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An air cylinder which will slow down the speed of the piston at the end of its stroke. Prevents shock and damage to cylinders.



Related Terms

PERCUSSION DRILL

A drilling machine usually using compressed air to drive a piston that delivers a series of impacts to the shank end of a drill rod or steel and attached bit.

AIR CYLINDER

A cylinder in which air is compressed by a piston, compressed air is stored, or air drives a piston.

DISPLACEMENT COMPRESSOR

A type of compressor that depends on displacement of a volume of air by a piston moving in a cylinder.

OPTICAL INDICATOR

An instrument which makes a plot of pressure in the cylinder of an engine as a function of piston (or volume) displacement, making use of magnification by optical systems and photographic recording; for example, the small motion of a pressure diaphragm may be transmitted to a mirror to deflect a beam of light.

INTAKE STROKE

The fluid admission phase or travel of a reciprocating piston and cylinder mechanism as, for example, in an engine, pump, or compressor.

AUTOMATIC LEVEL CONTROL

  1. A circuit that keeps the output of a radio transmitter or other device essentially constant, even in the presence of large changes in the input amplitude. Abbreviated ALC. 2. In an automotive vehicle, a system in which two air-chamber shock absorbers in the rear are fed compressed air by an electric compressor; pressure in the air chambers is determined automatically by sensors to maintain the vehicle at a predetermined height regardless of load.

IAS

Indicated air speed - the aircraft speed shown on the air speed indicator gauge. IAS corrected for instrument error and atmospheric density is equal to true air speed.

AIRSPEED INDICATOR

A device that computes and displays the speed of an aircraft relative to the air mass in which the aircraft is flying.

AIR-INJECTION SYSTEM

A device that uses compressed air to inject the fuel into the cylinder of an internal combustion engine.

I.A.S.

Indicated air speed - the aircraft speed shown on the air speed indicator gauge. IAS corrected for instrument error and atmospheric density is equal to true air speed.

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