1.Solar powered outdoor lighting with a maximum run time of 24 hours!
6.Has a lithium battery with an expected lifespan of 4-5 years
7. The powerful solar panels will absorb all the necessary energy during the day, for long time use at night. An over charge & discharge protection system ensures, your batteries are always protected from solar energy fluctuations. Will last for 24 hours
Solar Yard Lights,Solar Outdoor Lighting,Solar Lights For Garden,Solar Garden Lights Yangzhou Beyond Solar Energy Co.,Ltd. , https://www.ckbsolar.comWhat is the Working Principle of a Gear Pump?
A gear pump operates on a simple yet effective principle. At its core, it consists of two intermeshing gears housed within a casing that resembles an "8" shape. These gears are mounted on parallel shafts and rotate in opposite directions. As they turn, the space between the teeth of the gears creates a suction effect at the inlet, drawing fluid into the pump.
Once inside, the fluid is trapped between the rotating teeth and the inner walls of the housing. As the gears continue to rotate, this trapped fluid is gradually moved along the casing and forced out through the discharge port. This mechanism makes the gear pump a positive displacement device, meaning it delivers a fixed volume of fluid with each revolution of the gears.
The operation of the pump ensures a continuous and consistent flow, as long as the gears remain in mesh. The amount of fluid discharged per rotation remains constant, making the flow directly proportional to the pump's speed. This characteristic is especially useful in applications where precise control over fluid delivery is required.
Despite its efficiency, some minor fluid loss occurs due to internal leakage and the need for lubrication of the bearings and gears. However, these losses are minimal, and most gear pumps operate at around 93% to 98% efficiency for typical extrusion materials. They are also well-suited for handling fluids with varying viscosity or density, as they can maintain a steady flow even under changing conditions.
If there’s resistance on the discharge side—such as a clogged filter or a restricted valve—the pump will still push the fluid through, maintaining a consistent output until the system reaches its maximum pressure limit. This makes gear pumps reliable in many industrial applications.
The performance of a gear pump is also influenced by the properties of the fluid being pumped. For example, high-viscosity materials like polymer melts may require slower speeds to ensure proper filling of the gear cavities. This is crucial because if the inlet isn’t fully filled, the pump won't be able to deliver an accurate flow rate.
Gear pumps come in various sizes and configurations to suit different process requirements. Manufacturers often provide a range of options based on displacement, allowing users to choose the best fit for their specific application. This flexibility helps optimize both system performance and cost-effectiveness.
Modern gear pumps, such as the PEP-II model, feature advanced designs that enhance durability and efficiency. These include integrated gear and shaft systems, hardened components, and specialized sealing mechanisms that reduce wear and improve longevity. Some models even include heating elements to help manage viscous materials more effectively.
In addition to their mechanical advantages, gear pumps are often driven by separate motors, which help minimize pressure fluctuations and improve overall system stability. This makes them ideal for use in extrusion lines, where consistent flow and reduced material shear are essential for product quality.
Overall, the gear pump is a versatile and reliable component in many industrial processes, offering efficient and controlled fluid movement with minimal maintenance and high operational stability.
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2.15W LED Lamp gives of a strong glow each night
3.Easy to install and requires no wiring, assembly or maintenance
4.Sets up in seconds and starts gathering power the moment its exposed to the sun
5.Over charge and discharge protection provide fail-safe mechanisms against faulty batteries
Source: Bearing Network | Date: April 8, 2014