Abstract: A system and method for providing one or more pressurized fluid barriers for a fluid end of a reciprocating pump can comprise energization of, using a clean fluid, one or more components provided at distinct different locations of the reciprocating pump to a pressure greater than a cyclical pressure of the reciprocating pump associated with operation of the reciprocating pump to output fracking fluid.

Abstract: The present disclosure relates to a system for heating a bed of a truck. The system includes a processor, one or more inputs, one or more power sources, a resistor grid, and one or more channels. The processor receives the one or more inputs and uses the one or more inputs to generate a thermal management control method.

Abstract: A 3G/LTE proxy system may enable LTE wireless communication by a UE roaming in an LTE VPMN but associated with a 3G carrier. The system may include an EPC configured to proxy as an LTE-capable HPMN for the UE as the UE is attached to a VPLMN. The system may include a 3G MSC configured to proxy as a 3G-capable VPMN for the HPMN. The system may include a translator. The translator may be configured to translate a data communication from an LTE data standard to a 3G data standard, and vice versa. The translator may be configured to translate a text communication from an LTE text standard to a 3G text standard, and vice versa. The translator may be configured to translate a voice communication from an LTE voice standard to a 3G voice standard, and vice versa.

Abstract: A pinion shaft assembly for operation in a power end of a reciprocating pump includes a tubular member coupled to first pinion gear member via an interference coupling extension, possibly having a protruding alignment key operable to engage a slot formed on an inner wall of the first end of the tubular member to ensure correct rotational orientation of the first pinion gear member and the tubular member and to help prevent rotation of the first pinion gear member relative to the tubular member. The tubular member is also coupled to a second pinion gear member via an interference coupling extension, possibly having a protruding alignment key operable to engage a slot formed on an inner wall of the second end of the tubular member to ensure correct rotational orientation of the second pinion gear member and the tubular member and to help prevent rotation of the second pinion gear member relative to the tubular member.

Abstract: A retainer assembly and plug for a fluid end of a pump system includes a retainer body. A plurality of tongues are movably arranged about the retainer body. The tongues are moveable between a pre-installed configuration and an installed configuration depending on the position of the retainer body relative to the tongues. In the installed configuration engaging flanges of the tongues are positioned in a retaining channel formed in a bore of the fluid end and retain the retainer assembly to the fluid end. A plug is configured to sealingly fit to the bore of the fluid end inboard of the retainer assembly and a locking mechanism is configured to secure the retainer assembly to the plug, and when so secured, the position of the retainer body is maintained relative to the plurality of tongues and the retainer assembly is maintained in the installed configuration.

Abstract: A 3G/LTE proxy system may enable LTE wireless communication by a UE roaming in an LTE VPMN but associated with a 3G carrier. The system may include an EPC configured to proxy as an LTE-capable HPMN for the UE as the UE is attached to a VPLMN. The system may include a 3G MSC configured to proxy as a 3G-capable VPMN for the HPMN. The system may include a translator. The translator may be configured to translate a data communication from an LTE data standard to a 3G data standard, and vice versa. The translator may be configured to translate a text communication from an LTE text standard to a 3G text standard, and vice versa. The translator may be configured to translate a voice communication from an LTE voice standard to a 3G voice standard, and vice versa.

Abstract: According to various embodiments, a system for detecting security vulnerabilities in at least one of cyber-physical systems (CPSs) and Internet of Things (IoT) devices is disclosed. The system includes one or more processors configured to construct an attack directed acyclic graph (DAG) unique to each CPS or IoT device of the devices. The processors are further configured to generate an aggregate attack DAG from a classification of each device and a location of each device in network topology specified by a system administrator. The processors are also configured to calculate a vulnerability score and exploit risk score for each node in the aggregate attack DAG. The processors are further configured to optimize placement of defenses to reduce an adversary score of the aggregate attack DAG.

Abstract: A retainer assembly and plug for a fluid end of a pump system includes a retainer body. A plurality of tongues are movably arranged about the retainer body. The tongues are moveable between a pre-installed configuration and an installed configuration depending on the position of the retainer body relative to the tongues. In the installed configuration engaging flanges of the tongues are positioned in a retaining channel formed in a bore of the fluid end and retain the retainer assembly to the fluid end. A plug is configured to sealingly fit to the bore of the fluid end inboard of the retainer assembly and a locking mechanism is configured to secure the retainer assembly to the plug, and when so secured, the position of the retainer body is maintained relative to the plurality of tongues and the retainer assembly is maintained in the installed configuration.

Abstract: A long sleeve cartridge for being inserted into a fluid end block of a pump is disclosed. The long sleeve cartridge includes a body and a sleeve bore extending through the body. The sleeve bore includes a first inner diameter and a second inner diameter. The first inner diameter is less than the second inner diameter. A first aperture is located on the body, and a second aperture is located on the body in a radial position substantially diametrically opposite of the first aperture. A packing seal assembly is secured within the long sleeve cartridge. The packing seal assembly includes one or more seals and a biasing mechanism to provide a compression force on the seals. The packing seal assembly is arranged within the second inner diameter when the packing seal assembly is disposed within the long sleeve cartridge.

Abstract: A system and method for providing one or more pressurized fluid barriers for a fluid end of a reciprocating pump can comprise energization of, using a clean fluid, one or more components provided at distinct different locations of the reciprocating pump to a pressure greater than a cyclical pressure of the reciprocating pump associated with operation of the reciprocating pump to output fracking fluid.

Abstract: A pinion shaft assembly for operation in a power end of a reciprocating pump includes a tubular member coupled to first pinion gear member via an interference coupling extension, possibly having a protruding alignment key operable to engage a slot formed on an inner wall of the first end of the tubular member to ensure correct rotational orientation of the first pinion gear member and the tubular member and to help prevent rotation of the first pinion gear member relative to the tubular member. The tubular member is also coupled to a second pinion gear member via an interference coupling extension, possibly having a protruding alignment key operable to engage a slot formed on an inner wall of the second end of the tubular member to ensure correct rotational orientation of the second pinion gear member and the tubular member and to help prevent rotation of the second pinion gear member relative to the tubular member.

Abstract: A long sleeve cartridge for being inserted into a fluid end block of a pump is disclosed. The long sleeve cartridge includes a body and a sleeve bore extending through the body. The sleeve bore includes a first inner diameter and a second inner diameter. The first inner diameter is less than the second inner diameter. A first aperture is located on the body, and a second aperture is located on the body in a radial position substantially diametrically opposite of the first aperture. A packing seal assembly is secured within the long sleeve cartridge. The packing seal assembly includes one or more seals and a biasing mechanism to provide a compression force on the seals. The packing seal assembly is arranged within the second inner diameter when the packing seal assembly is disposed within the long sleeve cartridge.

Abstract: A hydrogen storage tank of a vehicle includes a housing defining an inlet/outlet opening, a control assembly extending into the housing through the opening and comprising a plurality of sensors, and a controller configured to receive signals from the plurality of sensors. The controller of the hydrogen storage tank is configured to, in response to a request for a handshake signal, initiate sending the handshake signal, and in response to the vehicle being started, initiate periodically sending data indicating parameter values received from the plurality of sensors.

Abstract: A frame includes a rib. The frame also includes a crosshead tube that is integral with the rib. The frame also includes a lube rail that is integral with the rib, the crosshead tube, or both. The frame also includes a nose plate that is integral with the rib, the crosshead tube, the lube rail, or a combination thereof.

Abstract: A method, system, apparatus, and/or device for rerouting a location-based phone call. The method, system, apparatus, and/or device may include a home cellular network and a location-based routing platform. The home cellular network may be configured to receive registration data indicating a cellular tower communicatively coupled with a cellular device, receive a location-based telephone call from the cellular device, and send the registration data to a location-based routing platform. The location-based routing platform may be configured to receive the registration data from the home cellular network, determine a location of the cellular device, and send a redirection request to the home cellular network for the home cellular network to redirect the location-based telephone call to a local phone system associated with the location of the cellular device, where the home cellular network is configured to redirect the location-based telephone call to the local phone system.

Abstract: A method, system, apparatus, and/or device for rerouting a location-based phone call. The method, system, apparatus, and/or device may include a home cellular network and a location-based routing platform. The home cellular network may be configured to receive registration data indicating a cellular tower communicatively coupled with a cellular device, receive a location-based telephone call from the cellular device, and send the registration data to a location-based routing platform. The location-based routing platform may be configured to receive the registration data from the home cellular network, determine a location of the cellular device, and send a redirection request to the home cellular network for the home cellular network to redirect the location-based telephone call to a local phone system associated with the location of the cellular device, where the home cellular network is configured to redirect the location-based telephone call to the local phone system.

Abstract: A fluid end of a pump includes a body that defines a suction bore, a discharge bore, and a plunger bore. A first central longitudinal axis extends through the suction bore, the discharge bore, or both. A second central longitudinal axis extends through the plunger bore. A chamber is defined at an intersection between the suction bore, the discharge bore, and the plunger bore. An interior surface of the body that at least partially defines the chamber comprises a first wall portion that is at least partially planar and oriented at an angle that is less than or equal to 15° from perpendicular to the first central longitudinal axis.

Abstract: A seal assembly includes a packing nut and a pressure ring configured to be coupled to the packing nut. An inner surface of the pressure ring defines a first circumferential groove that is configured to receive a first seal. The first seal is configured to be inserted into the first circumferential groove before the packing nut is coupled to the pressure ring such that the first seal is inserted into the first circumferential groove without being substantially flexed.

Abstract: The system comprises a fuel description module structured to provide a first signal, and a control circuit operable to receive the first signal. The fuel description module comprises a fuel consumption detection package. The fuel consumption detection package an intake manifold temperature sensor and an exhaust temperature sensor, wherein the first signal corresponds to a difference between the exhaust manifold temperature (EMT) and the intake manifold temperature (IMT). The control circuit is responsive to the first signal to produce a second signal indicating a total energy content (Efuel) of fuel supplied to the dual-fuel engine. The Efuel value indicating the total energy content provided to the engine from a first fuel and a second fuel.

Abstract: A seal assembly includes a packing nut and a pressure ring configured to be coupled to the packing nut. An inner surface of the pressure ring defines a first circumferential groove that is configured to receive a first seal. The first seal is configured to be inserted into the first circumferential groove before the packing nut is coupled to the pressure ring such that the first seal is inserted into the first circumferential groove without being substantially flexed.