overhead-valve engine


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overhead-valve engine

n
(Automotive Engineering) a type of internal-combustion engine in which the inlet and exhaust valves are in the cylinder head above the pistons. US name: valve-in-head engine Compare side-valve engine
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The WD-9 is powered by International's D-335, 5.5 litre, 4-cylinder, overhead-valve engine offering approximately 50 hp.
The car initially came with a sidevalve engine but was later improved to an overhead-valve engine. Also the car, at that point, was quite an innovation with a fully enclosed monocoque chassis, which is why it is spacious inside.
It had the standard 26.5 hp, 4-cylinder, overhead-valve engine that drove the rear wheels through a 4:1 auxiliary gearbox.