DSL 109 HHP Hydrostatic drive

The difference between a hydrodynamic drive and a hydrostatic drive is:

• A hydrodynamic drive uses fluid motion for power transmission, while a hydrostatic drive uses fluid pressure.

• A hydrodynamic drive uses gears, while a hydrostatic drive uses belts.

• A hydrodynamic drive is only used in cars, while a hydrostatic drive is only used in airplanes.

• A hydrodynamic drive uses electrical energy, while a hydrostatic drive uses magnetic energy.

Examples of off-road HST applications include:

• Agricultural tractors, construction equipment, and lawn mowers

• Passenger cars, motorcycles, and bicycles

• Commercial airplanes, helicopters, and drones

• Boats, jet skis, and submarines

The operation of variable-speed HST motors involves:

• Controlling the speed by adjusting the hydraulic fluid flow.

• Using fixed-speed electric motors only.

• Changing speed by mechanical gears only.

• Operating only at a constant speed.

The three finned members of a torque converter are ________, ________, and ________.

• Impeller, Turbine, Stator

• Rotor, Armature, Field

• Piston, Cylinder, Crankshaft

• Clutch, Gear, Shaft

Match the following torque converter components to their names as shown in the diagram:

• Impeller

• Middle-sized component

• Stator

• Smallest component

• Turbine

• Largest component

One of the purposes of a torque converter is to act like an automatic clutch.

• True

• False

Which of the following is NOT a finned member of a torque converter?

• Impeller

• Turbine

• Stator

• Rotor

Which of the following is driven by the engine and acts like a pump in a torque converter?

• Turbine

• Stator

• Impeller

• Clutch

Hydrodynamic transmission uses a ________ to transfer power, which relies on the momentum of the fluid to transmit torque without precise control over speed.

• fluid coupling

• gearbox

• belt drive

• clutch

Which type of transmission employs hydraulic fluid to transmit power, providing precise control over motion?

• Hydrodynamic transmission

• Hydrostatic transmission

• Manual transmission

• Electric transmission