Chapter XXXVIII: Section 45: Jets, Nozzles, and Injectors

=794. Straight jet,= for long distances.

=795. Short jet.=

=796. Rose jet,= for spreading.

=797. Fan jet,= or spreader.

=798. Blast tuyere.=

=799. Smith’s tuyere and water bosh.=

=800. Jet aspirator,= for inducing a mixed current of air and water or steam.

=801. Steam jet pump;= the steam enters by the central jet and causes a vacuum, into which the water rises by the branch pipe.

=802. Insufflator= for steam and air blast; used also as a petroleum injector, &c.

=803 & 805. Spray jets;= the liquid rises by gravity at the small vertical nozzles, and is driven in a spray or mist by a cross blast of air from the horizontal jets.

=804. Injector.= The varieties of this contrivance are too numerous to specify. See Graham’s, Gifford’s, Hall’s, Hancock’s, and others in common use.

=806. Plain or spreading jet.= The eight vanes can be pushed into the jet of water to cut it up by moving the sliding ring.

=807. Ventilating jet or aspirator,= with several lateral openings for inducing a current.

=Jet condensers.= See Section 25.