Membrane Pump Pressure Valve Layout for Easier Range Setting
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Solution Overview
Problem
The setting of a pressure range in existing membrane pump devices is cumbersome and inefficient.
Innovation Solution
A membrane pump device with a valve at the outlet opening, a pressure adjustment valve, and a collection chamber, allowing for ergonomic and simplified pressure range setting, including a one-way valve, screw connections, and ergonomic design for easy mounting and pressure control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a regulating valve is integrated into the housing for pressure range setting, then the pressure control function is built-in and reliable, but the device complexity and ergonomic design are worsened due to the cumbersome setting process
Solution Approach 1:
The regulating valve is extracted from the housing and mounted externally on the drive liquid supply line. This separation allows the pressure control function to remain reliable while the setting operation becomes more accessible and easier to perform, as the valve can be positioned in a convenient location for the operator.
Solution Approach 2:
The patent introduces an intermediary connection between the housing and the regulating valve through the drive liquid supply line. This intermediary arrangement allows the pressure regulation function to be decoupled from the housing structure, enabling easier adjustment while maintaining the reliability of the pressure control mechanism.
2Ease of operation
If the outlet opening is positioned on the housing outer side, then the spatial displacement of the regulating valve is enabled for better ergonomics, but the device complexity increases due to additional valve components
Solution Approach 1:
The valve mounted at the outlet opening serves multiple functions: it acts as a one-way valve to prevent backflow, functions as a pressure regulation point, and enables ergonomic operation by being accessible from the outside. This multi-functionality justifies the additional component while providing comprehensive benefits.
Solution Approach 2:
The valve is designed as a one-way valve with dynamic opening and closing characteristics that automatically respond to pressure conditions. This dynamic behavior simplifies the overall control system while maintaining ergonomic advantages, as the valve self-regulates based on flow direction and pressure differential.
3Ease of operation
If a collection chamber with closure element is added for drive liquid management, then the ease of mounting and operation is improved, but the device complexity and volume increase
Solution Approach 1:
The collection chamber is segmented as a separate, detachable component with its own closure element, rather than being integrated into the main housing. This segmentation allows the chamber to be filled and sealed independently, improving ease of operation for drive liquid management while minimizing the impact on overall housing volume.
Solution Approach 2:
The collection chamber can be pre-filled with drive liquid using the closure element before mounting, or quickly filled after mounting. This preliminary action capability improves operational efficiency without requiring a large permanent storage volume within the housing, as the chamber serves as a manageable buffer reservoir.
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
Enables simplified and ergonomic pressure range setting, enhancing the ease of use and efficiency in applications such as paint spraying systems.
Implementation Method 1
a movable membrane (4), while a liquid being pumped can be introduced in the first chamber (5), and a drive liquid can be introduced into the second chamber (6)
Implementation Method 2
the valve (19) is arranged at the outlet opening (17) and closes off the second chamber (6) from the outside
Implementation Method 3
the collection chamber (12) is connected by a suction opening (36) of the collection chamber (12) to the second chamber (6)
Data Source
AI summary
Membrane pump device, wherein the membrane pump device comprises a housing, and the housing contains a first and a second chamber, wherein the first chamber is separated from the second chamber by a movable membrane, while a liquid being pumped can be introduced in the first chamber, and a drive liquid can be introduced into the second chamber, wherein the second chamber has an outlet opening, and the outlet opening is present on an outer side of the housing. The membrane pump device is characterized in that the membrane pump device comprises a valve, while the valve is arranged at the outlet opening and closes off the second chamber from the outside.