cylinder head


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Related to cylinder head: cylinder head gasket, cylinder block

cylinder head

[′sil·ən·dər ‚hed]
(mechanical engineering)
The cap that serves to close the end of the piston chamber of a reciprocating engine, pump, or compressor.

cylinder head

Normally, a removable top portion of an engine cylinder. It contains spark plugs, inlet and exhaust connections, and valves. See cylinder block.
References in periodicals archive ?
The determination of the variable temperature fields is experimentally realized by fitting thermocouples in the wall of the Dacia engine cylinder head, in the area of the intake and exhaust valves, fig.
Insufficient torque can result in a plug blowing right out of the cylinder head, taking the threads with it.
After marking one side, the cylinder head is rotated and the sequence is performed again on the opposite side.
of Pittsburgh to analyze a solid model that consisted of the cylinder head and six washers.
For example, says Victrex, the cylinder head gasket is subjected to temperatures that can vary between -40[degrees]F and 480[degrees]F and 250[degrees]C and 250[degrees]C).
The cylinder head is essentially an interference fit between the two halves of the block, but additionally restrained by the bolted engine cover plate, which also houses the coolant passages for the cylinder head area.
According to tests performed for GRI by Southwest Research Institute (SwRI) on a Caterpillar 3516G natural gas engine, ceramic valve train components could extend cylinder head life to as much as 70,000 hours well beyond the engine overhaul interval.
Being the new kind on the block is not easy, says Terry Reed, owner of R&H Cylinder Head Inc.
Sealing products on the high-performing engines include: cylinder head gaskets, intake and exhaust manifold gaskets, oil pan gaskets, cover gaskets and modules, dynamic seals, heat shields and a total engine sealing system.
The activities will be carried out under repair are: - Removal and installation of valve cylinder head; - Check the cylinder head for cracks using a hydraulic test; - Straightening surface of the cylinder head; - Recovery running surfaces of the valve seat; - grinding the running surfaces of the valve; - changing the leader of the valve; - changing the torch; - changing the valve seat (includes dismantling, processing and assembly).