34th week of 2015 patent applcation highlights part 29 |
Patent application number | Title | Published |
20150233197 | REGULATING DRILLING FLUID PRESSURE IN A DRILLING FLUID CIRCULATION SYSTEM - A system and method are disclosed for regulating drilling fluid pressure in a drilling fluid circulation system. In one embodiment, a drilling fluid circulation system includes a processor ( | 2015-08-20 |
20150233198 | Apparatus for and Method of Drilling a Subterranean Borehole - A control apparatus for use in controlling the fluid pressure in a borehole during drilling of the borehole, the apparatus including an inlet suitable for connection to a pump, a main outlet suitable for connection to a drill pipe, and an overflow outlet suitable for connection to a fluid reservoir, the inlet being connected to the main outlet by a main flow conduit, and the overflow outlet being connected to the main flow conduit by means of an overflow conduit, wherein the overflow conduit is provided with a pressure regulator by means of which the pressure of fluid in the main flow conduit may be maintained at or around a predetermined pressure value. | 2015-08-20 |
20150233199 | QUARTER TURN TUBING ANCHOR CATCHER - A torque anchor for anchoring well equipment in a well conduit to arrest movement in both longitudinal directions and rotation in a first direction, but not rotation in an opposed second direction. A mandrel connected to the equipment has one or more grooves for slideably receiving respective pins from a drag body on the mandrel. A slip cage on the mandrel houses slips for selectively engaging and disengaging the conduit. Manipulation of the mandrel at surface causes the pins to move within the one or more grooves on the mandrel and the drag body to move toward the slip retainer driving the slips outward to grip the conduit. Further pulling at surface maintains the set position. The anchor is unseta surface by releasing the pull, rotating the mandrel in the second direction, and pushing the mandrel to disengage the slips. | 2015-08-20 |
20150233200 | Wireline Cable For Use With Downhole Tractor Assemblies - A wireline cable includes an electrically conductive cable core for transmitting electrical power, an inner armor layer disposed around the cable core, and an outer armor layer disposed around the inner armor layer, wherein a torque on the cable is balanced by providing the outer armor layer with a predetermined amount of coverage less than an entire circumference of the inner armor layer, or by providing the outer armor layer and the inner armor layer with a substantially zero lay angle. | 2015-08-20 |
20150233201 | CORING TOOLS WITH IMPROVED RELIABILITY DURING CORE JAMS, AND RELATED METHODS - An inner barrel assembly for use with a coring tool may include a sleeve located coaxially within an inner barrel in a telescoping manner. The core barrel assembly may also include a cap located above a top end of the sleeve when the inner barrel assembly is in an initial coring position. The cap may include a skirt having a portion extending downwardly from the cap. A coring tool including an inner barrel assembly and methods of forming an inner barrel assembly are also disclosed. | 2015-08-20 |
20150233202 | RISER DISCONNECT PACKAGE FOR LOWER MARINE RISER PACKAGE, AND ANNULAR-RELEASE FLEX-JOINT ASSEMBLIES - A riser disconnect/reconnect system having a disconnection package (RDP) and a modified lower marine riser package (LMRP) are provided for quick disconnection of the marine drilling riser (MDR) from the LMRP to facilitate access to the LMRP or BOP stack. The RDP includes a flex joint and a hydraulically-actuated release connector (RC) with a connecting mandrel that engages a modified LMRP. In an emergency event, the RDP is disconnected from the LMRP allowing access to the BOP stack for intervention. The RDP may be disconnected from the LMRP for recovery of the LMRP or BOP stack to the surface for repair or maintenance without recovering the MDR. The RC joins the flex joint to the uppermost annular blowout preventer in the LMRP. The release connector can be used in a standard or inverted position. Also provided are structural cages with complementary stab plates allowing access to various bypass ports and controls. | 2015-08-20 |
20150233203 | Multiple Channel Rotary Electrical Connector - A multiple channel rotary electrical connector can include multiple first contacts which are radially spaced apart from each other, and multiple second contacts which electrically contact respective ones of the first contacts while there is relative rotation between the first and second contacts. The second contacts may be radially spaced apart from each other. A well tool can include one section which rotates relative to another section of the well tool, and a multiple channel rotary electrical connector which includes multiple annular-shaped contacts that rotate relative to each other. A method of operating a well tool in a subterranean well can include producing relative rotation between sections of the well tool, and communicating multiple channels of electrical signals between the sections while there is relative rotation between the sections. The communicating can include electrically contacting multiple annular-shaped contacts with each other. | 2015-08-20 |
20150233204 | TUBING HANGER - A tubing hanger and system for landing a tubing hanger in a tubing head of a wellhead with full well containment. The tubing hanger includes a cylindrical housing with a production port and a penetrator port, each extending through the cylindrical housing and each offset from a center axis of the cylindrical housing. The tubing hanger can land production tubing within a tubing head of a well head with a ratio of outer diameters of the production tubing to the tubing hanger of about 0.50. | 2015-08-20 |
20150233205 | Pumping Fluid To Seal A Subterranean Fracture - The disclosure teaches a method of sealing fractures in a wellbore wherein the steps comprise pumping a first sealing fluid into a wellbore under pressure, monitoring the hydraulic pressure of the sealing fluid in the wellbore for an indicator of seal initialization, stopping the pumping of fluid into the wellbore, monitoring the hydraulic pressure of the sealing fluid in the wellbore, and pumping a second sealing fluid into the wellbore. The disclosure also includes the method wherein the concentration of sealing materials in the first fluid is greater than the concentration of sealing materials in the second fluid and the method wherein the first sealing fluid contains a higher concentration of larger diameter sealing materials than the second sealing fluid. The disclosure also includes a method wherein the pumping rate change between the first pumping of sealing fluid and the pumping of the second sealing fluid. The first and second sealing fluids can be the same. The sealing materials of a sealing fluid are selected such that some of the sealing materials are larger than an estimated original fracture size. | 2015-08-20 |
20150233206 | CASING, PROCESS OF FORMATION OF CASING IN BOREHOLES BY ADDITIVE METHOD AND DEVICE FOR ITS FORMATION - The invention lies in the gradual treatment of rocks vapours in a mixture of carrier and cooling gases and their gradual applying in layers which are forming a casing on walls of a borehole. The invention includes the adjustments of various quantities and types of additives in the layers and the additive method applied materials by their autonomous self-cooling without the need for external coolant by heat exchange between materials in various layers, where it forms the casing on the walls of the borehole. It describes functional parts and their interconnection: arrangement of cooling parts, separators, accelerating and mixing elements, mechanisms for their adjustments which allow forming the casing on the walls of the borehole with the possibility to influence the resulting characteristics of the casing according to demands and functional requirements in the place of the borehole. | 2015-08-20 |
20150233207 | FLOW ROUTER WITH RETRIEVABLE VALVE ASSEMBLY - Embodiments of the present invention provide a flow router including a retrievable assembly and a perforated cover, the retrievable assembly including a bypass valve. | 2015-08-20 |
20150233208 | Downhole Tools, Systems and Methods of Using - A downhole tool comprising a nested sleeve preventing fluid communication between the interior of the tool and the exterior of the tool is provided. The downhole tool is actuated when fluid pressure is communicated from the interior of the tool to a first surface the nested sleeve, moving the nested sleeve such that it no longer prevents fluid communication from the interior to the exterior. Devices and methods for controlling the flow of fluid to the first surface of the nested sleeve are provided including fluid control devices such as burst disks, indexing sleeves and ratchet assemblies. In certain embodiments, the nested sleeve may be engaged with a slot system such that the nested sleeve moves along a path defined by such slot until the tool is actuated. | 2015-08-20 |
20150233209 | CONTROL LINE DAMPER FOR VALVES - A downhole tool actuation system comprises a control line in fluid communication with a control fluid source, a first piston assembly comprising a first surface in fluid communication with the control line, and a damper piston assembly comprising a second surface in fluid communication with the first surface. The first piston assembly is configured to actuate the downhole tool. | 2015-08-20 |
20150233210 | RECLOSABLE SLEEVE ASSEMBLY AND METHODS FOR ISOLATING HYDROCARBON PRODUCTION - Disclosed is reclosable sleeve assembly including a housing defining one or more flow ports that provide fluid communication between a wellbore annulus and an interior of the housing, an outer sleeve arranged within the housing and movable between a closed position, where the outer sleeve occludes the one or more flow ports, and an open position, where the one or more flow ports are exposed, and an inner sleeve concentrically arranged within the outer sleeve and defining a plurality of flow slots, the inner sleeve being movable between an open position and a closed position where, when in the open position, the plurality of flow slots are axially aligned with the one or more flow ports. | 2015-08-20 |
20150233211 | CABLE-BASED WELL HEATER - A resistive cable-based well heater for providing heat to an oil or gas bearing formation includes a length of coiled tubing having a sealed down-hole end and an open-ended cable support adapter attached to the up-hole end of the coiled tubing. A bundle of cables is contained within the coiled tubing. The cables extend from the upper opening of the adapter and have free upper ends. A wedging tube is placed in the open end of the adapter to support the cables against the interior sidewall of the adapter when the well heater is deployed in a well. The wedging tube has an inner surface shaped to conform to the shape of one or more of the cables and an outer surface configured for weight bearing frictional contact with the inner sidewall of the cable support adapter. | 2015-08-20 |
20150233212 | VALVE MECHANISM HAVING TOOL TRAP - The present invention discloses a novel Tool Trap that in at least some embodiments can provide means for debris to fall over a Gate into a peripheral Sump and means to move a Gate laterally from a Center Tube to clear debris from the Center Tube that might restrict the Gate from rotating between an open position and a closed position. | 2015-08-20 |
20150233213 | POWER INTEGRATED SYSTEM AND METHOD FOR DRILLING RIG AND OIL/GAS PRODUCTION EQUIPMENT - A power integrated system includes a gas storage unit, a gas driven generator, a power bus, a drilling rig, oil/gas production equipment, and a gas reformer. The gas storage unit is used for storing natural gas. The gas driven generator is used for generating electric power based on the stored natural gas. The power bus is used for receiving the electric power generated by the gas driven generator. The drilling rig is used for being driven by the electric power from the power bus. The oil/gas production equipment is used for being driven by the electric power from the power bus and for generating associated gas. The gas reformer is used for reforming the associated gas and supplying the reformed gas to the gas storage unit. | 2015-08-20 |
20150233214 | WELL PLACEMENT AND FRACTURE DESIGN OPTIMIZATION SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT - A well design system that utilizes geological characteristics and fracture growth behavior along of a vertical stratigraphic column of the formation in order to optimize well placement and fracture stimulation designs for the entire formation. | 2015-08-20 |
20150233215 | Wellbore Apparatus and Method for Sand Control Using Gravel Reserve - A method for completing a wellbore in a subsurface formation includes providing a sand screen assembly representing one or more joints of sand screen, joint assembly, and packer assembly. The packer assembly has at least one mechanically-set packer with at least one alternate flow channel. The sand screen assembly and joint assembly also each have transport conduits for carrying gravel slurry, and packing conduits for delivering gravel slurry. The method also includes running the sand screen assembly, connected joint assembly and packer assembly into the wellbore, and setting a sealing element of the packer assembly into engagement with the surrounding wellbore. Thereafter, the method includes injecting gravel slurry into the wellbore to form a gravel pack such that a reserve of gravel packing material is placed above the sand screen assembly. A wellbore completion apparatus is also provided that allows for placement of the gravel reserve. | 2015-08-20 |
20150233216 | Shunt Tube Connections for Wellscreen Assembly - A well screen assembly has a base pipe and one or more screen sections attached to the outer surface of the base pipe. The assembly also has one or more shunt tubes attached to the base pipe via top and bottom rings. The shunt tubes can be attached to the screen sections via B-rings and may be transport tubes or packing tubes. Connections are used for securing a jumper tube to adjoining shunt tubes of adjoining screen sections of the wellscreen assembly, which may be used in open or cased holes. At a well site, the joints of the wellscreens have timed threads so that the various shunt tubes can be aligned with one another along the assembly as the joints are made up. The connections of the present disclosure allow operators to install a jumper tubes between shunt tubes at the joint without needing to tighten fasteners or assembly components. | 2015-08-20 |
20150233217 | COMBINED PERFORATING AND FRACKING TOOL - A combined perforating and fracking tool, and method for using same, for perforating a hydrocarbon well casing and for subsequently fracturing the formation while maintaining the tool in situ. The combined perforating and fracking tool comprises, in a preferred embodiment, a series of connected cylinders arranged to be disposed in a well casing, each of the cylinders comprising a cooperating piston whereby a magnification of hydraulic force is generated. The series of pistons operate to actuate a punch assembly disposed at a downhole end of the series of connected cylinders to perforate the casing. A fluid injection port, in operation with at least one sealing member disposed at each end of the series of connected cylinders, allows fluid to be diverted into the formation through the perforations created in the well casing to induce fracturing in the formation. | 2015-08-20 |
20150233218 | Hydraulic Cutting Tool, System and Method for Controlled Hydraulic Cutting Through a Pipe Wall in a Well - A hydraulic cutting tool, a system, and a method are for hydraulic cutting through a pipe wall of a pipe body. For this purpose, the cutting tool is provided with at least one cutting section comprising at least one fluid discharge body. Each such fluid discharge body comprises at least two outwardly directed discharge openings having non-parallel discharge directions directed at a common intersection point located outside the fluid discharge body. The cutting is carried out by means of an abrasive fluid being supplied, via a flow-through pipe string, to the at least one fluid discharge body from a remote location. Thereby, abrasive cutting jets will discharge at high velocity from the fluid discharge body so as to meet and disperse in the intersection point, thus weakening the further cutting ability of the cutting jets. | 2015-08-20 |
20150233219 | Shaped Charge Tubing Cutter - A shaped charge pipe cutter is constructed with the cutter explosive material packed intimately around an axially elongated void space that is continued through a heavy wall boss portion of the upper thrust disc. The boss wall is continued to within a critical initiation distance of a half-cuter junction plane. An explosive detonator is positioned along the void space axis proximate of the outer plane of the upper thrust disc. Geometric configurations of the charge thrust disc and end-plate concentrate the detonation energy at the critical initiation zone. | 2015-08-20 |
20150233220 | GAS LIFT VALVE - A gas lift valve is provided with increased longevity and reliability for preventing backflow. A wide cylindrical sliding member stabilizes axial movement of a valve element in the gas lift valve. A wide spring around the sliding member biases the valve element toward closure during back flow. The spring is physically supported and guided by the sliding member and protected from gas flow injection by the same sliding member. A one-piece poppet version of the valve element provides a consistent closing seal, and the sliding member protects the valve seat and poppet from full force of an injected gas. A dart version of the valve element includes a hexagonal race for movement of the sliding member, which prevents rotational wear of components and provides a straight flow path for the injection gas with no sharp transitions to wear and no sharp angles to erode. | 2015-08-20 |
20150233221 | Hydraulic Powered Downhole Pump - A hydraulically powered downhole jet pump is designed to provide greater flexibility in operations of wells producing oil, gas and/or water. The pump consists of a housing and a carrier assembly. The housing is attached to an inner threaded tubular member and run inside the well casing to a depth as required for optimal operations. The one piece carrier assembly is inserted and seals into the housing with proper orientation of the carrier assembly outlet ports with the housing outlet ports resulting from the combination of a helically or tapered cut guide on the exterior of the carrier assembly and an inward positioned pin in the housing. | 2015-08-20 |
20150233222 | ENHANCED OIL RECOVERY PROCESS TO INJECT LOW SALINITY WATER AND GAS IN CARBONATE RESERVOIRS - The present invention relates to a method to enhance oil recovery from a hydrocarbon reservoir. One aspect of the invention includes injecting high salinity water into the reservoir followed by alternating the injection of low salinity water and gas. | 2015-08-20 |
20150233223 | ENHANCED OIL RECOVERY PROCESS TO INJECT SURFACTANT-AUGMENTED LOW-SALINITY WATER IN OIL-WET CARBONATE RESERVOIRS - The present invention relates to a method to enhance oil recovery from a hydrocarbon reservoir. One aspect of the invention includes injecting low salinity water into the reservoir followed by the injection of a surfactant diluted in low salinity water, and alternating the injections of the low salinity water and the surfactant diluted in the low salinity water. The invention improves the effectiveness of the surfactant by reducing the salinity of the reservoir by injecting low-salinity water into the reservoir. | 2015-08-20 |
20150233224 | SYSTEM AND METHOD FOR ENHANCING OIL RECOVERY FROM A SUBTERRANEAN RESERVOIR - A system and method is disclosed for enhancing the distribution of an enhanced oil recovery fluid utilizing electrokinetic-induced migration for enhancing oil recovery from a subterranean reservoir. An enhanced oil recovery fluid is injected into the hydrocarbon bearing zone through the injection well. An electric field is generated through at least a portion of the hydrocarbon bearing zone to induce electrokinetic migration of the enhanced oil recovery fluid. Electrokinetic induced migration allows for the enhanced oil recovery fluid to contact portions of the reservoir that previously were unswept, which as a result enhances recovery of hydrocarbons through the production well. | 2015-08-20 |
20150233225 | System, Method and Apparatus for Creating an Electrical Glow Discharge - The present invention provides system, method and apparatus for creating an electric glow discharge that includes a first and second electrically conductive screens having substantially equidistant a gap between them, one or more insulators attached to the electrically conductive screens, and a non-conductive granular material disposed within the gap. The electric glow discharge is created whenever: (a) the first electrically conductive screen is connected to an electrical power source such that it is a cathode, the second electrically conductive screen is connected to the electrical power supply such that it is an anode, and the electrically conductive fluid is introduced into the gap, or (b) both electrically conductive screens are connected to the electrical power supply such they are the cathode, and the electrically conductive fluid is introduced between both electrically conductive screens and an external anode connected to the electrical power supply. | 2015-08-20 |
20150233226 | METHOD FOR PROVIDING MULTIPLE FRACTURES IN A FORMATION - The invention includes providing a propped hydraulic fractures in a subterranean formation including the steps of: injecting a fracturing fluid into the subterranean formation at a pressure sufficient to initiate and propagate at least one hydraulic fracture wherein the fracturing fluid comprises a proppant; when the at least one hydraulic fracture has reached a target size, adding to the fracturing fluid a predetermined amount of a diverter material wherein the diverter material comprises material having a specified size distribution, and comprising a material that degrades at conditions of the subterranean formation, the diverter material effective to essentially block flow of fracturing fluid into the at least one fracture; and continuing to inject fracturing fluid at a pressure effective to initiate at least one additional fracture within the subterranean formation. | 2015-08-20 |
20150233227 | SYSTEM AND A METHOD FOR SEPARATING LIQUID AND GAS FLOWING THROUGH A MULTIPHASE PIPELINE - A system for separating liquid and gas flowing through a multiphase pipeline, said system comprising: A riser ( | 2015-08-20 |
20150233228 | FLUID HOMOGENIZER SYSTEM FOR GAS SEGREGATED LIQUID HYDROCARBON WELLS AND METHOD OF HOMOGENIZING LIQUIDS PRODUCED BY SUCH WELLS - A system and method for improving the flow characteristics of gaseous slug-laden liquid hydrocarbon wells, particularly from horizontal, of similar boreholes. The invention provides a system and method which essentially homogenizes the liquid and the gas, utilizing a unique flow tube arrangement and a sequence of steps by first breaking up and separating the slugged gas from the liquid at a first location, and then gathering it into holding location—i.e., an annulus section—where it is re-introduced in controlled amounts into the liquid downstream of the first location. The gas is re-introduced into the liquid flow in such pre-determined and controlled quantities as to promote better pressure and flow characteristics of the hydrocarbon liquid product. Various alternative gas/liquid separation devices are incorporated into the system of the invention, which devices may be located either in a vertical wellbore or a horizontal wellbore, depending upon the particular well characteristics. Optionally, an electric submersible pump may be incorporated where needed to assist the mixed production flow toward surface. A compressor may optionally be provided in the gaseous holding location, where needed. An apparatus for homogenizing production fluid from an oil well having one or more horizontal bores is also disclosed. | 2015-08-20 |
20150233229 | SYSTEM AND METHOD FOR CONTROLLING A DRILLING PATH BASED ON DRIFT ESTIMATES - A method includes receiving toolface information corresponding to a location of the bottom hole assembly (BHA) with respect to a target drilling path and drift information. The surface steerable system calculates a first toolface vector from a first location of the BHA to the target drilling path to create a convergence path to the target drilling path and calculates an adjustment of the first toolface vector to a second toolface vector to account for system drift defined by the drift information such that the BHA will converge with the target drilling path by drilling in accordance with the second toolface vector. The surface steerable system modifies at least one drilling parameter to alter a drilling direction of the BHA based on the calculated second toolface vector and transmits the at least one drilling parameter to the drilling rig to target the BHA in accordance with the second toolface vector. | 2015-08-20 |
20150233230 | BOREHOLE INSPECTING AND TESTING DEVICE AND METHOD OF USING THE SAME - A borehole inspection device and method of using the same to measure the condition of the bottom extent of a borehole, the system having a head unit assembly with top and bottom sides and including at least one downwardly extending force sensor configured to measure a reaction force applied to the at least one sensor as it engages a bottom extent of the borehole, the inspection device being configured to be lowered into a borehole and to bring the sensor(s) into contact with the bottom extent wherein continued downward movement of the head unit creates the reaction force on the sensor(s) to determine at least one of a location of an associated debris layer, a bearing capacity of the associated debris layer, the thickness of the associated debris layer, the location of an associated bearing layer and/or the bearing capacity of the associated bearing layer. | 2015-08-20 |
20150233231 | VIBRATION DETECTION IN A DRILL STRING BASED ON MULTI-POSITIONED SENSORS - In some example embodiments, a system includes a drill string having a drill bit. The drill string extends through at least part of a well bore. The system also includes a first vibrational sensor, positioned on the drill bit to measure, at a first location on the drill string, an amplitude of one or more of an axial vibration and a lateral vibration. The system also includes a second vibrational sensor, positioned above the drill bit and on the drill string. The second vibration sensor is to measure, at a second location on the drill string, one or more of an axial vibration and a lateral vibration. The system includes a processor unit to determine a type of vibration based on a comparison of the amplitude at the first location to the amplitude at the second location, wherein the type of vibration is at least one of bit whirl of the drill bit and a while of a bottom hole assembly that is part of the drill string. | 2015-08-20 |
20150233232 | VIBRATION DETECTION IN A DRILL STRING BASED ON MULTI-POSITIONED SENSORS - In some example embodiments, a system includes a drill string having a drill bit. The drill string extends through at least part of a well bore. The system also includes a first vibrational sensor, positioned on the drill bit to measure, at a first location on the drill string, an amplitude of one or more of an axial vibration and a lateral vibration. The system also includes a second vibrational sensor, positioned above the drill bit and on the drill string. The second vibration sensor is to measure, at a second location on the drill string, one or more of an axial vibration and a lateral vibration. The system includes a processor unit to determine a type of vibration based on a comparison of the amplitude at the first location to the amplitude at the second location, wherein the type of vibration is at least one of bit whirl of the drill bit and a while of a bottom hole assembly that is part of the drill string. | 2015-08-20 |
20150233233 | MEASURING BEHIND CASING HYDRAULIC CONDUCTIVITY BETWEEN RESERVOIR LAYERS - A measure of the hydraulic conductivity, F | 2015-08-20 |
20150233234 | Methods and Apparatus to Detect Fluid Distributions - A disclosed example method involves receiving a first signal transmitted into a reservoir from a production installation in a formation at a wellsite, and determining an apparent resistance of the reservoir based on the first signal. A distance between a fluid extraction tool and a fluid distribution is determined based on the apparent resistance. | 2015-08-20 |
20150233235 | SYSTEM AND METHOD FOR OILFIELD MANAGEMENT - The present invention relates to an oilfield management system. The oilfield management system comprises: one or more devices for measuring working conditions of oil wells, the one or more devices for measuring working conditions of oil wells are installed on one or more oil wells respectively for measuring working conditions of the one or more oil wells, the working conditions of oil wells at least comprise indicator diagrams of oil wells; one or more remote transmission units, each of the remote transmission units receives the working conditions measured by one or more of the devices for measuring working conditions of oil wells; and server, which determines running status of the one or more oil wells according to the working conditions of oil wells from the one or more remote transmission units; maintenance staff or administrators manage the one or more oil wells according to the running status of the one or more oil wells. The present invention can collect indicator diagrams of an oil well on a regular basis, detect ON/OFF status of an oil well in real time, and realize the calculation of liquid production capacity via indicator diagrams and efficient and elaborate management of working conditions of oil wells. | 2015-08-20 |
20150233236 | OPTICAL FIBER DISTRIBUTED SENSORS WITH IMPROVED DYNAMIC RANGE - An apparatus for sensing acoustic waves below a surface of the earth includes an optical fiber disposed below the surface of the earth and having a series of sensing units along the optical fiber with each sensing unit having three or more reflectors and an optical interrogator in optical communication with the optical fiber. The reflectors in each sensing unit are positioned to provide a linearized response that approximates a sawtooth wave better than a sinusoidal wave to sense the acoustic waves in a desired dynamic range. The optical interrogator is configured to transmit an input light signal into the optical fiber and receive a reflected light signal from the optical fiber due to the input light signal in order to measure a strain on each sensing unit due to interaction with the acoustic waves and to determine a location of the sensing unit corresponding to the sensed strain. | 2015-08-20 |
20150233237 | FLUID PRESSURE PULSE GENERATOR AND METHOD OF USING SAME - A fluid pressure pulse generator comprising a stator and rotor that can be used in measurement while drilling using mud pulse or pressure pulse telemetry is disclosed. The stator comprises a stator body with a circular opening therethrough and the rotor comprises a circular rotor body rotatably received in the circular opening of the stator body. One of the stator body or the rotor body comprises one or more than one fluid opening for flow of fluid therethrough and the other of the stator body or the rotor body comprises one or more than one full flow chamber. The rotor is rotatable between a full flow configuration whereby the full flow chamber and the fluid opening align so that fluid flows from the full flow chamber through the fluid opening, and a reduced flow configuration whereby the full flow chamber and the fluid opening are not aligned. The flow of fluid through the fluid opening in the reduced flow configuration is less than the flow of fluid through the fluid opening in the full flow configuration thereby generating a fluid pressure pulse. | 2015-08-20 |
20150233238 | FLUID PRESSURE PULSE GENERATOR AND METHOD OF USING SAME - A fluid pressure pulse generator comprising a stator and rotor that can be used in measurement while drilling using mud pulse or pressure pulse telemetry is disclosed. The stator comprises a stator body with a circular opening therethrough and the rotor comprises a circular rotor body rotatably received in the circular opening of the stator body. One of the stator body or the rotor body comprises one or more than one fluid opening for flow of fluid therethrough and the other of the stator body or the rotor body comprises one or more than one full flow chamber. The rotor is rotatable between a full flow configuration whereby the full flow chamber and the fluid opening align so that fluid flows from the full flow chamber through the fluid opening, and a reduced flow configuration whereby the full flow chamber and the fluid opening are not aligned. The flow of fluid through the fluid opening in the reduced flow configuration is less than the flow of fluid through the fluid opening in the full flow configuration thereby generating a fluid pressure pulse. | 2015-08-20 |
20150233239 | Methods For Interpretation Of Downhole Flow Measurement During Wellbore Treatments - A method for determining a flow distribution in a formation having a wellbore formed therein comprises the steps of positioning a bottomhole assembly in a wellbore, the assembly including an injection port for dispensing a fluid, a first sensor disposed upwell from the injection port, and a second sensor disposed downwell from the injection port, wherein each of the sensors generates a feedback signal representing a flow rate of the fluid in a portion of the wellbore, determining an approximate depth of a portion of the bottomhole assembly in the wellbore, generating a data model based upon an instruction set, the data model representing flow characteristics of the fluid in the wellbore, wherein the data model is derived from the feedback signal and the approximate depth of the injection port, and analyzing the data model based upon an instruction set to extrapolate a characteristic of the formation. | 2015-08-20 |
20150233240 | CARBON-BASED FLUORESCENT TRACERS AS OIL RESERVOIR NANO-AGENTS - The present invention relates to carbon-based fluorescent nano-agent tracers for analysis of oil reservoirs. The carbon-based fluorescent nano-agents may be used in the analysis of the porosity of a formation. The nanoagents are suitable for injection into a petroleum reservoir and may be recovered from the reservoir for the determination of hydrocarbon flow rates and retention times. | 2015-08-20 |
20150233241 | ENERGY HARVESTING SYSTEM FOR REMOTE MONITORING DEVICES - A system may include a thermoelectric device that may convert heat energy into electrical energy. The system may also include a pipeline interface that may be disposed on a pipeline, such that the heat energy dissipated from the pipeline is thermally conducted to the thermoelectric device via the pipeline interface. The system may also include a monitoring system that may include one or more sensors that may measure one or more properties associated with an oilfield component. The monitoring system may receive the electrical energy from the thermoelectric device. | 2015-08-20 |
20150233242 | COMPREHENSIVE ADVANCED GEOLOGICAL DETECTION SYSTEM CARRIED ON TUNNEL BORING MACHINE - The present invention presents a comprehensive advanced geological detection system carried on a tunnel boring machine. The comprehensive advanced geological detection system includes a multifunctional combination main frame, an induced polarization detection device, a seismic wave detection device, an integrated junction device, a borehole ground penetrating radar detection device and a comprehensive interpretation and decision system; the multifunctional combination main frame includes a time division multiplexing control module, an excitation source control module and a parallel data acquisition module; the excitation source control module outputs trigger signals to the three detection devices respectively, and the three detection devices respectively output measurement data and feedback signals to the time division multiplexing control module through the parallel data acquisition module; and the comprehensive interpretation and decision system supports geological interpretations and decisions through the inversion/migration imaging joint inversion of three detection methods. | 2015-08-20 |
20150233243 | METHOD AND DEVICE FOR TRANSPORTING OVERBURDEN AWAY DURING TUNNELLING - A method and device for transporting overburden away during tunneling includes a seal that separates a first portion and a second portion of a transporting screw arrangement. As a result, in open tunneling or in earth-pressure-assisted tunneling, when the seal is closed, overburden can be transported out of a first opening, arranged ahead of the seal in the direction of removal and, in fluid-assisted tunneling, when the first opening is closed and the seal is open, the overburden can be transported into the second portion. | 2015-08-20 |
20150233244 | ROCK BOLT - A rock bolt has a rectangular blade, which can pierce and shred a flexible housing, extending from cross-shaped mixing formations at one end of an elongate rod. | 2015-08-20 |
20150233245 | AUTOMATIC WATERING OF WORKSITE - A method for automatic watering of a zone on a worksite by a watering truck is provided. The method includes identifying a boundary of the zone on the worksite. The method further includes determining a position and heading of the watering truck on the worksite. The method further includes detecting if the position and the heading of the watering truck on the worksite is such that the watering truck is within the identified boundary of the zone. The method also includes selectively triggering one or more spray heads of the watering truck based, at least in part, on the detection. | 2015-08-20 |
20150233246 | STEAM ENGINE ELECTRICITY PRODUCTION ASSEMBLY - The invention proposes an electricity producing assembly comprising a steam engine coupled to an electric generator ( | 2015-08-20 |
20150233247 | METHOD AND SYSTEM FOR GENERATING ENERGY DURING THE EXPANSION OF NATURAL PROCESS GAS - The present invention relates to a method for generating energy during the expansion of natural process gas (P) prior to the supply of said natural gas to an acetylene production plant (H), which method comprises the method steps: a) supplying the natural process gas (P) from a natural process gas supply line at a temperature of −10° C. and 50° C. and a pressure of 30 bar to 70 bar to a first heating stage (WT | 2015-08-20 |
20150233248 | TURBINE ASSEMBLY - A turbine including a rotor assembly having a head adapted for engagement with a body including a passage for receipt of a fluid the passage being in communication with a flow chamber formed between the head and body on engagement of head with the body wherein the flow chamber is shaped to produce a laminar flow of the fluid out a plurality of nozzles disposed in the head. | 2015-08-20 |
20150233249 | PROPELLER BLADE AND METHOD - A propeller blade includes an inner spar structure surrounding an inner spar foam core. Also included is a leading edge foam structure disposed proximate a leading edge of the inner spar structure. Further included is a trailing edge foam structure disposed proximate a trailing edge of the inner spar structure. Yet further included is an outer spar structure surrounding the inner spar structure, the leading edge foam structure and the trailing edge foam structure. Also included is a blade shell, a leading edge foam core located between the outer spar structure and the blade shell, and a trailing edge foam core located between the outer spar structure and the blade shell. | 2015-08-20 |
20150233250 | GAS TURBINE ENGINE AIRFOIL - An airfoil of a turbine engine includes, pressure and suction sides extending in a radial direction from a 0% span to a 100% span position. The airfoil has a relationship between a gap/chord ratio and span position that defines a curve with a gap/chord ratio of less than 0.80 from 80% span to 100% span. | 2015-08-20 |
20150233251 | GAS TURBINE ENGINE AIRFOIL - An airfoil for a turbine engine includes pressure and suction sides that extend in a radial direction from a 0% span position at an inner flow path location to a 100% span position at an airfoil tip. The airfoil has a relationship between a stacking offset and a span position that is at least a third order polynomial curve that includes at least one positive and negative slope. The positive slope crosses an initial axial stacking offset that corresponds to the 0% span position at a zero-crossing position. A first axial stacking offset X | 2015-08-20 |
20150233252 | GAS TURBINE ENGINE AIRFOIL - An airfoil of a turbine engine includes pressure and suction sides that extend in a radial direction from a 0% span position at an inner flow path location to a 100% span position at an airfoil tip. The airfoil has a relationship between a tangential stacking offset and a span position that is at least a third order polynomial curve that includes at least one positive and negative slope. The positive slope leans toward the suction side and the negative slope leans toward the pressure side. An initial slope starting at the 0% span position is either zero or positive. The first critical point is in the range of 5-15% span. | 2015-08-20 |
20150233253 | TURBINE BLADE - A turbine blade has a profile including a blade suction side line, a blade pressure side line, and a blade trailing edge positioned between the rear ends of the blade suction side and pressure sidelines. The blade trailing edge of the profile is formed by connecting a pressure side arc-like curve having a constant radius of curvature and extending from the rear end of the blade pressure side line toward the camber line of the profile, and a suction side line portion which extends from the rear end of the blade suction side line toward the camber line while passing through a region closer to the camber line than a symmetric curve portion which is line-symmetric to the pressure side arc-like curve with respect to the camber line. The suction side line portion is represented by curves constituting ellipses which constitute ellipses, and a straight line. | 2015-08-20 |
20150233254 | VENTED AIRFOIL ASSEMBLIES - An electrical energy generation system includes an electricity generator assembly from which a tensile line extends. The electricity generator assembly is configured to retract the tensile line and generate electricity upon extension of the tensile line. A vented airfoil assembly is attached to the tensile line. The vented airfoil assembly includes an airfoil through which at least one or more vent holes are defined. Each vent hole is entirely surrounded in surface perspective by the airfoil. A vent assembly is positioned in each vent hole. Each vent assembly has an open configuration in which the vent assembly permits airflow through the airfoil and a closed configuration in which the vent assembly restricts airflow through the airfoil. Each vent assembly is controllable such that the vented airfoil assembly constitutes a maneuverable kite. | 2015-08-20 |
20150233255 | POLYMER-COATED BLADE WITH ABRASIVE TIP - A blade includes an airfoil section extending between leading and trailing edges, first and second opposed sides each joining the leading and trailing edges, and an inner end and a free tip end. The airfoil section is formed of a metal-based material with a polymeric overcoat on at least one of the leading edge, trailing edge, first side and second side. The airfoil section includes an abrasive tip at the free tip end. The abrasive tip has a composition selected with respect to heat-induced delamination of the polymeric overcoat from frictional heat generated during rubbing of the abrasive tip. | 2015-08-20 |
20150233256 | NOVEL ARCHITECTURES FOR ULTRA LOW THERMAL CONDUCTIVITY THERMAL BARRIER COATINGS WITH IMPROVED EROSION AND IMPACT PROPERTIES - A thermal barrier coating system for metal components in a gas turbine engine having an ultra low thermal conductivity and high erosion resistance, comprising an oxidation-resistant bond coat formed from an aluminum rich material such as MCrAlY and a thermal insulating ceramic layer over the bond coat comprising a zirconium or hafnium oxide lattice structure (ZrO | 2015-08-20 |
20150233257 | METHOD OF WELDING EROSION RESISTANCE METALLIC MATERIAL AND TURBINE BLADE - A method of welding erosion resistance metallic material is a method of welding erosion resistance metallic material to a base element ( | 2015-08-20 |
20150233258 | TURBINE BUCKET AND METHOD FOR BALANCING A TIP SHROUD OF A TURBINE BUCKET - The present application and the resultant patent provide a turbine bucket for a gas turbine engine. The turbine bucket may include an airfoil, a tip shroud positioned radially outward from the airfoil, and a seal rail positioned radially outward from the tip shroud and extending in a generally tangential direction from a first end to a second end of the tip shroud. The seal rail may include a maximum axial thickness at a location positioned between the first end and the second end and offset from the airfoil in the generally tangential direction. The present application and the resultant patent further provide a gas turbine engine and a method for balancing a tip shroud of a turbine bucket of a gas turbine engine. | 2015-08-20 |
20150233259 | FAN BLADE TALL DOVETAIL FOR INDIVIDUALLY BLADED ROTORS - A blade has an airfoil extending radially outwardly of a dovetail. The dovetail has edges that will be at circumferential sides of the blade when the blade is mounted within a rotor. A bottom surface of the dovetail will be radially inward when the rotor blade is mounted in a rotor, and is formed such that a circumferentially central portion of the bottom surface is radially thicker than are circumferential edges. A fan and a gas turbine engine are also described. | 2015-08-20 |
20150233260 | WIND TURBINE BLADE WITH FASTENING MEANS - A wind turbine blade having a circular root portion and provided with root bushings for mounting the blade to a wind turbine hub is described. The root bushings comprise an elongated cross-sectional profile with a first dimension oriented along a radius of the circular root portion being larger than a second dimension oriented along a circumferential direction of the circular root section. | 2015-08-20 |
20150233261 | MACHINE CAVITY SEAL - There is disclosed a seal assembly ( | 2015-08-20 |
20150233262 | GAS TURBINE ENGINE - A fan containment system for fitment around an array of radially extending fan blades mounted on a hub in an axial gas turbine engine, including: a fan case having an annular casing element for encircling an array of fan blades and an annular fan track liner lining a radially inner side of the casing element, including a first fan track liner panel positioned circumferentially adjacent a second fan track liner panel. An engagement arrangement engages the first fan track liner panel to the second, extending along at least a portion of adjacent sides of the liner panels, and is configured and the liner panels are shaped such that axial movement of the first fan track liner panel by a distance less than the length of the engagement arrangement, being measured in a direction parallel to the adjacent sides of the liner panels, disengages the first liner panel from the second. | 2015-08-20 |
20150233263 | STAGE COMPRESSOR WATER WASH SYSTEM - A compressor wash system for compressor washing includes stages of fluid delivery lines coupled at one end to a pump output and at the other end to a corresponding nozzle set. A control valve is connected to the fluid delivery line between the pump and the nozzle set, selectively supplying fluid between the pump and the nozzle set. Each nozzle of a nozzle set is positioned on an inlet of the compressor to allow the stages to wash a portion of the compressor. Nozzle sets are positioned around a bellmouth assembly and/or around an inlet cone of the compressor inlet, with a nozzle spray tip of each nozzle extending into an inlet air flow path of the compressor. Fluid may be directed to one or more of the stages in a sequencing pattern determined and configured to wash the compressor. Templates and installation guides are utilized to position the nozzles. | 2015-08-20 |
20150233264 | RETENTION OF DAMPING MEDIA - An example method of assembling a particle damped gas turbine engine component according to an exemplary aspect of the present disclosure includes, among other things, holding damping media within a cavity of a gas turbine engine component using magnetic force. | 2015-08-20 |
20150233265 | INTEGRATED COOLING SYSTEM FOR A NACELLE OF A WIND TURBINE - The cooling system comprises a nacelle body, a heat exchanger mounted on an outer surface of the nacelle body, a generator having a stator with holes disposed close to the windings, a rectifier having liquid circulating heat sink, a rotor and a hub having a plurality of fins, a pump, one or more fans, and a plurality of pipes for carrying a coolant therethrough. | 2015-08-20 |
20150233266 | AIR INDEPENDENT PROPULSION AND POWER GENERATION SYSTEM BASED ON EXOTHERMIC REACTION SOURCED THERMAL CYCLE - An air independent propulsion and power generation system based on thermal cycle generated from continuous exothermic reaction cycle in a controlled volume space. An exothermic reactor utility for generating power by producing steam or overheating another heat transfer fluid in gas state for supplying a power turbine system in order to produce electrical energy or mechanical power. A controlled exothermic reaction is occurred by injecting exothermic agents into the reaction chambers of the invention in a controlled sequence and computed timing which gives out heat and enables the transfer of the exothermic reaction output heat to the fluid of the thermal cycle. The exothermic reaction cycle does not need atmospheric connection or air or oxygen. The invention provides option to use multiple chemical types independently at the same time in any of its reaction chambers. | 2015-08-20 |
20150233267 | LEVER-STYLE CAM FOLLOWER - A lever-style cam follower ( | 2015-08-20 |
20150233268 | VALVE TRAIN SYSTEM DRIVE DEVICE FOR AN INTERNAL COMBUSTION ENGINE, AND ENGINE INCORPORATING SAME - In an internal combustion engine having an idle gear that transmits power received from a crankshaft to valve train systems, an idle shaft that rotatably supports the idle gear, and an outer cover that covers a crankcase from a lateral side, a valve train system drive mechanism includes a crankcase-side boss part is formed on a sidewall of the crankcase, which supports one end of the idle shaft. The drive mechanism also includes a case-cover-side boss part that is formed on the outer cover and supports the other end of the idle shaft. A cover-side joint part and a shaft-side joint part are formed at the case-cover-side boss part and the other end of the idle shaft, respectively, and engagement of the joint parts with each other precludes the idle shaft from rotating. | 2015-08-20 |
20150233269 | CAM SHAFT PHASE SETTER COMPRISING A CONTROL VALVE FOR HYDRAULICALLY ADJUSTING THE PHASE POSITION OF A CAM SHAFT - A cam shaft phase setter for adjusting the rotational angular position of a cam shaft relative to a crankshaft of an internal combustion engine by means of a hydraulic fluid, the cam shaft phase setter including a stator which can be rotary-driven by the crankshaft; a pressure chamber for the fluid; a rotor which is connected, rotationally fixed, to the cam shaft and coupled to the stator such that torque is transmitted and which can be adjusted in its rotational angle relative to the stator by introducing the fluid into the pressure chamber; a control valve including a valve housing and a valve piston; the valve housing including a housing inlet, an operating port to the pressure chamber and a reservoir port to a reservoir for the fluid and being connected, rotationally fixed, to the cam shaft or being formed by the cam shaft; the valve piston being axially adjustable back and forth in the valve housing between a first position and a second position and including a piston feed which is connected to the housing inlet and is connected to the operating port in the first position of the valve piston and separated from the operating port in the second position of the valve piston; an actuating unit, coupled to the valve piston, for axially adjusting the valve piston; and a feedback through which fluid which flows through the valve housing can be fed back into an engine housing of the internal combustion engine which rotatably mounts the cam shaft; wherein the cam shaft phase setter is configured such that the fluid flowing through the control valve flows back into the engine housing through one or more components of the phase setter which rotate with the cam shaft. | 2015-08-20 |
20150233270 | DISK ROTARY VALVE HAVING OPPOSED ACTING FRONTS - A disk rotary valve assembly for reciprocating piston positive displacement machines, the disk rotary valve having a pair of oppositely arranged fronts, the forces on the pair of oppositely arranged fronts due to the high pressure inside the chamber cancel each other leaving the supports of the disk rotary valve unloaded and improving the sealing quality. | 2015-08-20 |
20150233271 | VARIABLE LIFT VALVE TRAIN OF AN INTERNAL COMBUSTION ENGINE - A method for operating an internal combustion engine with a sliding cam valve train that has a cam part ( | 2015-08-20 |
20150233272 | BI-DIRECTIONAL CONTROL GROOVE DESIGN FOR ENGINE ROTATION REVERSAL ON ENGINE WITH SLIDING CAMSHAFT - A camshaft assembly includes a camshaft rotatable about a cam axis, and a lobe pack slideably attached to the camshaft. The lobe pack includes a barrel cam that defines a control groove disposed annularly about the cam axis. When the camshaft and the lobe pack rotate about the cam axis in a first rotational direction, the control groove is shaped to react against either a first or second shifting pin, to guide the lobe pack along a first or third path respectively, into a first or second axial position respectively. When the camshaft and the lobe pack rotate about the cam axis in a second rotational direction, the control groove is shaped to react against the first and second shifting pins to guide the lobe pack along a second path, into the second axial position. | 2015-08-20 |
20150233273 | OIL PAN FOR INTERNAL COMBUSTION ENGINE - An oil pan for an internal combustion engine mounted on a vehicle provided with a pair of right and left side members provided so as to extend in a front-rear direction of the vehicle and a cross member provided so as to extend in a width direction of the vehicle and fixed to the pair of side members, the oil pan formed of an upper oil pan attached to a body of the internal combustion engine and including an opening in a bottom portion and a lower oil pan attached so as to cover the opening of the upper oil pan from below, including an overlapping portion situated above the cross member and overlapping the cross member. The lower oil pan is provided so as to be situated in front of or behind the overlapping portion so as to include the overlapping portion. | 2015-08-20 |
20150233274 | DEVICE FOR STORING AND DELIVERING AN AQUEOUS ADDITIVE - The invention relates to a device for storing and delivering an aqueous additive for catalytic exhaust-gas denitrogenization in a motor vehicle. The device comprises a storage vessel ( | 2015-08-20 |
20150233275 | Fuel Dispensing System with Heating Method - Embodiments of a heating system maintains the temperature of a fuel additive (e.g., AUS32) at and/or above freezing temperature to avoid crystallization. The heating system can form a fluid circuit with one or more coaxially arranged sleeves disposed about hoses that transport the additives. The fluid circuit can also include a central compartment that encloses a flow meter. A fluid heater couples with the fluid circuit to provide heating fluid, e.g., to the central compartment. The heating fluid disperses throughout the heating compartment and into the sleeves, thereby direction heating fluid in thermal proximity to the hoses and other components that handle the fuel additive. | 2015-08-20 |
20150233276 | MODULAR ASSEMBLY FOR AFTERTREATMENT SYSTEM - A modular assembly for an exhaust aftertreatment system is provided. The modular assembly includes an inlet portion. The modular assembly also includes a mixing element. The modular assembly further includes a first frusto-conical region diverging from the inlet portion. The modular assembly also includes a selective catalytic reduction assembly provided within a central portion of the housing. The selective catalytic reduction assembly includes a bank of catalysts. The modular assembly further includes a sound suppression element provided within the central portion of the housing and positioned downstream of the selective catalytic reduction assembly. The modular assembly includes a baffle arrangement provided within the central portion of the housing, the baffle arrangement includes a first baffle and a second baffle. The modular assembly also includes a second frusto-conical region converging from the central portion of the housing. The modular assembly further includes an outlet portion connected to the second frusto-conical region. | 2015-08-20 |
20150233277 | METHOD AND APPARATUS TO CONTROL REGENERATION OF A PARTICULATE FILTER - An internal combustion engine is fluidly coupled to an exhaust aftertreatment system including a particulate filter. A method for operating the internal combustion engine includes determining an expected boost pressure of an intake air compressor system in response to an output torque request, determining a deviation between an actual boost pressure and the expected boost pressure, determining a engine-out soot generation rate correction based upon the deviation between the actual boost pressure and the expected boost pressure, adjusting a steady-state engine-out soot generation rate using the engine-out soot generation rate correction, time-integrating the adjusted steady-state engine-out soot generation rate, and commanding regeneration of the particulate filter when the time-integrated adjusted engine-out soot generation rate exceeds a predetermined threshold. | 2015-08-20 |
20150233278 | WORK VEHICLE DISPLAY DEVICE AND WORK VEHICLE - A work vehicle display device included in a work vehicle including an internal-combustion engine that generates power and an exhaust gas processing device that processes exhaust gas discharged from the internal-combustion engine using urea water, the work vehicle display device includes: a display unit configured to display an image; and a display control unit configured to display either a first image or a second image different from the first image in the display unit, wherein the display control unit displays device information having a same content related to a state of the exhaust gas processing device in the first image and the second image. | 2015-08-20 |
20150233279 | CLOSED LOOP ELECTRONIC CONTROL FOR THE REDUCTION OF SOOT PRODUCED IN DIESEL, GASOLINE AND ALTERNATIVE-FUELED ENGINES - A system and method of reducing soot and/or improving the efficiency of a motor. The system and method regulates the supply of cooling oil to a cooling section of a cylinder based upon observed parameters. These parameters can include such things as engine temperature, load, rpm etc. The control can be provided by using a look up table. | 2015-08-20 |
20150233280 | MIXTURE-CHARGED GAS ENGINE AND METHOD FOR COMPENSATING FOR VOLUMETRIC EFFICIENCY DEVIATIONS IN A MIXTURE-CHARGED GAS ENGINE - A mixture-charged gas engine includes at least one cylinder. A combustion chamber delimited by a cylinder head, a cylinder wall, and a piston, which can be moved in the cylinder, is arranged in the at least one cylinder, and the combustion chamber is divided into a main combustion chamber and at least one pre-chamber fluidically connected to the main combustion chamber via at least one firing channel. An air-/combustion gas mixture can be supplied to the main combustion chamber via an inlet valve during an intake stroke of the piston. The mixture-charged gas engine is characterized in that a separate combustion gas supply is provided for the at least one pre-chamber. | 2015-08-20 |
20150233281 | Intake Manifold with Integrated Charge Air Cooler with Two Circuits - An intake device is provide for drawing in fresh gas and feeding the same to an internal combustion engine with internal combustion, wherein the intake device is suited for the formation of a fresh gas vortex in a combustion chamber of the internal combustion engine. The intake device includes a first manifold section, from which all first parts of fresh gas line groups branch off to a fresh gas outlet end, and a second manifold section, from which all second parts of the fresh gas line groups branch off to the fresh gas outlet end, which are fluidically separated from each other from the separation point to the fresh gas outlet end. A vortex throttle assembly is provided in a first manifold section and the amount throttle device is provided in the second manifold section. | 2015-08-20 |
20150233282 | DUAL-FUEL ENGINE SYSTEM WITH BACKPRESSURE CONTROL - An engine system is disclosed. The engine system may have an engine with a plurality of cylinders, and at least one injector associated with each of the plurality of cylinders and configured to inject liquid fuel and gaseous fuel. The engine system may also have a turbocharger driven by exhaust from the plurality of cylinders to pressurize a flow of air directed into the plurality of cylinders, and a valve disposed inline with the turbocharger and configured to selectively increase an exhaust backpressure. The engine system may further have a controller configured to selectively cause movement of the valve toward a flow-restricting position only when the at least one injector is injecting gaseous fuel. | 2015-08-20 |
20150233283 | EXHAUST FLOW VALVE FOR TWIN-SCROLL TURBINE AND OPERATING METHODS THEREOF - A supercharged engine and operating methods thereof are described for adjusting an extent of fluidic coupling between separate channels of a two-channel turbine. In one particular example, a longitudinally displaceable flow transfer valve is arranged for movement lateral to the exhaust airflow that provides coupling between the channels, a position of the flow transfer valve within a flow transfer duct controlling the extent of fluidic coupling in addition to the rate of exhaust-gas flow through a blow-off line that conducts airflow past a rotor of the two-channel turbine. In this way, the flow transfer valve according to the present disclosure advantageously allows for adjusting a mode of supercharging based on one or more engine conditions to control the extent of fluidic coupling using a simplified valve arrangement. | 2015-08-20 |
20150233284 | SYSTEM FOR DRIVING AT LEAST ONE COMPRESSOR, NOTABLY A COMBUSTION ENGINE SUPERCHARGER COMPRESSOR | 2015-08-20 |
20150233285 | PROCEDURE FOR OBTAINING AND CONTROLLING CLEAN ENERGY BY USING WATER, CONVERTING WATER INTO FUEL THROUGH EXTRACTION AND USE OF HYDROGEN AND RESPECTIVE MOLECULAR GAS EXPANSION EQUIPMENT - A procedure is provided for obtaining and controlling clean energy by using water, converting water into fuel through extraction and use of hydrogen and respective molecular gas expansion equipment, pertains to the field of application of energy generating processes and equipment, converting water into fuel by extracting hydrogen and oxidizer from water, driving them directly to an engine's combustion chamber, which process uses the water in the form in which it is found, breaking molecules and separating oxygen from hydrogen, where the breaking and separating step is refined and expanded in real-time, converting water to fuel for immediate burn. | 2015-08-20 |
20150233286 | COMPOUND ENGINE SYSTEM WITH ROTARY ENGINE - A compound engine system comprising a Wankel engine having a recess defined in the peripheral wall of the rotor in each of the three rotating chambers, the recess having a volume of more than 5% of the displacement volume of the chambers. The expansion in the turbine section compensates for the relatively low expansion ratio of the rotary engine. | 2015-08-20 |
20150233287 | BELT PULLEY ARRANGEMENT FOR A BELT DRIVE FOR DRIVING AUXILIARY UNITS OF A MOTOR VEHICLE AND METHOD FOR DRIVING AN AUXILIARY UNIT OF A MOTOR VEHICLE CONNECTED VIA A BELT PULLEY ARRANGEMENT - A belt pulley arrangement for a belt drive to drive auxiliary units of a motor vehicle, having a belt pulley for introducing a torque that can be provided via a flexible drive means, an output shaft for driving an auxiliary unit, in particular a cooling water pump, and an electric machine for the transmission of torque between the belt pulley and the output shaft, wherein the electric machine has a rotor connected to the belt pulley and a stator connected to the output shaft. As a result of the power flow between the belt pulley and the output shaft, which can be influenced by the electric machine, it is not necessary to design the auxiliary unit that is attached via the output shaft for the least beneficial operating point, so that the auxiliary unit can be dimensioned smaller and a reduction in the installation space for motor vehicle components, in particular the installation space for auxiliary units of a motor vehicle that can be driven via the belt drive, is made possible. | 2015-08-20 |
20150233288 | CONNECTING ROD AND INTERNAL COMBUSTION ENGINE - A connecting rod ( | 2015-08-20 |
20150233289 | VALVE FAULT DETECTION - Methods and systems are described for detecting valve actuation faults in internal combustion engines operating in a skip fire operational mode. In one aspect, a torque model is used to estimate an expected net torque during a selected operating window. The torque model considers an expected torque contribution from each of the cylinders and accounts for the effects of specific skip fire firing decisions that affect the expected torque contribution from each cylinder. A parameter indicative of the actual engine torque is also measured. Valve actuation faults can then be identified based at least in part on a comparison of the measured parameter to an expected parameter value that is based at least in part on the expected net torque. With the described approaches, the occurrence of the valve actuation fault can be made within one engine cycle of the initial occurrence of the fault. | 2015-08-20 |
20150233290 | PROCESS FOR PRODUCING HYDROGEN AND GENERATING POWER - A process for producing hydrogen and power comprises subjecting a gaseous hydrocarbon feedstock to an endothermic steam reforming reaction by contacting the feedstock, in a reaction zone, in the presence of steam, with catalyst to obtain a mixture comprising hydrogen and carbon monoxide; recovering hydrogen from the mixture; feeding fuel and oxidant to a turbine system comprising a compressor, combustion chamber and expansion turbine, wherein the compressor is coupled to the turbine, the oxidant is compressed in the compressor to obtain compressed oxidant, and the fuel is combusted with the compressed oxidant in the chamber to obtain a stream of combusted gas; feeding at least part of the stream to the turbine to generate power and to obtain a turbine flue gas; and providing heat for the reforming reaction from the combusted gas and/or the flue gas; and liquefaction of the recovered hydrogen by subjecting it to a liquefaction cycle. | 2015-08-20 |
20150233291 | TURBOJET COMPRISING A BLEEDING SYSTEM FOR BLEEDING AIR IN SAID TURBOJET - A turbojet comprising a high-pressure compressor with several compression stages in which the pressure rises in a direction of air flow, from a low pressure to a high pressure, passing through intermediate pressures, and a system to bleed air in the turbojet and deliver the air to an air system. The bleeding system comprises a first air intake to bleed air at low pressure, a second air intake to bleed air at an intermediate pressure, a first valve and a second valve having inlets connected to the first air intake, a compressor having an inlet connected to the second valve outlet, a high-pressure valve connected to the second air intake, and a control valve connected to the air system, and a controller to control the opening and closing of the valves depending on the pressures at the first and second air intakes. | 2015-08-20 |
20150233292 | TURBOJET COMPRISING A BLEEDING SYSTEM FOR BLEEDING AIR IN SAID TURBOJET - A turbojet comprising a low-pressure compressor, a high-pressure compressor and a bleeding system configured to bleed air in the turbojet and to deliver the air to an air system. The bleeding system comprises a first air intake configured to bleed air at low pressure, a second air intake configured to bleed air at high pressure, a first valve and a second valve having inlets connected to the first air intake, a compressor having an inlet connected to an outlet of the second valve, a high-pressure valve connected to the second air intake, a control valve connected to the air system, and a controller to control opening and closing of the valves depending on a pressure at the first air intake. | 2015-08-20 |
20150233293 | ANNULAR SPRING FOR A BEARING ASSEMBLY OF A GAS TURBINE ENGINE - An annular spring for a bearing assembly of gas turbine engine is provided. The annular spring includes a multiple of ligaments between an inner support and an outer support. | 2015-08-20 |
20150233294 | HEAT ENGINE - A heat engine ( | 2015-08-20 |
20150233295 | SPLIT-ZONE FLOW METERING T-TUBE - A gas turbine engine includes a core engine that has a compressor section, a combustor section and a turbine section. A thermal management system is configured to receive a cooling stream. The thermal management system includes a metering device that is located near an outer diameter of the core engine. The metering device is configured to divide the cooling stream into multiple segregated passages. The metering device can be configured to divide the cooling stream between a first passage and a second passage that is concentric with the first passage. | 2015-08-20 |
20150233296 | Gas Turbine Energy Supplementing Systems and Heating Systems, and Methods of Making and Using the Same - Electrical power systems, including generating capacity of a gas turbine, where additional electrical power is generated utilizing a separately fueled system during periods of peak electrical power demand. | 2015-08-20 |