cylinder head

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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 ?
Taida also stresses that its high compression cylinder heads greatly upgrade combustion efficiency, lower piston friction, cut fuel consumption and emission.
The integrated cylinder head/exhaust manifold design saves approximately 13 pounds (6 kg) per engine over the cylinder heads and manifolds of the current engine, while the new composite intake manifold saves approximately 5.
Security officer Richard Allen also saw a pile of cylinder heads stacked nearby, and then noticed a green Ford Mondeo estate.
After marking one side, the cylinder head is rotated and the sequence is performed again on the opposite side.
For a prototype cylinder head one exhaust port, one intake port and one chamber are developed.
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.
AFR has incorporated its entire catalog product line into the SYSPRO product configurator, enabling AFR order takers to customize cylinder heads to meet customers' needs for various levels of performance.
Diesel engine cylinder heads and gasoline turbo cylinder heads require high heat strength and at least 3% elongation.
April 10 /PRNewswire/ -- FEV announced today it has developed a new low-height cylinder head concept that allows a reduction in the height of a classical design cylinder head by up to 15mm.
Annie and her brother George (the intense Jef Kerr) once next-door neighbors, have had to deal with the scandal of their father's imprisonment for selling the Army cracked cylinder heads for aircraft engines, which resulted in the deaths of 21 pilots.
The new 30% HCNG 11-liter City Engine to be employed is based on a proven Doosan Infracore (Korea) short block engine design, with newly redesigned Collier/City Engines cylinder heads.
The investment in Saginaw, which will allow the production of cylinder heads for 3.