Description

How They Work

1. Intermeshing Gears: Two or more gears mesh together within a casing.
2. Fluid Trapping: As the gears rotate, the spaces between the teeth create chambers that fill with fluid.
3. Fluid Transfer: These fluid-filled chambers are carried around the gears and discharged from the pump.

Types of Gear Pumps

• External gear pumps: The gears mesh externally, and the fluid is trapped between the gear teeth and the casing.
• Internal gear pumps: One gear is smaller and rotates inside a larger gear. A crescent-shaped partition separates the inlet and outlet ports.

Advantages of Gear Pumps

• Self-priming: Can operate without a full suction line filled with liquid.
• Handles viscous fluids: Efficient at pumping thick fluids.
• High flow rates: Capable of high flow rates.
• Reliable and durable: Relatively simple design and robust construction.
• Low pulsation: Provides a smooth and steady flow.

Applications

• Hydraulic systems: Used in hydraulic systems to transfer hydraulic fluid.
• Chemical processing: Used to pump corrosive fluids.
• Food and beverage industry: Used for pumping viscous fluids like honey or syrup.
• Fuel transfer: Used in fuel transfer systems.
• Lubrication systems: Used to circulate lubricating oil.