53rd week of 2020 patent applcation highlights part 33 |
Patent application number | Title | Published |
20200408037 | DRAW BAR AND BRAKE ARRANGEMENT FOR A DRAW BAR - A brake arrangement, for a retractable screen arrangement in which the a screen roller applies a retraction force to the screen and brake arrangement, includes a brake arrangement, for providing a braking force between the brake arrangement and a track which guides the brake arrangement, to resist retraction. The brake arrangement provides a brake member with a friction surface for contacting the bearing surface; a brake member support for supporting the brake member; and a forcing arrangement for forcing the friction surface against the bearing surface. The forcing arrangement includes a biasing arrangement for biasing the friction surface onto the bearing surface, and a force-increasing arrangement for increasing the force with which the friction surface engages the bearing surface. The force increasing arrangement converts a frictional force between the friction surface and the track into additional contact pressure force of the friction surface onto the guide track. | 2020-12-31 |
20200408038 | ROLLER SHADE ACTUATION DEVICE - A roller shade actuation device includes a driver arranged in a winding drum, a shaft fixed to a support frame outside one end of the winding drum and inserted into the winding drum, and a transmission mechanism for realizing power transmission between the driver and the shaft. The driver includes a housing relatively fixed to the winding drum, a rotation power member arranged in the housing, and a driving gear coaxial with and fixed to an output shaft of the rotation power member. The transmission mechanism includes a first transmission gear meshed with the driving gear, a synchronous gear coaxial with the first transmission gear, and a fixed gear fixed to the shaft and meshed with the synchronous gear. Axial directions of the output shaft and the shaft are vertical, and the synchronous gear and the fixed gear are bevel gears whose axial directions are perpendicular to each other. | 2020-12-31 |
20200408039 | GEARED WINDOW SHADE BRACKET WITH BEAD STOP - The geared window shade bracket comprises a sprocket having a ring gear on an inside circumference of the sprocket; a chain configured to be engaged with the sprocket such that, in response to pulling on the chain, the sprocket rotates; a sun gear that is configured to be restricted from rotation; one or more planet gears configured to rotate around the sun gear, wherein the one or more planet gears interface with the ring gear; and a planetary carrier configured to mate with the one or more planet gears. In response to the chain being pulled, the sprocket rotates, causing the planet gears to rotate, causing the planetary carrier to rotate, causing the hub to rotate, and causing a shade tube to rotate. | 2020-12-31 |
20200408040 | Push and Slide Gate Handle - The present gate handle includes a push button that is pushed before the gate handle is slid from a closed position to an open position on top of a support member. The support member includes a resilient button that extends into the gate handle and is pushable out of the gate handle by the push button. The support member further includes side slots that are engaged by side slides extending from the handle. | 2020-12-31 |
20200408041 | GUIDANCE METHOD FOR MULTILATERAL DIRECTIONAL DRILLING - Guidance methods for guiding the drilling, of wells while reducing trajectory drift. Each drilled well incorporates signalling devices which are used together or in a selected sequence to guide additional well drilling. With the progressive addition of the signalling devices spacing, positioning and connection of wells, particularly multilateral wells, is focused and precise. | 2020-12-31 |
20200408042 | HIGH POWER LASER PERFORATING AND LASER FRACTURING TOOLS AND METHODS OF USE - There are provided high power laser perforating tools and methods of delivering laser energy patterns that enhance the flow of energy sources, such as hydrocarbons, from a formation into a production tubing or collection system. These tools and methods precisely deliver predetermined laser beam energy patterns, to provide for custom geometries in a formation. The patterns and geometries are tailored and customized to the particular geological and structural features of a formation and reservoir. | 2020-12-31 |
20200408043 | Core Barrel Stabilizer - A core barrel stabilizer that offers a simple solution in creating an initial drilling kerf in conjunction with a hollow core barrel for drilling large diameter holes into the earth for a plethora of construction needs. The core barrel stabilizer includes a centering rod for keeping the core barrel stabilizer and hollow core barrel centered during drilling the initial perimeter kerf, an eyelet hook for easily maneuvering the core barrel stabilizer between drill holes and transportation, and an inner barrel used to rest the inner wall of the hollow core barrel against during drilling to ensure the drilling kerf can be started. | 2020-12-31 |
20200408044 | SEAL ASSEMBLY FOR USE IN EARTH-BORING ROTARY TOOLS IN SUBTERRANEAN BOREHOLES AND RELATED METHODS - An earth-boring rotary tool includes a body comprising a pin, a roller cone mounted on the pin, and a seal assembly disposed between the pin and the roller cone. The seal assembly includes a seal ring to form a seal between the seal ring and the roller cone. The seal assembly includes a first polymer ring, while compressed, applies a first force on the seal ring that biases the seal ring towards the roller cone. The seal assembly includes a second polymer ring proximate the first polymer ring. The second polymer ring, while compressed, applies a second force on the seal ring to further bias the seal ring towards the roller cone. The second force is greater than the first force. | 2020-12-31 |
20200408045 | LASER INDUCED GRAPHENE COATED OPTICAL FIBERS - Optical fiber having a graphene coating, a method to apply a graphene coating onto an optical fiber, and a fiber optic cable having a graphene coating are disclosed. A first carbon based coating is applied to an optical fiber along a longitudinal axis of the optical fiber. A laser beam is focused at the first carbon based coating. A first surface of the first carbon based coating is photothermally converted into a first layer of graphene. | 2020-12-31 |
20200408046 | CONNECTION SYSTEM FOR A WELL STRING - A connection system includes a turnbuckle having a first set of threads and a second set of threads disposed on an inner surface of the turnbuckle. The turnbuckle is configured to couple two threaded components to one another via rotation of the turnbuckle in a first direction. In addition, the connection system includes a compression washer configured to compress as the turnbuckle rotates in the first direction. The compression washer is configured to apply a longitudinal force to the turnbuckle while the compression washer is compressed to increase resistance to rotation of the turnbuckle in a second direction, opposite the first direction. | 2020-12-31 |
20200408047 | Double-Shouldered Connection for Drilling Tubulars with Large Inside Diameter - A threaded connection for drilling tubulars includes a tubular box section having a sidewall. The box section has a tapered box portion of an inner surface of the sidewall between a first end and a second end. The tapered box portion has internal threads, a first torque shoulder on a first side of the tapered box portion, and a second shoulder on a second side of the tapered box portion. A threaded collar having internal collar threads is positioned between the second end and the second shoulder. A threaded insert having a tubular body with an inner surface and an outer surface having external insert threads is configured for threadably connecting to the internal collar threads. A direction of the internal threads of the tapered box portion is opposite to a direction of the internal collar threads and the external insert threads. | 2020-12-31 |
20200408048 | CONNECTION FOR PERCUSSION DRILLING - A connection for use in percussion drilling includes a male coupling and a female coupling. Each coupling includes a body and a respective screw thread formed on a respective inner or outer surface of the respective body. Each thread has a thread-form including a crest, a root, a contact flank and a non-contact flank. Each thread-form has a contact flank angle and a non-contact flank angle inclined relative to a respective baseline located at a respective minor or major diameter thereof. Each non-contact flank angle is greater than the respective contact flank angle. The crest of each thread-form is inclined from the respective contact flank to the respective non-contact flank such that an apex of the respective thread-form defining a respective minor or major diameter thereof is located adjacent to the respective non-contact flank. | 2020-12-31 |
20200408049 | PUMPDOWN APPARATUS AND METHOD - A shock absorber apparatus includes a rod; a tool connection on a first end of the rod; a piston on a second end of the rod; a flange on the rod between the tool connection and the piston; a ring connection slidably connected to the rod between the tool connection and the flange; a first spring between the ring connection and the flange to bias the ring connection axially away from the flange; a sleeve, connected to a second spring between the second spring and the piston, slidably encircling the piston and a portion of the rod, and extending past the piston to a pumpdown connection; and a fin. A method for a placing a tool in a landing ring of a drilling tubular includes using the shock absorber apparatus to absorb shocks caused by the landing operation. | 2020-12-31 |
20200408050 | DOWNHOLE APPARATUS AND ASSOCIATED METHODS - A centraliser includes a number of members extending between two collars for mounting the centraliser on a casing. The members are configured to contact a wall of the bore and centraliser the casing in the bore. The members are radially moveable between the casing and the bore wall. The members further include an intermediate portion and end portions, the end portions being relatively more flexible than the intermediate portion. | 2020-12-31 |
20200408051 | DRILLING TOOL WITH THREAD PROFILE - A drilling tool for use in a wellbore is provided. The drilling tool comprises a first collar having a first bore extending from a first send to a second end and an internal thread disposed on the bore at the second end. The drilling tool also comprises a second collar having a second bore extending from a third end to a fourth end and an external thread disposed on the third end. The third end is coupled to the second end of the first collar. A first set of components is housed within the first bore and a second set of components is housed on a sidewall of the second collar formed between the second bore and an outer surface of the second collar. | 2020-12-31 |
20200408052 | EX-SITU SOLIDIFICATION SYSTEM - An apparatus is disclosed which includes at least one feed line, a mixer including a first inlet configured to receive flow from the feed line and a second inlet configured to receive a flow from an external source, an outlet, at least one first conveyor to feed a first flow from the at least one feed hopper to the mixer, and at least one second conveyor to discharge a flow from the mixer via the outlet. | 2020-12-31 |
20200408053 | LATCHING APPARATUS AND METHOD - A latching apparatus includes a body, a fin biased to protrude from the body, and a biasing element for so biasing the fin. A method for securing a tool in a drilling tubular includes connecting the tool to a latching apparatus, the latching apparatus including a fin biased to protrude radially outward, forcing the latching apparatus into the drilling tubular, and forcing the latching apparatus through a landing ring. | 2020-12-31 |
20200408054 | DISINTEGRABLE DOWNHOLE TOOLS AND METHOD OF USE - A method for operating in a borehole penetrating a formation is disclosed. The method includes disposing in the borehole an assembly comprising a load-bearing and oil-disintegrable tool comprising a polymeric composite; performing a downhole operation; and disintegrating the load-bearing and oil-disintegrable tool with a hydrocarbon fluid. The polymeric composite comprises an oil-disintegrable polymer which is one or more of the following: a polydicyclopentadiene, polypropylene, polyurethane, polycarbonate, polysulfone, or a high density polyethylene, the polyurethane being a polyhedral oligomeric silsesquioxane-modified polyurethane, a lauryl methacrylate graft polyurethane copolymer, a divinylbenzene crosslinked polyurethane, or a combination comprising at least one of the foregoing. | 2020-12-31 |
20200408055 | FRAC-BALL WITH EXOTHERMIC REACTION CONSTITUENTS - A frac-ball, a system including the frac-ball, and a method using the frac-ball are provided. The frac-ball includes a body and an exothermic reaction initiator. The frac-ball body includes a material having at least two dissimilar metallic constituents, which dissimilar metallic constituents are configured to permit an exothermic reaction there between. The exothermic reaction initiator is in communication with the body, and is configured to selectively initiate an exothermic reaction between the two dissimilar metallic constituents. | 2020-12-31 |
20200408056 | Slot Recover Method - The present concept is a method of slot recovery for the oil industry. The method involves running an internal cutter down the production casing to cut through a preselected number of existing casings at predetermined depths before drilling around the outermost preselected casing with a hollow drill bit. The hollow drill bit drills through the preslected outermost casing cement to the predetermined depth before a removal tool attached to the inside of the production casing is used to remove the existing casings to the predetermined depth. These steps are repeated using appropriately sized hollow drill bits and casings to drill around the next preselected outermost casings to the next predetermined depth, continuously removing the existing casings until all desired existing casings are removed. | 2020-12-31 |
20200408057 | PRESSURE-RETAINING CONNECTOR USEFUL ON WELLHEADS - High pressure seals for pressure control fittings are disclosed, where such pressure control fittings are located at a wellhead, for example. Embodiments of cam lock seals, a spring-driven ball race seal and wedge seals are disclosed. | 2020-12-31 |
20200408058 | BLOWOUT PREVENTER CONTROL SYSTEM AND METHODS FOR CONTROLLING A BLOWOUT PREVENTER - A blowout preventer system includes a lower blowout preventer (BOP) stack including a number of hydraulic components, and a lower marine riser package (LMRP) including a first control pod and a second control pod adapted to provide, during use, redundant control of hydraulic components of the lower blowout preventer stack where the first and the second control pods are adapted to being connected, during use, to a surface control system and to be controlled, during use, by the surface control system, wherein the blowout preventer system further includes at least one additional control pod connected to at least one additional surface control system and to be controlled, during use, by the additional surface control system. In this way, an improved blowout preventer system is provided. | 2020-12-31 |
20200408059 | HARDFACED METAL SURFACE AND METHOD OF MANUFACTURE - An apparatus is disclosed as including a first material volume with at least a hardened portion and a second material volume that includes at least two layers. The first material volume is composed of at least a hardenable alloy of steel. The at least two layers is located adjacent to a first surface comprising the hardened portion of the first material volume. The at least two layers includes a first layer composed of at least a ductile low-carbon alloy of steel and a second layer composed of at least a cobalt-based hardfacing over the first layer. The apparatus is applicable in preparing shear ram blocks and shear ram blades to provide a hardened blade edge with an adjacent hardfacing surface. | 2020-12-31 |
20200408060 | RISER ASSIST FOR WELLSITES - An apparatus and associated method is disclosed for a riser hanging system. The apparatus includes a first elongated member with a provision for a first external mechanical coupling at a distal location on the first elongated member. A second elongated member is mechanically coupled to the first elongated member at proximal locations on the first elongated member and the second elongated member. A third member is mechanically coupled to a first portion of the first elongated member. The third member includes a fourth member to move through at least a second portion of a length of the second elongated member. Mechanical couplers associated with the second elongated member are provided for a second external mechanical coupling of the riser to the apparatus. The riser may be hoisted using the apparatus for better control during coupling to the wellhead. | 2020-12-31 |
20200408061 | ANNULAR BARRIER WITH PRESS CONNECTIONS - The present invention relates to an annular barrier for providing zonal isolation in an annulus downhole between a well tubular metal structure and another well tubular metal structure or a wall of a borehole, the annular barrier having an axial extension and comprising a tubular metal part with an inner part face and an outer part face and configured to be mounted as part of the well tubular metal structure, an expandable metal sleeve surrounding the tubular metal part, forming an expandable space therebetween; the expandable metal sleeve is configured to be expanded in a well downhole from a first outer diameter to a second outer diameter in order to abut against the well tubular metal structure or the wall of the borehole, the expandable metal sleeve having a first end part, a second end part and an outer face, and at least one of the end parts comprising at least one circumferential groove facing the outer part face, wherein the tubular metal part bulges radially outwards in relation to the axial extension, forming at least one circumferential projection engaging the groove, thus providing a connection of the expandable metal sleeve to the tubular metal part. The invention also relates to a downhole system and a mounting method for mounting an expandable metal sleeve of an annular barrier to the tubular metal part. | 2020-12-31 |
20200408062 | THROUGH TUBING P&A WITH TWO-MATERIAL PLUGS - Methods of plugging a hydrocarbon well by a through-tubing technique wherein the tubing is left in place, and only very short (<5 m) sections are cut, milled, perforated, ruptured and expanded, or combinations thereof. A blocking device is sent downhole if needed to block a bottom of the plug section, and resin dropped onto the blocking device to make a first plug, then cement is deployed onto said first plug to form a second plug. Therefore, the final interval is plugged with a two material binary plug. Once completed, and both primary and secondary barriers are in place, the well can be closed and the Christmas tree removed. A rock-to-rock plug can be set by removing or partially removing the tubular and the outer casing, or just inner casing/tubulars can be removed if the exterior cement and casing are of sufficient quality. | 2020-12-31 |
20200408063 | POLYMER GEL COMPOSITIONS FOR TREATING AQUEOUS ZONES IN SUBTERRANEAN FORMATIONS AND METHODS OF TREATING THE AQUEOUS ZONES - A polymer gel composition for treating an aqueous zone of a subterranean formation may include a base polymer, a cross-linking agent, and an adsorption system. The adsorption system may include one or more silane compounds or a combination of silane compounds and silicates. The adsorption system may improve bonding of the polymer gel composition to the pore surfaces of the rock in the aqueous zone. A method of treating an aqueous zone of a subterranean formation may include injecting the polymer gel composition into the aqueous zone of the formation and allowing the polymer gel composition to cure to form a cross-linked polymer gel matrix that provides a barrier that reduces or prevents the flow of aqueous materials from the aqueous zone to the wellbore. | 2020-12-31 |
20200408064 | FLOW CONTROL IN SUBTERRANEAN WELLS - A flow conveyed plugging device for use in a well, the device can include a body, and one or more lines extending outwardly from the body, each of the lines having a lateral dimension that is substantially smaller than a size of the body. A method of plugging an opening in a well can include deploying at least one flow conveyed plugging device into the well, the flow conveyed plugging device including a body and, extending outwardly from the body, at least one of the group consisting of: a) one or more fibers and b) one or more lines, the flow conveyed plugging device being conveyed by flow in the well into sealing engagement with the opening. Another flow conveyed plugging device can include a body, and fibers extending outwardly from the body. The flow conveyed plugging device degrades and thereby permits flow through an opening in the well. | 2020-12-31 |
20200408065 | SHOCK RESISTANT CIRCULATION SUB - A circulation sub and method of operating a circulation sub. The circulation sub includes a support member having a longitudinal axis and a piston movable along the longitudinal axis of the support member. A release member secures the piston to the support member. A force is applied along a length axis of the release member greater than a selected decoupling force threshold to decouple the support member from the piston, thereby allowing the piston to move along the longitudinal axis of the member. | 2020-12-31 |
20200408066 | FLOW CONTROL DEVICE AND METHOD - It is provided a fluid flow control device for establishing a controllable fluid communication between an external fluid reservoir and a base pipe constituting part of a production string, as well as a production string and a method using such a fluid flow control device. The fluid flow control device comprises a primary flow path arranged inside a fluid control device housing, a secondary flow path and a movable valve element arranged at and/or within the primary flow path. The inlet of the secondary flow path is arranged separate from the inlet of the primary flow path. | 2020-12-31 |
20200408067 | BALL VALVE FOR OIL AND GAS FRACTURING OPERATION - A ball valve assembly configured to be controlled remotely can be included in a system for fracking a well. Ball valve assemblies of the present disclosure can include a main body having a bore for transmitting fluid therethrough and a ball disposed within the main body and having a throughbore, the ball being hydraulically rotatable within the main body for rotation between an open state and a closed state of the ball. Such ball valve assemblies can include other components such as one or more wipers on and in contact with an external surface of the ball throughout rotational operations of the ball to minimize debris from interfering with the valve, and/or pressure equalizing valves to adjust fluid pressure above and below the ball of the assembly, for example. Further, the ball vale assembly can be adapted to operate more safely by including a directional lock plate. | 2020-12-31 |
20200408068 | RESETTABLE TOE VALVE - A toe valve to control the injection of fluid into a toe of an oil or gas well and including: a body with a bore, the body having a port adapted to permit fluid flow between the bore and an outlet on an external surface of the toe valve when the port is open; a closure member adapted to move from an initial closed position in which the port is closed, to an open position in which the port is open; and an actuating mechanism which can be actuated to urge the closure member from the initial closed position toward the open position, and which can be reset when the closure member is moving between the closed and open positions to return the closure member to the initial closed position. | 2020-12-31 |
20200408069 | REDUCTION OF HYDROGEN INGRESS INTO VACUUM INSULATED TUBING - A vacuum insulated tubing including an inner pipe, an outer pipe concentrically arranged about the inner pipe such that an annulus is defined between the inner and outer pipes. A vacuum is drawn within the annulus, and a hydrocarbon-based coating is applied to at least one of the surfaces of the inner pipe or one of the surfaces of the outer pipe to reduce a rate of hydrogen migration into the annulus. | 2020-12-31 |
20200408070 | DRILLING RIG POWER SUPPLY BUS MANAGEMENT - A power system and method for the adaptive power control of a drilling rig. While operating the internal combustion engine in its efficient operating range, unrequired mechanical power is converted to electrical power for storage, or use via the electrical bus on the rig. When the internal combustion engine is not required to provide mechanical or electrical power it is deactivated, and then reactivated—electrical storage on the system in the meantime providing electrical power to the bus as required. The power supply and management system could be retroactively fitted to an existing drilling rig by the incorporation of a generator and electrical storage device thereon. The system and method of the present invention allow for the optimized use of combustion-based power on a drilling rig while minimizing environmental emissions from the idle running of the at least one internal combustion engine. | 2020-12-31 |
20200408071 | MOBILE POWER GENERATION SYSTEM - The present invention discloses a mobile power generation system. A power generation apparatus is respectively quickly connected, through expansion joints, to an intake assembly and an exhaust duct which are separately transported, to implement the quick installation and connection of the power generation system at the fracturing operation site. Two conveyances are respectively provided for the intake assembly and the exhaust duct to achieve more flexible adjustment during connection. While the position of the power generation apparatus is fixed, the intake assembly is moved to connect to an intake chamber of the power generation apparatus, and the exhaust duct is moved to connect to an exhaust collector of the power generation apparatus. | 2020-12-31 |
20200408072 | Apparatus for Accessing Subsea Production Flow Systems - The invention provides an access apparatus for accessing a flow system in a subsea oil and gas production installation, a method of installation and a subsea horizontal connection installation. In one aspect, the access apparatus comprises a body, a plurality of connectors configured to connect the apparatus to the flow system and an access interface providing an access point to the flow system. The body defines at least one bore which fluidly connects at least one of the plurality of connectors to the access interface to provide a path between the access interface and the flow system. A first connector of the plurality of connectors is oriented with a longitudinal axis in a substantially horizontal plane, such that the at least one connector is configured to connect to a respective horizontally oriented connector of the flow system and a second connector of the plurality of connectors forms part of a connection interface for a jumper flowline, the connection interface replicating a flow system connection interface. The access apparatus is configured to be connected between the, flow system connection interface and the jumper flowline. | 2020-12-31 |
20200408073 | SAND CONTROL SCREEN ASSEMBLIES AND ASSOCIATED METHODS OF MANUFACTURING - A sand control screen assembly includes a base pipe having openings through its thickness, and a mesh layer having mesh material sections coupled to safe edges, or connectors, for connecting sections together. The safe edges include areas of thinning to provide flex joints that yield when exposed to high stresses. The mesh layer may be a drainage layer or a filter medium of the sand control screen assembly. | 2020-12-31 |
20200408074 | PERFORATING DEVICE FOR HORIZONTAL WELLS - A perforating device includes a release sub, a rotating segment, a first centralizer, a braking segment, a casing collar locator, a traction mechanism, a second centralizer, a flex joint, a power supply segment, a shock absorber, a perforator, and a tail segment, which are in threaded connection sequentially to each other. The first joint assembly includes a first joint, a guide key, a connecting sleeve including a locking groove, a second joint, and an outer pipe; the first joint of the first joint assembly is in threaded connection to the cable bridle, and the second joint is in threaded connection to the outer pipe. The connecting sleeve is disposed inside the outer pipe and is connected to the first joint through the guide key. The second joint assembly includes a plurality of locking claws, a third joint, and a head. | 2020-12-31 |
20200408075 | SHAPED CHARGE WITH TRI-RADII LINER FOR OILFIELD PERFORATING - Provided are liners for a shaped charge and corresponding methods of use. An example liner comprises a generally conical shape having an apex, an open side, a liner wall comprising a thickness, and an axis extending through the center of the liner from the apex to the center of the open side. The liner comprises a liner height extending in a vertical plane from the center of the open side to the apex, a liner radius extending along a horizontal plane that is perpendicular to the axis at the open side of the liner and that extends from the axis to an outermost edge of the liner wall. The ratio of the liner height to the liner diameter is about 0.90 to about 1.10. The liner wall comprises an apex curvature, a first wall curvature, a second wall curvature, and a third wall curvature. | 2020-12-31 |
20200408076 | OIL-DISPLACING SYSTEM AND METHOD - The present invention discloses an oil-displacing system and method. The system includes a power supply, a control switch, a controller and a transient electromagnetic generator. The power supply is connected to the transient electromagnetic generator, the control switch is disposed in a connection path between the power supply and the transient electromagnetic generator, and a control end of the control switch is connected to the controller. The controller is configured for controlling the closing and opening of the control switch, thereby controlling the connection and closing of the connection path between the power supply and the transient electromagnetic generator. The transient electromagnetic generator is disposed in an oil well casing at a position in an oil formation, for generating a transient electromagnetic field according to the connection and closing of the connection path between the power supply and the transient electromagnetic generator. The oil-displacing system and method provided by the present invention can dredge a pore throat and improve recovery efficiency. | 2020-12-31 |
20200408077 | PRESSURIZING AND PROTECTING A PARENT WELL DURING FRACTURING OF A CHILD WELL - A method for protecting a wellbore includes identifying a parent wellbore and a child wellbore and identifying a parent well stage along the parent wellbore that has the potential to interact with a child well stage along the child wellbore while the child well stage undergoes hydraulic fracturing. The method further includes pumping a treatment fluid downhole to the parent well stage for pressurizing the parent well stage to a pressure that is equal to or greater than the pressure in the child well stage while the child well stage undergoes hydraulic fracturing and maintaining the pressure in the parent well stage that is equal to or greater than the pressure in the child well stage while the child well stage undergoes hydraulic fracturing. | 2020-12-31 |
20200408078 | INTEGRATED COLLAR SENSOR FOR A DOWNHOLE TOOL - Aspects of the subject technology relate to a sensor for a downhole tool. The downhole tool can include a collar and a sensor. The sensor can be secured to the collar for measuring one or more operational characteristics of the downhole tool during operation of the downhole tool. The sensor can include a substrate. The sensor can also include a plurality of strain gauges disposed on the substrate. The plurality of strain gauges can be configured to measure axial strains and torsional strains on the collar for measuring the one or more operational characteristics of the downhole tool. | 2020-12-31 |
20200408079 | BEARING FAULT DETECTION FOR SURFACE PUMPING UNITS - Methods and apparatus for operating a rod pumping unit for a wellbore are provided. One example method includes measuring vibration data in the time domain using at least one sensor coupled to a housing for a moving component of the rod pumping unit; converting the vibration data in the time domain to vibration data in the frequency domain; determining that: (1) at least one frequency component of the frequency-domain vibration data in a first frequency band has a power above a first threshold; or (2) a number of frequency components of the frequency-domain vibration data in a second frequency band having power above a second threshold is above a third threshold; and outputting an indication based on the determination. | 2020-12-31 |
20200408080 | DESICCATING MODULE TO REDUCE MOISTURE IN DOWNHOLE TOOLS - A desiccating module configured to be installed in a downhole tool is provided. The desiccating module includes a housing having a containment portion, and desiccant located in the containment portion of the housing capable of retaining moisture therein. The housing is configured to be retained in a downhole tool containing moisture sensitive electronics. The housing is configured to permit passage of moisture from outside the housing to the containment portion and to retain the desiccant within the containment portion. The desiccant have a retention capacity sufficient to hold a predetermined threshold amount of moisture. | 2020-12-31 |
20200408081 | PROTECTIVE HOUSING FOR ELECTRONICS IN DOWNHOLE TOOLS - Aspects of the subject technology relate to a downhole protective housing for electronic components including a circuit board. The protective housing can include a chassis comprising two elongate side rails, a circuit board located between the pair of elongate side rails, an armature fixedly coupled to the chassis, a buffer coupled to the circuit board. The protective housing can further include a substantially cylindrical intermediate sleeve, a substantially cylindrical outer case, and a pair of end caps, one each located at opposite distal ends of the protective housing. | 2020-12-31 |
20200408082 | DEVICE FOR DAMPENING THE FORCE ACTING ON AN ELECTRONIC COMPONENT, AND A DRILL ROD SECTION OF A GROUND DRILLING DEVICE HAVING SUCH A DEVICE - A device for dampening the action of a force on an electronic component, particularly one in the form of a probe, wherein the device comprises a receptacle space for the component, which is surrounded by an outer wall along a longitudinal axis, and transversely to the longitudinal axis there is situated an end closure of the receptacle space, wherein the outer wall and the closure comprise the same material and the material has a structural conformation which produces a dampening effect of the device in the longitudinal direction. | 2020-12-31 |
20200408083 | ELECTRONIC MODULE HOUSING FOR DOWNHOLE USE - Methods, systems, devices, and products for downhole operations. Embodiments include downhole tools comprising an outer member configured for conveyance in the borehole; a pressure barrel positioned inside the outer member; a substantially cylindrical pod positioned inside the pressure barrel; and at least one downhole electronic component mounted between the exterior surface and the frame. The pod comprises at least one rigid outer surface forming an exterior surface of the pod and supported by a central frame extending across a diameter of the pod, such as a plurality of outer rigid surfaces. The pod may include a plurality of coupled rigid elongated semicircular metallic shells, wherein each shell of the plurality comprises a rigid outer surface of the plurality of outer rigid surfaces. Each of the at least one downhole electronic component may be sealingly enclosed within a corresponding shell. | 2020-12-31 |
20200408084 | SENSOR FUSION AND MODEL CALIBRATION FOR BIT ATTITUDE PREDICTION - Techniques for estimating a current inclination and azimuth of a drill bit of a wellbore drilling system are described. The estimates for the current inclination and azimuth are generated using measurements obtained for one or more parameters associated with the drilling process performed by the drill bit and taken over a range of the wellbore falling within a sliding window having a predefined distance D extending along the wellbore. | 2020-12-31 |
20200408085 | MEASUREMENT OF INCLINATION AND TRUE VERTICAL DEPTH OF A WELLBORE - The accuracy of directional surveys may be improved using accelerometers, magnetometers, or both. A control system containing accelerometers is configured specifically to correct errors in bias and gain of each accelerometer by requiring the measured field strengths to be as constant as possible over several tool face angles over multiple points in a wellbore, even when all measurements are within a tangent or lateral section of a wellbore. Corrections for the bias and gain errors determined based on one or more measurements from the accelerometers are applied to measurements at other survey points to improve the accuracy of surveys and the efficiency of drilling operations. | 2020-12-31 |
20200408086 | METHOD AND SYSTEM FOR NON-INTRUSIVELY DETERMINING CROSS-SECTIONAL VARIATION FOR A FLUIDIC CHANNEL - A method is provided for non-intrusively determining cross-sectional variation of a fluidic channel. The method includes obtaining, from one or more sensors, a measured pressure profile based on at least one pressure pulse induced in a fluidic channel. A forward model of cross-sectional variation of the fluidic channel is generated. Using the forward model, a simulated pressure profile is generated. Using the measured pressure profile and the simulated pressure profile, an error is determined. When the error is outside a predetermined threshold, the forward model is updated based on the error. | 2020-12-31 |
20200408087 | DOWNHOLE NETWORK INTERFACE UNIT FOR MONITORING AND CONTROL - A downhole networking interface unit provides conversion between multiple native format signals of downhole instruments to power line communication messages exchanged with a controller positionable at the surface of a wellbore. Certain aspects and features provide methods of power line communication. In one aspect, a computing device may send and receive messages in a power line communication format over a cable to and from at least one downhole device. The computing device may send and receive messages in the power line communication format to and from a network interface unit that can be coupled to the cable. The network interface unit may have multiple interfaces for communicating downhole using differing types of native signals for differing types of downhole devices such as sensor, instruments, and inductive couplers. | 2020-12-31 |
20200408088 | WELLBORE NETWORK WITH REMOTE DIAGNOSTICS - A downhole network-interface unit provides remote diagnostics and control for a downhole communications network. A network-interface unit may convert native format signals from downhole devices to a signal to be sent to a surface controller. Remote diagnostics of signal anomalies in the downhole network can be provided by the network-interface unit to provide diagnostics information, such as measurements or signal waveforms, to the surface. In some examples, the network-interface unit can also segment the downhole network as needed to maintain network health and integrity. Network segmentation can take place automatically in response to determining an anomalous condition or can be directed from a surface controller. | 2020-12-31 |
20200408089 | SURFACE LOGGING WELLS USING DEPTH-TAGGING OF CUTTINGS - Systems and methods of surface logging a well using a plurality of polymeric taggants distinguishable from each other include adding each of the plurality of polymeric taggants to a circulating drilling fluid while drilling the well in a repeating sequence and taking a sample drill cuttings carried by the circulating drilling fluid. | 2020-12-31 |
20200408090 | METHODS AND SYSTEMS FOR CHARACTERIZING PROPERTIES OF RESERVOIR ROCK - Methods and systems are provided that combine NMR and IR spectroscopy measurements on a rock sample to determine data representing at least one property of the rock sample. In one embodiment, cuttings can be split into first and second lots. Results of an NMR measurement performed on the first lot of cuttings without cleaning can be analyzed to determine pore volume of the cuttings. Results of an IR spectroscopy measurement performed on the second lot of cuttings after solvent cleaning can be analyzed to determine matrix density of the cuttings. Porosity can be determined from the pore volume and matrix density of the cuttings. In another embodiment, combined NMR and IR spectroscopy measurements can be performed on an unprepared rock sample (without solvent cleaning) to characterize properties of kerogen in the rock sample and porosity. In another aspect, a method is provided that employs multi-nucleic NMR measurements to determine porosity. | 2020-12-31 |
20200408091 | METHOD AND SYSTEM FOR ACQUIRING GEOLOGICAL DATA FROM A BORE HOLE - A system for blast hole data collection for use in a mine site incorporates an instrument configured to acquire geological property data of a blast hole for processing in the system or remotely and a vehicle having a handling system configured to move the instrument into and out of the blast hole as an interchangeable element with a drill string or prior to explosives charging. | 2020-12-31 |
20200408092 | MEASURING AN ADSORBING CHEMICAL IN DOWNHOLE FLUIDS - Interaction of adsorbing chemicals with a downhole tool presents inaccuracies in the adsorbing chemical measurement and analysis. The principles of the present disclosure provide a method and system of sampling fluids including an adsorbing chemical in a subterranean reservoir. One method may include modeling an interaction between the adsorbing chemical and a downhole tool, applying the model to a measurement of the adsorbing chemical, and adjusting the measurement in response to applying the model. | 2020-12-31 |
20200408093 | SAFETY SYSTEM AND METHOD FOR PROTECTING AGAINST A HAZARD OF DRILL ROD FAILURE IN A DRILLED ROCK BORE - The present invention provides a safety system ( | 2020-12-31 |
20200408094 | MINE EXPLOITATION BASED ON STOPING, SEPARATION AND FILLING CONTROL - The present invention discloses a mine exploitation method based on stoping, separation and filling control. The design process comprises: deploying a gangue-less coal mining system; choosing a suitable coal and gangue separation method according to a separation requirement; choosing a suitable filling method according to mine geology, production conditions and rock stratum control requirement; reversely calculating a filling rate according to gangue discharge requirement and control indexes by utilizing theoretical calculation, simulation and experiment; determining a filling process and a separation process according to the filling rate; and feeding back and adjusting the filling process and separation process parameters by monitoring filling and control effect indexes. The design method is highly integrated with underground coal and gangue separation, gangue filling and coal stoping processes, design is performed aimed at different control requirements of controlled objects under different engineering backgrounds, the design method can be used for guiding the design of underground mining based on “stoping, separation and filling control” of a mine, the zero discharge of coal gangue on the ground can be realized, ground subsidence, rock burst and aquifer stability can be controlled, and therefore the design method has a good popularization prospect. | 2020-12-31 |
20200408095 | Actuating Cylinder for a Hydrostatic Axial Piston Machine and Hydrostatic Axial Piston Machine with an Actuating Cylinder - An actuating cylinder for an adjustment apparatus of a pivot angle of a hydrostatic axial piston machine has a hydraulic stop which connects an actuating pressure chamber of the actuating cylinder to an interior of the housing of the axial piston machine if the actuating piston is maximally extended. To this end, a channel is provided on the actuating piston side, while a control edge is provided on the housing side. The control edge is formed at the interface of a stop bore with the actuating cylinder bore. The stop bore may also be a leakage bore of the axial piston machine. | 2020-12-31 |
20200408096 | Roticulating Thermodynamic Apparatus - A roticulating thermodynamic apparatus ( | 2020-12-31 |
20200408097 | ROTARY COMPRESSOR HAVING A COMBINED VANE-ROLLER STRUCTURE - A rotary compressor has a combined vane-roller structure that may ensure improved productivity and reliability through control of mechanical properties. The rotary compressor includes a coupling groove which is disposed at one side of an outer circumferential surface of the roller, which has a circular arc shape from an outer diameter of the roller towards an inner diameter of the roller, and which is configured to couple a vane and the roller, and includes a ferrosoferric oxide (Fe | 2020-12-31 |
20200408098 | Steam Turbine - A stationary blade includes a main unit having a hollow blade structure formed from a metal plate by plastic forming. The stationary blade includes a blade tail section. In a blade tail upper portion, the metal plate has a concave-shaped recess and a rib formed on an inner surface side thereof, and the metal plate further has slits formed by slitting on a blade pressure side thereof, so that droplets affixed on a blade surface can be guided into an inside of the hollow blade when the blade tail section is joined to the hollow blade main unit. The recess in the metal plate is covered so as to be lidded by a suction-side protrusion of a suction-side metal plate from a blade suction side to thereby form a hollow blade tail section. The metal plates are welded together to the main unit. | 2020-12-31 |
20200408099 | VANE FOR AN AIRCRAFT TURBOMACHINE - The invention relates to a rotor vane ( | 2020-12-31 |
20200408100 | TURBINE VANE ASSEMBLY HAVING CERAMIC MATRIX COMPOSITE COMPONENTS WITH EXPANDABLE SPAR SUPPORT - A turbine vane assembly adapted for use in a gas turbine engine includes a turbine vane and a spar support. The turbine vane comprises ceramic matrix composite materials and is shaped to include an airfoil configured to direct the flow of hot gases through a primary gas path of the turbine vane assembly. The spar support comprises metallic materials and is configured to support other components of the turbine vane assembly relative to an associated turbine case. | 2020-12-31 |
20200408101 | TURBOMACHINE WITH SERRATED-PROFILE FLOW-SPLITTER NOSE - A front fan turbomachine comprising an annular separating wall ( | 2020-12-31 |
20200408102 | AIRFOILS AND CORE ASSEMBLIES FOR GAS TURBINE ENGINES AND METHODS OF MANUFACTURE - Methods for forming airfoils, core assemblies, and airfoils for gas turbine engines are described. The methods include forming an airfoil body about a core assembly configured to define one or more internal cavities of the airfoil body, the core assembly comprising at least core structure having a purge slot protrusion extending from a portion of the core structure, removing the core assembly from the airfoil body to form one or more internal cavities, wherein at least one internal cavity has a cavity extension define by the purge slot protrusion, and forming a squealer pocket in a tip of the formed airfoil body, wherein a cavity purge slot is formed at the cavity extension to fluidly connect the respect internal cavity with the squealer pocket. | 2020-12-31 |
20200408103 | TURBOMACHINE PROVIDED WITH FLUID SEALING DEVICE - A rotating turbomachine provided with a fluid sealing device, comprising an extensible/dilatable bellows piston to make a sealing surface abut against a rotor disc, or against the head of the shaft, therefore confining the working fluid in the turbomachine stopped during the respective maintenance operations, is described. A coolant is supplied inside the bellows piston during the normal operations of the machine. | 2020-12-31 |
20200408104 | SYSTEM AND METHOD FOR CONTROLLING DUAL STARTER AIR VALVE - A system may comprise a sensor configured to measure a characteristic of an engine component. A valve assembly may have an airflow outlet in fluid communication with the engine component. The valve assembly may include a first valve. A first valve control device may be coupled to the first valve and configured to control the first valve based on a measurement by the sensor. A second valve may be in fluidic series with the first valve. A second valve control device may be coupled to the second valve and configured to control the second valve based on the measurement by the sensor. | 2020-12-31 |
20200408105 | CONTROL OF POWER GENERATION SYSTEM BY VISUALLY MONITORING COMPONENT DURING OPERATION - Embodiments of the present disclosure include a method for controlling a power generation system, the method including: detecting a heat distribution across a component of a power generation system from a thermal output of the component, during operation of the power generation system; calculating a projected heat distribution across the component based on a library of modeling data for the power generation system; calculating whether a difference between the heat distribution and the projected heat distribution exceeds a thermal threshold; adjusting the power generation system in response to the difference exceeding the predetermined threshold, wherein the adjusting includes modifying an operating setting of the power generation system. | 2020-12-31 |
20200408106 | ACOUSTICAL HEALTH MONITORING FOR TURBOMACHINERY - A health monitoring system including an array of microphones, a data collection system, and analytic software used to detect health status, pending malfunctions, or faults of several disparate, engine subsystems. The system can be used to monitor health of the main engines, the engine nacelles, and auxiliary power units (APU) on the aircraft. | 2020-12-31 |
20200408107 | THERMAL MANAGEMENT SYSTEMS - A thermal management system includes a heat exchanger and a housing that receives the heat exchanger. The heat exchanger defines a heat transfer region within which thermal exchange occurs between a process fluid and a thermal management fluid. The thermal management system further includes a process fluid conduit to convey the process fluid through the heat transfer region and an actuator assembly configured to position the heat exchanger relative to the housing. The actuator assembly is configured to selectively assume a position between a stowed position and a deployed position. When the actuator assembly is in the deployed position, the heat transfer region extends within a flow of the thermal management fluid such that the process fluid flow flows in heat exchange relation with the thermal management fluid flow. In some such embodiments, the actuator assembly automatically transitions between the stowed position and the deployed position. | 2020-12-31 |
20200408108 | RING SEGMENT, AND TURBINE AND GAS TURBINE INCLUDING THE SAME - A ring segment, a turbine, and a gas turbine having improved cooling performance are provided. The ring segment may include a shielding wall mounted to a turbine casing which accommodates a turbine blade and configured to face an inner circumferential surface of the turbine casing, a first hook part and a second hook part configured to protrude from the shielding wall toward the turbine casing to be coupled to the turbine casing, a main cavity formed between the first hook part and the second hook part, a plurality of first cooling passages configured to connect the main cavity and first side surfaces facing each other of the shielding wall, a plurality of second cooling passages configured to extend in a direction crossing the first cooling passage and connect the main cavity and second side surfaces facing each other of the shielding wall, and a chamber configured to be connected to the first cooling passages. | 2020-12-31 |
20200408109 | ASSEMBLY FOR A TURBOMACHINE - An assembly for a turbomachine including an annular channel designed to form a flow duct for a flow of gas between two turbine stages of the turbomachine. The channel is bounded by a radially inner annular wall and a radially outer annular wall. The walls are connected by hollow arms that extend radially, a support having a radially outer annular part that is located radially outside the outer annular wall of the annular channel, and a radially inner annular part that is located radially inside the inner annular wall of the annular channel. The outer and inner parts of the support are connected by connecting parts that extend radially and pass through one of the hollow arms of the annular channel. The connecting parts may be connected by a connecting partition having a frangible part that ruptures when the mechanical stresses in the connecting partition are above a threshold. | 2020-12-31 |
20200408110 | CHARGING DEVICE - The invention relates to a charging device ( | 2020-12-31 |
20200408111 | GEARED GAS TURBINE ENGINE WITH OIL DEAERATOR AND AIR REMOVAL - A gas turbine engine has a fan drive turbine for driving a gear reduction. The gear reduction drives a fan rotor. A lubrication system supplies oil to the gear reduction, and includes a lubricant pump to supply an air/oil mixture to an inlet of a deaerator. The deaerator includes a separator for separating oil and air, delivering separated air to an air outlet, and delivering separated oil back into an oil tank. The separated oil is first delivered into a pipe outwardly of the oil tank, and then into a location beneath a minimum oil level in the tank. Air within the oil tank moves outwardly through an air exit into the deaerator. A method of designing a gas turbine engine is also disclosed. | 2020-12-31 |
20200408112 | CONTROL CIRCUIT FOR WASTE HEAT RECOVERY SYSTEMS - The invention relates to a control circuit ( | 2020-12-31 |
20200408113 | Deactivating Rocker Arm Having Two-Stage Latch Pin - A rocker arm assembly comprises a valve side rocker arm portion, a cam side rocker arm portion configured to selectively rotate relative to the valve side rocker arm portion, and a latch pin assembly disposed in the valve side rocker arm portion and in the cam side rocker arm portion. A latch pin assembly is disposed for selective switching in the valve side latch bore and in the cam side latch bore. At least a portion of the latch pin assembly is configured so that when the latch pin assembly is selected to switch from a latched condition to the unlatched condition, and when the cam side rocker arm portion selectively rotates, the latch pin assembly is configured to retract from the forces of the rotation. | 2020-12-31 |
20200408114 | CONTROL SCREW - A control screw for a camshaft phase shifter of an internal combustion engine extends along a longitudinal axis. The control screw includes a screw body. The control screw also includes a tubular spool assembly having a control valve assembly with at least three rigid rings and at least two valves. Each valve includes at least one vane connected to two flexible arms. The valve is connected to two consecutive rigid rings. | 2020-12-31 |
20200408115 | VALVE DEVICE - An annular groove has: a side peripheral surface that is shaped in a ring form and is formed such that the side peripheral surface inwardly extends from a bottom surface of the annular groove in a radial direction of a tubular member and is joined to an inner peripheral wall of the tubular member; and a specific shape surface that is formed along at least a part of the side peripheral surface between a bottom surface side end part and an inner peripheral wall side end part of the side peripheral surface such that a diameter of the specific shape surface is progressively reduced in an axial direction of the tubular member from one axial side, at which the bottom surface is placed, toward another axial side, at which the inner peripheral wall is placed. | 2020-12-31 |
20200408116 | VALVE TIMING REGULATION DEVICE - A first rotator ( | 2020-12-31 |
20200408117 | GEROTOR-TYPE OIL PUMP - An oil pump includes a housing defining a pump cavity having an inner circumferential wall with a first segment located in a low-pressure side of the pump cavity. The first segment defines a recessed cutout. A gerotor pump set is disposed in the cavity and includes an inner drive rotor and an outer driven annulus. An outer circumferential wall of the outer annulus and the cutout cooperate to form an increased radial clearance to reduce friction losses between the outer annulus and the housing. | 2020-12-31 |
20200408118 | ACTUATOR FOR USE IN A SEPARATOR - An actuator for a separator for separating contaminants from a fluid stream which includes entrained contaminants. The actuator is arranged to move along an actuator axis to adjust an open cross-sectional area of at least one aperture of the separator, and comprises a flexible diaphragm, and a support assembly for the flexible diaphragm. The support assembly is movable along the actuator axis carrying the flexible diaphragm and has an upper support member mounted on a lower support member. A portion of the flexible diaphragm is located between the upper and lower support members. The lower support member comprises an axially extending support portion coupled to a radially extending support portion. The upper support member comprises a diaphragm anti-inversion feature coupled to a radially extending support portion. The diaphragm anti-inversion feature extends such that it axially overlaps at least part of the axially extending support portion of the lower support member. | 2020-12-31 |
20200408119 | Timbre Scaled Exhaust System - A timbre-scaled exhaust assembly includes: an acoustic portion including an inlet collector including an entrance duct at a first end of the collector in fluid for receiving an exhaust flow from an internal combustion engine and exit ducts at a second end of the collector in fluid communication with a plurality of non-perforated tuning tubes; an outlet collector including entrance ducts in fluid communication with the plurality of non-perforated tuning tubes and an exit duct in fluid communication with an outlet of the exhaust assembly. The inlet collector splits the exhaust flow from the internal combustion engine into the plurality of tuning tubes such that a plurality of distinct exhaust flows pass through the plurality of tuning tubes and the outlet collector combines the exhaust flow. A combined exhaust flow exits the exhaust system through the exhaust tip. | 2020-12-31 |
20200408120 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - An internal combustion engine provided with an engine body, a filter provided in an exhaust passage of the engine body and trapping PM in the exhaust, and an aggregating device charging PM in the exhaust flowing into the filter to make it aggregate. The control device for controlling the internal combustion engine is provided with a PM charging control part controlling the amount of charging of the PM in the exhaust flowing into the filter. The PM charging control part controls the aggregating device so that the amount of charging of the PM becomes smaller when the amount of PM buildup of the filter is large compared with when it is small. | 2020-12-31 |
20200408121 | EXHAUST GAS TREATMENT SYSTEM AND METHOD WITH FOUR-WAY CATALYZED FILTER ELEMENT - An exhaust gas treatment system for an internal combustion engine includes an exhaust gas pathway configured to receive exhaust gas from the internal combustion engine, a first injector configured to selectively introduce a first reductant into the exhaust gas pathway in response to a sensed temperature of the exhaust gas being within a predetermined temperature range, and a first treatment element positioned within the exhaust gas pathway downstream of the first injector. The first treatment element includes a selective catalytic reduction (SCR) layer, a porous filter substrate, and a precious metal catalyst layer. The system also includes a second injector configured to introduce a second reductant into the exhaust gas pathway downstream of the first treatment element and a second treatment element positioned within the exhaust gas pathway downstream of the second injector. The second treatment element includes a SCR element. | 2020-12-31 |
20200408122 | LIQUID ONLY LANCE INJECTOR - A lance injector assembly for an exhaust component is provided. The lance injector assembly includes a lance and a poppet valve. The lance includes a lance housing, a supply passage fluidly coupled to a reductant source and terminating at a nozzle orifice, and a return passage fluidly coupled to the reductant source. The poppet valve is positioned downstream of the nozzle orifice and includes a poppet movable between a closed position and an open position. When operating in a recirculation mode, the poppet is in the closed position to permit a full portion of reductant supplied to the lance from the reductant source to return to the reductant source. When operating in an injection mode, the poppet is in the open position to permit a first portion of reductant to flow from the nozzle orifice and a second portion of reductant to return to the reductant source. | 2020-12-31 |
20200408123 | EXHAUST GAS POST-TREATMENT DEVICE - An exhaust gas post-treatment device for an internal combustion engine mixes exhaust gas with a reducing agent. The exhaust gas post-treatment device comprises a mixing chamber through which the exhaust gas circulates and a reducing agent sprayer that sprays a reducing agent in the mixing chamber. The reducing agent sprayer comprises at least one first nozzle and at least one second nozzle, where said at least one first nozzle is designed to produce small droplets, and said at least one second nozzle is designed to produce large droplets. | 2020-12-31 |
20200408124 | EXHAUST COMPONENT WITH A HELICAL HEATER - An exhaust component assembly includes a housing defining an internal passage for engine exhaust gas, at least one exhaust gas aftertreatment component within the internal passage, and at least one heater to heat the engine exhaust gas. The heater comprises a helical-shaped element with a surface that spirals about an axis for a predetermined length. | 2020-12-31 |
20200408125 | ELECTRICALLY HEATED CATALYST - An electrically heated catalyst includes a honeycomb structure and is designed to be mounted in an exhaust pipe in which exhaust gas flows. The honeycomb structure exhibits catalytic activities and produce heat upon electrical energization. The honeycomb structure includes a grid portion defining a plurality of cells and an outer peripheral portion which covers an outer periphery of the grid portion. A surface of the grid portion and a surface of the outer peripheral portion are designed to ensure electrical insulation from the exhaust pipe. | 2020-12-31 |
20200408126 | SEPARATELY DETERMINING FIRING DENSITY AND PUMPING DENSITY DURING FIRING DENSITY TRANSITIONS FOR A LEAN-BURN INTERNAL COMBUSTION ENGINE - A skip fire engine controller and method of control is described wherein during transitions from a first firing density to a second firing density, a firing density and a pumping density are separately set so as to balance the conflicting demands of (a) torque control, (b) Noise, Vibration and Harshness (NVH), (c) air flow through the engine and (d) air-fuel ratio. | 2020-12-31 |
20200408127 | VEHICLE HAVING AN ENGINE-INTEGRATED EXHAUST TREATMENT SYSTEM WITH IN-CYLINDER AMMONIA CREATION - An over-the-road vehicle including an engine unit and an engine-integrated exhaust treatment system is disclosed. The engine-integrated exhaust treatment system can selectively reduce nitrous oxides (NOx) in exhaust gases from the engine unit. The engine-integrated exhaust treatment system includes a reagent doser integrated into the engine unit and a catalyst in fluid communication with the engine unit. The reagent doser injects aqueous urea solution into at least one cylinder of the engine unit without fuel while fuel is injected into at least one other cylinder of the engine unit for combustion. The aqueous urea solution is converted in the cylinder to ammonia gas that is mixed with exhaust gases from the other cylinders. This mixture is then exposed to the catalyst to encourage reduction of NOx in the exhaust gases before they are discharged to atmosphere. | 2020-12-31 |
20200408128 | A SELECTIVE CATALYTIC REDUCTION SYSTEM AND A METHOD FOR NOx REDUCTION - A selective catalytic reduction system applying diesel oil as reductant for converting nitrogen oxides by a catalyst into diatomic nitrogen and water in a diesel engine is provided. The selective catalytic reduction system includes an oil injection system, a reactor and a number of selective catalytic reduction catalysts provided in a first section. The selective catalytic reduction system includes at least one additional section including a number of selective catalytic reduction catalysts. The at least one additional section is provided in a non-zero distance from the first section. | 2020-12-31 |
20200408129 | ELECTRICAL CONNECTOR FOR A SCR DOSER - An electrical connector is provided to be arranged at the end of an electrical cable for complementary connection of an electro-actuator. The connector has a body defining a passage for the cable. The connector also has a hook to mechanically engage with a complementary feature of the electro-actuator. | 2020-12-31 |
20200408130 | EXHAUST GAS AFTERTREATMENT DEVICE - A device for the aftertreatment of exhaust gases of an internal combustion engine, having at least one catalytic converter, through which exhaust gas can flow, and at least one muffler formed by a closed volume and through which exhaust gas can flow along an inflow section to an outflow section. The catalytic converter is formed by a honeycomb body that has a plurality of flow channels through which exhaust gas can flow. The honeycomb body is accommodated in a casing tube, which surrounds the honeycomb body, and is connected to the casing tube in a materially bonded manner. The catalytic converter is arranged in the interior of the muffler. | 2020-12-31 |
20200408131 | MIXER - A mixer for an exhaust system of an internal combustion engine includes a first mixer part ( | 2020-12-31 |
20200408132 | METHODS FOR VEHICLE EMISSIONS CONTROL - Methods are provided for emissions control of a vehicle. In one example, a method for an engine may include, responsive to a plurality of diagnostic entry conditions being met, indicating degradation of a hydrocarbon trap based on an NH | 2020-12-31 |
20200408133 | EXHAUST SENSOR BAFFLE - An exhaust system includes an exhaust duct that defines an exhaust gas passage extending along an axis and which has a cross-section extending across the axis. At least one sensor opening in the exhaust duct is configured to receive an exhaust gas sensor. A baffle is positioned within the exhaust gas passage and includes a plurality of guide channels with open cross-sections. Each guide channel extends from a first end facing an inner surface of the exhaust duct to a second end opposite the first end. The guide channels guide exhaust gas from different regions of the cross-section toward the at least one sensor opening. | 2020-12-31 |
20200408134 | RESERVE TANK DEVICE AND COOLING SYSTEM - A reserve tank device includes a first reserve tank, a second reserve tank, a passage switching member, and a gas-liquid separator. The first reserve tank reserves a cooling water flowing through an engine cooling circuit. The second reserve tank reserves a cooling water flowing through an auxiliary machine cooling circuit. The gas-liquid separator is disposed in the first reserve tank and removes bubbles from the cooling water flowing through the first reserve tank. | 2020-12-31 |
20200408135 | OIL TEMPERATURE CONTROL ASSEMBLY - An oil temperature control assembly mounts on a vehicle's operating group fluidically connected to an oil circulation system and a cooling system. A heat exchanger has plate-shaped exchanger elements defining reciprocally alternate ducts through which oil and refrigerant fluid flow, and a support and oil control device. The support and oil control device has a plate-shaped base element including the oil inlet and outlet ducts having a first surface in contact and engageable by the heat exchanger and a second opposite surface. The support and oil control device includes a control group having a housing body projecting from the first surface next to the heat exchanger having a housing cavity fluidically connected to the inlet and outlet ducts and an exchanger duct and a valve member in the housing cavity including an obturator element and a control element which moves the obturator element according to oil operating conditions. | 2020-12-31 |
20200408136 | FOSSIL FUEL CATALYZATION SYSTEM USING NEGATIVE CHARGE TO FUEL INJECTOR IN ORDER TO INCREASE BURN/COMBUSTION EFFICIENCY - A system, apparatus and associated method for the catalyzation of a fossil fuel prior to combustion within an internal combustion engine. A voltage is inputted from a source to a relay and an ignition circuit in separate communication with the relay. The relay converts the input voltage to a negative output voltage applied to a fuel line in communication with a fuel injector of the engine, resulting in a negative charge imparted to the fuel prior to combustion and in order to increase oxidation/burn efficiency with resultant mileage/horsepower increase and concurrent decrease in pollutants resulting from discharge of partially combusted reactants. | 2020-12-31 |