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1. 发明授权

US4971337A Mechanical seal assembly 失效
标题翻译：机械密封组件
公开(公告)号：US4971337A
公开(公告)日：1990-11-20
申请号：US416847
申请日：1989-10-04
申请人： Larry A. Hufford
发明人： Larry A. Hufford
IPC分类号： F16J15/34
CPC分类号： F16J15/3464
摘要： An improved mechanical seal using hard non-weldable seal rings in which the seal ring is supported by a seal ring flange and in which a GRAFOIL gasket is positioned in an annular recess between the seal ring and the flange; the seal ring being held in the flange by means of a retainer ring welded to the flange, thereby avoiding the use of interference fits and/or lap fits between the flange and the seal ring.
摘要翻译：使用硬的不可焊接密封环改进的机械密封，其中密封环由密封环凸缘支撑，并且其中GRAFOIL垫圈位于密封环和凸缘之间的环形凹部中; 密封环通过焊接到凸缘的保持环保持在凸缘中，从而避免了在凸缘和密封环之间使用过盈配合和/或搭接配合。

2. 发明授权

US5445494A Multi-stage centrifugal pump with canned magnetic bearing 失效
标题翻译：带静磁轴承的多级离心泵
公开(公告)号：US5445494A
公开(公告)日：1995-08-29
申请号：US148951
申请日：1993-11-08
申请人： Lloyd D. Hanson
发明人： Lloyd D. Hanson
IPC分类号： F04D29/046 , F04D1/06 , F04D1/08 , F04D29/04 , F04D29/048 , F01D3/00
CPC分类号： F04D29/048 , F04D1/06 , F04D29/041 , F05B2240/51 , F05B2240/52
摘要： A multistage centrifugal pump for increasing the pressure of a product fluid passing through it. The pump includes a casing, an impeller shaft mounted for rotation within the casing and a plurality of impellers mounted back-to-back on the impeller shaft. A canned magnetic radial bearing is mounted around the outboard end of the impeller shaft and a magnetic thrust bearing and a magnetic radial bearing are mounted around the drive end of the impeller shaft. The pump is free of any product fluid return line connecting the product fluid chambers at the drive and outboard ends of the shaft.
摘要翻译：一种用于增加通过它的产品流体的压力的多级离心泵。泵包括壳体，安装用于在壳体内旋转的叶轮轴和背靠背安装在叶轮轴上的多个叶轮。安装在叶轮轴的外侧的罐式磁性径向轴承，在叶轮轴的驱动端周围安装有磁性推力轴承和磁性径向轴承。泵没有任何产品流体回流管路连接轴的驱动和外侧端的产品流体室。

3. 发明授权

US4964646A Fluid handling apparatus with shaft sleeve and extension 失效
标题翻译：流体处理设备带轴套和延伸
公开(公告)号：US4964646A
公开(公告)日：1990-10-23
申请号：US328675
申请日：1989-03-27
申请人： Clark S. Boster
发明人： Clark S. Boster
IPC分类号： F16D1/05 , F04D13/02 , F04D29/12 , F16D1/091 , F16D1/092 , F16D1/094 , F16J15/00 , F16J15/34
CPC分类号： F16J15/3404 , F04D13/021 , F04D29/126 , F16D1/092 , F16D1/094 , F16J15/004 , F05B2260/603 , Y10S415/901 , Y10T403/50 , Y10T403/66
摘要： In a fluid handling appartus comprising a multi-stage mechanical seal assembly, an additional mechanical seal assembly to maintain a substantially constant exit pressure of leakage from the last stage of the multi-stage mechanical seal assembly, and a novel driving arrangement between the motor and the fluid machine.

4. 发明授权

US4932836A Pump with heat exchanger 失效
标题翻译：带热交换器的泵
公开(公告)号：US4932836A
公开(公告)日：1990-06-12
申请号：US352954
申请日：1989-05-11
申请人： Clark S. Boster
发明人： Clark S. Boster
IPC分类号： F04D29/12 , F04D29/58 , F16J15/16
CPC分类号： F16J15/162 , F04D29/128 , F04D29/588
摘要： A pump having a heat exchanger including a rotating baffle sleeve secured to the pump shaft. A seal baffle on the rotating baffle sleeve extends over the pump seal assembly cartridge. A cooling cylinder containing circulating component cooling water is suspended within the rotating baffle sleeve and defines a flow passageway therein for cooling heated product water, before the product water contacts the shaft seal. A seal injector distributor ring uniformly distributes seal injection water to the seal. A thermal shield in the heat exchanger reduces thermal stresses in the heat exchanger. A slotted or grooved keyway spacer ring facilitates replacement and alignment of a hydrostatic bearing.
摘要翻译：一种具有热交换器的泵，其包括固定到泵轴的旋转挡板套筒。旋转挡板套上的密封挡板延伸到泵密封组件盒上。含有循环部件的冷却水的冷却气筒悬挂在旋转的挡板套筒内，并在产品水接触轴封之前，在其中限定一个用于冷却加热的产品水的流动通道。密封注射器分配器环将密封注射水均匀分配到密封件。热交换器中的热屏蔽减少热交换器中的热应力。开槽或带槽的键槽间隔环有助于液压轴承的更换和对准。

5. 发明授权

US5820106A Guided gate valve 失效
公开(公告)号：US5820106A
公开(公告)日：1998-10-13
申请号：US908905
申请日：1997-08-08
申请人： David A. Wurangian
发明人： David A. Wurangian
IPC分类号： F16K3/18 , F16K3/316 , F16K3/00
CPC分类号： F16K3/18 , F16K3/316
摘要： A guided gate valve having a valve body with an interior surface defining a passage having an upstream opening an downstream opening. Upstream and downstream valve seats are mounted within the passage. A guide rail is mounted to the valve body between the valve seats to guide a pair of gates between an open position and a closed position.

6. 发明授权

US5716054A Diametric plane split mechanical face seal 失效
标题翻译：直径平面分割机械面密封
公开(公告)号：US5716054A
公开(公告)日：1998-02-10
申请号：US745412
申请日：1996-11-25
申请人： Henry S. Duffee , Denise M. Ard
发明人： Henry S. Duffee , Denise M. Ard
IPC分类号： F16J15/34 , F16J15/38
CPC分类号： F16J15/3476 , F16J15/3488
摘要： A shaft seal of the mechanical face seal type split along a diametric plane thereof and which therefore can be installed relative to a shaft without disassembly of attendant equipment. The stationary and rotating components of the seal each may have the half elements thereof assembled in corresponding half elements of an attendant split annular holder and the holder half elements then may be engaged about the attendant shaft and be secured together. Thereafter, the assembled holders may be relatively axially shifted along the shaft toward engagement with each other and mounted in operative association with each other within a diametrically split gland housing, all of which relative assembly of the split stationary and rotating seal components in the corresponding split holder, assembly of the holders about the shaft and assembly of the assembled holders within the gland housing halves may be carried out by a single person, even within a crowded work area.
摘要翻译：机械面密封件的轴封沿其直径平面分开，因此可以相对于轴安装而不拆卸附属设备。密封件的固定和旋转部件各自可以将其半部件组装在伴随的分离环形保持器的对应的半部件中，然后保持器半部件可以围绕附带的轴接合并固定在一起。此后，组装的保持器可以沿着轴相对轴向移动，以彼此接合并且在径向分离的压盖壳体内彼此可操作地相关联地安装，所有这些夹紧壳体中的分离的静止和旋转的密封部件的相对组装在相应的分裂保持器，围绕轴的组件和组装的保持器在压盖壳体半部内的组装可以由单个人执行，甚至在拥挤的工作区域内。

7. 发明授权

US5556110A Shroud enclosure for brittle mechanical face materials 失效
标题翻译：护罩外壳用于脆性机械面材料
公开(公告)号：US5556110A
公开(公告)日：1996-09-17
申请号：US272998
申请日：1994-07-14
申请人： Joseph A. Marsi , Milton E. Cook
发明人： Joseph A. Marsi , Milton E. Cook
IPC分类号： F16J15/34
CPC分类号： F16J15/3464
摘要： A mechanical seal assembly having a rotatable seal ring connected to the shaft and a non-rotatable seal ring connected to the housing. A cylindrical drive ring encircles the rotatable seal ring and an annular shroud is mounted to the cylindrical drive ring and extends from it terminating in an annular lip that is disposed in contacting relationship with the rotatable seal ring adjacent the seal face of the rotatable seal ring. The shroud may be provided with a plurality of circumferentially spaced slots. A connection is provided for moving the end of the shroud toward the non-rotatable seal ring when the shaft moves toward the non-rotatable seal ring.
摘要翻译：机械密封组件，其具有连接到轴的可旋转密封环和连接到壳体的不可转动的密封环。圆柱形驱动环环绕可旋转密封环，并且环形护罩安装到圆柱形驱动环上并从其延伸，终止于环形唇缘，该环形唇缘与可旋转密封环的密封面附近的可旋转密封环设置成接触关系。护罩可以设置有多个周向间隔开的槽。提供了一种连接，用于当轴朝向不可旋转的密封环移动时，将护罩的端部朝着不可旋转的密封环移动。

8. 发明授权

US5076589A Mechanical seal 失效
标题翻译：机械密封
公开(公告)号：US5076589A
公开(公告)日：1991-12-31
申请号：US488238
申请日：1990-03-01
申请人： Joseph A. Marsi
发明人： Joseph A. Marsi
IPC分类号： F16J15/00 , F16J15/34 , F16J15/38
CPC分类号： F16J15/3404 , F16J15/006 , F16J15/38 , Y10S277/927 , Y10S277/928
摘要： An improved mechanical seal assembly for separating high pressure fluid from lower pressure fluid including a vented Quad-ring in a non-rotatable seal ring for providing lower sliding friction and improved, more consistent pressure deflection of the non-rotating seal face, an improved means for positioning a pressure breakdown means located in the high pressure fluid for controlling the pressure differential between the high pressure fluid and the low pressure fluid by a predetermined amount and means for improving the circulation of clean fluid around the outer periphery of the seal assembly under conditions where the fluid being pumped is contaminated.

9. 发明授权

US4997341A Reduction of transient thermal stresses in machine components 失效
标题翻译：减少机器部件中的瞬态热应力
公开(公告)号：US4997341A
公开(公告)日：1991-03-05
申请号：US394116
申请日：1989-08-15
申请人： Jerzy A. Lorett
发明人： Jerzy A. Lorett
IPC分类号： F04D29/04 , F04D29/043 , F04D29/12 , F04D29/58
CPC分类号： F04D29/043 , F04D29/128 , F04D29/5893
摘要： A method of treating a surface of a machine element to permit the outer layers thereof to freely expand when repeatedly subjected to sudden temperature variations without thermal stressing the inner layers thereof.

10. 发明授权

US4775293A Pump with heat exchanger 失效
标题翻译：带热交换器的泵
公开(公告)号：US4775293A
公开(公告)日：1988-10-04
申请号：US26767
申请日：1987-03-17
申请人： Clark Boster
发明人： Clark Boster
IPC分类号： F04D29/58 , F16J15/16 , F01D5/08 , F02F11/00
CPC分类号： F04D29/5866 , F16J15/162 , Y10S277/93
摘要： A pump having a heat exchanger including a rotating baffle sleeve secured to the pump shaft. A seal baffle on the rotating baffle sleeve extends over the pump seal assembly cartridge. A cooling cylinder containing circulating component cooling water is suspended within the rotating baffle sleeve and defines a flow passageway therein for cooling heated product water, before the product water contacts the shaft seal. A seal injector distributor ring uniformly distributes seal injection water to the seal. A thermal shield in the heat exchanger reduces thermal stresses in the heat exchanger. A slotted keyway spacer ring facilitates replacement and alignment of a hydrostatic bearing.

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