Abstract: A payload deployment tool is provided. The tool includes a housing having a coupler configured to couple to a fluid delivery conduit; a pressure chamber in communication with the coupler; a plurality of payload chambers in communication with the pressure chamber, each of the payload chambers having an upstream opening and a downstream opening; and a plurality of upstream pressure-rupturable seals respectively covering the upstream openings.

Abstract: A valve for downhole chemical injection control, having a single chemical injection fluid line (2) to feed all the injection points, regardless of the number of zones, exclusively electrically-driven by a single electric cable (3), with embedded sensing electronics (7), which communicate and activate an electric motor (4), coupled to a multiposition sphere (5) for dosing the chemical injection fluid, which, according to the engine rotation, is moved, altering its position, to enable the passage of interest to be selected, according to the volume of chemical fluid to be injected, a single turn of the sphere being required to commute all the possible positions, the performance of which is low in power consumption, and for a short period of time, having after its positioning in the desired passage zero consumption to maintain this position.

Abstract: The present disclosure provides an actuator and related method of use that can change and control positions of chokes, valves, and other rotational equipment in response to changes in either pressure, torque, or a combination thereof. The actuator with associated integrated components including a servo motor, motor controller, torque sensor assembly, encoder, holding brake, and onboard controls can be encased in a sealed explosion proof rated enclosure for deployment on a drilling rig or other explosive environments with a small footprint suitable for space limited locations. Pressure applied over a known area, such as a choke plug, is converted to torque and can be repeated regardless of flow rate, temperature, fluid type, or density. The torque sensing ability advantageously can quickly respond to fluid changes and make large steps to different set points with accuracy. The onboard controls can control the actuator autonomously without constant communication with a remote controller.

Abstract: Systems and methods for processing one or more waste fluids by measuring one or more properties of a waste fluid and adjusting the flow and/or flowability of the waste fluid based on the measurement are disclosed. The one or more properties of the waste fluid can include a viscosity of the waste fluid, a pressure of the waste fluid, and/or or a difference in pressure of the waste fluid. Adjusting the flow and/or flowability of the waste fluid can include adjusting the one or more properties of the waste fluid and/or affecting the direction of flow of the waste fluid in a manner which changes the destination of the waste fluid.

Abstract: A gravel pack flow path used to flow slurry fluids during a gravel pack phase may be closed or at least limited with a swellable metallic material prior to a production phase. An example apparatus may include a base pipe, a screen disposed about the base pipe, an inflow control device having an ICD flow path in fluid communication with an outer annulus between the screen and base pipe. The gravel pack flow path defined in part by perforations in a base pipe or by a secondary housing. A swellable metallic material is activated to close the gravel pack flow path in response to a reactive fluid.

Abstract: A device for generating a flow of crude oil from a plurality of hydrocarbon reservoirs to a surface location, including a set of isolation devices arranged to, at least partially, hydraulically isolate a set of segments of a wellbore traversing each of the plurality of hydrocarbon reservoirs. The device further includes a trap that receives a flow of crude oil from the plurality of hydrocarbon reservoirs and generates a comingled crude oil, and a set of conduits arranged to convey the flow of crude oil from each of the plurality of hydrocarbon reservoirs to the trap, and a blending device that blends the comingled crude oil to produce a blended crude oil. The device further includes a conduit arranged to convey the comingled crude oil from the trap to the blending device, and a conduit arranged to convey the blended crude oil to the surface location.

Abstract: A plunger having a generally hollow interior between an open upper end of the plunger and a closed bottom end of the plunger. One or more orifices extend through a sidewall of the plunger near the closed bottom surface. The orifices fluidly connect the hollow interior of the plunger with the tubing below the plunger when the plunger is in use. The orifices allow for a transfer of gas from the well bottom into the liquid load above the plunger during plunger ascent. The orifices also allow liquids to pass through the plunger during plunger descent.

Abstract: An apparatus for processing components of a fluid having a first fluid component and a second fluid component in a fluid property-dependent fluid device includes an energy device configured to input energy to the fluid, the energy selectively changing a property of one of the first and second components more than the other of the first and second components.

Abstract: A downhole system for multistage fracturing having a first cluster of valves, and a second cluster of valves downhole from the first cluster. Each of the first and second cluster of valves has a frac valve. At least one of the first and the second cluster of valves has a flex valve. A single plugging device is used to open all of the valves in the second cluster, but leaves all valves in the first cluster closed.

Abstract: A system and method of enhancing operation of hydraulic fracturing equipment at a hydraulic fracturing wellsite may include determining if a hydraulic fracturing stage profiles are available for use for hydraulic fracturing equipment at a wellsite. The method may include prompting an acceptance or amendment of one of the hydraulic fracturing stage profiles for a hydraulic fracturing pumping stage. The method may include, in response to an amendment of one of the hydraulic fracturing stage profiles, prompting acceptance of the amended hydraulic fracturing stage profile as the current hydraulic fracturing stage profile for use in association with the controller. The method may include, when a hydraulic fracturing stage profile is not available, prompting configuration of hydraulic fracturing pumping stage parameters for the current hydraulic fracturing stage profile.

Abstract: A method of controlling a pumping sequence of a fracturing fleet at a wellsite while performing a fracturing job on a treatment wellbore penetrating a subterranean formation. A modeling application receives sensor data from the treatment wellbore and/or a monitoring wellbore, predicts a fracture propagation within the formation, and produces a pumping sequence to obtain the fracture propagation or a real-time update to the pumping sequence. The pumping can include two or more sub-stages, wherein the modeling application employs a first pumping routine model to provide a first sub-stage of the pumping sequence and employs a second pumping routine model to provide a second sub-stage of the pumping sequence. A managing application controls the fracturing fleet in accordance with the pumping sequence to place a fracturing fluid in the treatment well.

Abstract: A method and system pulse for treating a plurality of wells simultaneously includes applying a high pressure of fracturing fluid to one or more switching valves and repeatedly opening and closing the one or more switching valves to divert the fracturing fluid near instantaneously from one well to the other well to creating a pulse wave into the plurality of wells for fracturing subterranean formations. The one or more switching valves may be a single 3-way valve incorporating the function of two or more switching valves. This technique reduces wear of surface equipment including high pressure pumps that need only provide a constant pressure.

Abstract: Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations to enhance hydrocarbon production from the subsurface formations may include providing a manifold coupling having a manifold coupling passage with a manifold coupling axis. The manifold coupling may include a first inlet passage positioned to provide fluid flow between a first fracturing fluid output and the manifold coupling passage, and a second inlet passage positioned opposite the first inlet passage to provide fluid flow between a second fracturing fluid output and the manifold coupling passage. The first inlet passage may have a first inlet passage cross-section at least partially defining a first inlet axis extending transverse relative to the manifold coupling axis. The second inlet passage may have a second inlet passage cross-section at least partially defining a second inlet axis extending transverse relative to the manifold coupling axis and not being co-linear with the first inlet axis.

Abstract: System for optimizing operation of an oil and gas well employs multi-objective Bayesian optimization of wellbore parameters to minimize scaling and corrosion. The system may contain instrumentation for measuring temperature, pressure, at least one production parameter and at least one ion concentration of the fluid in the wellbore. The system may also have a processor for performing a calculation procedure to determine an anticipated corrosion rate (“Vbase”) and a scaling index (“Is”) reflecting a tendency of scale to form in the wellbore based on the measurements provided by the instrumentation, where Vbase and Is are calculated along the length of the wellbore. Based on a selected set of optimization points taken from the calculations of Vbase and Is, the system may control the alkalinity and flow rate of the fluid based on the multi-objective optimization to simultaneously optimize scaling and corrosion.

Abstract: A removable real time clock battery (“RRTCB”) assembly is disclosed herein. The RRTCB assembly has an outer housing removably mounted in a port of a downhole tool. The outer housing is adapted to receive at least a portion of an inner housing. The inner housing has a cavity therein and is mounted in the port of the downhole tool. The inner housing is removably disposed within the outer housing. A real time clock battery is removably disposed in the cavity of the inner housing. The real time clock battery electrically connects to a clock disposed within the downhole tool. The RRTCB assembly can be readily removed from the downhole tool or bottomhole assembly (while at the earth's surface) without otherwise disassembling the downhole tool. The real time clock battery can then be removed and replaced or installed if not present.

Abstract: A system for drilling a wellbore is disclosed. The injection pump releases the taggant into the mud stream traveling downhole. The taggant attaches to the rock cuttings and it is detected on the surface by the taggant detector. The taggant detector provides the data relating to the taggants detected in the drilling fluid. The data is analyzed by taggant analysis and control engine, which produces an injection profile. Based on the injection profile, the IoT Controller adapts the parameters of the taggant injection pump to achieve a real-time optimization of the taggant injection.

Abstract: A method for determining the distribution of a proppant and associated slurry exiting perforations made in a casing, which is placed in a well, includes receiving settling data describing the proppant settling in the casing; receiving a slip parameter describing a casing velocity of the proppant relative to a perforation velocity of the proppant; calculating with a computing device, based on a constant proppant concentration model, (1) initial flow rates Q?(i) of the proppant through the perforations and (2) initial flow rates Q?case(i) of the proppant through the casing, wherein i is the number of perforations; and calculating with the computing device, based on (1) a variable proppant concentration model, (2) the settling data, (3) the slip parameter, (4) the initial flow rates Q?(i) of the proppant through the perforations, and (5) the initial flow rates Q?case(i) of the proppant through the casing, normalized flow rates Q?s(i) of the proppant through the perforations.

Abstract: A method can include deploying into a well a fluid sampler tool including a fluid sampler, a sampler valve, a controller and a sensor, and the controller operating the sampler valve in response to a sensed well parameter being within a predetermined well parameter range. A fluid sampler tool can include a fluid sampler, a sampler valve, a controller and a carrier configured to connect the fluid sampler tool in a tubular string, the controller being enclosed within a chamber that is externally accessible on the carrier.

Abstract: A system for detection of real time gas expansion within a wellbore using an oil based mud. The system includes one or more ball valve cartridges located in a drill string, where the one or more ball valves are arranged serially along a length in the drill string. Each of the one or more ball valve cartridges include a corresponding gas detection electrode. The system also includes a control system for receiving an output signal from the gas detection electrode. Each of the one or more ball valve cartridges is configured to have a higher pressure rating than a preceding ball valve cartridge, and the gas detection electrode is configured to react with a dissolved gas in the oil based mud, causing an oxidation reaction, and thereby generating the output signal.

Abstract: A boom for supporting a drilling and bolting tool includes a first portion including a first end and a second end, a longitudinal axis extending between the first end and the second end; a second portion including a proximal end and a distal end, the proximal end supported for translational movement relative to the first portion in a direction parallel to the longitudinal axis, the distal end configured to support the drilling and bolting tool; an actuator for moving the second portion relative to the first portion parallel to the longitudinal axis; and a fluid passage for conveying pressurized fluid between the first end of the first portion and the drilling and bolting tool adjacent the distal end of the second portion, the fluid passage positioned within the first portion and the second portion.

Abstract: A safe early warning method and device for full-section tunneling of a tunnel featuring dynamic water and weak surrounding rock, comprising establishing a dynamic coordinate system with an origin thereof moving along a tunnel excavation line, recording the moving distance of the origin, conducting three-dimensional laser scanning with the origin as a center to obtain point cloud data including coordinate data, collecting surrounding rock data; conducting deformation fitting on the point cloud data, calculating a fitting residual error, removing a noisy point, and conducting preprocessing; combining data of preprocessed point cloud, surrounding rock, and the tunnel excavation line to construct a tunnel excavation dynamic model; conducting stress analysis according to the model and determining whether to send out a safety early warning signal.

Abstract: A vane pump includes a cam ring, a rotor, a plurality of vane, and a lateral plate. The lateral plate has an extension groove. The shape of a pump chamber forming surface viewed from the rotation-axis direction of the rotor satisfies the following requirements i) and ii) at the time when a first vane passes the base end part of the extension groove: i) the center line of the groove width of the extension groove is inclined from the radial direction of the rotor; and ii) a slit in which a second vane is accommodated has an open end falling within a belt-shaped range obtained by extending a groove width of the base end part of the extension groove along a virtual extension line.

Abstract: A positive displacement rotary fluid pump assembly includes a pump housing and a rotor supported within the housing for rotation about an axis offset with respect to a housing axis and including a plurality of chambers of increasing volume on an low pressure side of the pump and of decreasing volume on a high pressure side of the pump. A fluid inlet communicates with the plurality of the chambers of increasing volume for admitting fluid into the pump under a first low pressure, and a fluid outlet communicates with a plurality of the chambers of decreasing volume for selectively expelling fluid from the pump under a second higher pressure. At least one fluid control valve is operative to selectively close one or more of the chambers of decreasing volume from communication with the fluid outlet when the fluid pressure in such chambers is below the predetermined value and to open one or more other chambers of decreasing volume when the fluid pressure in such chambers is at or above the predetermined value.

Abstract: Axial turbine (100) with two supply levels for the expansion phase of a working fluid in a thermodynamic vapor cycle or in an organic Rankine cycle comprising a shaft (2), a plurality of rotor blade arrays (R1-Rn) and corresponding support disks (21, 22), a plurality of stator blade arrays (S1-Sn), further comprising a first inlet opening (5) and a second inlet opening (7?). The second volute (4) is positioned inside the first volute (3), the working fluid of the second supply level reaching upstream of a stator blade (S2, S3 . . . Sn) any subsequent to the first stage, and the vapor flow of the first supply level and that of the second supply level are conveyed so as to be substantially parallel to each other according to an axial direction upstream of a stator blade (S2, S3 . . . Sn).

Abstract: A rotor assembly includes: a rotor disc; a plurality of rotor blades fixed to the rotor disc and extending radially outward in a radial direction of the rotor disc; and at least one rolling element configured to roll on a curved surface facing inward in the radial direction of the rotor disc.

Abstract: A blade airfoil including a platform, concave pressure sidewall and convex suction sidewall extending axially between corresponding leading and trailing edges and radially between a root and outboard tip. The blade further includes at least one part-span shroud positioned on the airfoil defined by a nominal profile in accordance with at least a portion of Cartesian coordinate values of X, Y and Z set forth in at least one of TABLE I and TABLE II. The Cartesian coordinate values are non-dimensional values of from 0% to 100% convertible to distances by multiplying values by a length of the at least one part-span shroud. X and Y values are connected by continuing arcs to define part-span shroud profile sections at each distance Z along at least a portion of the at least one part-span shroud, profile sections at Z distances being joined with one another to form the nominal profile.

Abstract: A lattice formed of entwined links in a cavity encased by the external skin of a blade and provided with parts of low mechanical strength referred to as breakable, which are capable of rupturing when sufficient loads are applied thereto during operation of the blade. This arrangement, which concentrates the ruptures at given locations, will leave the rest of the lattice intact and therefore will not hamper or will scarcely hamper its properties of heat evacuation by conduction or convection or pressure loss, if for example ventilation air passes through it.

Abstract: A turbofan gas turbine engine includes, in axial flow sequence, a heat exchanger module, a fan assembly, a compressor module, a turbine module, and an exhaust module. The fan assembly includes fan blades defining a fan diameter. The heat exchanger module is in communication with the fan assembly by an inlet duct, and the heat exchanger module further includes radially-extending hollow vanes arranged in a circumferential array, with a channel extending axially between hollow vanes. Each hollow vane accommodates at least one heat transfer element to transfer heat from a first fluid contained within the or each heat transfer element to a corresponding vane airflow passing through the hollow vane and over a surface of the or each heat transfer element. Each hollow vane further includes a flow modulator configured to regulate airflow in proportion to total airflow entering the heat exchanger module in response to a user requirement.

Abstract: A bucket includes a pair of radially-inner part-span shrouds, and a pair of radially-outer part-span shrouds. The buckets also include a dovetail, an airfoil and a platform extending between the airfoil and the dovetail. The airfoil includes a pressure side and an opposite suction side. The radially-inner part-span shrouds extend outward from the airfoil such that each of the radially-inner part-span shroud is spaced a distance from the leading edge and a distance from the airfoil trailing edge. The radially-outer part-span shrouds extend outward from the airfoil such that each of the radially-outer part-span shrouds is spaced a distance from the airfoil leading edge and a distance from the airfoil trailing edge, and such that the radially-inner part-span shrouds are between the radially-outer part-span shrouds and the platform. At least one of the airfoil and the dovetail includes at least one aerodynamic feature that facilitates mode shape adjustment of the bucket.

Abstract: An abradable seal structure for a gas turbine is formed using binder jetting. The structure may include a first plurality of adjoining cells and a second plurality of adjoining cells. The first plurality of adjoining cells has at least one of a different size, shape, wall thickness, and configuration of adjoining cells than the second plurality of adjoining cells. The abradable seal structure may also have varying porosity across an area thereof.

Abstract: A mechanical reduction gear of a turbine engine, in particular for an aircraft, includes a sun gear having external toothing, a ring gear which extends around the sun gear and has internal toothing, planet gears which are in mesh with the sun gear and the ring gear and which have toothings of different diameters, a planet carrier which supports bearings for guiding the planet gears in rotation, and a lubrication circuit of the reduction gear. The planet carrier has a hydrodynamic abutment on which the sun gear is configured to bear axially.

Abstract: A turbofan gas turbine engine includes, in axial flow sequence, a heat exchanger module, a fan assembly, a compressor module, a turbine module, and an exhaust module. The fan assembly includes a plurality of fan blades defining a fan diameter. The heat exchanger module is in fluid communication with the fan assembly by an inlet duct, and the heat exchanger module including a plurality of heat transfer elements for transfer of heat from a first fluid contained within the heat transfer elements to an airflow passing over a surface of the heat transfer elements prior to entry of the airflow into an inlet to the fan assembly. Each heat transfer element may be individually and independently fluidly isolated from the remaining heat transfer elements.

Abstract: A water-cooled compressor housing assembly for a turbocharger includes a compressor housing that defines an open-ended cavity extending axially downstream into the compressor housing, and a separately formed cover that is affixed to the compressor housing so as to close the open end of the cavity and thereby define a coolant passage for a liquid coolant to be circulated through. A coolant inlet and a coolant outlet are provided for supplying coolant into and exhausting coolant from the coolant passage. The compressor housing has a simplified geometry that is manufacturable by sand casting without needed a sand core for the coolant passage, or by die casting.

Abstract: A gas turbine engine has a bearing housing mounted to structure linked to the engine mounting pads. The bearing housing has bearing housing flanges with bearing housing flange openings aligned with attachment flange openings of the structure. Some of the bearing housing flange openings are slots. A first group of fasteners extends through one of the attachment flange openings and through one of the bearing housing flange openings. A second group of fasteners extends through one of the attachment flange openings and through one of the slots. The first group of fasteners are sacrificial fasteners configured to fracture in response to a load on the bearing housing exceeding a fracture load. The bearing housing is displaceable relative to the structure after fracture of the sacrificial fasteners via the second group of the fasteners moving within and relative to respective ones of the slots.

Abstract: Methods and systems for generating power (and optionally heat) from a high value heat source using a plurality of circulating loops comprising a primary heat transfer loop, several power cycle loops and an intermediate heat transfer loop that transfers heat from the high-temperature heat transfer loop to the several power cycle loops.

Abstract: A method of using a through axle switching rocker arm according to one example of the present disclosure is provided. The switching rocker arm comprises an outer and inner arm and a roller axle. The inner arm is pivotally coupled to the outer arm about a pivot axle and has an inner bushing that supports an inner roller. The inner bushing defines an inner diameter. The roller axle extends through the inner bushing and defines an outer diameter. The inner diameter of the inner bushing engages the outer diameter of the roller axle thereby inhibiting further pivoting of the inner arm relative to the outer arm defining a rocker arm travel constraint. The method includes designing first and second cam profiles based on the through axle switching rocker arm such that a difference in lift between the first and second cam profiles is held within the rocker arm travel constraint.

Abstract: Systems, devices and methods for diagnosing malfunctioning in a crankcase ventilation (CCV) system can include a controller receiving a plurality of pressure values. The plurality of pressure values include a first pressure value indicative of pressure of gases flowing between a crankcase and a breather assembly, a second pressure value indicative of pressure of gases flowing through a CCV tube from the breather assembly, and a third pressure value representing pressure of gases in a tube connected to the CCV tube. The controller can calculate a pair of pressure differences including a first pressure difference between the first pressure value and the second pressure value and a second pressure difference between the first pressure value and the third pressure value. The controller can detect a malfunctioning or defect in the CCV system based on the pair of pressure differences falling within a predefined clustering region.

Abstract: An exhaust-gas burner for an exhaust-gas system of a motor vehicle includes a combustion chamber, which is surrounded by an outer wall, for a channel section in an exhaust-gas system. A dosing unit is provided for the controlled feed of a fuel into the combustion chamber. An ignition unit is provided for the ignition of a combustible mixture in the combustion chamber. A cooling circuit is provided for the exchange of heat with the dosing unit, and is arranged within the outer wall of the exhaust-gas burner.

Abstract: A method includes: providing a SCR system comprising a SCR catalyst; heating the SCR system to a temperature greater than 500 degrees Celsius for a predetermined time so as to increase sulfur resistance of the SCR catalyst; and installing the SCR system in an aftertreatment system.

Abstract: The present disclosure relates to a method for determining urea feeding in an exhaust gas aftertreatment system (100,200), the exhaust gas aftertreatment system (100,200) being connectable to an internal combustion engine (101,201) operating under an engine operating condition, the system (100,200) comprising a first Selective Catalytic Reduction (SCR1) system comprising a first selective reduction catalyst (SCR1c) and a first doser (103,203) configured for feeding urea upstream the SCR1 system, at least one Particulate Filter (PF) downstream the SCR1 system or as a substrate for the SCR1c and a second Selective Catalytic Reduction (SCR2) system downstream the PF, the SCR2 system comprising a second selective reduction catalyst (SCR2c) and a second doser (104,204) configured for feeding urea upstream the SCR2c, the method comprising the steps of estimating the amount of particles in the PF; and determining the amount of urea to be fed by the respective first and second doser (4,5) based on the engine operatin

Abstract: An exhaust-gas tract for a motor vehicle has an exhaust-gas burner that includes an air inlet connection for the introduction of air into the exhaust-gas burner. The air inlet connection has a connection piece in which a check valve for the closure of the connection piece is arranged. The air inlet connection has an air inlet flange which connects the connection piece to a combustion chamber of the exhaust-gas burner and which seals off the combustion chamber. A motor vehicle incorporates the exhaust-gas tract.

Abstract: System and methods are described for optimizing exhaust flow rate and temperature during specified operational periods warm-up and keep-warm conditions, by minimizing or maximizing heat flux during those specified operational periods.

Abstract: Provided herein are systems, apparatuses, and methods for localized, on-demand diesel exhaust fluid (“DEF”) production. The systems can comprise a loading station for securing a container comprising a pre-measured quantity of urea and releasing the urea from the container. The released urea and water can then be fed into a mixing tank to produce the DEF product. The water can be pre-treated, for example, in a reverse osmosis and/or deionization process before being fed to the mixing tank. The DEF product can be immediately dispensed into a diesel vehicle or stored in a nearby intermediate storage tank. The systems and processes advantageously reduce or eliminate the need for over-the-road shipments and retail packaging of DEF.

Abstract: A secondary air introduction device is configured to supply air into an exhaust passage of an engine to combust unburned gas contained in exhaust gas. The secondary air introduction device includes: an air introduction passage configured to introduce air into the exhaust passage; and a secondary air valve configured to be attached to an outer surface of a cylinder head of the engine and to control opening and closing of the air introduction passage. The secondary air valve is configured to be attached to an outer lateral surface of the cylinder head on one side in an axial direction of a crankshaft, and the secondary air valve includes an air introduction inlet formed in a position opposite to the outer lateral surface of the cylinder head in the axial direction of the crankshaft.

Abstract: A holding device for an injection valve of an exhaust-gas burner of a motor vehicle includes a receiving section and a cooling-water jacket. The receiving section is shaped such that it can receive a front end of the injection valve. The cooling-water jacket extends around the receiving section and is shaped such that, after the holding device has been mounted on the exhaust-gas burner, the cooling-water jacket, together with a corresponding cooling-water jacket of the exhaust-gas burner, forms a cooling-water chamber of the exhaust-gas burner.

Abstract: Operating a combustion engine with an exhaust gas aftertreatment system. In one example, a method includes determining a level of at least one exhaust gas component using a theoretical catalytic converter model in which at least one signal of a first exhaust gas sensor is input as a first signal, detecting a signal of a second exhaust gas sensor downstream of the exhaust gas catalytic converter as a second signal, determining a deviation of the second signal from a target signal, reinitializing the catalytic converter model if the deviation of the second signal from the target signal exceeds a predetermined threshold value, regulating the level by setting an air-fuel mixture supplied to the combustion engine according to a target level based on the determined level, determining a deviation between the first and the second signals, and correcting the first signal.

Abstract: Systems are disclosed for power systems and enclosures having an improved compressor drive. In examples, a power system includes a generator to be driven by an engine. The generator is coupled to the engine on a first side of the generator and has a clutch extending from a second side of the generator opposite the engine. The clutch is coupled to the engine. A compressor is positioned at the second side of the generator opposite from the engine. The compressor comprising a shaft extending toward the generator and configured to be driven by the clutch.

Abstract: A coolant pump module for an internal combustion engine is provided. The coolant pump module includes an inlet thermostat and an exhaust gas recirculation (EGR) passage integrated into a single unit. The coolant pump module provides inlet and outlet of coolant to various cooling circuits and inlet and outlet for an EGR gas circuit.

Abstract: An internal combustion engine, comprising a super-charging, which is designed to compress the charge air into the charge air pipe, with overpressure up to 2.8 BAR, a throttle valve, which operation is to provide a sufficient amount of charge air into the main combustion chamber, while together throttling an overpressure of the charge air from the charge air pipe to achieve a pressure reduction and thus a temperature reduction of the charge air in the intake port up to ?20° C. (?4° F.), a cylinder head, which is equipped with a swirl chamber, per main combustion chamber, the size of which is 8% to 15% of the compression volume, whereby the formation of the fuel/air mixture occurs only in this swirl chamber, whereby in combination with the subcooling of the charge air in the intake port, reduces fuel consumption.

Abstract: Method for operating a hydrogen fuelled combustion engine 1 comprising the steps of providing an internal combustion engine 1 having at least one cylinder 2 and a piston 3 supported at a crankshaft 5 for repeated reciprocal movement in the cylinder 2 so as to define a main combustion chamber 21, the internal combustion engine 1 further having an ignition device 4 arranged in said cylinder 2 with an igniter portion 42 and a hydrogen fuel injector 43 which are both arranged at a pre-chamber 41, wherein the pre-chamber 41 has a plurality of orifices 44 for providing fluid communication between said pre-chamber 41 and the main combustion chamber 21; and operating the engine in cycles comprising the following steps: introducing hydrogen fuel in the pre-chamber 41; introducing hydrogen fuel in the main combustion chamber 21; and igniting the introduced hydrogen fuel in the pre-chamber 41 for combusting the introduced hydrogen fuel in the main combustion chamber 21.