Reversible Volumetric Gear Pump Rotation Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing pumping apparatuses lack a simple and error-minimized method to reverse the direction of rotation without opening the device, which is essential for efficient operation in applications like trucks or tipper trucks.
Innovation Solution
A pumping apparatus with multiple reversible volumetric gear pumps connected through fluid channels that can be easily reversed by modifying external fluid connections, using a single motor to drive both pumps and employing stoppers to control fluid flow between compartments, allowing for independent operation and minimizing the risk of errors during rotation reversal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple volumetric gear pumps are used to drive loads independently, then each pump can operate independently, but the apparatus becomes complex and difficult to reverse without opening the device
Solution Approach 1:
The pumping apparatus is divided into multiple independent pumping sections (first pump with first and second zones, second pump with third and fourth zones), each with its own toothed wheel pair and fluid channels. This segmentation allows each section to operate independently while maintaining a unified reversible structure, resolving the contradiction between independent operation and reversal complexity
Solution Approach 2:
The invention enables reversal of rotation direction by inverting the fluid connection configuration between pumping sections. By swapping which zones are connected to which channels (e.g., connecting first zone to second channel instead of first channel), the system reverses operation without mechanical disassembly, solving the contradiction between independent operation and ease of reversal
2Adaptability or versatility
If the direction of rotation is reversed by opening the apparatus, then the fluid connections can be modified, but the operation becomes time-consuming and error-prone
Solution Approach 1:
The pumping apparatus is pre-configured with multiple fluid channels (first, second, third, fourth channels) and openings (first, second, third, fourth openings) that are ready for different connection configurations. This preliminary preparation of multiple pathways allows rapid switching between rotation directions by simply changing which openings are connected, eliminating the need for time-consuming disassembly and reassembly
Solution Approach 2:
The system employs dynamic fluid connection switching through the means for opening/closing channels, allowing the apparatus to adapt its internal fluid pathways based on the desired rotation direction. This dynamic reconfiguration enables quick reversal without mechanical intervention, directly addressing the time loss issue
3Ease of operation
If the apparatus is designed for simple reversal, then the structure can be modified externally, but the risk of error during reversal increases
Solution Approach 1:
The invention incorporates a systematic feedback mechanism through its structured channel-opening configuration. Each opening (first, second, third, fourth) corresponds to specific zones and channels, creating a predetermined correct configuration. This structured feedback ensures that when external connections are modified, the system naturally guides the operator toward the correct reversal configuration, minimizing errors while maintaining operational simplicity
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 simple and reliable reversal of rotation direction without opening the apparatus, reducing the risk of errors and ensuring efficient operation by maintaining independent delivery to separate loads through distinct fluid configurations.
Implementation Method 1
a first pair 11 of toothed wheels (meshing with each other); a first housing compartment 12 for housing the first pair 11 of toothed wheels
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A pumping apparatus comprising: i) a first and a second reversible volumetric gear pump (1, 2); the first volumetric pump (1) drawing in rotation the second volumetric pump (2); the first pump (1) comprising a first housing compartment (12) for housing a first pair (11) of toothed wheels; the second pump (2) comprising a second housing compartment (22) for housing a second pair (21) of toothed wheels; ii) a first channel (13) that places in fluid connection a first zone (121) of the first compartment (12) and a first zone (221) of the second compartment (22); iii) a second channel (23) that places in fluid connection a second zone (122) of the first compartment (12) and a second zone (222) of the second compartment (22); Iv) means (3) for opening/closing the first and the second channel (13, 23); v) a first, a second, a third and a fourth openings (14, 15, 24, 25) intended to allow the fluid communication of the pumping apparatus (10) with the outside; The pumping apparatus (10) can assume a first operating configuration wherein the first and the second pumps (1, 2) have a direction of rotation opposite to that of the second configuration.