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1. 发明授权

US07011109B2 Drag ball valve 有权
公开(公告)号：US07011109B2
公开(公告)日：2006-03-14
申请号：US10122276
申请日：2002-04-12
申请人： Duc Thanh Tran , Raymond R. Newton , Paul Smirl , Roger Bey , Tina Benac
发明人： Duc Thanh Tran , Raymond R. Newton , Paul Smirl , Roger Bey , Tina Benac
IPC分类号： F16K11/087
CPC分类号： F16K5/0605 , F16K47/045 , Y10T137/86751
摘要： A valve assembly comprising a rotary closure element which defines an axis of rotation and is selectively movable between a fully open position and a fully closed position. Mounted to and movable with the rotary closure element is an impedance assembly. The impedance assembly defines an inflow end and an outflow end, and comprises a plurality of tortuous passageways which extend from the inflow end to the outflow end. Also fully or partially defined by the impedance assembly is an enlarged flow opening which extends from the inflow end to the outflow end. The tortuous passageways and the flow opening are oriented relative to each other such that a portion of a flow through the valve assembly is directed into the tortuous passageways and a portion of the flow is directed through the flow opening when the closure element is in the fully open position.

2. 发明授权

US06886596B2 Rotary drag valve 有权
公开(公告)号：US06886596B2
公开(公告)日：2005-05-03
申请号：US10282667
申请日：2002-10-29
申请人： Duc Thanh Tran
发明人： Duc Thanh Tran
IPC分类号： F16K5/06 , F16K47/04 , F16K1/06
CPC分类号： F16K47/045 , F16K5/0605 , Y10T137/86734 , Y10T137/86759
摘要： A valve assembly comprising a rotary closure element which defines an axis of rotation and is selectively movable between a fully open position and a fully closed position. Mounted to and movable with the rotary closure element is an impedance assembly. The impedance assembly defines an inflow end and an outflow end, and comprises a plurality of fluid passageways of varying noise attenuating capability which extend from the inflow end to the outflow end. Also partially defined by the impedance assembly is a flow opening which extends from the inflow end to the outflow end.

3. 发明授权

US06923210B2 Rotary drag valve 有权
标题翻译：旋转阻力阀
公开(公告)号：US06923210B2
公开(公告)日：2005-08-02
申请号：US10198970
申请日：2002-07-19
申请人： Duc Thanh Tran
发明人： Duc Thanh Tran
IPC分类号： F16K5/06 , F16K47/04 , F16K5/10
CPC分类号： F16K47/045 , F16K5/0605 , Y10T137/86734 , Y10T137/86751
摘要： A valve assembly comprising a rotary closure element which defines an axis of rotation and is selectively movable between a fully open position and a fully closed position. Mounted to and movable with the rotary closure element is an impedance assembly. The impedance assembly defines an inflow end and an outflow end, and comprises a plurality of fluid passageways which extend from the inflow end to the outflow end. Also partially defined by the impedance assembly is a flow opening which extends from the inflow end to the outflow end. The fluid passageways and the flow opening are oriented relative to each other such that a portion of a flow through the valve assembly is directed into the fluid passageways and a portion of the flow is directed through the flow opening when the closure element is in the fully open position.
摘要翻译：一种阀组件，其包括限定旋转轴线的旋转闭合元件，并且可选地在完全打开位置和完全关闭位置之间移动。安装到旋转闭合元件上并与其旋转的是阻抗组件。阻抗组件限定了流入端和流出端，并且包括从流入端延伸到流出端的多个流体通道。还由阻抗组件部分地限定的是从流入端到流出端延伸的流动开口。流体通道和流动开口相对于彼此定向，使得通过阀组件的流动的一部分被引导到流体通道中，并且当封闭元件处于完全的状态时，流体的一部分被引导通过流动开口开仓

4. 发明授权

US06913042B2 Rotary drag valve 有权
标题翻译：旋转阻力阀
公开(公告)号：US06913042B2
公开(公告)日：2005-07-05
申请号：US10437213
申请日：2003-05-13
申请人： Duc Thanh Tran
发明人： Duc Thanh Tran
IPC分类号： F16K5/06 , F16K47/04 , F16K11/22
CPC分类号： F16K47/045 , F16K5/0605 , Y10T137/86734 , Y10T137/86751
摘要： A valve assembly comprising a rotary closure element which defines an axis of rotation and is selectively movable between a fully open position and a fully closed position. Mounted to and movable with the rotary closure element is an impedance assembly. The impedance assembly defines an inflow end and an outflow end, and comprises a plurality of fluid passageways of varying noise attenuating capability which extend from the inflow end to the outflow end. Also partially defined by the impedance assembly is a flow opening which extends from the inflow end to the outflow end. A retainer bracket is disposed within the flow opening and is cooperatively engaged to both the closure element and the impedance assembly.
摘要翻译：一种阀组件，其包括限定旋转轴线的旋转闭合元件，并且可选地在完全打开位置和完全关闭位置之间移动。安装到旋转闭合元件上并与其旋转的是阻抗组件。阻抗组件限定了流入端和流出端，并且包括从流入端到流出端延伸的多个具有变化的噪声衰减能力的流体通路。还由阻抗组件部分地限定的是从流入端到流出端延伸的流动开口。保持器支架设置在流动开口内并与封闭元件和阻抗组件协同地接合。

5. 发明授权

US06868865B2 Rotary drag valve 有权
标题翻译：旋转阻力阀
公开(公告)号：US06868865B2
公开(公告)日：2005-03-22
申请号：US10410218
申请日：2003-04-09
申请人： Duc Thanh Tran
发明人： Duc Thanh Tran
IPC分类号： F16K5/06 , F16K47/04 , F16K5/08
CPC分类号： F16K47/045 , F16K5/0605 , Y10T137/86734 , Y10T137/86751
摘要： A valve assembly comprising a rotary closure element which defines an axis of rotation and is selectively movable between a fully open position and a fully closed position. Mounted to and movable with the rotary closure element is an impedance assembly. The impedance assembly defines an inflow end and an outflow end, and comprises a plurality of fluid passageways of varying noise attenuating capability which extend from the inflow end to the outflow end. Also partially defined by the impedance assembly is a flow opening which extends from the inflow end to the outflow end.
摘要翻译：一种阀组件，其包括限定旋转轴线的旋转闭合元件，并且可选地在完全打开位置和完全关闭位置之间移动。安装到旋转闭合元件上并与其旋转的是阻抗组件。阻抗组件限定了流入端和流出端，并且包括从流入端到流出端延伸的多个具有变化的噪声衰减能力的流体通路。还由阻抗组件部分地限定的是从流入端到流出端延伸的流动开口。

6. 发明授权

US06675832B1 Blowdown valve 有权
标题翻译：排污阀
公开(公告)号：US06675832B1
公开(公告)日：2004-01-13
申请号：US10431475
申请日：2003-05-07
申请人： Duc Thanh Tran , Stanley F. Miller , Stephen G. Freitas
发明人： Duc Thanh Tran , Stanley F. Miller , Stephen G. Freitas
IPC分类号： F16K4704
CPC分类号： F22B37/545 , F16K5/0605 , F16K27/067 , F16K47/045 , Y10T137/86751 , Y10T137/87917
摘要： Disclosed is a blowdown valve for a boiler system for removing fluid that contains debris. The blowdown valve comprises a housing for a shutoff valve and a reversible throttle valve. The shutoff valve is fluidly connected to a fluid inlet that, in turn, is connected to the boiler system. Each one of the shutoff and throttle valves includes a rotatable valve ball having a bore formed therethrough. Rotation of the valve ball alternately blocks and unblocks fluid flowing therethrough. The throttle valve bore includes first and second bore ends. A bore insert is disposed within the bore between first and second debris zones. The bore insert includes passages configured for reducing fluid energy. The first and second debris zones entrap debris therewithin. The throttle valve reverses positions of the first and second debris zones such that entrapped debris may be flushed out of the fluid outlet.
摘要翻译：公开了一种用于去除含有碎屑的流体的锅炉系统的排污阀。排污阀包括用于截止阀和可逆节流阀的壳体。截止阀流体地连接到流体入口，流体入口又连接到锅炉系统。关闭和节流阀中的每一个包括具有穿过其中形成的孔的可旋转阀球。阀球的旋转交替地阻挡和解除流过其中的流体。节流阀孔包括第一和第二孔端部。钻孔插入件设置在孔内的第一和第二碎屑区之间。钻孔插入件包括经配置以减少流体能量的通道。第一和第二个碎片带在其中夹带碎屑。节流阀反转第一和第二碎屑区的位置，使得夹带的碎屑可以从流体出口冲出。

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