overhead valve

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overhead valve

A valve located in the upper part of the aircraft reciprocating engine cylinder head. Both the inlet and outlet valves are overhead valves. See induction stroke.
References in periodicals archive ?
In an overhead valve engine, the tappet is fitted in the engine block.
It was a joy to dismantle and rebuild this 1300cc overhead valve engine.
The Traction Avant combined for the first time front-wheel-drive, monocoque chassis/body construction, torsion bar suspension and an overhead valve engine with removable cylinder sleeves.
This overhead valve engine, with a bore x stroke of 101.
The Peugeot 203 took on the look of an American-designed Sedan and was powered by a new four- cylinder 1290cc overhead valve engine churning out 42bhp.
The vehicle was originally fitted with a V12 overhead valve engine of 6 1/2 litres, but for practical and economy reasons was replaced in 1946 with the current six-cylinder 4-litre unit.
7 liter, 4-cylinder, overhead valve engine (gasoline or propane) provides high torque at low speeds for greater productivity in ramp loading situations and where high hydraulic flow is required.
Similarly, replacement of an overhead valve engine with a smaller overhead cam engine of the same performance produces a 3 to 6 percent gain.
The revolutionary YARD-MAN riding lawn tractor is designed to make mowing a lawn easier and features an innovative Briggs & Stratton INTEK overhead valve engine, Auto Drive(TM) transmission, a TightTurn(TM) steering system and a FastAttach(TM) tool-free attachments system.
The basic design for Courage is an air-cooled, spark-ignited, four-cycle, overhead valve engine with a cast iron cylinder liner.
Paul's Standard was first registered in 1926, it has a four-cylinder 1,944cc overhead valve engine, four-speed gearbox and front wheel brakes which were standard for the first time that year.
The outboard's four-cycle overhead valve engine design is both user- and environment- friendly.