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 ?
Inspection revealed 10 of the 12 pushrods are worn.
500-inch pushrods, the valvetrain geometry changed, requiring the pushrod holes in the heads to be hogged out for clearance.
The A-arms, the pushrods, the shock absorbers and various levers of modern formula SAE race cars are connected to the chassis, bell cranks or wheel uprights by ball joints, also known as spherical bearings.
Engines used a twin camshaft arrangement that operated the inclined overhead valves by short pushrods.
Hart-Parr described the Little Devil's engine as having "No cams, cam gears or pushrods.
Inside lurked a solid billet, steel crank and under the valve covers, inlet valves were activated by atmospheric pressure and pushrods actuated the exhaust valves.
Power for the monster came from a 3,435 cc, 125 bhp six cylinder overhead valve unit with single camshaft and pushrods.
This is true whether the valves are operated by pushrods or overhead cams (OHC) Call them pushrod engines or cam-in-block (CIB) engines to distinguish them from OHC, but please, not OHV.
Eight valves, cast-iron construction and pushrods with ancestry going back to the Anglia might not sound tempting.
Power came from a 3,435cc, 125 bhp six cylinder overhead valve unit with single camshaft and pushrods.
6-litre Chevy Small Block is a 44-year-old design using just two valves per cylinder, pushrods and even a four-choke carb
Series SEN-400, 0-33 mV extrusion transducers are interchangeable with other brands but contain no mercury, NaK, silicon oil, or pushrods.