Angled Oil Drain Port for Vacuum Pump Maintenance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional pump systems often require technicians to manually lift or prop up the pump to drain oil, leading to inefficient sediment removal and incomplete oil drainage, resulting in a fouled system even after new oil is introduced.
Innovation Solution
The design features an angled oil drain system where the oil drain port is positioned at the lowest point, allowing gravity to facilitate oil drainage and sediment removal, with an adjustable base and handle for improved access and drainage efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the oil drain port is positioned along the rear and bottom of the pump, then the oil drain port is at the lowest point of the sump, but the technician must lift the pump to remove the oil drain plug, increasing device complexity and reducing ease of operation
Solution Approach 1:
The oil drain port is repositioned from a horizontal/vertical configuration to an angled configuration that combines both vertical accessibility and horizontal positioning at the lowest sump point. The angled port allows the drain plug to be accessed from above while maintaining drainage effectiveness through gravity.
Solution Approach 2:
The oil drain port is positioned asymmetrically at a specific angle relative to the pump housing, allowing the upper portion to be accessible for plug removal while the lower portion remains at the sump's lowest point for effective drainage. This asymmetric positioning resolves the contradiction between accessibility and drainage effectiveness.
2Ease of operation
If the oil drain port is positioned along a front vertical face of the pump, then the technician can easily access the drain port, but the port is not at the lowest point of the sump, requiring manual inclination to drain oil completely
Solution Approach 1:
The oil drain port is oriented at an angle that provides both vertical accessibility for easy plug removal and horizontal extension to the lowest sump point. This angular configuration eliminates the need for manual pump inclination while ensuring complete drainage.
Solution Approach 2:
The angled positioning of the oil drain port creates an asymmetric configuration where the accessible upper portion is separated from the drainage lower portion, allowing simultaneous achievement of ease of operation and drainage effectiveness without requiring external support or manual inclination.
3Productivity
If the pump is manually inclined to drain oil, then oil can flow toward the front vertical face, but sediment collected in the sump remains difficult to remove, reducing productivity
Solution Approach 1:
The angled oil drain port extends in a direction that reaches the lowest point of the sump where sediment accumulates. This angular configuration allows the drain plug to be removed from above while the port opening remains positioned to facilitate complete drainage of oil and suspended sediment particles.
Solution Approach 2:
The asymmetric angled positioning of the drain port allows the system to drain effectively without manual inclination, ensuring that both oil and settled sediment can be removed through the same port, thereby improving productivity and reliability simultaneously.
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
This design enhances the likelihood of frequent oil replacement and maintains a cleaner pump system by ensuring effective oil drainage and sediment removal without manual inclination.
Implementation Method 1
The bottom interior surface of the drain passageway can be angled downwardly at an acute angle with respect to a flat horizontal surface to facilitate drainage of the pump oil through the oil drain port
Data Source
AI summary
A pump, such as a vacuum pump, includes at least one housing and a motor and oil reservoir disposed within the housing. The pump housing can include a bottom exterior surface and one or more side and/or front exterior surfaces that extend generally up from the bottom exterior surface. An oil drain port can be positioned at or near the intersection of the bottom exterior surface and the side or front exterior surface. The housing can include an interior bottom surface that defines at least a portion of a drain passageway for the pump and can be fluidicly coupled to the oil reservoir. At least a portion of the interior bottom surface can be angled downward at an acute angle to the horizontal towards the oil drain port to improve the draining and replacement of oil in the pump.