition directly into the housing structure, allowing the housing walls themselves to provide the necessary structural strength. By eliminating separate thick-walled components and using the housing's integral structure to define and contain the flow path, the design achieves adequate pressure withstanding capability with a reduced radial dimension.
Data Source
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AI summary
A fluid pressure valve (5) according to an embodiment of the present invention is applicable to a fluid pressure servo mechanism (1). The fluid pressure valve (5) includes a housing (51) having a housing member (51c), the housing member (51c) being formed integrally so as to have a first port (61a), a second port (61b), and a flow path (65) connecting between the first port (61a) and the second port (61b).