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1. 发明授权

US5891334A Filter cartridge retaining assembly 失效
标题翻译：滤芯保持组件
公开(公告)号：US5891334A
公开(公告)日：1999-04-06
申请号：US878664
申请日：1997-06-19
申请人： Robert R. Gundrum , Michael D. Steinhardt , Robert G. Schumacher, II
发明人： Robert R. Gundrum , Michael D. Steinhardt , Robert G. Schumacher, II
IPC分类号： B01D65/00 , B01D35/30
CPC分类号： B01D65/00
摘要： A retaining ring assembly for a reverse osmosis filter cartridge includes a removable retaining ring inserted into the cartridge housing after insertion of the cartridge, the retaining ring including a demountable locking connection with the housing. When the housing is subsequently removed to replace the cartridge, the retaining ring forces the cartridge from its tightly sealed connection to the end cap or header, allowing the cartridge to be easily removed with the housing. Preferably, the housing includes a special brine ring adapted to cooperate with a conventional cartridge brine seal, the brine ring providing connection for the retaining ring and defining with the housing a brine flow passage.
摘要翻译：用于反渗透过滤器滤芯的保持环组件包括在插入盒之后插入到盒壳体中的可拆卸的保持环，该保持环包括与壳体的可拆卸的锁定连接。当壳体随后被移除以更换墨盒时，保持环迫使墨盒与其端盖或头部紧密密封的连接，从而允许墨盒容易地与壳体一起移除。优选地，壳体包括适于与常规墨盒盐水密封件配合的特殊盐水环，所述盐水环为保持环提供连接并且与壳体一起限定盐水流动通道。

2. 发明授权

US5510031A Faucet assembly with replaceable filter 失效
标题翻译：水龙头组件可更换过滤器
公开(公告)号：US5510031A
公开(公告)日：1996-04-23
申请号：US305485
申请日：1994-09-13
申请人： Edmund R. Knauf, Jr. , Robert G. Schumacher, II
发明人： Edmund R. Knauf, Jr. , Robert G. Schumacher, II
IPC分类号： B01D29/11 , B01D35/04 , B01J47/02 , E03C1/04 , B01D27/08 , B01D27/10
CPC分类号： E03C1/04 , B01D29/114 , B01D35/043 , B01J47/024 , B01D2201/165 , E03C2201/40
摘要： A water faucet apparatus for use with a sink or countertop faucet assembly includes a replaceable filter cartridge which is mounted in a cartridge housing formed as an integral part of the main body of the faucet assembly and positioned directly below the faucet spout below the level of the sink or countertop. The base to which the faucet spout is attached is easily removable to access the filter element inside the housing for replacement.
摘要翻译：用于水槽或台面龙头组件的水龙头装置包括可更换的过滤器滤芯，其安装在盒壳体中，所述盒壳体形成为水龙头组件的主体的整体部分，并且定位在水龙头喷嘴下方的水平面下方水槽或台面。水龙头喷嘴连接的基座很容易拆卸，以便进入外壳内的过滤元件进行更换。

3. 发明授权

US4731183A Filter with valve-in-head construction 失效
标题翻译：过滤器带阀头结构
公开(公告)号：US4731183A
公开(公告)日：1988-03-15
申请号：US7324
申请日：1987-01-27
申请人： Robert G. Schumacher, II
发明人： Robert G. Schumacher, II
IPC分类号： B01D35/153 , B01D29/42 , B01D35/30
CPC分类号： B01D35/153 , B01D2201/302
摘要： A valve-in-head filter includes an outer housing (2) adapted to receive a fluid filter cartridge (4) therein. A valve head (7) is provided which includes an annular stand pipe (22) for locating an end of the filter. The stand pipe is cut away (32) on its downstream side to reduce fluid back pressure. Furthermore, a passage (13) is disposed between the head inlet (11) and outlet (12), with the passage receiving a slidable plunger (23) therein. A manually actuatable handle (28) connects through a rotary actuator (29) to move the plunger. The actuator includes a stem (30) mounted eccentrically to the handle axis, with the stem received in a recess (31) in the plunger so that turning of the handle moves the plunger between "on" and "off" positions. The plunger includes a seal (26) which continuously engages the passage wall in all plunger positions, and the construction provides full "on" and "off", with no fluid bypass in the "off" position.
摘要翻译：阀门内过滤器包括适于在其中容纳流体过滤器滤芯（4）的外壳体（2）。提供一种阀头（7），其包括用于定位过滤器端部的环形立管（22）。立管在其下游侧被切掉（32）以减少流体背压。此外，通道（13）设置在头部入口（11）和出口（12）之间，通道内容纳有可滑动的柱塞（23）。手动致动手柄（28）通过旋转致动器（29）连接以移动柱塞。致动器包括一个偏心地安装在把手轴线上的杆（30），其中柄部容纳在柱塞中的一个凹槽（31）中，从而把手的转动使柱塞在“开”和“关”位置之间移动。柱塞包括在所有柱塞位置上连续地接合通道壁的密封件（26），并且该结构提供完全“开启”和“关闭”，在“关闭”位置中没有流体旁路。

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