Abstract: Technologies are generally described for lead-lag dampers. An example lead-lag may include a single- or two-stage floating annular ring, elastomer bearings, a tension stop, a compression stop, and a plunger/spring volume compensator. The floating annular ring(s) form orifice(s) in conjunction with the remaining damper components may provide stable performance by tracking with any center shaft misalignment during operation. The lead-lag damper may also include a secondary spring system allowing or disallowing fluid flow between chambers based on slow or sudden movement of the shaft.

Abstract: Technologies are described for a cap sensor unit for an energy absorber. The cap sensor unit may comprise a housing. The housing may be configured to be attachable to, and removable from, an end of a piston of the energy absorber. Walls of the housing may define a pocket for a sensor within the housing. The caps sensor unit may comprise the sensor. The sensor may be within the housing. The sensor may be a wireless position switch. The sensor may include a wireless transmitter. The sensor may be configured to send a signal to a receiver when a force impacts the cap sensor unit. The sensor may be in a load path of the force.

Abstract: A connector includes a body having gear teeth. A first sleeve is rotatably coupled to the body. A moveable member is positioned in a hole of the first sleeve. A second sleeve is movable with respect to the first sleeve between a locked and unlocked positions. A releasable locking member is positioned between the moveable member and the gear teeth. In the unlocked position of the second sleeve, a recess formed in the second sleeve is aligned with the opening. Upon rotation of the first sleeve, the moveable member is translated into the recess as the releasable locking member travels along the gear teeth. In the locked position of the second sleeve, the recess is rotationally spaced from the opening, and, the releasable locking member is sandwiched between the gear teeth and the moveable member to prevent rotation of the first sleeve with respect to the connector body.

Abstract: Technologies are generally described for an integrated monitoring system to monitor several operational aspects of a bearing assembly, analyze monitored aspects, provide predictions, alerts, and reports based on general equipment data or specific rotating machine data. A number of sensors in and on a bearing housing may sense a variety of operational aspects and provide input to a local or remote monitoring device. The bearing housing may include sensor mounting locations for one or more sensors. In some examples, an oil level sensor placed in a suitable mounting location on the bearing housing may detect oil levels inside the bearing housing. The monitoring device may analyze the sensor inputs in light of other information such as historic performance data, environmental information, etc. Reports, predictions, alerts, and/or suggested corrective actions may be generated based on the analysis by the monitoring device and/or remote devices communicatively coupled to the monitoring device.

Abstract: Technologies are generally described for stackable, configurable monitoring systems for shock absorbers or dampers. An example monitoring system may include one or more sensor boards, a processor board, a power supply board, and a communications board stacked together and fitted into a body of a shock absorber (or damper). Each sensor board may condition sensor outputs from one or more sensors. The processor board may process the conditioned sensor outputs and provide data to external computing devices. In some examples, the power supply board may recharge an on-board battery. The stacking order of the boards may be configurable. In other examples, a displacement sensor board may be disposed on the body and measure displacement using a laser module.

Abstract: An apparatus is provided for providing access to one or more axial proximity probes for monitoring axial position of thrust collars of a pump shaft to enable improved adjustment of the axial proximity probes by the pump operator. The apparatus includes a plurality of side walls configured to surround one or more axial proximity probes configured to measure axial position of one or more thrust collars in a pump bearing housing, at least one access window formed through at least one side wall of the apparatus configured to provide access the one or more axial proximity probes and at least one removable access plate configured to cover the at least one access window.

Abstract: A system for performing sensor data analytics for equipment diagnostics featuring an alarm signature and diagnostic detector having a signal processor configured to receive signaling containing information about an alarm signature for sensed data that is time-stamped for captured alarm signature parameters in order to monitor rotary equipment, and also about diagnostic detector signatures for diagnostic detectors related to alarm conditions for the rotary equipment; and determine corresponding signaling containing information about an alarm diagnosis based upon a match between the alarm signature and one of the diagnostic detector signatures contained in the signaling received.

Abstract: Various components and methods related to a leading edge assembly are disclosed. The leading edge assembly can include an outer strike shell and a foam core. The foam core can be located inside the outer strike shell. The leading edge assembly can include a heating element with a plurality of sensors and wires. A method of manufacturing a leading edge assembly can include forming a composite layer, applying a metallic layer to the composite layer, installing an electronic device, and inserting a foam core into a cavity bounded by the composite layer and/or the electronic device.

Abstract: Technologies are generally described for pump devices that include an adaptive cutwater and impeller arrangement. The power end of the pump device can be coupled to a motor to drive an impeller. The primer plate and impeller of the pump device are removable from the pump casing such that the primer plate and impeller can be replaced or modified as desired for different applications. In some examples, the pump casing includes a primer plate that is removable from the pump casing, where the primer plate includes a discharge cutwater tongue that is specifically spaced and sized to service an impeller of a desired design. The discharge cutwater tongue and impellers in the pump device may thus be serviced for replacement parts, as well as to modify the pump device for different fluids of different fluids properties or hydraulic requirements as may be needed in different applications.

Abstract: A pump is provided having an impeller in combination with a power transmission shaft. The impeller has a tapered bore with impeller threads. The power transmission shaft has a shaft end with tapered threads configured to couple directly to the impeller threads of the tapered bore of the impeller, to transmit torque directly through the tapered threads, and to provide self axial or radial alignment even if the coupling of the tapered threads and the impeller threads of the tapered bore start out of alignment. The tapered thread configuration substantially reduces investment in lifting equipment and time by maintenance personnel because it eliminates the need for maintenance personnel to precisely align the impeller threads and the tapered threads before attaching or removing the impeller and the tapered threads release much more quickly from the impeller than a standard thread configuration, reducing the number of turns the power transmission shaft must be rotated by hand to free it from the impeller.

Abstract: Technologies are generally described for lead-lag dampers. An example lead-lag may include a single- or two-stage floating annular ring, elastomer bearings, a tension stop, a compression stop, and a plunger/spring volume compensator. The floating annular ring(s) form orifice(s) in conjunction with the remaining damper components may provide stable performance by tracking with any center shaft misalignment during operation. The lead-lag damper may also include a secondary spring system allowing or disallowing fluid flow between chambers based on slow or sudden movement of the shaft.

Abstract: Diaphragm valves include plastic diaphragm and reduced or no elastomer backing cushion, where peripheral or all sealing forces may be applied directly to the diaphragm of the valve assembly. The valve assemblies may include a pressure ring to apply sealing force to a surface of the diaphragm with a reduced size or no backing cushion allowing a two-fold or more increase in pressure capacity of the valve assembly. An elastomer or metallic spring placed above a center diaphragm boss may provide center-to-edge compliance for passage seal.

Abstract: Technologies are described for diaphragm valves with plastic diaphragm and reduced or no elastomer backing cushion, where peripheral or all sealing forces may be applied directly to the diaphragm of the valve assembly. In various examples, the valve assemblies may include a pressure ring to apply sealing force to a surface of the diaphragm with a reduced size or no backing cushion allowing a two-fold or more increase in pressure capacity of the valve assembly. In other examples, an elastomer or metallic spring placed above a center diaphragm boss may provide center-to-edge compliance for passage seal.

Abstract: Apparatus, e.g., including a pump or rotary device, having a discharge casing and a discharge casing insert. The discharge casing may be configured with a discharge flow pathway for providing a flow of effluent being pumped and discharged, the discharge flow pathway having a discharge flow pathway wall, the discharge casing also configured with a discharge casing insert borehole that passes from an outer surface of the discharge casing through the discharge flow pathway wall. The discharge casing insert may include a discharge casing Venturi plug portion to be received in the discharge casing insert borehole and arranged in the discharge flow pathway, the discharge casing Venturi plug portion configured with a restricted discharge flow pathway for providing a partial obstruction in the discharge flow pathway and the flow of the effluent being pumped and discharged.

Abstract: Technologies are generally described for apparatus, systems, and methods to reduce cost and simplify couplings for wellhead equipment and related cable assemblies. The wellhead equipment is placed on a well that is bored into the ground. The wellhead cable may employ a splice assembly that includes a downhole cable, a surface cable, and a conduit. The surface cable is spliced with the downhole cable below a wellhead hanger. The conduit may be configured to contain the surface cable and terminate in the explosion-proof conduit box located at the surface. An inner space of the conduit may be sealed below the wellhead hanger. The conduit may be break-free, or contiguous, between the wellhead hanger and the explosion-proof box.

Abstract: A cable splice assembly includes a tubing encapsulated cable, an electric submersible downhole cable, where the tubing encapsulated cable and the electric submersible downhole cable are tape-spliced through a pair of respective contacts, and a thermoplastic insulator to seal the tubing encapsulated cable. A shell contains the tape-spliced tubing encapsulated cable and the electric submersible downhole cable and multiple layers of sealant tape are wrapped around at least the tubing encapsulated cable and the thermoplastic insulator inside the shell, where a number of layers of the sealant tape is selected to create a pressure blocking seal inside the shell.

Abstract: A sensor device may transform sensor data into spectrum data to be processed by a computer device. In an example, the sensor device may detect acceleration forces caused by a vibration. The sensor device may transform the acceleration forces into sensor data. The sensor device may transform the sensor data into spectrum data. The sensor device may execute a spectrum analysis on the spectrum data. The sensor device may generate a packet that includes a result of the spectrum analysis as a payload of the packet. A format of the packet may be based on a protocol of a communication link between the sensor device and the computer device. The sensor device may send the packet to the computer device through the communication link.

Abstract: Technologies are described for devices to absorb vibration. The devices may comprise an inertia track housing, an inertia track fluid reservoir, and an inertia track body. The inertia track fluid reservoir and the inertia track body may be within the inertia track housing. Walls of the inertia track body may define a first and a second spiral inertia track. The first and second spiral inertia tracks may be spiral channels within the outer surface of the inertia track body. The first spiral inertia track may connect a first fluid reservoir with the inertia track fluid reservoir. The second spiral inertia track may connect a second fluid reservoir with the inertia track fluid reservoir. The first and second spiral inertia tracks may be configured to channel the flow of a fluid along the first spiral inertia track and the second spiral inertia track and interact with the fluid to absorb vibration.

Abstract: Technologies are generally described for an integrated monitoring system to monitor several operational aspects of a bearing assembly, analyze monitored aspects, provide predictions, alerts, and reports based on general equipment data or specific rotating machine data. A number of sensors in and on a bearing housing may sense a variety of operational aspects and provide input to a local or remote monitoring device. The bearing housing may include sensor mounting locations for one or more sensors. In some examples, an oil level sensor placed in a suitable mounting location on the bearing housing may detect oil levels inside the bearing housing. The monitoring device may analyze the sensor inputs in light of other information such as historic performance data, environmental information, etc. Reports, predictions, alerts, and/or suggested corrective actions may be generated based on the analysis by the monitoring device and/or remote devices communicatively coupled to the monitoring device.

Abstract: A vertical pump features a shaft having an end with an impeller arranged thereon and rotates about an axis; a stationary bushing having an axial bushing surface, a radial bushing surface, and a central bushing bore; and a thrust balance drum that includes a central balancing drum bore to receive the shaft, that couples to the shaft so as to rotate about the axis, that includes an axial balance drum surface and a radial balance drum surface, and that is arranged in the central bushing bore of the stationary bushing with the axial balance drum surface positioned with respect to the axial bushing surface to define an axial clearance, and with the radial balance drum surface positioned with respect to the radial bushing surface to define a radial clearance. In operation, the thrust balance drum balances thrust loads produced by the impeller.