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Related to ejector: air ejector


Any of various types of jet pumps used to withdraw fluid materials from a space. Also known as eductor.
A device that ejects the finished casting from a mold.
A device in the breech mechanism of a gun, rifle, or other firearm which automatically throws out an empty cartridge case, or unfired cartridge, from the breech or receiver.



a device in which kinetic energy is transferred from a medium that is moving at high velocity to another medium. The energy is transferred as the media are mixed (seeJET APPARATUS). Ejectors are used in jet and vacuum pumps. They are widely used as mixers in the chemical and petroleum-refining industries.


Sokolov, E. Ia., and N. M. Zinger. Struinye apparaty, 2nd ed. Moscow, 1970.
Gubin, M. F., Iu. N. Gornostaev, and K. A. Liubitskii. Primenenie ezhektorov na gidroelektrostantsiiakh. Moscow, 1971.

ejector, ejector pump

1.A type of pump for ejecting liquid, as from a sump; induces fluid flow by entraining the liquid in the flow of a stream of air, steam, or water.
2. A cleanout, 1.

sump pump, ejector

sump pump
A pump used to remove the accumulated waste in a sump.


i. A form of jet pump used to transfer fluids from one location to another. Ejectors are normally used in the feeder or the main tank, in which the booster pump is installed to ensure that this tank is never empty. The ejectors suck in fuel from the other tanks.
ii. Any device to eject something (e.g., links of gun ammunition in a belt are ejected from the gun into the aircraft fuselage or the atmosphere by an ejector).
References in periodicals archive ?
For tunnel gates machined into the moving side of the mold, the length of the boss formed by a shortened ejector pin should always be greater than the length of the tunnel gate--not its depth, but its hypotenuse.
After the war, S&W continued to produce the large-caliber Hand Ejector revolvers (sans the Triple Lock) for the commercial market.
The refrigerant flow after the expansion valve is divided and run into the ejector (Drive flow: [G.
Hence it prevents both ejector and microSATA device from damage, and it also increases endurance of the ejector and the device.
44 Hand Ejector 4th Model Military better known as the Model 1950 Military.
Our knowledge and experience allows us to determine the exact amount of compression an ejector can achieve, to suit the demands of our clients.
Scanmudring-Rotech Subsea managing director Niels-Henrik Brotkorb said that Vako has developed several kinds of ejectors for all Scanmudring-Rotech Subsea dredging and excavation needs ranging from the Scanmachines to the ScanROVdredges.
By working at low feed pressure and maximising the utilisation rate of the compressed air, the Coax ejectors reduce energy consumption.
The ejector rod that projects forward from the cylinder under the barrel must be depressed manually to activate the extractor.
The tandem or two-stage ejector system captures gas leakage from a dry-gas seal at low pressure and recompresses it to a pressure equivalent to the fuel gas pressure, www.