Abstract: A vehicle includes a body having an uninterrupted side aperture that provides access to an interior passenger cabin. A front door is hingedly attached at a forward edge of the uninterrupted side aperture. The front door is selectively operable between front open and front closed positions. A rear door is hingedly attached at a rearward edge of the uninterrupted side aperture. The rear door is selectively operable between rear open and rear closed positions. A latching assembly is at least partially positioned within the body and configured to receive the front door in the front closed position and the rear door in the rear closed position. A sealing assembly is defined between a forward seal of the rear door and a rearward seal of the front door. The forward and rearward seals engage one another in a fully-closed position.

Abstract: A door handle assembly of a vehicle door includes a handle support, a handle which is mounted on the handle support and runs flush with the outer contour of the vehicle door in a non-use position and is movable into an actuation position, a first lifting mechanism and a second lifting mechanism. Each lifting mechanism is coupled to the handle so as to transmit a movement. The handle is protruded relative to the outer contour of the vehicle door in the actuation position in comparison to the non-use position and can be actuated by the user in order to open the vehicle door. The first lifting mechanism has a first pivot axis which is arranged on the handle support. The first lifting mechanism and the second lifting mechanism form a scissor kinematic system and are coupled together so as to transmit a movement.

Abstract: A paddle lock has a body, a lever, a latch, a locking bolt, and a bolt driving device. The lever is pivotally mounted on the body. The latch is mounted retractably in the body and is connected with the lever. The locking bolt is mounted slidably in the body and has a bolt rod, a retractable head, and a spring. The bolt rod is mounted slidably in the body. The retractable head is connected retractably to an end of the bolt rod and selectively extends out of the body. The spring is connected between the bolt rod and the retractable head. The bolt driving device is mounted in the body and is connected with the bolt rod of the locking bolt to push the locking bolt to extend out of the body or to retract the locking bolt into the body.

Abstract: Apparatuses, methods, and systems for providing a locking apparatus for resisting movement of an openable element are described. The locking apparatus includes a body, an actuator, a lifting member, at least a portion of the lifting member being configured to be raised or lowered relative to the body according to an output of the actuator, the lifting member comprising a contact surface configured to restrict movement of the openable element, and a strap coupled to the body and to the lifting member, the strap configured to permit the lifting member to flex based at least in part upon contact between the lifting member and the openable element and to transfer energy received at the lifting member into the body of the locking apparatus into a surface to which the locking apparatus is mounted.

Abstract: The invention relates to locking of an enclosure that is provided with at least one and preferably two doors or gates, said locking system comprising a lock holding device with a bent piece for mounting of a locking rod behind the door and a blocking element and a lock. Furthermore, the invention relates to the use of the locking system to lock for instance shipping containers.

Abstract: A household refrigeration apparatus has a housing with a door that is pivotally mounted to the housing by a hinge. The hinge has a pivot and a separate base part, at which the pivot is rotatably supported around a rotational axis. A height adjusting device is formed at the hinge for adjusting the door in the height position in height direction relative to the housing. The pivot includes an annular coupling disk of the height adjusting device, which is coupled to a coupling receptacle formed in the base part. An individual height position of the pivot is adjusted depending on the rotational position of the coupling disk around the rotational axis relative to the coupling receptacle. The coupling disk has a coupling element with ramp-like oblique flanks on both sides, by which the coupling element axially plunges into the coupling receptacle in the direction of the rotational axis.

Abstract: An example apparatus includes a first component including an abutment, a second component rotatable with respect to the first component, and a damper that includes a pivot end that is pivot connected to the second component and a free end that is free to abut the abutment of the first component. The damper is to dampen movement of the second component when the free end of the damper abuts the abutment of the first component.

Abstract: A friction based counterbalance mechanism for coupling with a closure panel of a vehicle to assist in opening and closing of the closure panel, the counterbalance mechanism including: a first housing having a first pivot connection mount for connecting to one of a body of the vehicle and the closure panel; an extension member coupled to the first housing at one end and being extendable and retractable with respect to a second housing coupled adjacent to the first housing along an axis, the second housing for connecting by a second pivot connection mount to the other of the body and the closure panel; a sliding friction mechanism having: a shaped sleeve mounted on an exterior surface of the extension member, the shaped sleeve providing an exterior friction surface; and a resilient friction element mounted to the second housing in a fixed location on the axis, the resilient friction element positioned between second housing and the shaped sleeve and biased into contact with the exterior friction surface; wherei

Abstract: A cam type door closer includes a housing, a first piston set mounted in one side of the housing, a second piston set mounted in the other side of the housing, which includes a second piston movably mounted in a shaft hole of a first piston of the first piston set, a gap compensation device mounted in the second piston, a second spring having one end thereof stopped against the second piston and a security and sealing cap mounted in the housing to stop the other end of the second spring, and a drive shaft assembly rotatably mounted in a longitudinal passage of housing, which includes a shaft and an eccentric cam mounted on the shaft with one side thereof stopped against a roller of the first piston set and an opposite side thereof stopped against the second piston.

Abstract: Electrically-operated inward-swing double doors and inward-swing door driving devices thereof. Each inward-swing door driving device includes a sector gear in coaxial transmission with a door shaft of the inward-swing door, a driving mechanism used for driving the sector gear to rotate, and an unlocking mechanism. The driving mechanism includes a motor gear and a motor driving the motor gear to rotate. The unlocking mechanism includes a cylinder, a cylinder push rod extending out of the cylinder, and a lock located at the end portion of the cylinder push rod. The tail end of the lock is in transmission connection with a wheel axle of the motor gear. The lock is provided with a lock rotating shaft for rotating horizontally around the lock. The lock rotating shaft is provided with an elastic element for applying twisting resilience force to the lock.

Abstract: A spindle drive assembly for opening and/or closing a vehicle flap is described, having a spindle and a spindle drive motor coupled thereto by means of a two-stage epicyclic gearing. A ratio of a number of teeth of each planet gear of a first epicyclic gearing stage to a number of teeth of each planet gear of a second epicyclic gearing stage is selected such that, in operation, a first sound frequency that is emitted by the first epicyclic gearing stage differs by an integer multiple of a semitone from a second sound frequency that is emitted by the second epicyclic gearing stage. In addition, a vehicle flap with such a spindle drive assembly is presented.

Abstract: A control system for an electric drive assembly of a hatch of a motor vehicle includes a drive assembly configured to reposition a hatch in motorized manner in a time-controlled motion process within a predetermined set hatch-motion time (tsoll) over a predetermined set hatch displacement (ssoll). The control system further includes a regulating unit that regulates the drive assembly to a set hatch speed (vsoll) during the motion process. Wherein, in a motion routine during the motion process, the control system ascertains a residual remaining hatch-motion time (tRest) continuously and computes the set hatch speed (vsoll) continuously in accordance with a computation rule on the basis of the remaining hatch-motion time (tRest) and supplies the hatch speed to the regulating unit.

Abstract: A frameless vehicle door includes a window pane, a regulator motor, and a controller. The window pane is configured to being movable between at least a first and a second open position and a closed position. The window pane is configured to extend upward from a top of the door and into a vehicle frame when the window pane is in the closed position. The regulator motor is disposed within the door and is configured to transition the window pane between the open positions and the closed position. The controller is programmed to, in response to a voltage of a battery, that is configured to power the regulator motor, decreasing to less than a threshold and the window pane being in the closed position, transition the window pane to the second open position that is between the first open position and the closed position.

Abstract: An agent device includes an agent functional controller configured to provide a service including causing an output device to output a response of voice in response to an utterance of an occupant of a vehicle, and a controller configured to permit an operation of a power window of the vehicle when a speed of the vehicle is less than a first threshold value and limit the operation of the power window of the vehicle when the speed of the vehicle is equal to or greater than the first threshold value when the agent functional controller is activated.

Abstract: Prior to dry-in of a building, constructing an outer frame within an external opening of the building by attaching a top piece to a top, attaching a first side piece to a first side, attaching a second side piece to a second side, and attaching a bottom piece to a bottom of the building opening. After constructing the outer frame within the external opening of the building, the method includes mounting glass to glass receiving surfaces of the top piece, the first side piece, the second side piece, and the bottom piece. After dry-in and interior wall finishing of the building, the method includes attaching a plurality of inner base caps to an interior of the outer frame. After dry-in and exterior wall finishing of the building, the method includes attaching a plurality of outer base caps to an exterior of the outer frame.

Abstract: An adjustable mounting assembly includes a wall channel; an adjustment channel fitting within the wall channel; and a connection means arranged to adjustably connect the adjustment channel to the wall channel. The connection means includes a fixing block, with a first aperture therethrough, arranged to fit within the wall channel and between the wall and adjustment channels, the first aperture arranged to receive a wall fixing member arranged to pass through the base of the wall channel so as to secure the fixing block to the wall channel; and an adjustable fixing member arranged to secure the adjustment channel to the fixing block, a head of the adjustable fixing member being within the adjustment channel in use; wherein movement of the adjustable fixing member is arranged to allow movement of the adjustment channel, and the adjustment channel is arranged to receive a profile strip to cover the adjustable fixing member.

Abstract: There is a frame insulator that covers a window or door frame. A door or window has one or more panels that are supported by frame members. The frame members have interior surfaces and exterior surfaces. The one or more panels are mounted on the frame members. The interior surfaces or the exterior surfaces or both are enclosed by sheets of cross-linked polyethylene foam extending adjacent to the one or more panels and forming frame insulators.

Abstract: A corner support assembly for metal framed doors reinforces mounting of a metal door, so that the door molding easily attaches to extruded vertical and horizontal frame members of the corner support assembly. A top wall of the frame members with guide lines and molding that sits into a snap-fit mating relationship with corresponding frame members; thereby negating the need for notching. A heavy shear block provides structural integrity. The shear block abuts the intersection of the horizontal and vertical frame members, sliding between molding grooves in the vertical frame member. The shear block and horizontal and vertical frame members are secured into place with at least one of: a shear screw and a plug weld. An elongated threaded bolt reinforces connections between the horizontal and vertical frame members. A rubber glass setting block rests adjacent to the top wall of frame members to receive a glass pane.

Abstract: Provided is a door locking system including: a frame (10) including a hole (11) and a stopper hole (12), wherein the hole (11) is formed inside the frame (10), wherein a door glass (60) is fitted in the hole (11, wherein the stopper hole (12) is recessed from the hole (11) into a first sidewall of the frame (10); a captive bolt (20) inserted into the first sidewall of the frame (10) in a first direction toward the stopper hole (12); and a stopper (30) fitted in the stopper hole (12), wherein the second direction is perpendicular to the first direction.

Abstract: The present invention relates to a door skin comprising an exterior surface having outer portions lying on a first plane, spaced grooves recessed from the plane of the outer portions, and tonal portions having a planar area and a plurality of spaced depressions recessed from the plane of said planar area. The present invention is also directed to a method of etching a plate, for use with a molded die set, for embossing a wood grain pattern in the door skin, and the etched plate formed therefrom.

Abstract: In one aspect, a shutter assembly includes a shutter frame and a plurality of louvers supported by the frame. The shutter assembly also includes a louver drive assembly and a. motor positioned within the frame. The motor is configured to rotationally drive a drive shaft extending within the frame. Additionally, the shutter assembly includes a clutch assembly rotationally coupled between the drive shaft and the louver drive assembly. The clutch assembly is configured to disengage or decouple the drive shaft from the louver drive assembly when a torque transmitted through the clutch assembly exceeds a given torque threshold.

Abstract: A system for receiving delivery of an item includes: a door including at least one passage formed therethrough; a hatch movably located on the door and arranged at least partially over the passage formed through the door; an actuator coupled with the hatch for moving the hatch between an open position and a closed position; a controller in electronic communication with the actuator; and a sensor in communication with the controller. When the sensor detects a delivery of the item, the controller activates the actuator to move the hatch to the open position to allow the item to be inserted through the passage formed through the door.

Abstract: The present disclosure provides a hollow louver top operating system comprising a rotating mechanism and a lifting mechanism, wherein the rotating mechanism is used for opening and closing louver blades of a curtain, and the lifting mechanism is used for lifting the curtain up and down, wherein the rotating mechanism comprises a rotating rope and a top rotating controller, and the rotating rope is connected between the top rotating controller and one side of the curtain, wherein the lifting mechanism comprises a lifting rope and a top lifting controller, and the lifting rope is connected between the top lifting controller and the other side of the curtain, and wherein the curtain is located inside a window frame, the top rotating controller and the top lifting controller are disposed in the window frame at the upper portion of the curtain.

Abstract: A base structure and associated method for converting the base structure into an operable vane on a shade for an architectural opening. The base structure includes a back sheet and a front sheet attached together in engagement regions spaced along the length of the back sheet and front sheet. The front sheet is separated into front strip sections having a free end. Operating elements are positioned along the back sheet and situated so as to move relative thereto. The operating elements are attached adjacent to a free end of the front strip. Movement of the operating elements actuates the free end of the front strip to move from a closed position to an open position as desired by the user.

Abstract: A light absorbing and light emitting device, comprising a first structure supported by a holder. A first portion of the first structure (which can be flexible, sheet-like and/or at least partially opaque) comprises phosphorescent material and/or phase change material on a first side. The first structure is movable relative to the holder between a first position, in which the first side faces a first direction, and a second position, in which the first side faces a second direction. Also, a light admitting, light absorbing and light emitting assembly that comprises a light absorbing and light emitting device and a first light-transmitting structure. Also, a light absorbing and light emitting device that comprises a holder assembly and a plurality of first structures, with phosphorescent and/or phase change material, and each movable between first and second positions. Also, methods of absorbing light and emitting light with such structures.

Abstract: The invention relates to a tubular home-automation actuator for driving a winding tube (310), said actuator comprising a head system (100) including a fixed point (1), a bush bearing (2), and a head (3A; 3B), The fixed point (1) forms a bearing surface (11) for guiding the bush bearing (2) in rotation, said bush bearing (2) partially covering a tube (210) of the tubular home-automation actuator. The head (3A, 3B) comprises a bore (32) having a first connecting element (33) that engages with a second connecting element (13) provided on the outer periphery of the fixed point (1) such as to connect the head and the fixed point in a rotatable manner. The head comprises a stop element (31) serving as an axial stop to the bush bearing along the longitudinal axis when the head is mounted on the fixed point.

Abstract: A roman shade for covering a structural opening comprising a tube adapted to be installed proximate to the top of the structural opening, a shade material having a first end attached proximate to the top of the structural opening, a pair of tracks each adapted to follow a contour of and be attached along one of the sides of the structural opening, a pair of master carriers attached to opposite sides of and proximate to the second end of the shade material and each adapted to travel within one of the tracks, a pair of cords each having a first end attached to the tube and a second end attached to one of the pair of master carriers, and a shade drive unit operably connected to the tube and adapted to rotate the tube to wind or unwind the pair of cords and thereby lift or lower the pair of master carriers within the pair of tracks.

Abstract: A tubular electromechanical actuator includes an electric motor, a housing, a closure element and a crown. The housing includes a first end and a second end. The closure element is configured to close off the second end of the housing and includes indentations configured to engage with recesses in the housing. The crown is arranged at least around the housing and at the second end of the housing. The crown is a monobloc part and includes clearances and a stop. The clearances of the crown are configured to engage with the indentations of the closure element. The stop is configured to engage with the indentations of the closure element, following the assembly of the crown with the closure element and a rotational movement of the crown relative to the closure element, so as to block the translation of the crown with respect to the closure element.

Abstract: Foldable ladders and related methods for use within a pit of an elevator system include a first upright, a second upright, and a plurality of rungs pivotally mounted to each of the first upright and the second upright. A locking mechanism has a first segment pivotally attached to the first upright and a second segment pivotally attached to the second upright, and the two segments are pivotally connected. A locking device is located on an upright and operably connected to a segment. The locking device includes a first catch and a second catch, a pin moveable to engage with the first catch in a first position and moveable to engage in a second position. A biasing mechanism applies a force to the pin to engage the pin with a catch. An operating device is operable to apply opposing force against the biasing mechanism to disengage the pin from the catch.

Abstract: A system for drilling a subterranean borehole. In an embodiment, the system includes a mast, and a pipe rotator coupled to the mast. The pipe rotator includes a stem that is configured to be coupled to an end of a drillstring and a motor that is configured to rotate the stem. In addition, the system includes a guide beam coupled to the mast. The guide beam includes a longitudinal axis and is configured to guide vertical motion of the pipe rotator. The guide beam includes a plurality of elongate sections configured to be generally aligned along the longitudinal axis. In addition, the guide beam includes a plurality of coupling assemblies configured to interconnect the plurality of elongate sections and align the plurality elongate sections along the longitudinal axis.

Abstract: A flowing drilling apparatus having a feed drive for producing a feed of a flow drill in an axial direction and having a rotary drive for producing a rotational movement of the flow drill. The flowing drilling apparatus includes a control device that is configured and adapted to control the feed drive and/or the rotary drive in accordance with a first set of parameters up to a defined switchover point and to control it/them in accordance with a second set of parameters differing from the first set of parameters, from the defined switchover point onward.

Abstract: Provided is an anti-rotation system and method of operating a downhole tool. The anti-rotation system, in one embodiment, includes a housing defining a longitudinal axis, and a carriage mounted within the housing, the carriage including at least one anti-rotation blade configured to engage a formation and resist rotation of the housing about the longitudinal axis. The carriage, in accordance with this embodiment, is configured to rotate about a carriage axis and tilt the at least one anti-rotation blade from a first extended position to a second at least partially retracted position.

Abstract: An apparatus, a method for positioning a rock drilling, and a rock drilling rig is provided. The rock drilling rig includes a mobile drilling platform and a drilling mast connected to the drilling platform. The drilling platform is levelled vertically before initiating drilling. The apparatus determines the needed vertical levelling requirement. The levelling causes displacement of a drilling tool line passing through a drilling tool. The apparatus estimates the displacement and provides aid for the operator to position the drilling platform in order to compensate for the estimated displacement distance.

Abstract: Some embodiments of the disclosure relate to an apparatus that may reduce friction of a tubular structure in horizontal or deviated well. An apparatus is provided for mounting on a tubular structure, such as a casing or drill string having a longitudinal axis. The apparatus comprises a tubular segment for mounting over the casing or drill string such that the apparatus is freely rotatable about the longitudinal axis. The apparatus also includes a plurality of ridges on the outer face of the tubular segment, the ridges being at an angle to an axial direction of the tubular segment to cause the apparatus to rotate responsive to movement of the apparatus against a wall of the wellbore as the apparatus traverses the wellbore. The raised ridges have a non-uniform height from the outer face of the tubular segment.

Abstract: The systems, devices, and methods described herein relate to a double layer racking board on a land-based drilling rig. The double layer racking board may include a drill pipe racking board and a casing racking board. The drill pipe racking board may be positioned at a different height than the casing racking board, such than operator is able to comfortably access drill pipe stands and casing stands of different heights via the racking boards. The double layer racking board may allow for the performance of a first drilling operation involving drill pipe stands at the same time as the performance of a second drilling operation involving casing.

Abstract: A drilling machine includes a mast, a rotary head movably coupled to the mast, a drill string component having a pair of opposed flat surfaces, and a securing structure including engagement surfaces shaped to engage the opposed flat surfaces and secure the drill string component from rotating. The drilling machine also includes a controller configured to track a rotational location of the flat surfaces of the drill string component during rotation of the drill string component. The controller is further configured to receive tracking information from a sensor associated with the rotary head and control the rotary head to align the opposed flat surfaces for engagement by the securing structure.

Abstract: Disclosed is a method and system for tuning a hydraulic model to be used for estimating down hole dynamic pressure as a function of flow rate includes: a) selecting a non-tuned hydraulic model estimating the relative magnitude of the pressure losses in various annulus sections of the well bore; b) applying the non-tuned hydraulic model to give a first order estimate of the pressure gradients and the shear stresses at the drill string; c) applying the same non-tuned model to estimate the flow lift area for two different flow rates, where the first flow rate is zero or much lower than the second flow rate being substantially equal to a typical flow rate obtained during drilling; and d) performing a model tuning test where the string is rotated off bottom while said two different flow rates are used to obtain corresponding string weights.

Abstract: A downhole tool and a drill string (18?) comprising such a downhole tool is disclosed. The downhole tool comprises a housing having a first end and a second end, wherein a first fluid conduit (5) extends from an opening in the first end to an opening in the second end. A second (8?) and a third fluid conduit is further arranged in the housing, wherein the second (8) and third fluid conduits extend from an inner opening connected to the first fluid conduit (5) to an outer opening arranged in the outer side surface of the housing. The second and third fluid conduits (8, 24) are placed in acute angles relative to a longitudinal direction of the downhole tool. The second fluid conduit (8) is orientated so that it faces towards the first end. The third fluid conduit (24) is orientated so that it faces towards the first or second end. This provides an improved cleaning effect and transport effect without generating a Vortex around the outer opening of the second and third fluid conduits (8, 24).

Abstract: A backup including a radially inwardly disposed circumferentially continuous ring; a radially outwardly disposed circumferentially discontinuous ring, the circumferentially discontinuous ring comprising a plurality of segments arranged to overlap adjacent ones thereof about a circumference of the circumferentially discontinuous ring.

Abstract: A compression-set straddle packer with fluid pressure-boosted packer set has a two-part multicomponent mandrel and a multicomponent sliding sleeve that reciprocates within a limited range on an upper part of the two-part multicomponent mandrel. A two-part lower packer element compression sleeve in a lower part of the two-part multicomponent mandrel reciprocates on a packer element piston mandrel component and pressure-boosts compression of a lower packer element when high-pressure fluid is pumped into the straddle packer. A bias element constantly resists relative movement between the multicomponent mandrel and the multicomponent sliding sleeve and balances pressure-boost between the lower packer element and an upper packer element supported by the upper part of the two-part multicomponent mandrel.

Abstract: This disclosure may generally relate to subterranean operations and, more particularly, to systems and methods for setting a packer. Specifically, embodiments of the present disclosure may provide real-time verification of setting a packer in order to form a seal within a wellbore. A system for packer setting may comprise a packer, a telemetry module operable to wirelessly receive one or more control signals from a surface location, and a control module coupled to the telemetry module and the packer, wherein the control module is operable to actuate the packer in response to the one or more control signals from the surface location.

Abstract: A setting tool (402) for setting a plug in a well, the setting tool (402) including a body (404) extending along a longitudinal axis X; a rod (408) extending along the longitudinal axis of the body (404), from an upstream end (402B) to a downstream end (402A) of the body (404); a chamber (406) formed at the downstream end (402A) of the body; and a restriction element (450) located in the chamber (406). The rod (408) extends through the entire chamber (406) and the restriction element (450) is located between the rod (408) and a wall (404A) of the chamber (406).

Abstract: A method of preventing valve operations which may inadvertently shear a wireline, causing a downhole tool string loss. Logic control of actuated valve control equipment in a wireline operation enables and disables or set valve states when a wireline is passing through dependent on tool string placement. Emergency override is available to shear wirelines and drop tool strings prior to valve operations to avoid possible interference with valve closures.

Abstract: An apparatus includes a valve having a hollow body and an inner sealing assembly positioned in the hollow body. The inner sealing assembly includes a piston and can be moved between an open position and a closed position to selectively control flow along a flow path through the valve. The flow path includes a bore of the piston that allows flow through the piston, and pressure within the valve from a fluid in the flow path within the valve biases the inner sealing assembly toward the closed position to stop flow through the valve. Additional systems, devices, and methods are also disclosed.

Abstract: A technique facilitates control over flow of fluid in a variety of well applications and other applications. A flow control device is used to automatically control flow of fluids based on viscosity of the fluids. For example, the flow control device may be used to automatically allow flow of oil while blocking flow of gas and/or water. According to an embodiment, the flow control device comprises a production circuit and a metering circuit. The production circuit and the metering circuit cooperate to allow flow of a well fluid with a first viscosity and to block flow of well fluid when the well fluid has a different viscosity, e.g. relatively lower viscosity.

Abstract: A fluid flow control device can include an inlet port and an outlet port. The fluid flow control device can also include a rotatable component for rotating about an axis in response to fluid flow from the inlet port. A float component positioned within the rotatable component can move between (i) an open position that enables fluid flow from the inlet port to the outlet port, and (ii) a closed position that restricts fluid flow from the inlet port to the outlet port. The float component can move from the open position to the closed position in response to a fluid from the inlet port having one density. The float component can move from the closed position to the open position in response to the fluid from the inlet port having another density.

Abstract: A drill string steering system includes a motor and a rotary valve body disposed in a tool body. The motor includes a motor shaft coupled to the motor and extending within a central bore of the tool body. The motor shaft has a downhole engagement portion that includes a first splined surface. The rotary valve body includes a disk-shaped component and a valve shaft coupled to the disk-shaped component and extending uphole of the disk-shaped component. The valve shaft includes a second splined surface engageable with the first splined surface for rotation of the motor shaft to be imparted to the rotary valve body.

Abstract: A valve arranged to close a flow path extending through it, on the loss of an electrical voltage supplied to a driving motor of an actuation element, the driving motor, which comprises a stator and a rotor, being arranged to, via transmission elements, displace the actuation element between at least a first position, in which the actuation element is arranged at a distance from a spring-loaded, rotatable valve element, and a second position, in which the actuation element holds the spring-loaded, rotatable valve element in an open position, the rotor of the driving motor surrounding and being connected to a roller nut which is provided with a number of supported thread rollers which are distributed around and are threadedly engaged with the actuation element, the actuation element being a flow pipe which forms a flow path and is axially displaceable away from its second position by means of an actuator spring.

Abstract: Programmable plug system for accessing and isolating formations during hydraulic fracturing, consisting of a Programmable Plug and plurality of Sliding Sleeve Valves installed in the casing string of a wellbore wherein Programmable Plug travels down the casing string, through the casing and Sliding Sleeve Valves wherein during its passage the Programmable Plug recognizes and counts each sleeve using on-board sensors, electronics and software and wherein the Programmable Plug utilizes recognition information to locate, activate and set itself into the Sliding Sleeve Valve according to programmed sequence stored in the on-board memory wherein this activation and setting of the Programmable Plug forms physical coupling between Programmable Plug and allows the Programmable Plug to engage and actuate the Sliding Sleeve and wherein applying the pressure from the surface causes opening of the Sliding Sleeve Valve, wherein this opening provides access to the zone adjacent to the Sliding Sleeve Valve while sealing and

Abstract: An adaptive fluid switch for regulating the production rate of a fluid. The adaptive fluid switch includes a fluid control module having a fluid selector, a swirl chamber and a self-impinging valve element. When the fluid produced through the adaptive fluid switch has a viscosity greater than a first predetermined level, the fluid selector determines the fluid to be a selected fluid such that the fluid swirls in one direction in the swirl chamber and follows a low resistance flow path in the valve element. When the fluid has a viscosity less than a second predetermined level, the fluid selector determines the fluid to be a non-selected fluid such that the fluid swirls in the opposite direction in the swirl chamber and follows a high resistance flow path in the valve element, thereby regulating the production rate of the fluid responsive to changes in the viscosity of the fluid.