How the clutch works in automobile?

Coupling is an important constructive element of transmission of the machine. Why? It is intended for short-term disconnection from the transmission. Besides helps further smooth connection at gear shifting. Also, the clutch protects the transmission elements from overloads and fluctuations. It is located between the transmission and the engine. In this article we will tell you how the clutch works and what it is.

Types of clutches

1. Friction. Transmits torque by using friction forces. This is the most common type.

2. Hydraulic. Transmits torque by using the special flow of the liquid.

3. Electromagnetic. Transmits torque through magnetic fields.

Also, the clutch happens:

- single, double or multi-plate;

- dry or wet.

Almost all modern cars set dry clutch with one disk, which has the following device: - clutch fork, clutch off, bearing off the clutch diaphragm spring, driven plate, clutch disk, clutch housing, flywheel.

How the clutch works with a single disk?

To the crankshaft of the engine is installed flywheel, which performs the function of a master disk clutch. Usually on modern cars installing dual-mass flywheel, which consists of two elements connected by springs. Thus one part is connected with the driven disk and the other with the crankshaft. With this design, dual-mass flywheel ensures smooth vibrations and jerks of the crankshaft. The structural elements are arranged in the clutch housing, which by means of two bolts attached to the engine. In cars with automatic transmission do not usually put the clutch with one disc for the reason that the principle of operation of the automatic transmission differs from the mechanics.

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How the clutch works? Disc pressure plate presses the driven disk to the flywheel. In the case of necessity cease to exert pressure on him. Disc pressure plate connected to the cover plate through the tangential springs, that if you disable the clutch act as return springs.

The Diaphragm spring acts on the pressure plate. It provides the compression necessary for the efficient transmission of torque. The outer diameter of this spring rests on the edge of the disc push. On the inner diameter of the springs contain metal petals. At their ends the bearings act clutch release. The diaphragm clutch spring is fixed in the housing by means of support rings or stud bolts.

The Housing, the diaphragm spring and the pressure plate form a single unit called the clutch basket. It is rigidly connected by bolts with the flywheel. There are two types of baskets:

• Extraction steps
• Press action.

The handling cart characterized by a small thickness. For this reason it is used in confined spaces.

The slave Drive is located between the pressure disc and the flywheel. Its hub is connected with the input shaft transmission. On both sides of the slave disk set friction linings made of glass fiber. They can withstand temperatures up to 400 degrees.

How the clutch works with two drives

The Clutch with two disks transfers more torque for the same size. It also ensures the long service life of the whole structure.

In this article we told you about how the clutch works. In cars with automatic transmission the gear change occurs according to some other principle. Mainly used double disc clutch.