Abstract: A motor for an electrical submersible pump includes a stator and rotor, where the rotor is made up of adjacent columns of magnets affixed onto an annular core. End rings on opposite ends of the core provide axial backstops for magnet columns. Thin coaxial sleeves are shrunk fit over the magnets and end rings and that radially compress the magnets. Apertures in a column are formed radially through the core and receive fasteners for securing a guide bar to the core. The guide bar simulates an installed column of magnets to guide placement of adjacent columns of magnets as the guide bar width is substantially the same as a column of magnets, and aperture locations are strategically positioned so that when the guide bar is secured onto the core. After the guide bar is removed the one of the columns of magnets is then adhered to the core.

Abstract: A motor for an electrical submersible pump includes a stator and rotor, where the rotor is made up of adjacent columns of magnets affixed onto an annular core. End rings on opposite ends of the core provide axial backstops for magnet columns. Thin coaxial sleeves are shrunk fit over the magnets and end rings and that radially compress the magnets. Apertures in a column are formed radially through the core and receive fasteners for securing a guide bar to the core. The guide bar simulates an installed column of magnets to guide placement of adjacent columns of magnets as the guide bar width is substantially the same as a column of magnets, and aperture locations are strategically positioned so that when the guide bar is secured onto the core. After the guide bar is removed the one of the columns of magnets is then adhered to the core.

Abstract: A multistage centrifugal pump has a rotatable shaft, a plurality of pump stages and a thrust module. Each of the plurality of pump stages has an impeller connected to the rotatable shaft and a stationary diffuser. The thrust module has a thrust runner and a unitary thrust pad. The unitary thrust pad has an axial wear face adjacent the thrust runner and a radial wear surface adjacent the rotatable shaft. The axial wear face and radial wear surface are integrated as a unitary component. The unitary thrust pad is secured to a thrust pad support with threaded fasteners that are torqued to a predetermined extent.

Abstract: A submersible pump electrical motor has a stator with a stator bore, a shaft with rotor sections in the stator bore, and a shaft bearing between rotor sections. The bearing has a bearing body having a hub and centralizing arms circumferentially spaced around the hub. Each of the arms curves and is biased against the stator bore wall. A tab on at least one of the arms engages a slot in the stator bore wall. The bearing body, the hub, and the arms are formed of a single-piece monolithic metal that undergoes elastic deflection of the arms when the bearing body is installed in the stator bore.

Abstract: Biofouling-resistant compositions, biofouling-resistant coatings, kits for making biofouling-resistant coatings, and methods of making biofouling-resistant coatings are described.

Abstract: An apparatus and method of coupling and decoupling a valve stem to an actuator are disclosed. In one embodiment, the actuator includes a moveable member that is coupled to the valve stem. One of the valve stem and the moveable member is a male coupling portion and the other of the valve stem and moveable member is the female coupling portion. The male coupling portion is nested within the female coupling portion. A retaining pin retains the male coupling portion with respect to the female coupling portion.

Abstract: A multistage centrifugal pump has a rotatable shaft, a plurality of pump stages and a thrust module. Each of the plurality of pump stages has an impeller connected to the rotatable shaft and a stationary diffuser. The thrust module has a thrust runner and a unitary thrust pad. The unitary thrust pad has an axial wear face adjacent the thrust runner and a radial wear surface adjacent the rotatable shaft. The axial wear face and radial wear surface are integrated as a unitary component. The unitary thrust pad is secured to a thrust pad support with threaded fasteners that are torqued to a predetermined extent.

Abstract: A submersible pump electrical motor has a stator with a stator bore, a shaft with rotor sections in the stator bore, and a shaft bearing between rotor sections. The bearing has a bearing body having a hub and centralizing arms circumferentially spaced around the hub. Each of the arms curves and is biased against the stator bore wall. A tab on at least one of the arms engages a slot in the stator bore wall. The bearing body, the hub, and the arms are formed of a single-piece monolithic metal that undergoes elastic deflection of the arms when the bearing body is installed in the stator bore.

Abstract: An electrical submersible well pump motor has metal-to-metal sealing for the power cable electrical connection. A conductor passage in the motor head has a conical seat. A motor contact member electrically connected with the motor is located in the conductor passage below the seat. A metal tube has a lower portion that inserts into an upper portion of the conductor passage. A metal sealing ferrule encircles the tube, and a compression nut deforms the ferrule into sealing engagement with the seat and the tube. An electrical conductor extending from the power cable protrudes downward from the tube and has a conductor contact member on a lower end. The motor contact member and the conductor contact member stab into partial engagement with each other, defining a gap between terminal surfaces of the contact members that can close up during operation due to thermal growth.

Abstract: An optically clear biofouling resistant coating compositions specially formulated for very high light transmission and more particularly coating compositions which can be applied to marine instruments and sensors. The compositions provide a biofouling resistant coating on the surface of the marine instruments and sensors which prevents underwater organisms from adhering and growing on the surfaces of the structures over a long period of time.

Abstract: An electrical submersible well pump motor has metal-to-metal sealing for the power cable electrical connection. A conductor passage in the motor head has a conical seat. A motor contact member electrically connected with the motor is located in the conductor passage below the seat. A metal tube has a lower portion that inserts into an upper portion of the conductor passage. A metal sealing ferrule encircles the tube, and a compression nut deforms the ferrule into sealing engagement with the seat and the tube. An electrical conductor extending from the power cable protrudes downward from the tube and has a conductor contact member on a lower end. The motor contact member and the conductor contact member stab into partial engagement with each other, defining a gap between terminal surfaces of the contact members that can close up during operation due to thermal growth.

Abstract: An apparatus and method of coupling and decoupling a valve stem to an actuator are disclosed. In one embodiment, the actuator includes a moveable member that is coupled to the valve stem. One of the valve stem and the moveable member is a male coupling portion and the other of the valve stem and moveable member is the female coupling portion. The male coupling portion is nested within the female coupling portion. A retaining pin retains the male coupling portion with respect to the female coupling portion.

Abstract: An optically clear biofouling resistant coating compositions specially formulated for very high light transmission and more particularly coating compositions which can be applied to marine instruments and sensors. The compositions provide a biofouling resistant coating on the surface of the marine instruments and sensors which prevents underwater organisms from adhering and growing on the surfaces of the structures over a long period of time.

Abstract: An optically clear biofouling resistant coating compositions specially formulated for very high light transmission and more particularly coating compositions which can be applied to marine instruments and sensors. The compositions provide a biofouling resistant coating on the surface of the marine instruments and sensors which prevents underwater organisms from adhering and growing on the surfaces of the structures over a long period of time.

Abstract: Injection molding systems described herein are configured to produce more uniform injection molded parts in one or more mold cavities corresponding to nozzles of a hot runner. The injection molding systems include sensors that detect one or more physical properties of a melt having been dispensed into the respective one or more mold cavities. A controller is configured to adjust the heat output from one or more heaters based on the sensed physical properties of the dispensed melt. Further, each nozzle of a hot runner may include a balance heater for heating an area of the nozzle body and a tip heater for heating an area of the nozzle tip. The controller of the injection molding system is configured to independently adjust the heat output of each balance heater of the hot runner.

Abstract: The present disclosure provides pharmaceutical compositions, pharmaceutical preparations and methods for increasing activity of a mutant cystic fibrosis transmembrane conductance regulator protein (mutant-CFTR). The pharmaceutical compositions, pharmaceutical preparations and methods are useful for the study and treatment of disorders associated with mutant-CFTR, such as cystic fibrosis. The pharmaceutical compositions and pharmaceutical preparations may include one or more cyanoquinoline-containing compounds of the embodiments, or an analog or derivative thereof.

Abstract: The present disclosure provides pharmaceutical compositions, pharmaceutical preparations and methods for increasing activity of a mutant cystic fibrosis transmembrane conductance regulator protein (mutant-CFTR). The pharmaceutical compositions, pharmaceutical preparations and methods are useful for the study and treatment of disorders associated with mutant-CFTR, such as cystic fibrosis. The pharmaceutical compositions and pharmaceutical preparations may include one or more cyanoquinoline-containing compounds of the embodiments, or an analog or derivative thereof.

Abstract: The inventors have researched a problem associated with known molding systems that inadvertently manufacture bad-quality molded articles or parts. After much study, the inventors believe they have arrived at an understanding of the problem and its solution, which are stated below, and the inventors believe this understanding is not known to the public. During operation, the gate orifice and nozzle tip position are fixed. The inventors believe that there appears to be no known mechanism that allows optimization of the tip to gate relationship. Known methods of adjusting position of a nozzle tip, such as shimming between a cavity plate and a manifold plate, or replacing nozzle stack components, may be time consuming and difficult. The known hot runner assembly often must be removed from the molding machine to make the desired adjustments.

Abstract: A mold-tool system for use with a molding-system platen structure, the mold-tool system a frame assembly being connectable with the molding-system platen structure (107); and a set of shooting-pot assemblies being supported by the frame assembly, wherein control of each shooting-pot assembly of the set of shooting-pot assemblies is independent.

Abstract: A mold-tool assembly (100), comprising: a manifold assembly (102); and a constant-temperature heater assembly (99) being positioned relative to the manifold assembly (102), the constant-temperature heater assembly (99) being configured to convey, in use, a thermal-management fluid (109).