Fluid-Driven Coupling Structure for Low-Loss Power Transmission
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Solution Overview
Problem
Conventional couplings cause power loss during energy transmission and fail to prevent center deviation in high-speed, high-load applications, such as heavy industry equipment and air conveying systems, leading to inefficient energy consumption.
Innovation Solution
A coupling design featuring a housing with coaxially disposed driving and divergent ribs, a turbo fan, and a returning unit that utilizes fluid flow to push and rotate the driving plates, facilitating energy-efficient power transmission by guiding fluid through the ribs to drive a driven device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional couplings are used for power transmission, then the coupling structure is simple, but power loss occurs during transmission and energy consumption increases
Solution Approach 1:
The patent merges the coupling structure with a turbo fan mechanism, combining power transmission functionality with fluid-driven rotation. The driving ribs with driving plates are integrated into the coupling housing, allowing fluid flow to directly drive the rotation that transmits power to the connected device, thereby reducing energy loss during transmission.
Solution Approach 2:
The patent utilizes fluid dynamics by introducing fluid flow into the coupling structure. The divergent ribs guide fluid onto the driving plates, converting fluid kinetic energy into rotational mechanical energy. This pneumatic/hydraulic approach reduces the need for additional power input and minimizes power loss in the transmission process.
2Reliability
If conventional couplings are used in high-speed, high-load applications, then the coupling structure is simple, but center deviation occurs and energy consumption increases
Solution Approach 1:
The patent employs dynamic balancing through the coaxial arrangement of the turbo fan and coupling components. The rotating driving ribs and driving plates are positioned to maintain rotational equilibrium, preventing center deviation during high-speed operation. The divergent ribs are designed to evenly distribute fluid force across the driving surfaces, ensuring stable rotational motion under high-load conditions.
3Productivity
If conventional couplings are used, then the device complexity is low, but power transmission efficiency is poor
Solution Approach 1:
The coupling structure is segmented into functional components: the housing, driving ribs with guiding plates and driving plates, divergent ribs, and the turbo fan. Each segment performs a specific function in the power transmission process. The driving ribs are divided into multiple sections that can be independently optimized for fluid flow and power transmission, improving overall efficiency while maintaining manageable complexity.
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 coupling reduces energy consumption by leveraging fluid dynamics to drive the system efficiently, minimizing power loss and maintaining equipment alignment, thereby achieving energy conservation in high-speed and high-load operations.
Implementation Method 1
The fluid pushes the driving plate of each driving rib and facilitates the housing to spin and drive a driven device
Data Source
AI summary
A coupling has a housing and a returning unit and a turbo fan coaxially disposed within the housing. The housing has a first shell and a second shell coaxially connected to the first shell. The first shell has multiple driving ribs therein. Each driving rib has a guiding plate, a driving plate connected to the guiding plate, and an included angle defined between the driving plate and the guiding plate of the driving rib. The second shell has multiple divergent ribs therein. Fluid introduced into the housing is guided to the multiple driving ribs of the first shell via the divergent ribs of the second shell. The fluid pushes the driving plate of each driving rib and facilitates the housing to spin and drive a driven device. Therefore, the coupling of the present invention can save energy consumption for driving a driven device.