公开(公告)号：US10215546B2

公开(公告)日：2019-02-26

申请号：US15601212

申请日：2017-05-22

Applicant: Roper Pump Company

Inventor： Tyson Bentley Anderson ,  Loyd Dache Smith ,  Zachariah Paul Rivard ,  Edmond Tate Coghlan

IPC: G01B3/14

Abstract: A comparator tool is provided for evaluating the profile of a multi-lobe helical rotor. The comparator tool includes a housing with a first end and a second end and an internal bore extending from the first end to the second end. The internal bore includes a first diameter having nominal clearance for an original equipment manufacturer (OEM)-specified major diameter of the rotor, a second diameter having nominal clearance for an OEM-specified minor diameter of the rotor, and multiple helical grooves corresponding to a number of lobes in the helical rotor. Each of the multiple helical grooves has nominal clearance for an OEM-specified tip diameter of the rotor. The comparator tool slides along the length of the rotor and provides visibility of an interface between a circumference of the rotor and the first end at any place along a length of the rotor.

公开(公告)号：US20140271300A1

公开(公告)日：2014-09-18

申请号：US14204282

申请日：2014-03-11

Applicant: Roper Pump Company

Inventor： John Eugene Purcell

IPC: F16H13/06 ,  F04C2/107

CPC classification number: F16H13/06 ,  F04C2/1071 ,  F04C15/0065 ,  Y10T29/49826

Abstract: A progressing cavity pump has a rotor that moves in an eccentric motion, and is driven by a drive shaft that rotates about a fixed axis. Various means have been used to connect the two; mostly using an intermediate shaft called a connecting rod that has a universal joint at either end. This device replaces that with two parallel plates; one with several pins protruding from it, and the other with the same number of holes in it. The holes are sized to allow the eccentric motion of the rotor. There is also a ball between the two plates to transmit loads between the plates.

Abstract translation: 进气腔泵具有以偏心运动运动的转子，并且由围绕固定轴线旋转的驱动轴驱动。 已经采用各种手段来连接两者; 主要使用称为连杆的中间轴，其在任一端具有万向接头。 该设备用两个平行板代替; 一个具有从其突出的多个销，另一个具有相同数量的孔。 这些孔的大小适于允许转子的偏心运动。 在两个板之间还有一个球，以在板之间传递载荷。

公开(公告)号：US20240247655A1

公开(公告)日：2024-07-25

申请号：US18410029

申请日：2024-01-11

Applicant: Roper Pump Company LLC

Inventor： Trevor Mark Brasselle ,  Cody Richard Reynolds

IPC: F04C2/107 ,  F04C27/00

CPC classification number: F04C2/1075 ,  F04C27/00 ,  F04C2230/604 ,  F04C2240/10

Abstract: A stator is provided for a progressive cavity device. The stator includes modular stator segments connected together. Each stator segment includes a front surface, a rear surface, and an internal helical cavity extending longitudinally from the front surface to the rear surface. Each stator segment also includes a set of bolt holes extending longitudinally from the front surface to the rear surface, and a set of connection holes opening at the front surface and extending at least partially longitudinally from the front surface to the rear surface. Bolts, inserted through the bolt holes into connection holes of an adjacent stator segment, connect the stator segments and align the internal helical cavities to form a continuous helical chamber.

公开(公告)号：US11655815B2

公开(公告)日：2023-05-23

申请号：US17120803

申请日：2020-12-14

Applicant: Roper Pump Company

Inventor： Trevor Mark Brasselle ,  Brian Lee Gerdes ,  Gregory Richard Ferguson ,  Cody Richard Reynolds

IPC: F01C21/10 ,  F04C2/107 ,  F01C1/10

CPC classification number: F04C2/1075 ,  F01C21/104 ,  F01C1/101 ,  F04C2240/10 ,  F04C2240/20 ,  F04C2240/70

Abstract: A semi-rigid stator is provided for a helical gear device. The stator includes a stack of rigid rings, a deformable layer, and a rigid housing. Each of the rigid rings has a central opening and an exterior surface. The rigid rings are aligned along a common centerline and rotated slightly relative to each other such that the stack of rigid rings forms a helically convoluted chamber. Each of the rigid rings is secured within the rigid stator housing by the deformable layer disposed between the exterior surface of each of the rigid rings and the rigid housing. The deformable layer bonds the rigid rings together as the ring stack and permits movement of the rigid rings relative to each other.

公开(公告)号：US20200284262A1

公开(公告)日：2020-09-10

申请号：US16881753

申请日：2020-05-22

Applicant: Roper Pump Company

Inventor： Edmond Tate Coghlan

IPC: F04D7/04 ,  F04D29/22 ,  F01C19/02 ,  F04C13/00 ,  F04C2/107

Abstract: A stator for a helical gear device includes a first section having first helically convoluted chamber with a set of radially inwardly extending lobes and a second section adjacent to the first section. The second section includes a stack of cutter disks. Each cutter disk includes a front surface, a rear surface, an interior surface defining a central opening extending from the front surface to the rear surface, a forward cutting edge, and a rearward cutting edge. The interior surface forms a same number of lobes for the central opening as the set of radially inwardly extending lobes in the first section. Each cutter disk is aligned along a common centerline, and each cutter disk is rotated slightly relative to each other to form a second helically convoluted chamber with a same pitch as the first helically convoluted chamber. The second helically convoluted chamber exposes, to materials passing through, portions of the forward cutting edge or the rearward cutting edge of each cutter disk.

公开(公告)号：US20180283376A1

公开(公告)日：2018-10-04

申请号：US15939670

申请日：2018-03-29

Applicant: Roper Pump Company

Inventor： Edmond Tate Coghlan ,  Michael Andrew Ingram ,  Zachariah Paul Rivard

IPC: F04C15/00 ,  F04C2/107 ,  F04C13/00

Abstract: A progressive cavity pump includes at least one of a jacketed stator casing and a jacketed inlet body. The jacketed stator casing includes a stator heating chamber, a stator assembly, and a rotor rotatably disposed within the stator assembly. The stator heating chamber forms a first space around the stator assembly and receives heating fluid therein. The stator assembly includes a cylindrical wall and a stator segment that forms a helically-convoluted chamber within the cylindrical wall. The jacketed inlet body includes an inlet heating chamber and a working fluid chamber in fluid communication with the helically-convoluted chamber. The inlet heating chamber forms a second space around the working fluid chamber and receives heating fluid therein. The stator heating chamber and the inlet heating chamber are isolated from each other, the helically-convoluted chamber, and the working fluid chamber.

公开(公告)号：US20180202437A1

公开(公告)日：2018-07-19

申请号：US15817961

申请日：2017-11-20

Applicant: Roper Pump Company

Inventor： William D. Flavelle ,  Michael Andrew Ingram

IPC: F04C2/344

CPC classification number: F04C2/344 ,  F01C19/005 ,  F04C2/084 ,  F04C2/18 ,  F04C15/0019 ,  F04C2240/30 ,  F04C2250/20

Abstract: A pump fluid driving apparatus includes a housing having a chamber, with two gears mounted within the chamber. The housing includes a first rounded wall section and a second rounded wall section, the first and second rounded wall sections defining at least a portion of the chamber. The gears have teeth located about their respective peripheries and operatively positioned with the teeth of the first gear and the teeth of the second gear intermeshed. The teeth include slotted teeth and solid teeth arranged with uniform spacing in a repeating pattern about the periphery of each of the gears, with each of the slotted teeth having a vane slot and a radially extending vane extending from the vane slot, and each radially extending vane being movable within the respective vane slot and being configured to contact the respective first or second rounded wall sections.

公开(公告)号：US20160348508A1

公开(公告)日：2016-12-01

申请号：US15234595

申请日：2016-08-11

Applicant: Roper Pump Company

Inventor： John Eugene Purcell ,  Tyson Bently Anderson ,  Edmond Tate Coghlan

IPC: F01C21/10 ,  F01C21/08 ,  F01C19/02 ,  F03C2/08

Abstract: A hybrid elastomer/metal on metal motor for a helical gear device includes a rotor and stator comprising a hydraulic motor that produces work when a working fluid is pumped therethrough. The improvement involves the stator being, for part of its length, a conventional or even wall stator, using an elastomer to form a seal against the moving rotor. The stator's remaining length comprises a profiled rigid surface that forms a seal directly with the moving rotor. This gives the motor the high efficiency of the elastomer sealing against the rotor, and simultaneously provides a backup of the stator' s rigid section allowing continued motor operation at reduced efficiency, if the elastomer part failed in service. The invention also includes combinations of a regular disk stack with a rubber lining, a rigid material disk stack (or unitized element) and a circular rigid sleeve which react to rotor sideloading while permitting proper rotor orbiting.

Abstract translation: 用于螺旋齿轮装置的用于金属电动机的混合弹性体/金属包括转子和定子，所述转子和定子包括当工作流体被泵送通过其中产生作业的液压马达。 改进之处在于，定子的一部分长度为常规或均匀的壁定子，使用弹性体来形成对移动转子的密封。 定子的剩余长度包括直接与移动转子形成密封件的成型刚性表面。 这为电机提供了高效率的弹性体密封抵抗转子，并且同时提供了定子刚性部分的支撑，如果弹性体部件在使用中失效，则能够以更低的效率继续电机运行。 本发明还包括具有橡胶衬里的规则盘堆叠，刚性材料盘堆叠（或组合元件）和在允许适当的转子轨道运动的同时对转子侧面加载作用的圆形刚性套筒的组合。

公开(公告)号：US09174331B1

公开(公告)日：2015-11-03

申请号：US13951751

申请日：2013-07-26

Applicant: Roper Pump Company

Inventor： John Matthew Coghlan

IPC: B25B27/06

CPC classification number: B25B27/062

Abstract: Gear pumps use various types of bushings or bearings (sleeves) between a shaft and the housing of the pump. From time to time, these sleeves wear out and have to be replaced. This extractor removes the sleeves and includes three main components—a collet or sleeve engaging member, a mounting bracket, and a lift screw. The extractor may also include other components within the scope of the invention, including melting screws and washers.

Abstract translation: 齿轮泵使用轴和泵壳体之间的各种衬套或轴承（套筒）。 这些袖子不时磨损，必须更换。 该抽出器移除套筒并且包括三个主要部件 - 夹头或套筒接合构件，安装支架和提升螺钉。 提取器还可以包括本发明范围内的其它组件，包括熔化螺钉和垫圈。

公开(公告)号：US08967985B2

公开(公告)日：2015-03-03

申请号：US13675668

申请日：2012-11-13

Applicant: Roper Pump Company

Inventor： Edmond Coghlan, III ,  Tyson Bentley Anderson ,  John Eugene Purcell ,  Zachariah Paul Rivard

IPC: F04C2/107 ,  B23P15/14

CPC classification number: F04C2/1075 ,  F04C2230/22 ,  F04C2230/23 ,  Y10T29/49242

Abstract: A stator for a helical gear device is formed from multiple rigid disks and support rings bonded to the disks. Each disk forms part of a profile consisting of radially equally spaced or opened lobes which interact with the convex portions of rotor lobes. The disks are arranged into a desired helical configuration and bonded to one another to form a disk stack defining a helically convoluted elongated chamber therein. The support rings are fixed concentrically against respective end disks of the disk stack. The rings are sized with an inside diameter substantially equal to the major diameter of the central aperture defined by the radially extending lobes of the rigid disks. As a rotor rotates and nutates inside the helically convoluted elongated chamber of the stator, it is supported at both ends of the disk stack by the support rings touching the tips of the rotor lobes. Thus the full force of the rotor's operational inertia is not borne by the disks alone, thereby increasing their life.

Abstract translation: 用于斜齿轮装置的定子由多个刚性盘和结合到盘的支撑环形成。 每个盘形成轮廓的一部分，该轮廓包括与转子叶片的凸起部分相互作用的径向等间距或开放的叶片。 盘被布置成所需的螺旋构造并且彼此结合以形成在其中限定螺旋卷积的细长室的盘叠。 支撑环与磁盘堆叠的相应的端盘同心地固定。 这些环的尺寸大小与内径基本上等于由刚性盘的径向延伸的叶片限定的中心孔的长度的直径。 当转子旋转并且在定子的螺旋卷积的细长室内旋转时，其通过接触转子叶片的尖端的支撑环被支撑在盘堆叠的两端。 因此，转子的操作惯性的全部力量不是单独由磁盘承担的，从而增加其寿命。