valve rocker arm

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• Rocker arm — Generally referred to within the internal combustion engine of automotive, marine, motorcycle and reciprocating aviation engines, the rocker arm is a reciprocating lever that conveys radial information from the cam lobe into linear information at …   Wikipedia

• rocker arm — A curved lever that pivots in the middle. One end is attached to the top of the valve stem. In overhead valve engines the other end is attached to the push rod. In some overhead cam engines the other end is attached directly to the camshaft lobe …   Dictionary of automotive terms

• rocker arm — noun a lever pivoted at the center; used especially to push a valve down in an internal combustion engine • Syn: ↑valve rocker • Hypernyms: ↑lever …   Useful english dictionary

• valve rocker — noun a lever pivoted at the center; used especially to push a valve down in an internal combustion engine • Syn: ↑rocker arm • Hypernyms: ↑lever …   Useful english dictionary

• adjustable rocker arm — A type of rocker arm with an adjusting nut that can be tightened or loosened to adjust valve lash …   Dictionary of automotive terms

• rocker arm cover — A metal lid located on top of the cylinder head on vehicles that have valves that are activated by an overhead cam or by rocker arms. See valve cover …   Dictionary of automotive terms

• rocker arm — A pivoted arm in the cylinder head of an aircraft reciprocating engine. It is actuated by the push rod to push open the intake or the exhaust valve …   Aviation dictionary

• rocker arm — noun Date: 1851 a center pivoted lever actuated by a cam to push an automotive engine valve down …   New Collegiate Dictionary

• rocker arm — /ˈrɒkər am/ (say rokuhr ahm) noun a lever, usually pivoted near its midpoint, used to transmit motion to a valve stem from a cam …  

• Valve float — is an adverse condition which occurs when the poppet valves on an internal combustion engine valvetrain do not remain in contact with the camshaft lobe during the valve closure phase of the cam lobe profile. This reduces engine efficiency and… …   Wikipedia

• Rocker covers — Rocker Covers, in relation to the internal combustion engine, are covers that are bolted on over rocker arms. Called a valve cover in the United States.In early engines, these covers did not exist. As the rocker arms are critical to having the… …   Wikipedia