How does the Double Arc Design of the YHCB Gear Pump Improve Transfer Efficiency?
2025-11-27 15:48:34
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YHCB gear pumps deliver consistently high efficiency, stable performance, low noise, and extended service life during tanker loading or unloading, fuel transfer, and lubrication system operations, owing primarily to their dual-arc sine curve tooth profile design. This design not only enhances pumping efficiency but also contributes to a longer pump lifespan.
In the meshing process of involute gear design, significant sliding occurs on the tooth surfaces, leading to friction losses and accelerated tooth wear. However, the pumps employ an advanced double-arc tooth profile that achieves non-sliding contact between tooth surfaces during meshing. This significantly reduces energy loss from friction, thereby increasing mechanical efficiency by 3%-5%. Furthermore, with virtually no tooth surface wear, the design clearance is maintained over extended periods, ensuring volumetric efficiency remains stable without degradation due to increased internal leakage.
YHCB gear oil pumps feature a double-arc tooth profile that enables multiple teeth to mesh simultaneously, thereby increasing the overlap ratio of gear meshing. In other words, under identical center distance and rotational speed conditions, this design achieves a larger effective displacement, significantly enhancing volumetric efficiency, and demonstrates exceptional performance in the conveyance of medium-to-high viscosity fluids. The design of double-arc gears fundamentally eliminates the oil trapping phenomenon common in traditional gear pumps, where liquid becomes trapped between meshing teeth, causing pressure fluctuations and energy waste. This enables smoother fluid flow, reduced pressure pulsation, and more stable flow rates, thereby enhancing overall pumping efficiency.
Its Arc gears can also incorporate a symmetrical tooth profile design, where inlet and outlet ports interchange with directional changes. This enables bidirectional oil loading or unloading operations without requiring additional piping or valves. Featuring shorter flow paths and fewer bends, the design reduces friction losses, allowing the pump's actual operating point to approach its optimal efficiency zone more closely. Field tests demonstrate a 2%–3% increase in overall system efficiency, making it particularly suitable for applications requiring frequent directional changes, such as tank trucks and mobile fuel dispensers. YHCB horizontal gear pump employs a dual-arc sine curve tooth profile design that synergistically reduces friction, eliminates oil trapping, enhances overlap ratio, and minimizes wear. This achieves high-efficiency, low-energy consumption, and long-life pumping performance. As a result, it serves as an ideal choice for efficient fluid transfer in petroleum, chemical processing, tanker trucks, lubrication systems, and other applications.
