Integrated Fuel Dispensing Pump with Filter and Meter
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Solution Overview
Problem
Fuel vending system dispensing assemblies are complex, difficult to manage, and maintain, requiring improvements for compactness, ease of use, reliability, safety, and cost-effectiveness.
Innovation Solution
A compact dispensing pump design with a pump body containing a pumping chamber, impeller, and motor, integrated with a liter counter and filter cartridge, allowing for efficient fuel flow control and easy maintenance, featuring a modular structure with a containment body for motor and electronic components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If traditional dispensing assemblies are used with separate components for pump, filter, and meter, then each component can be optimized independently, but the overall assembly becomes complex, space-consuming, and difficult to maintain
Solution Approach 1:
The patent combines the pump, filter, and liter counter into a single integrated dispensing pump assembly. The pump body houses the impeller pumping mechanism, while the filter cartridge and liter counter are integrated within the same structure, eliminating the need for separate mounting and reducing overall assembly complexity.
Solution Approach 2:
The integrated assembly is designed with separable components that can be independently replaced. The filter cartridge can be removed and replaced without affecting the pump or liter counter, and the impeller can be accessed separately for maintenance, allowing easy maintenance while maintaining integration benefits.
2Ease of operation
If multiple separate devices (pump, filter, meter) are arranged along the dispensing line, then each device can perform its function optimally, but the system becomes dimensionally larger and more difficult to manage
Solution Approach 1:
The patent merges the pump body, filter cartridge, and liter counter into a single compact dispensing pump assembly. The filter is positioned within the pump housing, and the liter counter is integrated into the same structure, significantly reducing the overall volume required for the dispensing unit while maintaining all necessary functions.
Solution Approach 2:
The filter cartridge is nested within the pump body structure, and the liter counter is integrated into the same housing. This nesting arrangement allows multiple components to occupy overlapping or adjacent spaces efficiently, minimizing the overall volume of the dispensing unit.
3Ease of repair
If traditional separate-component dispensing systems are used, then component optimization is possible, but maintenance requires disassembly and is time-consuming
Solution Approach 1:
The dispensing pump assembly is designed with separable components where the filter cartridge can be independently removed and replaced. The impeller and motor assembly can also be accessed separately, allowing maintenance personnel to service individual components without disassembling the entire system, significantly reducing maintenance time.
Solution Approach 2:
The filter cartridge is designed as a removable component that can be extracted from the pump body without affecting other components. This extraction capability allows for quick filter replacement during maintenance operations, minimizing downtime and improving ease of repair.
4Ease of manufacture
If a compact integrated design is implemented, then space and complexity are reduced, but manufacturing and assembly may become more challenging
Solution Approach 1:
The integrated dispensing pump assembly is manufactured as separate components (pump body, filter cartridge, liter counter) that are then assembled together. This segmentation approach allows each component to be manufactured using standard processes and then joined through simple coupling mechanisms, maintaining manufacturing ease while achieving integration benefits.
Solution Approach 2:
The patent combines multiple functional components into a single integrated assembly that can be manufactured and assembled using conventional processes. The coupling portions and accommodation seats are designed with standard threading and mounting features, allowing for straightforward assembly without requiring complex manufacturing operations.
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 simplifies and compacts dispensing units, enhances maintenance accessibility, ensures reliability and safety, and reduces manufacturing costs, making the system more efficient and economically competitive.
Implementation Method 1
an impeller 4 is rotatably accommodated and is functionally connected to motor means 5
Implementation Method 2
The coupling portion 9 comprises at least one coupling region 13 for at least one filter 14
Data Source
Figure 1
AI summary
A dispensing pump for fuel vending systems, comprising a pump body (2) which forms internally a pumping chamber (3), which rotatably accommodates an impeller (4), functionally connected to motor means (5), and provided with an intake connector (6) and a delivery connector (7), which communicate with the pumping chamber (3) and can be connected to a fuel dispensing line; the pump body (2) has at least one coupling portion (9) for at least one auxiliary device of the dispensing line.