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    • 4. 发明授权
    • Cleaning rotor
    • 清洁转子
    • US07945984B2
    • 2011-05-24
    • US11578569
    • 2005-04-13
    • Dieter Hoffmeier
    • Dieter Hoffmeier
    • B08B1/04F28G3/00
    • C02F1/325C02F2201/3223C02F2201/324
    • The invention relates to a cleaning rotor (1) having a longitudinal axis (L), a base part (5), which extends concentric to the longitudinal axis (L), a head part (3) and a strut element (9) that extends between the base part and the head part. Said strut element (9) extends in a helical manner about the longitudinal axis (L). The invention is characterized in that at least one supporting part (7) is placed between the base part (3) and the head part (3) while extending parallel to the longitudinal axis (L). The strut element (9) is supported on the supporting part (7) and is concave over its length.
    • 本发明涉及一种具有纵向轴线(L),与纵向轴线(L)同心延伸的基座部分(5)的清洁转子(1),头部(3)和支柱元件(9),其中 在基部和头部之间延伸。 所述支柱元件(9)围绕纵向轴线(L)以螺旋方式延伸。 本发明的特征在于,至少一个支撑部分(7)放置在基部(3)和头部(3)之间,同时平行于纵向轴线(L)延伸。 撑杆元件(9)支撑在支撑部分(7)上并且在其长度上是凹的。
    • 9. 发明授权
    • Centrifugal pump, particularly for fountains
    • 离心泵,特别适用于喷泉
    • US5711657A
    • 1998-01-27
    • US615212
    • 1996-03-13
    • Dieter Hoffmeier
    • Dieter Hoffmeier
    • F04D13/02F04D29/24
    • F04D13/021F04D29/247
    • A centrifugal pump, particularly for fountains and aquariums, for which an electric motor and a pump are disposed coaxially to one another, the electric motor being constructed as a single-phase synchronous motor with a permanent magnet rotor and connected with an open impeller of the pump with impeller blades, which are bent back from a hub towards the outside spirally with respect to a specified direction of rotation, is improved in the direction of a simple and inexpensive production as well as a compact and robust construction without a significant loss in overall efficiency owing to the fact that the impeller blades are constructed flexibly in such a manner that, if the synchronous motor starts counter to the specified direction of rotation, they are propped open by at least 2% in the radial length.
    • PCT No.PCT / EP95 / 02770 Sec。 371日期:1996年3月13日 102(e)日期1996年3月13日PCT提交1995年7月14日PCT公布。 WO96 / 02763 PCT出版物 日期1996年2月1日一台离心泵,特别是用于电动机和水泵彼此同轴设置的喷泉和水族箱,电动机被构造为具有永磁转子的单相同步电动机,并与 具有叶轮叶片的开式叶轮,其从相对于特定旋转方向从轮毂向外螺旋地向后弯曲的叶轮,在简单且便宜的生产方向以及紧凑且坚固的结构方面得到改善,没有 由于叶轮叶片的构造灵活,因此如果同步电动机与规定的旋转方向相反,它们在径向长度上被支撑至少2%,因此整体效率的显着损失。
    • 10. 发明授权
    • Sludge extractor
    • 污泥提取器
    • US07273544B2
    • 2007-09-25
    • US10490781
    • 2002-09-25
    • Dieter Hoffmeier
    • Dieter Hoffmeier
    • B01D21/22
    • F04D31/00F04D13/14
    • A sludge extractor with a receiving tank, on which a suction connection for a suction element, which draws in a sludge-containing liquid, and a discharge connection for discharge element, which discharges the sludge-containing liquid, are mounted, and with a motor for driving a suction device in such a way that a negative pressure is created in the receiving tank, which negative pressure keeps a vacuum valve on the discharge element closed, is characterized in that the negative pressure acting on the vacuum valve is lower than the pressure which acts on the vacuum valve as a result of the sludge-containing liquid when a predetermined fill level is reached by the sludge-containing liquid in the receiving tank.
    • 具有接收罐的污泥提取器安装有吸入含污泥的液体的吸入元件的吸入连接和排出含污泥的液体的排出元件的排出连接,并且与电动机 用于驱动吸入装置,使得在接收罐中产生负压,该负压将放电元件上的真空阀保持在关闭状态,其特征在于作用在真空阀上的负压低于压力 当在接收罐中的含污泥的液体达到预定的填充量时,由于含污泥的液体,其作用在真空阀上。