Gear Pump Functionality and Features

The video explains the operation of gear pumps, which use gears to move fluid. It covers the mechanics of how the gears disengage and engage to create pressure differences, allowing fluid to flow. The design of gear pumps, including components like bearings and seals, is discussed. Internal gear pumps, which are more complex and costly, are also covered. Common failures such as bearing wear and seal damage are highlighted, along with applications in hydraulic systems and machinery.

What is the primary function of a gear pump?

• To generate electricity

• To pump fluid

• To compress air

• To measure pressure

What happens when the flanks of the gear teeth disengage?

• The pressure increases

• The volume decreases

• A volume is generated

• The volume remains the same

Where are the gear wheels located in a gear pump?

• In the reservoir

• In the sealed chamber

• In the motor

• In the pressure channel

What is the role of the sliding bearings in a gear pump?

• To generate electricity

• To decrease volume

• To facilitate lubrication

• To increase pressure

What is necessary to prevent fluid leakage in a gear pump?

• Shaft seal and sealing rings

• Larger gears

• Sealed chamber

• Increased pressure

What is a unique feature of internally geared pumps?

• They require a crescent separator

• They do not need lubrication

• They use externally toothed gears

• They are cheaper to manufacture

Why do internally geared pumps operate more smoothly?

• They have a more complex design

• They are larger in size

• They have fewer moving parts

• They use external gears

What is a common issue with the bearings in gear pumps?

• They are stronger than the gears

• They do not require maintenance

• They increase fluid pressure

• They wear out quickly

What can happen if the seals in a gear pump are damaged?

• Fluid can leak from the pressure side to the suction side

• The pump will stop working

• The pump will overheat

• The gears will wear out

In which applications are gear pumps commonly used?

• Water purification systems

• Electrical circuits

• Hydraulic systems in presses and machine tools

• Air conditioning systems