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公开(公告)号：US20070067899A1
公开(公告)日：2007-03-29
申请号：US11604596
申请日：2006-11-27
IPC分类号： E04H4/00
CPC分类号： E04H4/148 , A61H9/00 , E04H4/14 , F21S8/00 , F21W2121/02 , F21W2131/401 , F21Y2113/00
摘要： A laminar flow waterfall in the form of a single or multiple streams of water, each exiting from a nozzle in the top edge of a spa. The laminar water stream is created by a venturi nozzle located in a plenum chamber. The inlet side of the nozzle has a cover with a plurality of small holes forcing the water flow to enter the nozzle as laminar flow. A flow divider inside the venturi nozzle, from the inlet to the restriction of the nozzle, maintains the flow laminar through the nozzle. Light is injected into the flow divider at the inlet and is carried by the flow divider to be injected into the water flow at the restriction of the nozzle.
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公开(公告)号：US20050199289A1
公开(公告)日：2005-09-15
申请号：US10799169
申请日：2004-03-11
IPC分类号： F16K17/30
CPC分类号： F16K17/30 , G05D7/0133 , Y10T137/7839 , Y10T137/7856 , Y10T137/7869
摘要： A two-stage fluid pressure control valve has five components. An inlet socket with separate fluid flow orifices sealably engages an outlet socket which also has separate fluid flow orifices. A pressure check piston having a fluid flow orifice along its longitudinal central axis slidably engages the inlet socket and the outlet socket. A spring located along the central axis of the outlet socket biases the pressure check piston in an open position, allowing fluid to flow through all orifices. Fluid flow through the control valve may impact the pressure check piston to overcome the spring force, moving the pressure check piston to a closed position, whereby fluid flows only through the orifice in the pressure check piston.
摘要翻译： 两级流体压力控制阀具有五个部件。 具有单独的流体流动孔的入口插座可密封地接合还具有单独的流体流动孔的出口插座。 具有沿其纵向中心轴线的流体流动孔口的压力检查活塞可滑动地接合入口插座和出口插座。 沿着出口插座的中心轴线设置的弹簧将压力检查活塞偏压在打开位置，允许流体流过所有孔。 通过控制阀的流体流动可能冲击压力检查活塞以克服弹簧力，将压力检查活塞移动到关闭位置，由此流体仅流过压力检查活塞中的孔口。
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公开(公告)号：US20050155144A1
公开(公告)日：2005-07-21
申请号：US10759648
申请日：2004-01-16
CPC分类号： E04H4/148 , A61H9/00 , E04H4/14 , F21S8/00 , F21W2121/02 , F21W2131/401 , F21Y2113/00
摘要： A laminar flow waterfall in the form of a single or multiple streams of water, each exiting from a nozzle in the top edge of a spa. The laminar water stream is created by a venturi nozzle located in a plenum chamber. The inlet side of the nozzle has a cover with a plurality of small holes forcing the water flow to enter the nozzle as laminar flow. A flow divider inside the venturi nozzle, from the inlet to the restriction of the nozzle, maintains the flow laminar through the nozzle. Light is injected into the flow divider at the inlet and is carried by the flow divider to be injected into the water flow at the restriction of the nozzle.
摘要翻译： 层流瀑布形式为单一或多个水流，每个水流从水疗中心顶部的喷嘴喷出。 层流水由位于增压室中的文氏管喷嘴产生。 喷嘴的入口侧具有盖，多个小孔迫使水流作为层流进入喷嘴。 文丘里喷嘴内的分流器，从入口到喷嘴的限制，保持流过层流通过喷嘴。 灯在入口处被注入到分流器中，并且由分流器承载以在喷嘴的限制下被注入到水流中。
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