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Fluid Coupling: wurkje, diel, applikaasjes

Hydraulic coupling is another name for floeibere keppeling. It is a hydrodynamic device that uses transmission fluid to transfer rotational power from one shaft to another. It is utilised for power transmission in automobile transmission systems, marine propulsion systems, and industries. It’s used as a substitute for a mechanical clutch.

A fluid coupling is made up of an impeller on the input or operating shaft and a runner on the output or driven shaft in terms of structure. The fluid is contained by the two. The impeller and runner are bladed rotors that function as a pump and a turbine, respectively. The impeller essentially accelerates the fluid from near its axis, where the tangential component of absolute velocity is minimal, to at its periphery, where it is high. This increase in kinetic energy corresponds to the increase in velocity. The fluid mass exits the impeller at a high velocity, collides with the runner blades, gives up its energy, and exits the runner at a low velocity.

Parts of Fluid Coupling:

In automobiles with automatic gearboxes, fluid coupling or hydraulic coupling is utilised as a clutch. As indicated in fig. 1, it is made up of two members: the driving and the driven. The engine flywheel is connected to the driving member, and the transmission shaft is connected to the driven member. There is no direct communication between the two members. The driving member slides freely on the transmission shaft’s splines. Oil is always present in the two rotors.

A fluid coupling is made up of three parts plus hydraulic fluid:

The fluid and turbines are contained in the housing, often known as the shell (which must have an oil-tight seal around the driving shafts).

Two turbines (components that resemble fans):

The primary wheel input turbine is attached to the input shaft and is known as the pump or impeller.

The other, known as the turbine, output turbine, secondary wheel, or runner, is linked to the output shaft.

Working Principle of Fluid Coupling:

A fluid coupling has an input shaft that is linked to an external driving shaft. This external driving shaft rotates the input shaft of the coupling, generating kinetic energy, which is then transmitted to the fluid present. The fluid is converted into centrifugal force and applied to the turbine to rotate it. The turbine is rotated with the assistance of centrifugal force at the same torque generated by the input shaft called an impeller. By attaching an output shaft to the turbine shaft, the turbine’s rotating power is transmitted.

Industrial uses, power plants, and autos all require fluid couplings. This sort of connection replaces the mechanical clutch function in autos. A fluid coupling needed appropriate installation and upkeep. This is a torque-transfer device with a high efficiency. It can manage torque, and the device’s operation is smooth and free of vibrations. It also has fewer moving components, resulting in reduced wear.

Applications of Fluid Coupling:

It is used in the automobile industry as a substitute to the clutch for power transfer from the engine to the wheels. It’s a component in maritime propulsion systems. It is utilised for power transmission in a variety of sectors.

We learnt everything there is to know about fluid coupling, including its key components, operation, and application. If you are looking for fluid couplings, visit our website, we are one of the topfluid coupling manufacturers offering all kinds of motors. Get in touch with us.


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