रॉकर-आर्म इसके अंग्रेजी अर्थ का उदाहरण

In 1999 Nissan replaced the valvetrain with a roller-rocker arm lifter design in place of the hydraulic rocker arm previously used, but kept the lowport intake design; many performance parts are not interchangeable between roller-rocker and highport/lowport engines, most notably camshafts.

Ghost towns in the San Francisco Bay Area Rocker covers are covers that are bolted on over rocker arms in an internal combustion engine.

On modern engines without rocker arms they are internationally known as "valve cover" but are sometimes referred to as a "cam cover" or "timing cover" if they also cover the timing gear(s) and belt or chain.

As the rocker arms are critical to having the intake and exhaust valves operate, it was necessary to keep them constantly oiled.

With these early engines, the rocker arms would have to be frequently oiled as the oil was constantly being thrown off or contaminated with dirt from the outside environment.

The Flintstones A rocker arm (in the context of an internal combustion engine of automotive, marine, motorcycle and reciprocating aviation types) is an oscillating lever that conveys radial movement from the cam lobe into linear movement at the poppet valve to open it.

Some overhead cam engines employ short rocker arms in which the cam lobe pushes down (rather than up) on the rocker arm to open the valve.

On this type of rocker arm, the fulcrum is at the end rather than the middle, while the cam acts on the middle of the arm.

These types of rocker arms are particularly common on dual overhead cam motors, and are often used instead of direct tappets.

This pushes the rocker arm up and down about the trunnion pin or rocker shaft.

A similar arrangement transfers the motion via another roller tip to a second rocker arm.

A roller rocker is a rocker arm that uses bearings instead of metal sliding on metal.

The effective leverage of the arm (and thus the force it can exert on the valve stem) is determined by the rocker arm ratio, the ratio of the distance from the rocker arm's center of rotation to the tip divided by the distance from the center of rotation to the point acted on by the camshaft or pushrod.