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1. 发明申请

WO1996029156A1 SCREENING SYSTEM 审中-公开
标题翻译：筛选系统
公开(公告)号：WO1996029156A1
公开(公告)日：1996-09-26
申请号：PCT/US1995003548
申请日：1995-03-21
申请人： SWECO, INCORPORATED
发明人： SWECO, INCORPORATED , HUKKI, Ari, Michael , SENAPATI, Nagabhusan , CARR, Brian, S.
IPC分类号： B07B01/42
CPC分类号： B07B1/46 , B07B1/06 , B07B1/42
摘要： A screening system having a resiliently mounted housing (100) with a screen (106) extending thereacross. The housing is vibrated by a low frequency vibratory drive using eccentric weights. About the peripheral frame of the screen, a high frequency drive or drives (146) is employed to vibrate the screen in the range of 20,000 Hz. The high frequency vibration is generated at the peripheral frame about the screen. The screen may be constructed to be responsive to the high frequency vibrations in a platelike manner rather than as a membrane. With the high frequency drives (146) mounted within the housing, a structure made of a plate extends from a mounting flange inwardly to a thin-walled plate (120) supporting the screen (106) and the high frequency drives (146) and inwardly to a collecting system including a trough (152) and a central dome (150). The center of the dome may be fixed to the screen and include a high frequency drive (146).
摘要翻译：一种具有弹性安装的壳体（100）的筛选系统，其具有在其上延伸的筛网（106）。通过使用偏心重物的低频振动驱动振动壳体。关于屏幕的外围框架，使用高频驱动器（146）来振动屏幕在20,000Hz的范围内。在围绕屏幕的周边框架处产生高频振动。屏幕可以被构造成以板状方式而不是膜来响应高频振动。通过安装在壳体内的高频驱动器（146），由板制成的结构从安装凸缘向内延伸到支撑屏幕（106）和高频驱动器（146）的薄壁板（120）并且向内涉及包括槽（152）和中心圆顶（150）的收集系统。圆顶的中心可以固定在屏幕上并且包括高频驱动器（146）。

2. 发明申请

WO1993022026A1 SIFTER AND METHOD OF SIFTING 审中-公开
标题翻译：变速器和摆动方式
公开(公告)号：WO1993022026A1
公开(公告)日：1993-11-11
申请号：PCT/US1993003373
申请日：1993-04-09
申请人： SWECO, INCORPORATED
发明人： SWECO, INCORPORATED , BOWEN, Charles, Thomas , JANSSENS, Eduard, Xavier, Josef
IPC分类号： B01D33/03
CPC分类号： B07B7/06 , B07B1/46 , B07B11/06
摘要： A sifter having a resiliently mounted housing with horizontal vibrated screens. Airborne material to be sifted is introduced between the screens where it is deflected by a deflector and a breaker ring to distribute material both upwardly and downwardly to the screens. An external passage from above the upper screen conveys air and material to a discharge pipe below the lower screen and below a bottom pan which feeds into the distribution pipe. An extended passage for discharging oversize material from between the screens is open along its length to the lower screen. A weir at the inlet of the extended passage has a thin slit below and a larger hole above to allow material under certain conditions to flow into the outlet passage.

3. 发明申请

WO1993019859A1 VIBRATORY SCREEN SEPARATOR 审中-公开
标题翻译：振动筛分离器
公开(公告)号：WO1993019859A1
公开(公告)日：1993-10-14
申请号：PCT/US1993002093
申请日：1993-03-08
申请人： SWECO, INCORPORATED
发明人： SWECO, INCORPORATED , NORRIS, Timothy, Lane , PATERSON, Scott, Reese , LANTZ, Daniel, J.
IPC分类号： B07B01/42
CPC分类号： B07B1/42
摘要： A vibratory screen separator having a base (10), resilient mountings (16) and a separator frame (24). Screens (42) are fixed in the separator frame (24). Rotary eccentric vibrators (56, 58) are positioned on each side of the frame (24) at the center of mass and inclined both in the direction of motion of the material and tilted normal to the direction of motion of the material in opposite directions to define uni-directional elliptical vibratory motion in the frame (24).

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