Rotatable Screw Pump Housing for Flexible Installation
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Solution Overview
Problem
Existing screw pumps lack flexibility in installation, which restricts their adaptability to various operational environments and applications.
Innovation Solution
A screw pump design comprising two parts that can assume multiple relative positions, with a rotatably coupled housing and spindle system, allowing for adjustable inlet and outlet channels and incorporating a pressure relief mechanism to manage pressure levels, enhancing flexibility and operational efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the pump housing is designed as a single fixed component with flange section, then the structural integrity and sealing are improved, but the installation flexibility and adaptability to different positions are worsened
Solution Approach 1:
The pump housing is divided into two separate parts: a first part containing the inlet opening and a second part containing the outlet opening. These parts can be rotatably coupled to assume different relative positions, allowing the pump to be installed in various orientations while maintaining structural integrity through the coupling mechanism.
Solution Approach 2:
The coupling between the first and second parts is designed to be rotatable, allowing the relative position between inlet and outlet openings to be dynamically adjusted. This dynamic coupling enables the pump to adapt to different installation positions and operational requirements while maintaining a sealed housing structure.
2Ease of manufacture
If the inlet and outlet openings are fixed in position, then the manufacturing and assembly process are simplified, but the adaptability to different operational environments is worsened
Solution Approach 1:
The inlet and outlet openings are positioned on separable housing parts that can be rotated relative to each other. This allows the openings to be fixed during manufacturing for ease of assembly, while the rotatable coupling enables operational adaptability to different installation positions and flow directions.
Solution Approach 2:
The rotatable coupling mechanism enables the pump to serve multiple installation configurations and operational environments. The same pump design can be adapted to different positions and orientations without requiring custom manufacturing, achieving multi-functionality while maintaining assembly simplicity.
3Reliability
If pressure relief mechanism is added to manage pressure levels, then the operational safety and pressure control are improved, but the device complexity is worsened
Solution Approach 1:
The pressure relief mechanism is designed to automatically activate when pressure exceeds predetermined levels, without requiring external control systems or complex monitoring. The mechanism self-regulates pressure by providing an alternative flow path, maintaining reliability while minimizing added complexity.
4Adaptability or versatility
If the housing is divided into multiple rotatable parts, then the installation flexibility is improved, but the sealing and structural integrity are worsened
Solution Approach 1:
The rotatable coupling between housing parts is designed to maintain sealing integrity throughout its range of motion. The dynamic coupling mechanism ensures that the seal between inlet and outlet sections remains effective during rotation, allowing installation flexibility without compromising sealing.
Solution Approach 2:
A coupling mechanism acts as an intermediary between the first and second housing parts, providing both rotational freedom and sealed connection. This intermediary element enables the parts to rotate relative to each other while maintaining fluid tightness, resolving the conflict between flexibility and sealing integrity.
Data Source
Figure 1
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Figure 3A~3B
AI summary
The invention relates to a screw pump with at least two parts. The first part comprises a housing and at least one screw system which is arranged in the housing and which can be rotationally driven. It also comprises a pressure area arranged downstream of the screw system and at least one outlet opening which is brought into contact with the pressure area for guiding the pumping medium from the pressure area. The second part comprises at least one low pressure chamber arranged upstream of the screw system and at least one inlet opening for the pumping medium in the low pressure chamber. The first and the second parts are coupled together so they can assume at least two different relative positions, preferably so they can rotate.