Injection nozzle for a spray device and spray device
AssigneeLechler GmbH
InventorsBoris SCHMIDT, Gabriele BEDDIES, Robert HEINKEL, Hannes Knupfer
Life of this patent
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Abstract
An injection nozzle for a spray device for drawing in a fluid suction medium by a fluid propellant which is under excess pressure and for spraying an admixture of the suction medium and the propellant. The injection nozzle has a nozzle housing, an injection chamber arranged in the nozzle housing, a jet nozzle which opens in the injection chamber for producing a propellant jet which is introduced into the injection chamber, and a fluid suction opening for the fluid suction medium. The fluid suction opening opens in an annular channel which has a flow connection to the injection chamber.
Claims21
Injection nozzle for a spray device for drawing in a fluid suction medium by means of a fluid propellant which is under excess pressure and for spraying an admixture of the suction medium and the propellant, having a nozzle housing, having an injection chamber which is arranged in the nozzle housing, having a jet nozzle which opens in the injection chamber for producing a propellant jet which is introduced into the injection chamber, and having a fluid suction opening for the fluid suction medium, wherein the fluid suction opening opens in an annular channel which has a flow connection to the injection chamber.
Dependencies are inferred from the claim text.