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71. 发明申请

WO0195778A3 LEVEL INDICATOR FOR INDICATING THE FILLING LEVEL OF A FILTER BAG AND METHOD FOR OPERATING A VACUUM CLEANER 审中-公开
标题翻译： LEVEL指示剂的过滤袋和方法用于操作真空吸尘器水平
公开(公告)号：WO0195778A3
公开(公告)日：2002-06-20
申请号：PCT/EP0106507
申请日：2001-06-08
申请人： VORWERK CO INTERHOLDING
发明人： ARNOLD HANS-PETER , HOFFMANN THOMAS
IPC分类号： A47L9/19 , A47L9/28 , G01F23/16 , A47L9/14
CPC分类号： A47L9/2857 , A47L9/19 , A47L9/2842 , G01F23/164
摘要： The invention relates to a level indicator (1) for indicating the filling level of a filter bag of a vacuum cleaner. Said level indicator comprises a indicator piston (3) which is displaced by the pressure difference on the filter bag. Said indicator piston (3) is configured as a membrane piston (4) with a rollable soft membrane (5) and with a piston skirt (7) that is pretensioned in a rest position of the indicator piston (3). In order to achieve an as accurate measuring as possible, the piston skirt (7) is mounted in such a way that it can tilt and the membrane (5) maintains the indicator piston (3) in a centered position.
摘要翻译：本发明涉及一种电平指示器（1）的过滤器袋的在真空吸尘器中的填充水平指示器活塞（3），其中，所述指示器活塞（3）是通过在过滤袋的压力差，可动，其特征在于进一步指示器活塞（3），其为隔膜活塞（4）与可卷曲的软膜片（5）被形成并且被偏压到指示器活塞（3）的静止位置的活塞轴（7）。为了实现测量的尽可能高的精度，本发明提出的是，活塞轴（7）被可倾斜地安装，并且所述膜片（5）为中心的指示器活塞（3）。

72. 发明申请

WO02003845A1 IMPROVED AIR/PARTICLE SEPARATOR 审中-公开
标题翻译：改进的空气/颗粒分离器
公开(公告)号：WO02003845A1
公开(公告)日：2002-01-17
申请号：PCT/GB2001/002993
申请日：2001-07-05
IPC分类号： A47L9/16 , A47L9/19 , B01D45/12 , B01D45/14 , B01D45/16 , B04C3/00 , B04C3/04 , B04C5/103 , B04C5/13 , B04C5/15 , B04C5/185 , B04C5/26 , B04C5/30 , B04C7/00 , B04C11/00
CPC分类号： A47L9/1625 , A47L9/1608 , A47L9/165 , A47L9/1658 , A47L9/19 , B01D45/12 , B01D45/14 , B01D45/16 , B04C3/00 , B04C3/04 , B04C5/103 , B04C5/13 , B04C5/15 , B04C5/185 , B04C5/26 , B04C5/30 , B04C7/00 , B04C11/00 , Y10S55/03
摘要： A method of separating particles from particle laden air is described. The apparatus employed is a multiple stage separator in which the first stage comprises a generally cylindrical chamber (18) having a hollow central member (50) extending axially from one end thereof with openings (53) in its wall remote from the said one end. The first separation step is achieved by introducing air tangentially into the chamber (18) near its said one end, the tangential entry in combination with an unapertured region of the wall of the central member (50) establishing a rotating mass of air in the chamber, thereby causing heavier than air particles to migrate to the outer regions of the chamber (18) under centrifugal force. Suction is applied to the interior of the central member (50) to cause an axial movement of air through the chamber before it can exit through the openings (53) in the wall of the central member (50). The suction force is selected such that particles near the walls of the chamber tend to continue in a generally rotational and axially progressive path into a particle collecting regions of the chamber (26), while relatively particle-free air is drawn radially inwardly, as it progresses axially, so as to exit to a second separation stage, through the openings in the central member wall.
摘要翻译：描述了从载有颗粒的空气中分离颗粒的方法。所使用的装置是多级分离器，其中第一级包括大致圆柱形的腔室（18），其具有中空的中心构件（50），该空心中心构件（50）在其远离所述一端的壁中从其一端轴向延伸开口（53）。第一分离步骤通过将空气切向地引入到其所述一端附近的腔室（18）中来实现，该切向入口与中心构件（50）的壁的未孔的区域结合，在室中建立旋转的空气质量从而在离心力作用下使空气颗粒比空气颗粒更重的迁移到室（18）的外部区域。吸入被施加到中心构件（50）的内部，以使空气在其可以通过中心构件（50）的壁中的开口（53）排出之前通过室的轴向移动。抽吸力被选择为使得靠近室的壁的颗粒倾向于以大致旋转和轴向延伸的路径继续进入室（26）的颗粒收集区域，而相对无颗粒的空气被径向向内拉，因为它轴向前进，以便通过中心构件壁中的开口离开到第二分离台。

73. 发明申请

WO01095778A2 LEVEL INDICATOR FOR INDICATING THE FILLING LEVEL OF A FILTER BAG AND METHOD FOR OPERATING A VACUUM CLEANER 审中-公开
标题翻译： LEVEL指示剂的过滤袋和方法用于操作真空吸尘器水平
公开(公告)号：WO01095778A2
公开(公告)日：2001-12-20
申请号：PCT/EP2001/006507
申请日：2001-06-08
IPC分类号： A47L9/19 , A47L9/28 , G01F23/16 , A47L9/00
CPC分类号： A47L9/2857 , A47L9/19 , A47L9/2842 , G01F23/164
摘要： The invention relates to a level indicator (1) for indicating the filling level of a filter bag of a vacuum cleaner. Said level indicator comprises a indicator piston (3) which is displaced by the pressure difference on the filter bag. Said indicator piston (3) is configured as a membrane piston (4) with a rollable soft membrane (5) and with a piston skirt (7) that is pretensioned in a rest position of the indicator piston (3). In order to achieve an as accurate measuring as possible, the piston skirt (7) is mounted in such a way that it can tilt and the membrane (5) maintains the indicator piston (3) in a centered position.
摘要翻译：本发明涉及一种电平指示器（1）的过滤器袋的在真空吸尘器中的填充水平指示器活塞（3），其中，所述指示器活塞（3）是通过在过滤袋的压力差，可动，其特征在于进一步指示器活塞（3），其为隔膜活塞（4）与可卷曲的软膜片（5）被形成并且被偏压到指示器活塞（3）的静止位置的活塞轴（7）。为了实现测量的尽可能高的精度，本发明提出的是，活塞轴（7）被可倾斜地安装，并且所述膜片（5）为中心的指示器活塞（3）。

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