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公开(公告)号：EP1177757A2
公开(公告)日：2002-02-06
申请号：EP01120850.1
申请日：1998-12-17
申请人： NOTETRY LIMITED
发明人： Dyson, James
CPC分类号： A47L9/127 , A47L5/28 , A47L5/32 , A47L9/0081
摘要： The invention provides a vacuum cleaner comprising an airflow path having a dirty air inlet (14) and a clean air outlet (44e), a fan (48) for drawing an airflow along . the airflow path from the dirty air inlet (14) to the clean air outlet (44e), a motor (50) for driving the fan (48), separating apparatus (18) for separating dirt and dust from the airflow, a pre-motor filter (32) arranged upstream of the motor (50) and a post-motor filter (42) arranged downstream of the motor (50), wherein both the pre-motor filter (32) and the post-motor filter (42) are cylindrical filters.
摘要翻译： 本发明提供了一种真空吸尘器，其包括具有脏空气入口（14）和清洁空气出口（44e）的气流路径，用于沿着气流抽吸的风扇（48）。 从脏空气入口（14）到洁净空气出口（44e）的气流路径，用于驱动风扇（48）的电动机（50），用于从气流中分离灰尘和灰尘的分离装置（18） 其中，所述电机前过滤器（32）和所述电机后过滤器（42）都布置在所述电机（50）的上游，并且所述电机后过滤器（42） 是圆柱形过滤器。
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公开(公告)号：EP1098586A1
公开(公告)日：2001-05-16
申请号：EP99934871.7
申请日：1999-07-16
申请人： NOTETRY LIMITED
IPC分类号： A47L9/16
CPC分类号： A47L9/1633 , A47L9/1683 , B01D45/08 , B04C5/08 , B04C5/103 , B04C5/26 , Y10S55/03
摘要： The invention provides apparatus for separating dirt or dust from an airflow, comprising a collector (32) having an outer wall (32a) forming an air-rotational surface, an inner wall (34a), an airflow inlet for introducing the airflow substantially tangentially to the outer wall (32a), an airflow outlet for removing air from the collector (32), and at least one fin or baffle (30) positioned within the collector (32), characterised in that the or each fin or baffle (30) is located on the inner wall (34a) of the collector (32) and projects outwardly therefrom. The presence of the fins or baffles (30) on the inner wall (34a) discourages re-entrainment of dirt and dust particles remaining within the separation apparatus after the airflow therethrough has been discontinued.
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公开(公告)号：EP1052923A1
公开(公告)日：2000-11-22
申请号：EP98959008.8
申请日：1998-12-08
申请人： NOTETRY LIMITED
IPC分类号： A47L5/30 , F16D43/206
摘要： The invention provides a clutch mechanism (200) having a driven pulley (32) and a drive pulley (34) to which a load is applied, the clutch mechanism (200) having an engaged position in which torque applied in use to the driven pulley (32) is transmitted to the drive pulley (34), and a disengaged position in which torque applied in use to the driven pulley (32) is not transmitted to the drive pulley (34), wherein the clutch mechanism (200) also has override means (238, 242) by which at least a proportion of the torque applied to the driven pulley (32) is absorbed when the load applied to the drive pulley (34) exceeds a predetermined value. The invention also provides a clutch mechanism (200) having a driven pulley (32) and a drive pulley (34) to which a load is applied, the clutch mechanism (200) having an engaged position in which the torque applied in use to the driven pulley (32) is transmitted to the drive pulley (34), and override means whereby at least a proportion of the torque applied in use to the driven pulley (32) is absorbed when the load applied to the drive pulley (34) exceeds a predetermined value, the override means comprising a pair of detent plates (238, 242), the detent plates being pressed together so as to transmit torque therebetween in the engaged position, and the detent plates (238, 242) being rotatable with respect to one another when override occurs, and at least one ball-bearing (248) being held captive between the detent plates (238, 242), the detent plates (238, 242) being adapted so as to retain the at least one ball-bearing (248) within a groove in each detent plate, wherein each groove is continuous about the axis of rotation of the detent plates.
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公开(公告)号：EP0799093B1
公开(公告)日：2000-11-08
申请号：EP95941210.7
申请日：1995-12-20
申请人： NOTETRY LIMITED
发明人： DYSON, James , THOMSON, Andrew, Walter, McRae , BICKERSTAFF, Simon, Mark Dyson Appliances Limited
CPC分类号： A47L9/1658 , B04C5/185 , Y10S55/02 , Y10S55/03
摘要： The invention provides apparatus (10) for separating dirt or dust from an airflow comprising a frustoconical cyclone (12) having a tangential air inlet (16) located at or adjacent the end of the cyclone (12) having the larger diameter and a cone opening (18) located at the end of the cyclone (12) having the smaller diameter. A collector (20) is arranged so as to surround the cone opening (18) and has a base surface (24) facing towards the cone opening (18). According to the invention, at least a portion (24a) of the base surface (24') is conical or frustoconical in shape and dust-retaining means (30) are provided spaced from the centre of the base surface. This allows the apparatus (10) to be reduced in size without substantially affecting the separation efficiency.
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公开(公告)号：EP1043947A1
公开(公告)日：2000-10-18
申请号：EP98957024.7
申请日：1998-12-03
申请人： NOTETRY LIMITED
发明人： DYSON, James , JONES, Gareth
CPC分类号： A47L9/0477 , A47L5/30
摘要： The invention provides a brush bar (1) for a vacuum cleaner comprising a central core (8) at least one radially extending flange (17) and a plurality of bristles (19), the bristles (19) being mounted on the at least one flange (17) so that the bristles (19) are spaced from the central core (8), wherein the or each flange extends radially outwardly from the central core to a distance more than the diameter of the central core (8).
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公开(公告)号：EP0942785A1
公开(公告)日：1999-09-22
申请号：EP97945951.0
申请日：1997-11-27
申请人： NOTETRY LIMITED
CPC分类号： A47L9/165 , A47L9/1608 , B01D45/14 , B04C9/00 , B04C2009/005 , Y10S55/03
摘要： The invention provides apparatus for separating particles from a fluid flow having a cyclonic separator (10) and a fan (12) for causing the fluid to flow through the cyclonic separator (10), the cyclonic separator (10) having an inlet (16) and an interior wall having a frusto-conical portion (18) tapering away from the inlet (16), wherein the fan (12) is positioned in the inlet (16) to the cyclonic separator (10) such that fluid passing through the fan (12) is accelerated towards the interior wall (18) and thereby given sufficient tangential velocity to cause cyclonic separation of particles from the fluid flow within the cyclonic separator (10).
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公开(公告)号：EP0778745A1
公开(公告)日：1997-06-18
申请号：EP95901539.0
申请日：1994-11-24
申请人： NOTETRY LIMITED
发明人： DYSON, James
IPC分类号： A47L5
CPC分类号： A47L5/367
摘要： Portable cleaning apparatus (10) comprises a body (12) having a lower surface (16) and first and second support means (18a, 18b) located at or adjacent opposing sides of the lower surface (16). Between the first and second support means (18a, 18b), the lower surface (16) has an upwardly extending recess (30) for accommodating a stair tread. This provides portable cleaning apparatus, e.g. a vacuum cleaner, which can be positioned in a stable manner on stairs.
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公开(公告)号：EP0636338A3
公开(公告)日：1995-05-17
申请号：EP94117238.9
申请日：1991-12-03
申请人： NOTETRY LIMITED
发明人： Dyson, James
IPC分类号： A47L9/16
摘要： A shroud for use in a dual inner and outer cyclonic vacuum cleaner (10) is described. The shroud has a cylindrical section (50c, 132) adjacent an inner surface 15b, 111b) of a cyclonic container (15,111) and preferably comprises a combined shroud disc unit (50). The combined shroud and disc unit fits on the outside surface (20c) of the inner cyclone (20) and aids in removal of first and fibrous matter from the airflow in the outer cyclone (15). Improved airflow between the outer cyclone (15) and inner cyclone (20) is achieved because of the shroud and disc unit (50).
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公开(公告)号：EP0134654A1
公开(公告)日：1985-03-20
申请号：EP84304648.3
申请日：1984-07-06
申请人： NOTETRY LIMITED
发明人： Dyson, James
CPC分类号： A47L5/32 , A47L9/1633
摘要： A vacuum suction cleaning appliance has a casing (1) which accommodates one or more cyclone units, a motor driven fan unit for generating air-flow from a dirty air inlet tract (11) through said cyclone unit(s), a ground engaging cleaning head (2 and 4) rotatably mounted in the casing (1), a pipe (6, 44 and 45) connectable to a suction tool, and an air-flow control device. The air-flow control device and the motor driven fan unit are located within the lower end (7) of the casing (1). The air-flow control device is adapted to selectively direct dirt laden air into the dirty air inlet tract (11), from either the ground engaging cleaning head (2 and 4) or the suction tool via the pipe (6, 44 and 45), said air-flow control device being operated by rotation of the cleaning head (2 and 4) relative to the casing (1).
摘要翻译： 真空抽吸清洁装置具有容纳一个或多个旋风单元的壳体（1），用于从污浊空气入口管道（11）产生通过所述旋风单元的空气流动的电机驱动风扇单元，地面接合清洁 可旋转地安装在壳体（1）中的头部（2和4），可连接到抽吸工具的管（6,44和45）以及气流控制装置。 气流控制装置和电机驱动风扇单元位于壳体（1）的下端（7）内。 该气流控制装置适于从地面接合清洁头（2和4）或抽吸工具经由管道（6,44和45）选择性地引导脏污空气进入脏空气入口管道（11） 所述气流控制装置通过清洁头（2和4）相对于壳体（1）的旋转而被操作。
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公开(公告)号：EP1098586B1
公开(公告)日：2003-04-23
申请号：EP99934871.7
申请日：1999-07-16
申请人： NOTETRY LIMITED
IPC分类号： A47L9/16
CPC分类号： A47L9/1633 , A47L9/1683 , B01D45/08 , B04C5/08 , B04C5/103 , B04C5/26 , Y10S55/03
摘要： The invention provides apparatus for separating dirt or dust from an airflow, comprising a collector (32) having an outer wall (32a) forming an air-rotational surface, an inner wall (34a), an airflow inlet for introducing the airflow substantially tangentially to the outer wall (32a), an airflow outlet for removing air from the collector (32), and at least one fin or baffle (30) positioned within the collector (32), characterised in that the or each fin or baffle (30) is located on the inner wall (34a) of the collector (32) and projects outwardly therefrom. The presence of the fins or baffles (30) on the inner wall (34a) discourages re-entrainment of dirt and dust particles remaining within the separation apparatus after the airflow therethrough has been discontinued.
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