Compressor Housing Threaded Ring Stop Design
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Solution Overview
Problem
Compressor housings in industrial systems face difficulties in connecting covers to cylindrical housing base bodies, leading to thick, heavy, and costly designs to prevent failure, which increases weight and costs.
Innovation Solution
A compressor housing design featuring a threaded ring with an external thread that screws into the housing base body, secured against rotation using an anti-twist device, allowing for a thinner wall thickness and lighter, more cost-effective construction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the housing base body is designed with large wall thickness to prevent connection failure, then the reliability of the connection is improved, but the weight and manufacturing cost increase
Solution Approach 1:
The connection system is segmented into multiple functional components: a threaded ring with external threads that screws into the housing base body, and a cover that fits onto the threaded ring. This segmentation allows the load to be distributed across multiple elements rather than requiring the entire housing base body to have excessive wall thickness, thereby maintaining connection reliability while reducing overall weight.
Solution Approach 2:
The connection assembly uses composite construction combining the threaded ring, housing base body with internal threads, and cover. This composite approach allows optimization of each component's thickness and material properties independently, achieving reliable connection through the combined strength of multiple thinner components rather than relying on a single thick-walled structure.
2Strength
If the housing base body is designed with large wall thickness to prevent connection failure, then the connection strength is improved, but the manufacturing cost increases
Solution Approach 1:
The connection system is divided into separate manufacturable components (threaded ring, housing base body with internal threads, and cover). Each component can be manufactured independently with optimized wall thickness, avoiding the need to manufacture a single expensive thick-walled housing. The segmented design allows for more economical production while maintaining connection strength through proper threading and assembly.
Solution Approach 2:
The invention changes the connection parameters from relying on bulk material thickness to relying on threaded engagement parameters (thread pitch, thread depth, thread profile). This parameter change allows the connection strength to be achieved through the mechanical interlocking of threads rather than through excessive material thickness, reducing manufacturing costs while maintaining or improving connection strength.
3Weight of stationary object
If a threaded ring is used to provide a stop for the cover, then the housing wall thickness can be reduced, but the threaded ring must be secured against rotation
Solution Approach 1:
The anti-twist function is merged with the existing cover and threaded ring assembly. The cover itself serves as part of the anti-twist mechanism by fitting over the threaded ring and providing rotational constraint. This merging eliminates the need for separate complex anti-twist devices while maintaining the weight reduction benefits of the threaded ring design.
Solution Approach 2:
The threaded ring and cover assembly is designed to be self-securing against rotation through their geometric interaction. The cover fits onto the threaded ring in a manner that inherently prevents rotation without requiring additional active securing mechanisms. The system uses its own structural elements to provide the anti-twist function, eliminating the need for separate complexity-inducing components.
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 solution enables a lighter and more cost-effective compressor housing by providing a secure stop for the cover with a threaded ring, effectively dissipating axial forces and preventing rotation, thus optimizing the housing's structural integrity and efficiency.
Implementation Method 1
the threaded ring (15) via its external thread (16) in the internal thread (17) on the end of the cylindrical housing body (11) is screwed or screwed
Data Source
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Figure 5
AI summary
Compressor housing (10) comprising a cylindrical housing base body (11) and at least one cover (12) which closes the housing base body (11) at one end thereof, wherein the compressor housing (10) has at least one threaded ring (15) with an external thread (16) to provide a stop (14) for the respective cover (12), which is screwed into the respective end of the housing base body (11) having an internal thread (17) via its external thread (16).