Air blast

a jet of air produced mechanically.
Historical Examples

To insure the action of the gap, the arc was blown out by a magnet or air blast.
The inventions, researches and writings of Nikola Tesla Thomas Commerford Martin

In contrast to this, a “solid” type of fuel injection may be employed to eliminate the complications of the “air blast” system.
The First Airplane Diesel Engine: Packard Model DR-980 of 1928 Robert B. Meyer

Frantically Arcot warned them away, lest the air blast from their props tear the glider from the magnet.
The Black Star Passes John W Campbell

The air blast, moreover, by being diffused round the glass of the condenser apparatus, would somewhat mask the appearances.
A Dictionary of Arts, Manufactures and Mines Andrew Ure

The same old tuyer iron receives the air blast from the same old style leather bellows, and there is nothing more satisfactory.
Farm Mechanics Herbert A. Shearer

The true bottom is perforated, so that air can be forced in by an air blast admitted through the trunnion and the air chamber.
An Elementary Study of Chemistry William McPherson

He pulled it out and used it to whirl him upright again; then its air blast drove him back to the surface of the asteroid.
Rip Foster in Ride the Gray Planet Harold Leland Goodwin

The hydrogen and steam valves are now closed and the air blast turned on.
Scientific American Supplement, No. 795, March 28, 1891 Various

After this any dust or dirt adhering to the sugar is blown off by an air blast.
The Story of Sugar Sara Ware Bassett

City grit cut at my ankles from the air blast before I could hop into the bubble and give him my destination.
Modus Vivendi Gordon Randall Garrett