Abstract: A hinge is provided that includes a first hinge plate, a second hinge plate, and a pin. The first hinge plate includes a first knuckle having an appearance of a plurality of discrete knuckle portions that are directly adjacent to one another and intermesh with one another. The second hinge plate includes a second knuckle. The pin is configured to connect the first knuckle and the second knuckle to one another.

Abstract: An apparatus is provided including a docking device to accept a computing device, the docking device including a keyboard and a hinge to connect the computing device to the keyboard, the hinge is configured to allow the computing device, when connected to the hinge, to rotate relative to the keyboard in a laptop orientation. The hinge includes a plurality of interlinked parallel hinge segments at least partially enclosed in a flexible covering, and each hinge segment is to rotate about a respective one of a plurality of parallel axes of the hinge.

Abstract: A personal computing device is provided with a first housing portion, a second housing portion, and a hinge joining the first housing portion to the second housing portion. The hinge is configured to allow the first housing portion to rotate substantially three-hundred-sixty degrees relative to the second housing portion. The hinge can be implemented as a plurality of interlinked parallel hinge segments, each hinge segment to rotate about a respective one of a plurality of parallel axes of the hinge to enable the rotation of the first housing portion.

Abstract: Biaxial hinge compatible with thinner terminal device capable of avoiding any hindrance to the use of various plugs, the biaxial hinge having an attaching part attached to a first casing of the terminal device, wherein the attaching part has an attaching plate section and a bearing section, a first hinge shaft, a second hinge shaft, wherein the second hinge shaft is in parallel to the first hinge shaft and rotatable, a synchronous rotation generator for rotating the first and the second hinge shafts in a synchronized manner in a direction different from each other, a friction torque generator provided on the second hinge shaft for generating a friction torque to rotation of both hinge shafts, and a rotational force generator provided on the second hinge shaft as well.

Abstract: A hinge assembly includes first and second portions. One of the first and second portions includes first and second receptacles and the other one of the first and second portions includes first and second cylindrical members extending in opposite directions along a hinge axis and a thickened portion having a contoured outer surface disposed adjacent the cylindrical members. The second portion is moveable from: a first state wherein the first and second cylindrical members are disposed in the first and second receptacles such that the second portion is coupled to the first portion and generally free to rotate about the hinge axis through at least a predetermined degree range, and a second state in which the second portion is decoupled from the first portion responsive to the second portion being rotated beyond the predetermined degree range and the contoured outer surface interacting with a portion of the first portion.

Abstract: A method of installing a replacement door closer assembly including a closer mechanism includes the steps of: (a) removing a previous door closer assembly from a mounting surface of a door or a door jamb; (b) fixing a first mounting bracket on the mounting surface through a first pre-existing mounting hole; (c) extending the closer mechanism of the replacement door closer assembly through the first mounting bracket while aligning a second mounting bracket with at least a second pre-existing mounting hole in the mounting surface; (d) sliding the closer mechanism back toward the first mounting bracket so that the second mounting bracket can be fixed to the mounting surface through the second pre-existing mounting hole; and (e) positioning and securing the closer mechanism between the first and second mounting brackets.

Abstract: A sensing edge is made in segments that can be used to determine at which point along the edge an obstruction occurred. Data collected can be used to determine a point in a process that the fault occurred by addressing each segment individually or as a whole. A programmable controller can be operatively coupled to the sensing edge, and can include logic to control the door and/or other equipment using data collected from the sensing edge.

Abstract: A vehicle door is operated in accordance with a desired speed pattern. A vehicle door opening-closing control device 1 includes a power-supply voltage detecting unit 2 that outputs a detection value of a power-supply voltage of an electric motor 13, a reference control pattern storage unit 3 that stores a reference control pattern that indicates a voltage command value or a speed command value for the electric motor 13, the reference control pattern is a control pattern of the electric motor when the detection value is within a predetermined range, a control pattern generating unit 4a that generates a corrected control pattern that is obtained by correcting the reference control pattern based on the detection value, and a PWM control unit 4 that controls the electric motor 13 based on the corrected control pattern.

Abstract: An operator for moving a barrier between closed and open positions mounted on, or close to, the counterbalance for said barrier. The operator is connected to the counterbalance shaft and lifts the barrier by rotating the counterbalance shaft with attached cable drums and thereby takes up cable connected to the bottom of the door. There is an upper cable connected to the top of the door through a cable drum in the operator. A power spring biases the operator cable drum to always take up the upper cable, keeping it wound. The operator cable drum is connected to the motor through a clutch which when engaged allows the operator to pull the door closed. While the door is closing the clutch can be disengaged to allow the operator cable drum to take up and then pay out the upper cable connected to the top of the door as needed.

Abstract: A vehicle door controller is disclosed. The vehicle door controller is in communication with an actuator configured to control a door and is further in communication with a temperature sensing device. The controller is configured to receive a temperature signal from the temperature sensing device. Based on the temperature signal, the controller is configured to identify an actuator condition. In response to the actuator condition, the controller is configured to control the actuator to move the door to a resting position.

Abstract: The guiding device serves for holding and guiding a sliding door, with which a furniture opening of a piece of furniture can be closed. The guiding device comprises a guide fitting that is connectable to the sliding door and that is connected via a first articulated joint to a first end piece of a guide lever, whose second end piece is connected via a second articulated joint to a guide carriage, which comprises a carriage body that holds at least one guide roller, which is guided in a guide channel that extends at least on one side in a terminal channel section along a curve into the furniture opening.

Abstract: The present invention relates to a spacer 101 for forming a spacing between glass panes 201, 203, with a top part 103 and a lower metal foil 105, the two parts introduces an overlap 209, 211 parallel to the sidewalls of the spacer. By having overlapping regions at the side walls the spacer is stiffened and thereby spacers can be produced of quite thin material e.g. only thin metal foil.

Abstract: A technique for improving the retention force between a connector (10, 11, 12, 13, 14, 15, 16, 17, 100, 101) and a spacer (1) for insulating glass units is disclosed.

Abstract: The invention provides flash-treated transparent conductive coatings based on indium tin oxide. Some embodiments provide a multiple-pane insulating glazing unit that includes two glass panes and a between-pane space. The two glass panes respectively define two opposed external pane surfaces. At least one of the two external pane surfaces has a flash-treated transparent conductive oxide coating.

Abstract: A curtain blinds spring motor elasticity maintaining structure, which provides a spring motor structure that prevents unproductive deformation and loss of elastic stress in a sheet band of a coil spring. The structure primarily consists of a kidney shaped wheel face provided on the outer circumferential surface of a drive drum. A first wound layer, a second wound layer, and a third wound layer of the sheet band are pulled and wound onto the drive drum to form a pressure accumulating coil, thereby arranging an anticipated configuration of curved tight windings of each of the wound layers along the kidney shaped wheel face, which prevents changes in the cross-sectional curvature of the sheet band and loss in elastic stress thereof, and thus maintaining an appropriate elastic force.

Abstract: An electromechanical actuator (11) includes a sealing element (21) provided with a housing (22), an electronic control unit (15) electrically connected to a first electrical connector (23), and a power supply cable (18) including, at one of the ends of same, a second electrical connector (24). The second connector (24) includes an elastic tab (26) provided with a stop element (27) cooperating with a recess (28) provided in the housing (22), and a first bending area (32) provided at the junction between a first end (26a) of the elastic tab (26) and a body (25) of the second connector (24). The stop element (27) is provided at a second free end (26b) of the elastic tab (26). The elastic tab (26) includes a second bending area (33) provided at the junction between an arm (37) and the stop element (27) of the elastic tab (26).

Abstract: An access control apparatus for persons or motor vehicles can be illuminated on both sides facing the persons or motor vehicles arriving along the access track or lane. Lighting is assigned to each side can be controlled independently from the lighting of the other side, and the illumination of each side can only be perceived by persons facing the respective side.

Abstract: A drilling assembly assembly includes a hammer motor, a shaft, a driver, and a hammer (218). The shaft is operatively connectable to the hammer motor and rotated thereby. The driver is operatively connectable to the shaft, and includes a cam (such as guide channel 232) rotatable with the shaft and a fixed guide (such as guide pins 230) having a guide surface thereon. The cam is engageable with the guide surface and axially movable thereabout during rotation thereof. The hammer is operatively connectable to the driver and axially movable therewith, axially movable within the housing (215) independently from axial movement of the housing, and engageable with the bit to impart an impact thereto whereby the bit is hammered.

Abstract: A method for steering a well comprises disposing a first orienting assembly and a second orienting assembly spaced apart along a circular inner peripheral surface of a housing. An orienting sleeve is rotatably supported between the first orienting assembly and the second orienting assembly, The orienting sleeve has an angled bore therethrough, wherein a first longitudinal axis of the angled bore is inclined by a predetermined angle to a second longitudinal axis referenced to a cylindrical outer peripheral surface of the orienting sleeve. A rotatable steering shaft is rotatably supported along the angled bore to control rotatable steering shaft bending. The rotation of the first orienting assembly, the second orienting assembly, and the orienting sleeve is controllably adjusted to control the steering direction of the rotatable steering shaft.

Abstract: A bent sub for use in a bottom hole assembly, between the power section of a mud motor and the drill bit, which can have its bend angle altered from the surface while remaining downhole, and a method for adjusting the bend of a bent sub. A biasing mechanism includes a number of linear actuators radially positioned about the tool centerline and oriented for axial motion. The linear actuators are connected to travelling blocks, which engage the upper end of the inner race a pivoting bearing assembly. The lower end of the inner race is connected to the mud motor bearing assembly. The linear actuators and can be actuated in coordination to tilt the inner race, and hence, the mud motor bearing assembly, to various selectable angles in any radial direction for control of tool face. In an embodiment, the actuators are battery-powered motor-driven lead screws.

Abstract: An invented reamer provides an annular body supporting two or more blades wherein each blade includes a spiral section disposed between two tapered sections placed on an exterior of the body. The spiral section fixes a plurality of a one type of cutting insert, e.g., tungsten carbide inserts, and the two tapered sections may each fix cutting inserts of an alternate type, e.g., polydiamond inserts. Certain embodiments provide of the tapered sections have a first flat surface area that extends towards and away from a central longitudinal axis of the annular body and/or a second surface area that positions cutting surfaces of attached cutting inserts linearly along a line that intersects the central longitudinal axis.

Abstract: Methods of forming earth-boring tools include using a plasma spray device to gouge at least one recess through a hardfacing material and into a body. At least a portion of the recess may define a cutting element pocket in which a cutting element may be received and bonded. The recess formed using the plasma spray device optionally may be further machined to form the cutting element pocket. Earth-boring tools are fabricated using such methods.

Abstract: A cutting element comprises a table of superhard material bonded to a substrate, wherein the table defines a cutting edge and has a chamfered peripheral edge, and a groove in a sidewall of the cutting element passes through the chamfered peripheral edge, so as to reduce the depth of the chamfer at the location of the groove.

Abstract: A cutting element comprises a primary cutter including a first table of a hard material bonded to a first substrate of less hard form, the first substrate of the primary cutter having a recess formed therein in which a secondary cutter is located, the secondary cutter comprising a second table of a hard material bonded to a second substrate of less hard material, the first and second tables being spaced apart from one another by at least part of the first substrate.

Abstract: A drill bit includes a bit body; a pad associated with the bit body; and a rate control device coupled to the pad that extends from a bit surface at a first rate and retracts from an extended position to a retracted position at a second rate in response to external force applied onto the pad. The rate control device includes a piston for applying a force on the pad; a biasing member that applies a force on the piston to extend the pad at the first rate; a fluid chamber associated with the piston; and a pressure management device for controlling a fluid pressure within the fluid chamber.

Abstract: A centralizer is provided for centralizing a tubular, such as a drill pipe, in a wellbore. The centralizer comprises a resilient inner sleeve comprising three or more protruding members extending radially outwardly from an outer surface of the inner sleeve. The inner sleeve receives the tubular and spaces the tubular from the wellbore. The centralizer further comprises an outer support body for receiving the outer surface of inner sleeve. When the inner sleeve is retained between the support body and the tubular, the protruding members project out through windows formed in the support body. The support body and the inner sleeve are retained about the tubular with a pair of annular end collars. A method for replacing worn components of the centralizer is also provided.

Abstract: An earth drilling device includes a frame and a slide which is movable forward in the feed direction and backwards away from the feed direction. The frame includes a tilting device which causes the slide to incline relative to the frame and the feed axis when the slide is moved backward to the feed direction. An additional drill section may be inserted into the slide when it is inclined, then the slide may be moved forward in the feed direction to feed the additional drill section into the soil. A method for moving a drill section includes moving a slide opposite a feed direction in a frame. A tilting device causes the slide to incline relative to the frame and the feed direction, and an additional drill section is introduced into the slide. Then the slide is moved in the feed direction, feeding the additional drill section into the soil.

Abstract: A conveyor apparatus (2), so-called injector head, to enable feeding of e.g. continuous tubing (7) or coiled tubing through the conveyor apparatus (2) to or from a wellhead and a well below and related to use of well tools. There is provided an apparatus frame (21) within an apparatus cage (5), and a pair of oppositely located, cooperatively movable, segmented continuous belts (28; 29) installed in the frame, each belt (28; 29) comprising a plurality of interconnected) gripper shoe carriers (30) carried and movable by means of a pair of continuous belt drive chains (31; 32), and a gripper shoe (38; 52) cooperative with each carrier (30) to positively engage the tubing. The frame (21) at its lower end (21?) is tiltably connected to the cage (5) so as to cause said cage (5) and frame (21) to be mutually tiltable in a tilting plane about a single tilting axis (58) which passes through a stuffing box (22?) located at a lower region of the cage (5).

Abstract: A back pressure control system adapted to be at least partially integrated with a drill rig.

Abstract: An inner tube assembly releasably latchable with a core barrel of a core drilling apparatus. The inner tube assembly includes a valve housing having a fluid flow port and a position guide to control a position of the valve body within the valve housing to open and close the port in response to a fluid pressure acting on the valve body.

Abstract: A jet pump assembly is adapted to be releasably attached to a tubular member of a tubular string in an oil well. The jet pump may be pumped out of the tubular string to the surface by a reverse flow of power fluid down the well between the tubular string and the casing of the well. Consequently the jet pump may be serviced or reconfigured to a direct pumping mode without the necessity of a wire line or other apparatus. A sensor for measuring downhole parameters such as temperature and pressure etc. is positioned within a cavity located in a lower portion of the jet pump so as to be removable from the well with the pump.

Abstract: A method for completing a wellbore may include introducing an oil-containing wellbore fluid into a wellbore having water-based filtercake on walls thereof, contacting the oil-containing wellbore fluid with an oil-swellable element in the wellbore; and allowing swelling of the oil-swellable element, where the oil-containing wellbore fluid is substantially free of unassociated surfactants, emulsifiers, or dispersants and may include an oleaginous fluid and a weighting agent.

Abstract: A slip cover for downhole logging tools to prevent the tools from becoming lodged during extraction and a method of retrieving a lodged logging tool in a wellbore are disclosed. In some implementations, the slip cover may include a generally cylindrical polymeric sleeve having an inside diameter greater than an outside diameter of a generally cylindrical well logging tool to which the sleeve is to be applied and having one or more perforations disposed therein.

Abstract: A dual string section milling tool includes a cutting block deployed in an axial recess in a tool body. The cutting block is configured to extend radially outward from and retract radially inward towards the tool body. The cutting block is further configured to remove a cement layer in a wellbore. The dual string section milling tool further includes a milling blade deployed in an axial slot disposed in the cutting block. The milling blade is configured to extend radially outward from and inwards towards the cutting block. The milling blade is further configured to cut and mill a section of casing string. The dual string section milling tool may be further configured to simultaneously remove cement and mill a wellbore tubular.

Abstract: A blowout prevent unit and methods for monitoring a blowout preventer at a wellsite are provided. The blowout preventer is activatable to form a seal to prevent leakage of the fluid produced from subsurface formations. The blowout preventer unit includes wellsite databases, at least one control unit, and blowout preventer outputs. The wellsite databases are operatively connectable to the wellsite to receive wellsite data therefrom and have communication links therebetween. The control unit is operatively connectable to the wellsite databases to selectively divert the wellsite data therebetween via the communication links. The at least one control unit includes a processor to determine blowout preventer parameters from the diverted wellsite data. The blowout preventer outputs are operatively coupled to the wellsite databases, and are accessible by users.

Abstract: Rotating control device related oilfield pressure control is accomplished by upper and lower seal members configured to seal around a tubular, a chamber defined between the upper and lower seal members; and wherein fluid enters and/or exits the chamber via some device or structure. Such a device or structure could be a relief valve, a first accumulator, a pressure control valve, an orifice, and/or a void space in a seal member in a location which contacts the tubular.

Abstract: A new resin blend is disclosed, which may be referred to as a hybrid resin. The resin blend includes an effective amount of benzoxazine resin or benzoxazine derivative mixed with at least one of epoxy resin, phenolic resins and other thermosetting polymers at varying ratios.

Abstract: A system for sealing an expandable tubular connection (2, 20) in a wellbore comprises an annular resilient seal (32, 34) arranged in an annular groove (90) defining a section (82) of reduced wall thickness of an inner tubular element (20), which section (82) is subject to surplus expansion induced by an expansion cone such that, in the expanded state of the inner tubular element (20), the annular groove (90) has a wave-shaped profile thereby compressing the annular seal (32, 34) against an outer tubular element (2).

Abstract: A compact and simplified frac plug apparatus is provided with improved drillability. The frac plug includes an annular wedge, a sealing ring, and an annular slip. An adapter kit apparatus is provided for connecting the plug assembly to a setting tool. Methods of operation for setting the plug apparatus in a well are also disclosed.

Abstract: A downhole bypass tool that includes an inlet for receiving fluid into a housing of the bypass tool is described herein. The bypass tool also includes a flow directing apparatus disposed in the housing for directing fluid to flow into an operational flow path of a vibratory tool. The vibratory tool is at least partially disposed within the hosing of the bypass tool. The flow directing apparatus operates to selectively bypass the operational flow path of the vibratory tool such that the fluid bypasses the operational flow path of the vibratory tool and flows out of an outlet of the bypass tool.

Abstract: A wire cross-sectional shape for a wire wrap screen provides a primary and secondary gap with a contained circumferential volume in between. The secondary gap extends screen life by taking the place of the primary gap if erosion opens the primary gap and lets the larger solids get past. The closed space between the primary and secondary gaps also has the effect of reducing velocity due to the enlarged volume before the secondary gap is reached while also creating turbulence between the gaps to slow the fluid velocity to protect the secondary gap. All or parts of the wire outer surface can optionally be coated to extend service life.

Abstract: A multi-shot explosive charge includes a plurality of chambers divided by shared walls between adjacent chambers. Explosive material within at least one of the chambers creates an explosive force in an outward direction upon detonation and a perforating jet through the open end of the chamber. A perforating charge includes at least one explosive material producing explosive forces, upon detonation that collide within the chamber to create a perforating jet. Such perforating charge may be a chamber(s) within a multi-shot explosive charge, or an individual charge. First and second explosive materials can have the same or different compositions and detonation rates that together with the arrangement of materials within the chamber create the collision of forces. A plurality of multi-shot explosive charge or stand-alone perforating charges with colliding forces can be interconnected in an array, and can be included in a perforating gun(s).

Abstract: A production string for use in a wellbore is disclosed that in a non-limiting embodiment includes a lower section that includes a first tubular having a first connection device at a top end thereof, and an upper section that includes a second tubular that sealingly slides against the first tubular, a second connection device associated with the second tubular configured to engage with the first connection device, and an expansion joint above the second tubular.

Abstract: A flow device includes a flow-through region comprising at least one stage having a pocket configured to create a first pressure drop across the flow-through region in response to flow through the flow-through region in a first direction and a second pressure drop in response to flow through the flow-through region in a second direction. The first pressure drop is less than the second pressure drop under the same flow rates. The flow device has no moving parts to create the difference in pressure drop between the first direction and the second direction, the pocket has a larger cross sectional flow area than a first opening and a second opening fluidically connected to the pocket and a baffle positioned within the pocket having a “U” shape with a concave side of the baffle facing toward the second opening.

Abstract: A rod positioning tool mounts in series between a tubing string and the stuffing box of a drive head. An outer mandrel of the tool mounts to a first flange at the bottom end for connection to the tubing string below and an inner mandral mounts to a second flange for connection to the stuffing box above. The inner mandrel is slidably received within the outer mandrel with primary seals therebetween to vary the overall length of the tool using one or more actuators between the flanges, while maintaining a sealed connection between the tubing string and the stuffing box. Keys on the outer tubular mandrel are longitudinally slidable in keyways on the inner tubular mandrel to resist relative rotation between the mandrels. A secondary seal provides a sealed connection between the second flange and the top end of the outer mandrel in a fully retracted position of the tool.

Abstract: A method of establishing fluid communication between a first point and a second point within a subterranean reservoir includes injecting a first penetrating liquid at a first injection pressure and at a first injection temperature into the subterranean reservoir at the first point, and establishing fluid communication through a heavy-oil containing region by allowing the first penetrating liquid to penetrate into and completely through the heavy-oil containing region between the first point and the second point. The first penetrating liquid temperature of the first penetrating liquid remains at or below the first injection temperature within the subterranean reservoir, and the first penetrating liquid is configured to dilute heavy oil, and comprises a first penetrating liquid polar compound that is at least partially miscible with water.

Abstract: An apparatus for the inductive heating of oil sand and heavy oil deposits by way of current-carrying conductors is provided. The conductors include individual conductor groups, wherein the conductor groups are designed in periodically repeating sections of defined length defining a resonance length, and wherein two or more of the conductor groups are capacitively coupled. In this way, each conductor can be insulated and can include a single wire.

Abstract: In some aspects, techniques and systems for modeling fluid flow are described. Pressure gradient values for respective nodes of a one-dimensional flow model are computed. The nodes represent locations of fluid flow along a flow path, and the pressure gradient values are computed based on an approximation of the flow velocity at a point on the flow path. A pressure drop between two opposite ends of the flow path is calculated based on the pressure gradient values. An improved approximation of the flow velocity for the point on the flow path is calculated based on a difference between the calculated pressure drop and a pressure drop boundary condition.

Abstract: Apparatus and methods for selectively actuating sliding sleeves in sub members which are placed downhole in a wellbore, to open ports in such sub members to allow fracking of the wellbore, or to detonate explosive charges thereon for perforating a wellbore, or both. A simplified dart and sleeve is used which reduces machining operations on each. The dart is preferably provided with coupling means to permit a retrieval tool to be coupled thereto, which upon the retrieval tool being so coupled allows a bypass valve to operate to assist in withdrawing the dart from within the valve subs. Upward movement of the retrieval tool allows a wedge-shaped member to disengage the dart member from a corresponding sleeve to allow the dart to be withdrawn.

Abstract: Methods including placing particles that are substantially dry in a hopper; conveying the particles from the hopper via a conveyance to an open-air gap; adding a fluid to the particles in the hopper, the particles in the conveyance, or both, thereby reducing an amount of a dust produced at the open-air gap. The particles may be sand, silica, gravel, bauxite, ceramic materials, glass materials, polymer materials, polytetrafluoroethylene materials, nut shell pieces, cured resinous particulates comprising nut shell pieces, seed shell pieces, cured resinous particulates comprising seed shell pieces, fruit pit pieces, cured resinous particulates comprising fruit pit pieces, wood, composite particulates, and combinations thereof.