rocker arm


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rocker arm

n.
A pivoted lever used in an internal combustion engine to transfer cam or pushrod motion to a valve stem.

rocker arm

n
(Automotive Engineering) a lever that rocks about a pivot, esp a lever in an internal-combustion engine that transmits the motion of a pushrod or cam to a valve

rock′er arm`


n.
a rocking or oscillating arm or lever rotating with a moving shaft or pivoted on a stationary shaft.
[1855–60]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rocker arm - a lever pivoted at the centerrocker arm - a lever pivoted at the center; used especially to push a valve down in an internal-combustion engine
lever - a rigid bar pivoted about a fulcrum
Translations
References in periodicals archive ?
Extreme wear was found on pushrod ends and the rocker arm sockets.
The angularity of the rocker arm and the proximity of the sliding pin to the rocker arm's fulcrum provided a faster downstroke.
Once Scorpion's engineers felt they had the ultimate design for a shaft mount rocker arm with endurance qualities, the manufacturing crew produced prototype components for testing.
The fuel/water separator's vent lines that mount into engine's rocker arm covers
Low-friction technologies such as an offset cylinder and a roller rocker arm are supplemented by such techniques as intelligent control to lessen friction during power generation and the first adoption of a shell-type needle bearing for the rocker arm shaft.
SKF (UK) has launched a new Rocker Arm Bearing Unit developed to enhance the operating of valve mechanisms in 4-stroke engines.
Or maybe a nice bracelet made from a car exhaust clamp studded all around with rocker arm pivots?
The components included engine mount, rocker arm, swivel, elbow and swing arm castings.
The mechanism consists of a rocker arm with twin links that close the intake valves by transferring rotational movement to the output cam via a driveshaft with an eccentric cam.
The problem last Friday was a broken rocker arm, an unfortunate event that nobody could have foreseen.
For the device's internal rocker arm component, material rigidity and dimensional stability were critical requirements.
GM was working on designing a complex elastomer seal that would sit between an engine's rocker arm cover and a cylinder head; the purpose of the seal was to maintain a constant pressure with no oil leaking out and no air seeping in.