48th week of 2017 patent applcation highlights part 31 |
Patent application number | Title | Published |
20170342823 | PULSE REFLECTION TRAVEL TIME ANALYSIS TO TRACK POSITION OF A DOWNHOLE OBJECT - A method includes deploying an object inside a casing installed in a well, and transmitting a pulse conveyed by fluid in the casing. The method also includes receiving a reflection in response to the pulse, and analyzing a travel time for the reflection determine a position of the object in the well. A related system includes a casing installed in a well, and a pulse transmitter in fluid communication with the casing and configured to transmit pulses via fluid in the casing. The system also includes a receiver in fluid communication with the casing and configured to receive pulse reflections, and a processor in communication with the receiver. The processor analyzes a travel time for at least one pulse reflection to determine a position of an object in the well. | 2017-11-30 |
20170342824 | Hydrocarbon Well Production Analysis System - An oil well production analyzing system receives production fluid samples from the oil well according to an automated sampling schedule. The fluid samples are taken from a pipeline through a sampling apparatus to obtain a representative sample. The representative sample flows into a circulation loop having a circulating pump, a water cut analyzer, and a cylindrical vessel, with interconnecting piping and actuated valves there between, with the actuated valves and the circulating pump controlled by a digital processor. Once a determination of the percentage of water and oil in the sample has been determined, the processor stops the circulating pump and activates a piston in the cylindrical vessel which sweeps the cylindrical vessel of any fluid contained in the vessel in preparation of receiving a subsequent fluid sample from the oil well. | 2017-11-30 |
20170342825 | Downhole Communications Using Selectable Modulation Techniques - A system that is positionable in a wellbore in a subterranean formation can include a first transceiver that is positionable external to a casing string in the wellbore. The first transceiver can wirelessly transmit data using a modulation technique that is selected from among multiple modulation techniques based on a fluid property of a fluid in the wellbore and a property of the subterranean formation. The system can also include a second transceiver that is positionable in the wellbore and operable to receive the data. | 2017-11-30 |
20170342826 | Electromagnetic Telemetry for Sensor Systems Deployed in a Borehole Environment - Disclosed are telemetry systems and methods that employ a plurality of electromagnetic transceivers disposed outside a well casing string at a corresponding plurality of depths along the casing string. Each transceiver includes one or more toroidal inductors circumferentially surrounding the casing string and inductively coupled thereto to allow signal transmission between transceivers via currents induced in the casing. In some embodiments, signals are relayed via a chain of transceivers to facilitate indirect communication between a surface facility and other transceivers located too deep for direct communication to the surface. | 2017-11-30 |
20170342827 | SYSTEMS AND METHODS FOR ACOUSTIC TESTING OF LAMINATED ROCK TO DETERMINE TOTAL ORGANIC CARBON CONTENT - Provided in some embodiments are systems and methods for preparing oriented samples of a laminated rock having different lamination orientations, for each of different stress-levels, transmitting an acoustic pulse through each oriented sample while tri-axially compressing the oriented sample at the stress-level to generate test data indicative of acoustic velocities through the laminated rock at different combinations of lamination orientations and stress levels, determining acoustic velocities through the laminated rock at the different combinations of lamination orientations and stress levels based on the test data, generating a rock model for the laminated rock based on the acoustic velocities, and determining a property of a second laminated rock (e.g., total organic carbon (TOC) content) based on the rock model for the laminated rock. | 2017-11-30 |
20170342828 | Systems and Methods for Identifying Two or More Charges into Reservoir Using Downhole Fluid Analysis - Systems and methods for identifying a likelihood that a reservoir of a geological formation received a secondary charge of hydrocarbons of relatively very different thermal maturity of composition are provided. One method includes positioning a downhole acquisition tool in a wellbore in a geological formation and testing one or more fluid properties of the formation fluid. Data processing circuitry may identify whether a relationship of the one or more fluid properties exceeds a first threshold that indicates likely asphaltene instability. When this is the case, data processing circuitry may be used to model the geological formation using a realization scenario in which multiple charges of hydrocarbons of substantially different thermal maturity or substantially different composition, or both, filled a reservoir of the geological formation over geologic time. | 2017-11-30 |
20170342829 | CUTTING DEVICE WITH WEAR ELEMENTS - A cutting device for a cutting head includes a disc, a plurality of cutting elements secured to the disc, and a plurality of wear elements secured to the disc. The disc rotates about an axis of rotation, and the disc includes a peripheral edge. The cutting elements are spaced apart from one another along the peripheral edge of the disc. The wear elements are spaced apart from one another and from the cutting elements. | 2017-11-30 |
20170342830 | CUTTING HEAD HAVING SEGMENTED CUTTING DISC - A cutting device for engaging a rock face includes a disc body supported for rotation about an axis of rotation, and a plurality of peripheral portions removably secured to the disc body. Each of the peripheral portions including a plurality of cutting bits positioned on a peripheral edge. The peripheral edge of each peripheral portion is aligned with the peripheral edges of adjacent peripheral portions. | 2017-11-30 |
20170342831 | ROTATABLE CUTTING TOOL WITH CUTTING INSERT AND BOLSTER - A rotatable cutting tool ( | 2017-11-30 |
20170342832 | CUTTING TOOL HOLDING MECHANISM - A cutting tool holding mechanism includes a base, a handle and a locking assembly. The base includes an abutting portion, a receiving groove, at least one limiting groove and at least one limiting hole. The limiting hole is disposed at the base and communicated with the limiting groove. The handle abutted against the base includes a sleeved portion and a plurality of positioning surfaces. The locking assembly includes a packing ring, a locking screw, a locking member and a guiding bolt. The locking member received inside the limiting groove includes a screwed hole and a guiding groove. The guiding groove disposed at one side of the locking member and is aligned with the limiting hole when the locking member is disposed inside the limiting groove. The guiding bolt is disposed in the limiting hole and is abutted against the guiding groove to inhibit the locking member from rotating. | 2017-11-30 |
20170342833 | HYDRAULIC ROCK FRACTURING DEVICE - A rock fragmentation device and method is provided which includes a shaft and a plurality of expandable members positioned along a length thereof. The shaft has a hollow length therethrough for the passage of a pressurized fluid, and a plurality of feed apertures for delivery of the pressurized fluid to the expandable members. The shaft further includes a feed inlet for receiving the pressurized fluid from a hydraulic system. The plurality of expandable members each have an inner diameter dimensioned to receive the shaft in a tightly engaging connection, and are positioned on the shaft in fluid tight engagement effective for receiving pressurized fluid via the feed apertures without leaking fluid. The expandable members are expandable, upon filling with the pressurized fluid, to sufficient dimensions to break apart rock when fitted inside a cavity formed therein. | 2017-11-30 |
20170342834 | METHOD AND APPARATUS FOR FORMING TUNNELS FOR TRANSPORT ROUTES - A method and apparatus for forming a tunnel structure at a relatively shallow depth from the surface, which tunnel can be used as a replacement or additional transport route to an existing transport route ( | 2017-11-30 |
20170342835 | CUTTING DEVICE WITH TAPERED CUTTING ELEMENT - A cutting device for cutting rock includes a disc and a plurality of cutting elements secured to the disc. The disc is supported for rotation about an axis of rotation, and the disc includes a peripheral edge extending around the axis of rotation. The plurality of cutting elements are spaced apart along the peripheral edge of the disc and positioned in a cutting plane. Each of the cutting elements includes a base portion and a cutting portion including a cutting edge, and the cutting portion has a width that is larger than a width of the base portion. | 2017-11-30 |
20170342836 | METHOD OF SUPPORTING A ROCK WALL - A rock bolt includes an elongate metallic body having a first end and an opposed second end, a threaded portion at the second end, for attaching thereto and locating thereon, a nut and a bearing plate, a mechanical anchor at, or at least partially located on, a first end portion of the body and a first resistive anchor, located between the threaded portion and the mechanical anchor. | 2017-11-30 |
20170342837 | SCROLL FLUID MACHINE - In a scroll fluid machine, a thinned section ( | 2017-11-30 |
20170342838 | MIXING RAM AND BLEED AIR IN A DUAL ENTRY TURBINE SYSTEM - A system is provided. The system includes a first medium at a first pressure, a second medium at a second pressure, and a medium conditioning sub-system. The medium conditioning sub-system includes a compressor, a first heat exchanger, a second heat exchanger, and a turbine. The turbine receives the first medium and the second medium. | 2017-11-30 |
20170342839 | SYSTEM FOR A LOW SWIRL LOW PRESSURE TURBINE - The low pressure turbine includes a rotor, an outer casing, a plurality of stages of rotor blades, and a plurality of stages of stator vanes. The rotor includes a longitudinal centerline. The outer casing circumscribes the rotor. The plurality of stages of rotor blades is disposed on a radially outer surface of the rotor in a serial flow arrangement. The plurality of stages of stator vanes is disposed on a radially inner surface of the outer casing in a serial flow arrangement. Each stage of the plurality of stages of stator vanes precedes a stage of rotor blades. The last stage of rotor blades of the plurality of stages of rotor blades includes a low swirl outlet rotor blade stage. | 2017-11-30 |
20170342840 | FRICTION DAMPER - A damper ring is mounted in frictional engagement with a radially inwardly facing surface of a circumferential groove defined in a rotary part of a gas turbine engine. Energy dissipation is provided via sliding friction of the ring in the groove. Pressure relief dimples are provided around the outer diameter of the ring for locally reducing contact pressure at the outer diameter below a value at which the damper ring locks in the groove by friction forces when subject to centrifugal loads. | 2017-11-30 |
20170342841 | COOLING PASSAGE FOR GAS TURBINE SYSTEM ROTOR BLADE - The present disclosure is directed to a rotor blade for a gas turbine system. The rotor blade includes a platform having a radially inner surface and a radially outer surface. A shank portion extends radially inwardly from the radially inner surface of the platform. The shank portion and the platform collectively define a shank pocket. An airfoil extends radially outwardly from the radially outer surface of the platform. The shank portion, the platform, and the airfoil collectively define a cooling passage extending from a cooling passage inlet defined by the shank portion or the platform and directly coupled to the shank pocket through the platform to a cooling passage outlet defined by the airfoil. | 2017-11-30 |
20170342842 | AIRFOIL COOLING USING NON-LINE OF SIGHT HOLES - An airfoil for a gas turbine engine is provided that includes a first portion formed from a first plurality of plies of a ceramic matrix composite material and defining an inner surface of the airfoil, as well as a second portion formed from a second plurality of plies of a ceramic matrix composite material and defining an outer surface of the airfoil. The first portion and the second portion define a non-line of sight cooling aperture extending from the inner surface to the outer surface of the airfoil. In one embodiment, a surface angle that is less than 45° is defined between a second aperture and the outer surface. A method for forming an airfoil for a gas turbine engine also is provided. | 2017-11-30 |
20170342843 | Cooling Passage for Gas Turbine Rotor Blade - The present disclosure is directed to a rotor blade for a gas turbine engine. The rotor blade includes an airfoil, a tip shroud having a side surface and a radially outer surface, and a transition portion coupling the tip shroud to the airfoil. The airfoil, the transition portion, and the tip shroud collectively define a primary cooling passage therein. The primary cooling passage includes a primary cooling passage outlet defined by the side surface of the tip shroud. | 2017-11-30 |
20170342844 | High Temperature Composites With Enhanced Matrix - A composite article comprises a substrate, the substrate comprising a silicon containing material and an additive comprising boron nitride nanotubes. | 2017-11-30 |
20170342845 | Margin Bucket Dovetail Radial Support Feature for Axial Entry Buckets - The present application provides a steam turbine. The steam turbine may include a number of rotor wheel slots, a number of buckets positioned in the rotor wheel slots, and a radial support assembly positioned between each of the buckets and each of the rotor wheel slots. The radial support assembly may include one or springs and one or more shims. | 2017-11-30 |
20170342846 | METHOD AND COMPUTER-READABLE MODEL FOR ADDITIVELY MANUFACTURING DUCTING ARRANGEMENT FOR A GAS TURBINE ENGINE - Method and computer-readable model for additively manufacturing a ducting arrangement ( | 2017-11-30 |
20170342847 | DIFFUSER HAVING SHAPED VANES - A radial diffuser and method for manufacturing a radial diffuser is provided, where the diffuser includes a vane positioned between a hub and a case. The hub includes a surface. The vane projects from the surface of the hub and is wedge-shaped. The vane includes a leading end extending toward a radial inner edge of the hub, a trailing end extending toward a radial outer edge of the hub, an upper surface, first and second sides extending longitudinally along the vane, and a middle region disposed between the hub and the upper surface. The vane at the upper surface has a thickness defined by a first wedge angle at the upper surface. The vane at the middle region has a thickness defined by a second wedge angle at the middle region. The second wedge angle is smaller than the first wedge angle. | 2017-11-30 |
20170342848 | INTERSHAFT SEALING SYSTEMS FOR GAS TURBINE ENGINES AND METHODS FOR ASSEMBLING THE SAME - A seal assembly for use between an inner shaft and an outer shaft rotatable about a common axis within a turbine engine includes a pair of end rings and a plurality of seal elements coupled between the pair of end rings. Each end ring includes a flange extending in an axial direction, and each seal element includes a pair of shoulders extending in opposing axial directions. The seal assembly also includes a pair of retaining rings. Each retaining ring is positioned between one shoulder of the pair of shoulders and a corresponding one end ring flange of the pair of end ring flanges. | 2017-11-30 |
20170342849 | TURBINE SHROUD WITH FULL HOOP CERAMIC MATRIX COMPOSITE BLADE TRACK AND SEAL SYSTEM - A gas turbine engine includes a blade track, a support assembly, and a seal system. The blade track is arranged around a central axis of the gas turbine engine to direct gasses through the gas turbine engine. The support assembly is arranged around the blade track to support the blade track relative to the central axis. The seal system is configured to block fluid communication between pressurized cavities formed in the support assembly. | 2017-11-30 |
20170342850 | Side Seal with Reduced Corner Leakage - A sealing arrangement for sealing between a first stage nozzle and a plurality of aft frames includes a first inner seal and a second inner seal which are circumferentially oriented and circumferentially aligned. A side seal is radially disposed between the first inner seal and the second inner seal. The side seal includes a first portion that is axially offset from the first inner seal and the second inner seal and a second portion abutting the first inner seal and the second inner seal. Also disclosed is an aft frame having a forward face and an aft face. The aft frame includes at least one side seal slot that extends along a side portion. A first portion of the side seal slot is axially offset from the aft face. A second portion of the side seal slot is axially and radially offset from the first portion. | 2017-11-30 |
20170342851 | SYSTEM AND METHOD FOR DOMESTIC BLEED CIRCUIT SEALS WITHIN A TURBINE - A turbine assembly includes a rotor assembly including a shaft coupled to a plurality of rotor stages including a plurality of turbine blades. The shaft and the plurality of turbine blades define a wheelspace therein. The turbine assembly further includes a plurality of seals in series, at least one seal of the plurality of seals is coupled between a static support member and a respective rotor stage such that a plurality of turbine cavities in series are defined within the wheelspace. Each turbine cavity of the plurality of turbine cavities defined by the plurality of seals receives a pressurized fluid flow that applies an axially aft force to the respective rotor stage of the plurality of rotor stages that at least partially reduces net rotor thrust generated by the rotor assembly during operation, the pressurized fluid flow further provides turbine purge within the wheel space. | 2017-11-30 |
20170342852 | TURBINE BLADE TRACK ASSEMBLY - A gas turbine engine is disclosed with a turbine section having at least one turbine rotor with a plurality of turbine blades, a plurality of blade tracks positioned circumferentially around the turbine blades, at least one dovetail shaped connecting member extending radially outward from each blade track, and a hanger connected to a structural member of the gas turbine engine and configured to releasably couple with the at least one dovetail shaped connecting member of a corresponding blade track. | 2017-11-30 |
20170342853 | IN-LINE SHUTOFF VALVES - An in-line shutoff valve includes a valve body with an inlet chamber, an outlet chamber, and a poppet seat disposed between the inlet and outlet chambers. A poppet is movably disposed within the valve body and has an open and closed position. The poppet seats against the poppet seat in the closed position, fluidly separating the inlet chamber from the outlet chamber. The poppet is unseated from the poppet seat in the open position, fluidly coupling the inlet and outlet chambers. A manifold with a servo port and a vent port is disposed within the valve body between the inlet and outlet chambers, the vent port being in fluid communication with the servo port to cool valve internal structures when the poppet is in the closed position. | 2017-11-30 |
20170342854 | Twin spool industrial gas turbine engine with variable inlet guide vanes - A large frame heavy duty industrial gas turbine engine that can produce twice the power as a conventional single spool industrial engine, and can operate at full power during a hot day. The industrial engine includes a high spool that directly drives an electric generator at a synchronous speed of the electric power grid, a low spool with a low pressure turbine that drives a low pressure compressor from the exhaust gas from the high pressure turbine, where the low pressure compressor supplies compressed air to the high pressure compressor. Variable inlet guide vane assemblies are used in the low pressure turbine and the low pressure compressor so that the high spool can operate at full power even during a hot day. The low spool is designed to operate at a higher speed than at the normal temperature conditions so that a high mass flow can be produced for the high spool during the hot day conditions. | 2017-11-30 |
20170342855 | TURBINE ENGINE AND METHOD OF COOLING - A method of operating a turbine engine that includes shutting down the turbine engine such that a rotational speed of the turbine engine decreases, and actuating a starter motor of the turbine engine at one of as the rotational speed of the turbine engine decreases or at a preset time after the turbine engine receives a full stop command such that residual heat is exhausted from the turbine engine. | 2017-11-30 |
20170342856 | DUAL TRIP MANIFOLD ASSEMBLY FOR TURBINE SYSTEMS - A dual trip manifold assembly (TMA) includes an isolation valve assembly having a first valve configured to receive a flow of fluid from a hydraulic system fluid supply. The first valve is configured to channel the flow of fluid to at least one hydraulic circuit. The isolation valve assembly also includes a second valve configured to receive the flow of fluid from the at least one hydraulic circuit. The second valve is further configured to channel the fluid flow to a trip header. The first valve and the second valve are synchronized to each other such that rotation of one valve causes a substantially similar rotation in the other valve. | 2017-11-30 |
20170342857 | TURBOMACHINE BEARING ASSEMBLY PRELOADING ARRANGEMENT - A turbomachine with a shaft supporting a turbine wheel is supported for rotation in a housing. The shaft extends through a bore in the housing and a bearing assembly is disposed in the bore. The turbomachine has a first lubricating fluid slinger comprising a screw thread that is engageable with a threaded section of the shaft such that the first lubricating fluid slinger is screwable along the threaded section of the shaft so as to apply a compressive preload to the bearing assembly. | 2017-11-30 |
20170342858 | FLEXIBLE SUPPORT STRUCTURE FOR A GEARED ARCHITECTURE GAS TURBINE ENGINE - A gas turbine engine according to an example of the present disclosure includes, among other things, a fan shaft driving a fan having fan blades, a fan shaft support that supports the fan shaft and a gear system connected to the fan shaft. The gear system includes a ring gear defining a ring gear transverse stiffness, at least one journal bearing defining a journal bearing transverse stiffness, a gear mesh defining a gear mesh transverse stiffness, and a reduction ratio greater than 2.3. The ring gear transverse stiffness is less than 20% of the gear mesh transverse stiffness and the journal bearing transverse stiffness is less than or equal to the gear mesh transverse stiffness. | 2017-11-30 |
20170342859 | SIDE CHANNEL BLOWER, ESPECIALLY FOR A VEHICLE HEATER - A heater side channel blower includes a blower housing ( | 2017-11-30 |
20170342860 | GAS TURBINE FACILITY - A gas turbine facility of an embodiment includes: a combustor casing; a combustor provided in the combustor casing; a cylinder surrounding a periphery of the combustor and dividing a space between the combustor casing and the combustor; a turbine rotated by combustion gas exhausted from the combustor; a heat exchanger cooling the combustion gas exhausted from the turbine; a pipe through which a part of the combustion gas cooled in the heat exchanger passes in the heat exchanger to be heated, the pipe guiding the combustion gas heated in the heat exchanger into the cylinder; and a pipe guiding another part of the combustion gas cooled in the heat exchanger to a space between the combustor casing and the cylinder. | 2017-11-30 |
20170342861 | PRESSURE VESSEL AND TURBINE - It is aimed to improve circularity. In a casing, in which a cylindrical shape thereof is divided into two parts in a radial direction thereof and the casing is connected in the cylindrical shape via flanges thereof protruding outward in the radial direction at both divided ends thereof; increased thickness portions that increase radial direction thickness thereof are formed in a portion excluding the divided ends and circular arc center portions farthest from the divided ends, the portion being between the divided ends and the circular arc center portions. | 2017-11-30 |
20170342862 | Exhaust Diffuser - The present application provides an exhaust diffuser for a gas turbine engine. The exhaust diffuser may include a hub, a casing, and a strut extending between the hub and the casing. The hub may include an angled configuration about the strut and a substantially flat configuration downstream of the angled configuration. | 2017-11-30 |
20170342863 | FLOW SEGREGATOR FOR INFRARED EXHAUST SUPPRESSOR - Systems and methods for suppressing infrared radiation generated by a turbine engine. A system comprises a primary assembly having a center body, a plurality of vanes extending from the center body, an outer radial duct with the plurality of vanes extending therethrough, a structural baffle, and a mixer. The primary assembly is disposed in the exhaust flow path of a turbine engine and encased in ducting and/or an airfoil. An air flow path defined between the center body and outer radial duct is axially spit by an interface rim and flow segregator. The flow segregator segregates engine core flow from ambient air flow. | 2017-11-30 |
20170342864 | Heat Pump - A system for warming an engine. The system includes an engine coolant system that directs warm engine coolant to the engine to heat the engine. A heat pump system warms the engine coolant. | 2017-11-30 |
20170342865 | COMBINED CYCLE POWER PLANT SYSTEM AND RELATED CONTROL SYSTEMS AND PROGRAM PRODUCTS - Various embodiments include a system having: at least one computing device configured to monitor a combined-cycle (CC) power plant during a transient event by performing actions including: determining whether a change in an operating condition of a component of the CC power plant is unintentional, the determining including comparing control system instructions for the component of the CC power plant with a reference look-up table, the reference look-up table including correlation data for the control system instructions for the component and historical data about the operating condition of the component; and providing instructions to a control system of the CC power plant to modify the operating condition in the CC power plant in response to determining that the change in operating condition of the component is unintentional. | 2017-11-30 |
20170342866 | Rocker Motion-Powered Generators For Rocker-Mounted Electronic Devices - An internal combustion engine has a valvetrain that includes a rocker arm assembly on which is mounted an electronic device and at least a part of a generator. The generator converts some of the mechanical energy that is transmitted through the rocker arm assemblies into electricity. That electricity may be used to power an electric latch, a transmitter, or another type of rocker arm assembly-mounted electrical device. Various generator configurations are described. In some configurations, the generator is piezoelectric. In other configurations, the generator is electromagnetic. In some configurations, the generator is driven by force transmitted by the rocker arm assembly from a cam. In some configurations, the generator is driven by vibrations. | 2017-11-30 |
20170342867 | COLUMNAR HYDRAULIC TAPPET - A columnar-type hydraulic tappet, provided with a housing, a plunger moving axially with respect to the housing being mounted in an inner cavity of the housing, a high pressure cavity used for a hydraulic medium extending between a lower end surface of the plunger and a lower side of the housing, a first ring groove being arranged below a head portion of the plunger, a second ring groove being arranged at a central portion of the plunger, a plunger central wall being between the first ring groove and the second ring groove, the second ring groove being a concave wide ring groove, wherein at least one plunger oil inlet hole being arranged on the plunger concave wide ring groove or the plunger central wall, a bottom portion edge of the plunger oil inlet hole containing flanging facing towards an inner cavity of the plunger. | 2017-11-30 |
20170342868 | APPARATUS, SYSTEMS AND METHODS FOR INDEXED HYDRAULIC ROLLER LIFTERS - The disclosed apparatus, systems and methods relate to an indexed hydraulic roller lifter for use in internal combustion engines. | 2017-11-30 |
20170342869 | VARIABLE VALVE MECHANISM FOR INTERNAL COMBUSTION ENGINE - The variable valve actuating device ( | 2017-11-30 |
20170342870 | CONTROL VALVE - A control valve includes a valve housing extending along a longitudinal axis. The valve housing defines an inlet port, a first outlet port, and a second outlet port. In addition, the control valve includes a spool guide disposed inside the valve housing and a flow guide belt disposed around the spool guide. The flow guide belt is disposed inside the valve housing. The control valve further includes a spool movably disposed in the spool guide. The spool can move relative to the valve housing along the longitudinal axis between a first spool position and a second spool position. The first outlet port is in fluid communication with the inlet port when spool is disposed in the first spool position. | 2017-11-30 |
20170342871 | CAMSHAFT PHASE REGULATOR - The present disclosure provides a camshaft phase adjuster, including: a stator provided with a plurality of hydraulic chambers; a rotor rotatably disposed in the stator and provided with a basic body and a plurality of blades fixed to the basic body, the basic body has a first end surface and the second end surface which face opposite directions along an axial direction, the plurality of blades are arranged in intervals along the circumferential direction and divide the hydraulic chambers into first pressure chambers and second pressure chambers, respectively; wherein the basic body is provided with a plurality of first oil holes and a plurality of second oil holes which are communicated with the first pressure chambers and the second pressure chambers, respectively, the second oil hole is provided with at least two oil sub-holes, a first oil sub-hole extends along a radial direction of the basic body and is located on a same plane, with the first oil hole, perpendicular to a central axis of the rotor, the first oil sub-hole communicates with the second pressure chamber, and the second oil sub-hole penetrates through the first end surface along an axial direction of the basic body. Accordingly, technical solution of the present disclosure solves the problems of large in axial dimension and great in mass of existing camshaft phase adjusters. | 2017-11-30 |
20170342872 | METHODS AND SYSTEM FOR OPERATING AN EXHAUST VALVE OF AN INTERNAL COMBUSTION ENGINE - Systems and methods for operating exhaust valves of an internal combustion engine with poppet exhaust valves are described. The systems and methods provide for locking exhaust valves in a closed state when the exhaust valves are in mechanical communication with a base circle of a camshaft lobe. Locking the exhaust valves in a closed state may reduce the possibility of exhaust pressures opening the exhaust valves at times they may not be desired to be open. | 2017-11-30 |
20170342873 | Windowed Intake Valve Stem - An intake valve for an internal combustion engine is provided. The intake valve includes a valve stem with a hole in the valve stem forming an air channel there through that allows intake air to flow from an intake passage, through the air channel, into a cylinder of the internal combustion engine. | 2017-11-30 |
20170342874 | VARIABLE VALVE MECHANISM OF INTERNAL COMBUSTION ENGINE - A variable valve mechanism includes a variable arm including a first arm and a second arm. The second arm is pivotally supported so as to be swingable by a support shaft. A position of the support shaft is a position where, during a base circle phase, in side view, a second segment connecting an axis of a roller to an axis of the support shaft is longer than a first segment connecting the axis of the roller to an axis of a camshaft, and an angle of the second segment formed with respect to a third segment connecting the axis of the roller to a swing axis of a roller arm is 60° to 120° toward the camshaft. The second arm extends from the support shaft such that a distal end portion of the second arm protrudes in between a cam and the roller. | 2017-11-30 |
20170342875 | SLIDING CAMSHAFT - A sliding camshaft is provided which may include a base shaft, an over-molded trigger wheel, and a distal axially movable structure. The distal axially movable structure may further include a distal journal in addition to at least one standard journal and lobe packs. A control groove is defined in the distal axially movable structure. The over-molded trigger wheel is mounted on the distal axially movable structure. The over-molded trigger wheel is operatively configured to move between at least a first position and a second position together with the distal axially movable structure via engagement between the control groove and an actuator. The over-molded trigger wheel may be press fitted on distal axially movable structure and is adapted to accurately communicate with a sensor regardless of the position of the distal axially movable structure. | 2017-11-30 |
20170342876 | LUBRICATION CONTROL IN INTERNAL COMBUSTION ENGINES - An adapter replaces a crankcase screw-on oil filter for an internal combustion engine and couples pressurized oil in the engine's crankcase with at least one external component. The adapter includes a valve that prevents backflow of oil from the external component to the crankcase. | 2017-11-30 |
20170342877 | APPARATUS FOR MONITORING AN OIL THERMOSTAT - The invention relates to an apparatus for monitoring an oil thermostat arranged in an oil circuit of an internal combustion engine. The apparatus comprises a sensor unit ( | 2017-11-30 |
20170342878 | MOBILE DEVICE DETECTION AND TRACKING - Mobile devices emit signals in Bluetooth, Wi-Fi and cellular (i.e. 2G, 3G, 4G, Edge, H+, etc.). These signals attempt to connect to paired devices, hotspots, cell towers, or other suitable wireless connection points to greater networks. In order to connect to connect to hotspots mobile devices send out identifying data to establish a connection. Hotspots may unobtrusively collect the identification data of the mobile device, and then reject the connection request. The hotspots collect data in real time on the mobile device, and by association, the human carrying the mobile device without having alerted or impeded the human carrier. The system uses analytical software to determine, for example, an approaching unique ID user's presence, history, frequency of visits, duration of presence and so on. | 2017-11-30 |
20170342879 | Oil Level Monitoring System - An oil level monitoring system includes a tube that may be fluidly coupled to an internal combustion engine. Thus, the tube may be in fluid communication with an oil reservoir in the internal combustion engine. A monitoring unit is removably inserted into the tube. The monitoring unit may be in fluid communication with the oil reservoir. The monitoring unit is substantially hollow. Thus, oil from the oil reservoir may be contained within the monitoring unit when the monitoring unit is inserted into the tube. The monitoring unit is comprised of a translucent material. Thus, the monitoring unit facilitates a level of the oil to be observed within the oil reservoir when the monitoring unit is removed from the tube. | 2017-11-30 |
20170342880 | CRANKCASE VENTILATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - A housing of a compressor for an internal combustion engine is provided. The housing includes a first air inlet portion. Further, housing includes a tubular wall defining an annular chamber along a circumference of the first air inlet portion. Tubular wall comprising a second air inlet portion. Housing further includes an opening formed in a wall of first air inlet portion, contiguously extending along the circumference of the first air inlet portion, to fluidly couple the annular chamber with the first air inlet portion. The opening being formed at an offset from the second air inlet portion. The opening defines a first edge and a second edge in the wall of the first air inlet portion. The first edge and the second edge are radially offset from each other with respect to a central axis of the first air inlet portion. | 2017-11-30 |
20170342881 | NOx SENSOR PURIFICATION PROGRAM, INTERNAL COMBUSTION ENGINE, AND NOx SENSOR PURIFICATION METHOD - A non-transitory computer-readable medium having a NOx sensor purification instructions for a NOx sensor causes: an on-vehicle electronic computer mounted in the vehicle, when it comes to a predetermined purification time, to execute a start procedure to send a start command to perform a purification control to the control unit; and control unit, in response to the start command, to execute a purification procedure to perform the purification control which causes the current flowing in the reference pump cell from the reference pump current to be a purification pump current, which is set to a current value larger than the reference pump current. | 2017-11-30 |
20170342882 | APPARATUS AND METHOD FOR REGENERATING DIESEL PARTICULAR MATTER FILTER - An apparatus for regenerating a diesel particular matter filter includes an outdoor temperature sensor for detecting an outdoor temperature, a water temperature sensor for detecting a cooling water temperature of an engine, an air heater for heating intake air of the engine, a relay temperature sensor for detecting a heater relay temperature, a controller for generating and outputting a signal for controlling a heater relay to activate or deactivate the air heater and a signal for controlling a cooling fan to be operated based on detection values input from the outdoor temperature sensor, the water temperature sensor and the relay temperature sensor, a heater relay configured to be turned on and off depending on the control signal output from the controller to operate or stop the air heater, and a cooling fan configured to be selectively operated depending on the control signal output from the controller and ventilate air for cooling the heater relay upon the operation. | 2017-11-30 |
20170342883 | MOVABLE EMISSION CONTROL SYSTEM FOR AUXILIARY DIESEL ENGINES - A mobile emissions control system is provided for diesel engines operated on ocean-going ships at-berth. The emissions control system comprises two essential elements: an emissions capturing system and an emissions control system. The emissions control system may be mounted on a towable chassis or mounted on a barge, allowing it to be placed alongside ocean-going ships at-berth. The emission capturing system captures exhaust from a ship's diesel engine and conducts it into the emissions control system, which cleans the exhaust and then passes clean air into the atmosphere through an exhaust outlet. | 2017-11-30 |
20170342884 | EXHAUST SYSTEM AND CONTROL METHOD OF AMOUNT OF UREA SUPPLY - An exhaust system according to an exemplary embodiment of the present invention includes a nitrogen oxide storing catalytic collector connected to an exhaust line and collecting a nitrogen oxide included an exhaust gas in a first temperature or less; a first selective catalytic reducer disposed at a rear portion of the nitrogen oxide storing catalytic collector and reducing a nitrogen oxide included in the exhaust gas; and a first urea injector disposed at the front side of the nitrogen oxide storing catalytic collector and supplying a urea solution when a temperature of the nitrogen oxide exceeds the first temperature. | 2017-11-30 |
20170342885 | EXHAUST GAS PURIFICATION SYSTEM AND METHOD FOR A WORK VEHICLE - A work vehicle includes an engine, a battery, an exhaust gas purification system or device, and a notification device. The exhaust gas purification system or device is capable of performing a purification process purifying exhaust gas of the engine, and operates with electric power from the battery and performs an end process. The notification device provides notification that the exhaust gas purification system or device is performing the end process or that the end process is completed. | 2017-11-30 |
20170342886 | DECOMPOSITION TUBE FOR EXHAUST TREATMENT SYSTEMS - A decomposition tube for an exhaust treatment system includes a housing with a housing wall that defines an exhaust flow path for exhaust; a reductant delivery mechanism coupled to the housing and having a nozzle configured to deliver a spray of reductant into the exhaust flow path; and a mesh device with a mounting element mounted on the housing wall and a mesh basket secured to the mounting element proximate to the nozzle to enclose and intercept the spray such that effectively all of the reductant passes through the mesh basket and into the exhaust flow path prior to impinging on the housing wall. | 2017-11-30 |
20170342887 | SELECTIVE CATALYTIC REACTOR (SCR) DOOR SYSTEMS - A door system for a doorway to a gas-tight chamber includes a door panel that selectively moves between a closed position for sealing a doorway of a chamber and an open position for permitting access to an interior of the chamber through the doorway. The door panel has an inner side generally facing the interior of the chamber when the door panel is in the closed position. A door panel track is connected to the inner side of the door panel. The door panel track selectively cooperates with an interior track of the chamber to facilitate movement of a cart between the door panel to the interior of the chamber. | 2017-11-30 |
20170342888 | Exhaust Aftertreatment System Having Mixer Assembly - A mixer assembly for mixing an injected reductant with an exhaust gas output from a combustion engine comprises a mixer housing including a wall defining an exhaust passageway having a longitudinal axis. A tubular swirling device housing extends along a first axis substantially transverse to the longitudinal axis. The tubular swirling device includes a plurality of openings through which exhaust gas enters. The exhaust gas within the tubular swirling device swirls about the first axis and exits at an outlet end of the tubular swirling device. A mixing plate is positioned immediately downstream of the tubular swirling device and includes apertures through which the exhaust gas exiting the outlet end of the tubular swirling device flows. The mixing plate swirls the exhaust about a second axis extending parallel to the longitudinal axis. | 2017-11-30 |
20170342889 | THERMOELECTRIC GENERATING UNIT, THERMOELECTRIC GENERATOR USING THE THERMOELECTRIC GENERATING UNIT, MOUNTING STRUCTURE OF THE THERMOELECTRIC GENERATOR, AND EXHAUST DUCT AND ENGINE INCLUDING THE MOUNTING STRUCTURE - The thermoelectric generating unit 1 generates electric power by a temperature difference between the cold side and the hot side. The heating part | 2017-11-30 |
20170342890 | VEHICLE AND EXHAUST PIPE SUPPORT MEMBER - An exhaust pipe support member of a vehicle includes: an elastic support portion that has multiple insertion holes into which multiple hanger stays provided in an exhaust pipe are inserted; a metal frame that surrounds the elastic support portion; and multiple support legs that are arranged between the elastic support portion and the metal frame to support the elastic support portion. | 2017-11-30 |
20170342891 | APPARATUS AND METHOD FOR CONTROLLING PISTON COOLING OIL JET - An apparatus for controlling a piston cooling oil jet may include a main gallery supplied with oil, an oil jet gallery defining an oil injection path such that the oil through the main gallery is introduced and is sprayed to a lower portion of a piston, an oil jet valve opening the oil injection path such that the oil supplied to the main gallery is introduced into the oil jet gallery, and a controller electrically connected to the oil jet valve, and determining a target oil pressure through a first factor value corresponding to an RPM and an engine load, a second factor value determined by a predetermined target oil pressure curve, and a third factor value corresponding to an RPM and an oil temperature in the main gallery to control an opening degree of the oil jet valve using the target oil pressure. | 2017-11-30 |
20170342892 | COOLING SYSTEM AND CONTROL METHOD OF VEHICLE - A cooling system for a vehicle is provided. The system includes a valve that is disposed at a predetermined position in a cooling channel to discharge bubbles produced in a coolant out of the cooling channel. Additionally, a controller is configured to detect whether bubbles have been produced in the coolant using a rate of pressure change based on a temperature increase in the cooling channel and open the valve in response to detecting that bubbles have been produced. | 2017-11-30 |
20170342893 | NOISE SUPPRESSION SYSTEMS - An apparatus or system includes a component that generates or transfers noise having a frequency within a noise frequency range. The component may include a boundary. The apparatus or system may be an engine in some examples. The engine may additionally include a micro-perforated sheet positioned a distance from the boundary. The micro-perforated sheet may include a plurality of micro-perforated holes, and may be configured to absorb sound within an absorption frequency range based on parameters of the micro-perforated sheet. The parameters may include the distance from the boundary and dimensions of the micro-perforated holes, and may be set such that the absorption frequency range overlaps the noise frequency range. | 2017-11-30 |
20170342894 | TURBOCHARGER ENGINE - A turbocharger engine includes a dual stage turbocharger in which a first turbo unit is disposed on the upstream side of a second turbo unit on an exhaust passage. The turbocharger is disposed in such a manner that a second turbine shaft of the second turbo unit is far from an engine output shaft than a first turbine shaft of the first turbo unit in a plan view in an axis direction of a cylinder. Further, a second turbine is rotated clockwise around an axis thereof in a side view when the turbocharger is viewed from the side of the turbine, and an intra-turbine passage is disposed on the side of an engine body than the second turbine shaft. | 2017-11-30 |
20170342895 | TURBOCHARGER ENGINE - A turbocharger engine includes an engine body and a turbocharger. The turbocharger includes a large turbo unit having a large turbine chamber, a large compressor chamber, and a large turbine shaft extending between the two chambers; and a small turbo unit having a small turbine chamber, a small compressor chamber, and a small turbine shaft extending between the two chambers. The large compressor chamber is disposed upstream of the small compressor chamber in an intake passage. A large turbo axis and a small turbo axis are disposed to extend generally in the same direction as an engine output axis. The large turbo unit is disposed such that the large turbo axis is non parallel to the engine output axis, and a large-compressor-chamber-side portion of the large turbo axis is closer to the engine output axis than a large-turbine-chamber-side portion thereof in a plan view in an axis direction of the cylinder. | 2017-11-30 |
20170342896 | VARIABLE LENGTH CONNECTING ROD AND VARIABLE COMPRESSION RATIO INTERNAL COMBUSTION ENGINE - A variable length connecting rod includes a connecting rod body, an eccentric member, a switching mechanism and a stopping mechanism. The eccentric member is provided at a small diameter end of the connecting rod body. The eccentric member rotates such that an effective length of the variable length connecting rod is varied. The switching mechanism includes a hydraulic piston connected to the eccentric member. The eccentric member reaches a first position when the switching mechanism is in a first state. The eccentric member reaches a second position when the switching mechanism is in a second state. The stopping mechanism includes a stopping member that abuts against or engages with the eccentric member or the hydraulic piston such that the eccentric member is maintained at an intermediate position between the first position and the second position. | 2017-11-30 |
20170342897 | VARIABLE LENGTH CONNECTING ROD AND VARIABLE COMPRESSION RATIO INTERNAL COMBUSTION ENGINE - A variable length connecting rod includes: a connecting rod body; an eccentric member which can swivel with respect to the connecting rod body and in which the effective length of the variable length connecting rod is changed when swiveled; a first piston mechanism making the eccentric member swivel in one direction when hydraulic fluid is fed; a second piston mechanism making the eccentric member swivel in the opposite direction when hydraulic fluid is fed; and a flow direction changing mechanism switching flow directions of hydraulic fluid between the first and second piston mechanisms. The first piston mechanism and second piston mechanism are formed so that a first cylinder volume defined by a stroke length of the first piston and a cross-sectional area of the first cylinder is equal to a second cylinder volume defined by a stroke length of the second piston and a cross-sectional area of the second cylinder. | 2017-11-30 |
20170342898 | ASYMMETRIC CAM TRANSMISSION - A torque drive transmission, having at least two counter-rotating cams bearing-mounted within a housing about a rotational axis. The counter-rotating cams are operative to: (i) convert a linear input to a rotary output, and (ii) drive a pair of coaxial drive shafts in opposite directions along the rotational axis. Furthermore, each counter-rotating cam defines a cam profile surface having drive and follower surfaces defining angles α and β respectively. The angles α and β are unequal to drive each cam and respective output drive shaft in an opposite rotational direction. As such, the cams may be driven in opposite directions irrespective the initial rotational position of the linear input, i.e., relative to each counter-rotating cam. | 2017-11-30 |
20170342899 | MULTIPLE NOZZLE CONFIGURATIONS FOR A TURBINE OF AN ENVIRONMENTAL CONTROL SYSTEM - An airplane is provided. The airplane includes a pressurized medium, a turbine, and a valve. The turbine includes at least one nozzle. The valve is located upstream of the turbine. The valve provides the pressurized medium to the at least one nozzle of the turbine according to an operational mode. | 2017-11-30 |
20170342900 | SYSTEM AND METHOD OF COMPRESSOR INLET TEMPERATURE CONTROL WITH EDUCTOR - A system includes a controller configured to control a heated flow discharged from an outlet of an eductor to an inlet control system to control a temperature of an intake flow through a compressor inlet of a compressor of a gas turbine system. The controller is configured to control a turbine extraction gas (TEG) flow to a suction inlet of the eductor. The controller is configured to control a motive flow to a motive inlet of the eductor. The TEG flow is extracted through a turbine casing. The heated flow includes the TEG flow and the motive flow. | 2017-11-30 |
20170342901 | SYSTEM AND METHOD OF COMPRESSOR INLET TEMPERATURE CONTROL WITH EDUCTOR - A system includes a controller configured to control a heated flow discharged from an outlet of an eductor to an inlet control system to control a temperature of an intake flow through a compressor inlet of a compressor of a gas turbine system. The controller is configured to control a turbine extraction gas (TEG) flow to a motive inlet of the eductor. The controller is configured to control a suction flow to a suction inlet of the eductor. The TEG flow is extracted through a turbine casing, and the heated flow includes the TEG flow and the suction flow. | 2017-11-30 |
20170342902 | SYSTEM AND METHOD OF COMPRESSOR INLET TEMPERATURE CONTROL - A system includes a compressor having a compressor inlet, a turbine having a plurality of stages disposed within a turbine casing, and a turbine extraction gas (TEG) heating system. The turbine is configured to drive the compressor via expansion of combustion products through the plurality of stages. The TEG heating system includes a turbine gas extraction system coupled to the turbine casing and to the compressor inlet. The turbine gas extraction system is configured to receive a portion of the combustion products as a turbine extraction gas (TEG) from the turbine. The TEG is received through the turbine casing, the TEG heating system is configured to supply a heated flow to the compressor inlet, and the heated flow includes the TEG. | 2017-11-30 |
20170342903 | SYSTEM AND METHOD OF COMPRESSOR INLET TEMPERATURE CONTROL WITH MIXING CHAMBER - A system includes a controller configured to control a heated flow discharged from an outlet of a mixing chamber to an inlet control system to control a temperature of an intake flow through a compressor inlet of a compressor of a gas turbine system. The controller is configured to control a turbine extraction gas (TEG) flow to the mixing chamber. The controller is configured to control at least one of a pressurized flow of the compressor to the mixing chamber and a steam flow to the mixing chamber. The TEG flow is extracted through a turbine casing. The heated flow includes the TEG flow and the at least one of the pressurized flow and the steam flow. | 2017-11-30 |
20170342904 | SPLIT-ZONE FLOW METERING T-TUBE - A gas turbine engine according to an example of the present disclosure includes a fan situated at an inlet of a bypass passage. The fan has a fan diameter, Dfan. A low pressure turbine section is configured to drive the fan and a first compressor section. The low pressure turbine section has a greater number of stages than the first compressor section. The low pressure turbine section has a maximum rotor diameter, Dturb. A ratio of the maximum rotor diameter Dturb divided by the fan diameter Dfan is less than 0.6. | 2017-11-30 |
20170342905 | AIRCRAFT WITH INJECTION COOLING SYSTEM AND INJECTION COOLING SYSTEM - An aircraft with a turbofan engine assembly having at least one compressor, a nacelle surrounding the turbine engine and defining an annular bypass duct between the nacelle and the turbine engine, a thrust reverser having at least one moveable control surface, a thrust reverser locking system configured to selectively lock the thrust reverser and an injection cooling system | 2017-11-30 |
20170342906 | FASTENER AND METHOD OF RESTRICTING FLUID FLOW USING SAME - According to one aspect, an apparatus includes a first member that has a first aperture and a second member adjacent to the first member and having a second aperture extending between opposed first and second faces of the second member and aligned with the first aperture to define a combined aperture that has a longitudinal extent. The second aperture is defined by a surface that has a portion having an extent transverse to the longitudinal extent. The apparatus further includes at least a portion of a fastener disposed in the combined aperture. The fastener has a first end proximal the first member and a second end proximal the second member and includes a first retaining member in contact with the first member, a second retaining member in interfering relationship with the portion, and a third retaining member in contact with the second face. | 2017-11-30 |
20170342907 | FIRE SHIELD INTEGRATED TO FUEL NOZZLE RETAINING BRACKET - A retaining bracket is attached to a fuel nozzle for cooperating with a flange on a fuel transfer tube to prevent the fuel transfer tube from becoming disconnected from the fuel nozzle during engine operation. The retaining bracket is shaped so as to form an enclosure over a head of the nozzle, the enclosure acting as a fire shield to allow the nozzle to perform its intended functions for a predetermined period of time when exposed to an engine fire event. | 2017-11-30 |
20170342908 | TURBINE ENGINE AND METHOD OF OPERATING - A method of operating a turbine engine that includes actuating a starter motor of the turbine engine such that a motoring speed of the turbine engine increases, and actuating a plurality of variable stator vanes of the turbine engine such that the plurality of variable stator vanes are at least partially open to control the motoring speed of the turbine engine. | 2017-11-30 |
20170342909 | SHAFT SEALING MECHANISM - A shaft sealing mechanism ( | 2017-11-30 |
20170342910 | ATTACHMENT SYSTEM FOR A GAS TURBINE ENGINE - The present disclosure is directed to a system for attaching an instrument lead to a gas turbine engine component. The system includes a gas turbine engine component that includes a surface. A first sleeve couples to the surface of the gas turbine engine component. The first sleeve defines a first sleeve passageway extending therethrough. An instrument lead extends through the first sleeve passageway. A first potting material couples the instrument lead to the first sleeve to prevent the instrument lead from moving longitudinally relative to the first sleeve. | 2017-11-30 |
20170342911 | POWER GENERATION SYSTEM EXHAUST COOLING - An airflow control system control system for a gas turbine system according to an embodiment includes: an airflow generation system including a plurality of air moving systems for selective attachment to a rotatable shaft of a gas turbine system, the airflow generation system drawing in an excess flow of air through an air intake section; and a mixing area for receiving an exhaust gas stream of the gas turbine system; the airflow generation system: directing a first portion and a second portion of the excess flow of air generated by the airflow generation system into the mixing area to reduce a temperature of the exhaust gas stream; and directing a third portion of the excess flow of air generated by the airflow generation system into a discharge chamber of a compressor component of the gas turbine system. | 2017-11-30 |
20170342912 | FUEL DELIVERY SYSTEM FOR A GAS TURBINE ENGINE - A gas turbine engine includes a combustion section, the combustion section including a plurality of fuel nozzles. A fuel delivery system for the gas turbine engine includes a feed tube and a fuel manifold fluidly connected to the feed tube for receiving fuel from the feed tube. The fuel delivery system also includes a pigtail fuel line fluidly connected to the fuel manifold and configured to fluidly connect to a fuel nozzle of the plurality of fuel nozzles when the fuel delivery system is installed in the gas turbine engine. In order to reduce an amount of hydraulic instability of a fuel flow through the fuel delivery system, at least one of the fuel manifold or the pigtail fuel line includes a means for damping a hydraulic instability within the fuel delivery system. | 2017-11-30 |
20170342913 | GAS TURBINE ENGINE INLET TEMPERATURE SENSOR CONFIGURATION - A gas turbine engine including a compressor, a combustor fluidly connected to the compressor via a primary flowpath, a turbine fluidly connected to the combustor via the primary flowpath, an engine controller communicatively coupled to at least one sensor in the gas turbine engine, the controller including a non-transitory memory and a processor, and the at least one sensor including an inlet temperature and/or pressure sensor, wherein the sensor is disposed aft of a fan. | 2017-11-30 |
20170342914 | VALVE DEVICE - A surface of a bearing member on a flow passage forming chamber-side is disposed to be exposed to the chamber. The bearing member includes a contact part, with which a side surface of a butterfly valve that is opposed to the bearing member is in contact, on at least a part of the surface of the bearing member on the chamber-side. The bearing member is a radial ball bearing and includes an outer bearing ring that is fitted to an inner periphery of a shaft hole, so that its axial displacement relative to a body is restricted, an inner bearing ring that is fitted on an outer periphery of a rotation shaft radially inward of the outer bearing ring, and a rolling element disposed between the outer bearing ring and the inner bearing ring. The contact part is provided on a surface of the inner bearing ring on the chamber-side. | 2017-11-30 |
20170342915 | LARGE TWO-STROKE COMPRESSION-IGNITED INTERNAL COMBUSTION ENGINE WITH FUEL INJECTION SYSTEM FOR LOW FLASHPOINT FUEL AND A FUEL VALVE THEREFORE - A large two-stroke turbocharged compression-ignited internal combustion crosshead engine with a plurality of cylinders has at least one pressure booster for each cylinder for boosting fuel pressure, two or more electronically controlled fuel valves for each cylinder with an inlet of the two or more electronically controlled fuel valves being connected to an outlet of the at least one pressure booster. An electronic control unit is connected to the at least one pressure booster and the two or more electronically controlled fuel valves. The electronic control unit is configured to determine a start time for a fuel injection event, activate the at least one pressure booster ahead of the determined start time and pen the two or more electronically controlled fuel valves at the determined start time. | 2017-11-30 |
20170342916 | APPARATUS FOR CONTROLLING GASOLINE-DIESEL COMPLEX COMBUSTION ENGINE AND METHOD FOR CONTROLLING GASOLINE-DIESEL COMPLEX COMBUSTION ENGINE - An apparatus for controlling a gasoline-diesel complex combustion engine includes an engine generating driving torque by burning gasoline fuel and diesel fuel, a driving information detector for detecting driving information of the engine, and a controller for controlling a diesel injector such that diesel fuel is injected as a single injection or a split injection based on a driving region and a knock intensity included within the driving information. | 2017-11-30 |
20170342917 | HYDROCARBON VAPOR START TECHNIQUES USING A PURGE PUMP AND HYDROCARBON SENSOR - An evaporative emissions (EVAP) control system for a vehicle includes a purge pump configured to pump fuel vapor to an engine of the vehicle via a vapor line and a purge valve. The system includes a hydrocarbon (HC) sensor disposed in the vapor line and configured to measure an amount of HC in the fuel vapor pumped by the purge pump to the engine via the vapor line. A controller is configured to: detect an imminent cold start of the engine and, in response to the detecting, perform the cold start of the engine by controlling at least one of the purge pump and the purge valve, based on the measured amount of HC, to deliver a desired amount of fuel vapor to the engine, which decreases HC emissions by the engine. | 2017-11-30 |
20170342918 | HYDROCARBON VAPOR CONTROL USING PURGE PUMP AND HYDROCARBON SENSOR TO DECREASE PARTICULATE MATTER - An evaporative emissions (EVAP) control system for a vehicle includes a purge pump configured to pump fuel vapor to a direct injection (DI) engine of the vehicle via a vapor line and a purge valve and a hydrocarbon (HC) sensor disposed configured to measure an amount of HC in the fuel vapor. The system also includes a controller configured to detect an HC vapor supply condition indicative of an operating condition of the Di engine where engine vacuum is less than an appropriate level for delivering the fuel vapor to the DI engine via the vapor line; and in response to detecting the HC vapor supply condition, controlling at least one of the purge pump and the purge valve, based on the measured amount of HC, to deliver a desired amount of fuel vapor to the DI engine to decrease particulate matter (PM) produced by the DI engine. | 2017-11-30 |
20170342919 | EVAPORATIVE EMISSIONS CONTROL SYSTEM INCLUDING A PURGE PUMP AND HYDROCARBON SENSOR - An evaporative emissions (EVAP) control system for a vehicle includes a purge pump configured to pump fuel vapor trapped in a vapor canister to an engine of the vehicle via a vapor line when engine vacuum is less than an appropriate level for delivering fuel vapor to the engine, the fuel vapor resulting from evaporation of a liquid fuel stored in a fuel tank of the engine. The EVAP control system includes a hydrocarbon (HC) sensor disposed in the vapor line and configured to measure an amount of HC in the fuel vapor pumped by the purge pump to the engine via the vapor line. The EVAP control system also includes a controller configured to, based on the measured amount of HC, control at least one of the purge pump and a purge valve to deliver a desired amount of fuel vapor to the engine. | 2017-11-30 |
20170342920 | ENGINE TORQUE SMOOTHING - Methods, devices, estimators, controllers and algorithms are described for estimating the torque profile of an engine and/or for controlling torque applied to a powertrain by one or more devices other than the engine itself to manage the net torque applied by the engine and other device(s) in manners that reduce undesirable NVH. The described approaches are particularly well suitable for use in hybrid vehicles in which the engine is operated in a skip fire or other dynamic firing level modulation manner—however they may be used in a variety of other circumstances as well. In some embodiments, the hybrid vehicle includes a motor/generator that applies the smoothing torque. | 2017-11-30 |
20170342921 | ENGINE TORQUE SMOOTHING - Methods, devices, estimators, controllers and algorithms are described for estimating the torque profile of an engine and/or for controlling torque applied to a powertrain by one or more devices other than the engine itself to manage the net torque applied by the engine and other device(s) in manners that reduce undesirable NVH. The described approaches are particularly well suitable for use in hybrid vehicles in which the engine is operated in a skip fire or other dynamic firing level modulation manner—however they may be used in a variety of other circumstances as well. In some embodiments, the hybrid vehicle includes a motor/generator that applies the smoothing torque. | 2017-11-30 |
20170342922 | ENGINE TORQUE SMOOTHING - Methods, devices, estimators, controllers and algorithms are described for estimating the torque profile of an engine and/or for controlling torque applied to a powertrain by one or more devices other than the engine itself to manage the net torque applied by the engine and other device(s) in manners that reduce undesirable NVH. The described approaches are particularly well suitable for use in hybrid vehicles in which the engine is operated in a skip fire or other dynamic firing level modulation manner—however they may be used in a variety of other circumstances as well. In some embodiments, the hybrid vehicle includes a motor/generator that applies the smoothing torque. | 2017-11-30 |