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    • 3. 发明申请
    • FLAT-JET NOZZLE FOR A HIGH-PRESSURE CLEANING DEVICE
    • FLAT喷嘴的高压清洁单元
    • WO1994017921A1
    • 1994-08-18
    • PCT/EP1994000330
    • 1994-02-05
    • ALFRED KÄRCHER GMBH & CO.EISENMANN, Wilhelm
    • ALFRED KÄRCHER GMBH & CO.
    • B05B01/04
    • B05B1/048B05B1/042
    • In order to obtain a flat jet with a particularly uniform pressure distribution in a flat-jet nozzle for a high-pressure cleaning system with an outlet opening (6) and a jet channel (3) which opens into the latter, arranged upstream thereof, the invention provides that the jet channel (3) and the outlet opening (6) have, transversely to the direction of flow, a circular cross-section and are arranged concentrically to one another, so that the jet channel in the direction of flow converges and changes into a circularly cylindrical section (5) located upstream of the outlet opening, the ends of said section forming the outlet opening (6). The invention also provides that on diametrically-opposed sides of the jet channel in the region of transition of the converging section (4) of the jet channel (3) are arranged well-like widened sections (10) of the jet channel (3) which are designed and arranged symmetrically to one another, extending substantially over the entire diameter of the circularly cylindrical section (5) and having a deflection surface (11) which introduces a part of the liquid flowing through the converging section (4) essentially transversely into the circularly cylindrical section (5).