Lubricant Pump Assembly Unit With Integrated Eccentric Force Support
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Solution Overview
Problem
Conventional lubricant pumps are complex in structure and require external housing components to absorb forces between the eccentric arrangement and the pump element, leading to tolerance stack-up issues and increased manufacturing complexity.
Innovation Solution
A modular assembly unit comprising a base plate with a pump element housing and an eccentric fixing, allowing direct force absorption and precise positioning of the pump element and eccentric arrangement, enabling a more versatile and efficient lubricant pump design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional lubricant pumps use external housing components to absorb forces between the eccentric arrangement and the pump element, then the structural integrity is maintained, but the device complexity increases and manufacturing precision deteriorates due to tolerance stack-up
Solution Approach 1:
The patent merges the force-absorbing housing function with the mounting base plate into a single integrated component. The base plate directly absorbs forces between the eccentric arrangement and pump element, eliminating the need for separate external housing components to handle force transmission. This integration reduces the number of parts and simplifies the overall structure while maintaining structural integrity.
Solution Approach 2:
The base plate is designed to serve multiple functions simultaneously: it provides mounting support for the pump element, absorbs forces generated during operation, and serves as the structural foundation for the entire pump assembly. This multi-functionality eliminates the need for separate specialized components, reducing device complexity.
2Strength
If conventional lubricant pumps use multiple external housing components, then structural support is provided, but manufacturing precision deteriorates due to tolerance stack-up
Solution Approach 1:
By integrating the force-absorbing housing function into the mounting base plate, the patent eliminates multiple separate components that would each contribute their own tolerances. The single integrated base plate eliminates tolerance stack-up between multiple housing components, significantly improving manufacturing precision and positioning accuracy.
3Strength
If conventional lubricant pumps use metal housing components, then structural strength is ensured, but adaptability decreases due to limited material choices
Solution Approach 1:
The patent changes the material parameter of the base plate from traditional metal to plastic, enabling alternative material selection. This parameter change allows for adaptability in material choice while maintaining sufficient structural strength through appropriate plastic material selection and design, expanding the range of possible materials and design configurations.
4Reliability
If conventional lubricant pumps use complex structural designs, then functional requirements are met, but ease of manufacture decreases
Solution Approach 1:
The integration of the base plate and housing function into a single component dramatically simplifies manufacturing. Instead of manufacturing and assembling multiple separate housing components, the single integrated base plate can be manufactured as one piece, reducing manufacturing steps, assembly operations, and overall complexity while maintaining all necessary functional requirements.
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 reduces manufacturing complexity, improves precision, and allows for the use of alternative materials like plastic in the pump housing, eliminating tolerance stack-up and enabling more flexible design options.
Implementation Method 1
forces arising between the eccentric arrangement and the pump element are absorbed via the previously mentioned housing
Implementation Method 2
delivering lubricant by means of a linear motion of a piston in the pump element
Implementation Method 3
causing the pumping process of the lubricant by means of the pump element
Implementation Method 4
at least one pump element pressurised by an eccentric arrangement with a circumferential eccentric
Implementation Method 5
pressurised by an eccentric arrangement with a circumferential eccentric and delivering lubricant by means of a linear motion
Data Source
AI summary
An assembly unit as a structural component for a lubricant pump, the assembly unit having a base plate, at least one pump element housing fixedly attached to the base plate with a pump element powered by a linear motion inserted therein, and further having an eccentric fixing to enable assembling an eccentric arrangement provided with a circumferential eccentric in a fixed relative position to the pump element inserted into the pump element housing.