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    • 14. 发明公开
    • ZAHNRADPUMPE
    • EP2140142A1
    • 2010-01-06
    • EP08735717.4
    • 2008-04-02
    • Oerlikon Textile GmbH & Co. KG
    • HELBING, UlrichTOMZIK, ArkardiuszWITZLER, Dietrich
    • F04C15/00F04C2/18
    • F04C15/0026F04C2/18F04C15/0038F04C2220/24
    • The invention relates to a gear pump having two meshing gear wheels (4, 5) configured of a driven gear wheel (4) and a gear wheel (5) moving along with the same. A rotatably supported drive shaft (7) is provided for driving the gear wheel, the shaft being held in the pump housing (1) by bearing means (8.2). A sealing means (9.2) is associated with the drive shaft (7) at the circumference between the gear wheel and the bearing means, the sealing means comprising a pressure ring (10.2) resting against a face of the gear wheel. In order to prevent the gear wheel in the pump housing from starting to run, a second sealing means (9.1) having a second pressure ring (10.1) is disposed on the opposite face of the gear wheel (4) at the circumference of the drive shaft (7) between a second bearing means (8.1) and the gear wheel (4), wherein both pressure rings (10.1, 10.2) have a sealing shoulder (16.1, 16.2) opposite the gear wheel (4), the shoulder being pressed against the face of the gear wheel under the action of a spring means.
    • 齿轮泵技术领域本发明涉及一种具有由从动齿轮(4)和与其一起移动的齿轮(5)构成的两个啮合齿轮(4,5)的齿轮泵。 为了驱动齿轮而设置有可旋转支撑的驱动轴(7),轴通过轴承装置(8.2)保持在泵壳体(1)中。 密封装置(9.2)与驱动轴(7)在齿轮和轴承装置之间的圆周上相连,密封装置包括靠在齿轮面上的压力环(10.2)。 为了防止泵壳中的齿轮开始运转,具有第二压力环(10.1)的第二密封装置(9.1)设置在齿轮(4)的相对面上的驱动圆周 (8.1)与所述齿轮(4)之间的轴(7),其中两个压力环(10.1,10.2)具有与所述齿轮(4)相对的密封肩部(16.1,16.2),所述肩部被压制 在弹簧装置的作用下靠在齿轮的表面上。