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Air-curtain incinerator for energetic materials

An air-curtain incinerator for burning energetic materials. Both the volume f air and the angle at which air enters the fire box are remotely controllable. The combustion process is monitored, and the air volume and angle at which air enters the fire box are controlled to minimize the production of air pollutants by the combustion of energetic materials.

Method and apparatus for manufacturing glass fibers using deflectable air curtain

An air flow supplied by a duct 10 adjacent a melt furnace 3 is normally directed downwardly through a plurality of nozzles 12 in the bottom of the duct towards a floor grate 13 or the like communicating with an exhaust duct 14, to thereby form a heat shielding air curtain 11 to protect the operator/controller. During the initial start-up period of the filament draw forming operation, however, a pivotal damper plate 15 adjacent the supply duct may be raised to deflect the air flow across the bottom of the orifice plate 4 of the melt furnace 3, to thereby cool the molten glass cones at the orifice exits and increase their viscosity, which serves to stabilize the filament forming conditions and prevent adjacent cones/filaments from converging together.

Kitchen ventilator having a downwardly directed air curtain

A kitchen ventilator has a first outlet for connection to an evacuation duct and a second outlet for recirculation air. The pressure side of the fan is connected to these outlets by means of a valve. A duct from the valve to a odor removal filter adjacent the second outlet forms a plenum chamber, the bottom of which is the bottom wall of the ventilator housing. In this bottom wall openings are provided for producing a downwards flowing air curtain only when the valve is set for recirculation.

Apparatus for removing dust having device for producing air curtain

Apparatus operable by actuating a trigger to cause high-pressure air from a compressor to jet out from the front end opening of a nozzle and to simultaneously produce an air curtain in the form of a conical air layer surrounding the air jet and spreading out from an annular fine clearance provided approximately at the base portion of the nozzle.

Modular trim assembly with air curtain for a motor vehicle
Air-curtain incinerator for energetic materials


PAT. NO. Title
51 4,241,671 Air-curtain incinerator for energetic materials
52 4,118,210 Method and apparatus for manufacturing glass fibers using deflectable air curtain
53 4,083,362 Kitchen ventilator having a downwardly directed air curtain
54 4,060,874 Apparatus for removing dust having device for producing air curtain
55 4,051,893 Air curtain-projecting ventilator
56 4,045,997 Air curtain device
57 4,003,138 Air curtain for clothes dryer

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