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The piston and piston rod are sealed
Jan 06, 2017
Piston is installed in the cylinder and the cylinder along the inner surface of the disc-shaped or cylindrical movement, from the transmission power.In the internal combustion engine, the piston in the gas pressure to promote the external work; in the compressor and plunger In a pump, the piston applies pressure to the fluid in the cylinder and increases the pressure. The seal of the piston against the cylinder's inner surface is achieved by a piston ring, which is a body integral with the piston and transmitting the movement of the piston to the cylinder The seal of the piston rod to the cylinder block is normally sealed by a packing.