Abstract: An immobilization device for steering systems on marine motors. The device comprises a first and second member, each member having two opposite ends, a non-immobilizing fastener connecting the first member near one of its ends to the second member near one of its ends, and a compressing fastener connecting the first member near the other of its ends to the second member near the other of its ends. The compressing fastener operates to draw the first and second members closer together. The device may also be part of an immobilization system comprising at least one of the devices and a steering system having a steering shaft and a steering ram. The device is assembled around the steering shaft and the compressing fastener is capable of applying sufficient compressive force to resist the steering ram sliding along the steering shaft.

Abstract: An exemplary door lock transition method includes transitioning a door lock of a vehicle from a deactivated state to an activated state based on a door lock schedule that includes a deactivated period where the door lock is scheduled to be in the deactivated state, and an activated period where the door lock is scheduled to be in the activated state. An exemplary door lock transition assembly includes, a door lock of a vehicle, and a control system configured to transition the door lock from a deactivated state to an activated state based on a door lock schedule.

Abstract: The present disclosure shows an anti-rotation device for a lock system in a motor vehicle, comprising a base cover unit having an opening for passage of a lock system; a cover unit; a rotor rotatably attached to a back side of the base cover unit by a latch mechanism, in which the rotor has a radial rib structure; a hollow receiving body accommodating the rotor and having a recess; and an interlock system on a circumferential line of the recess of the receiving body. On rotation of the rotor in the receiving body the position of the rotor in the receiving body is ascertained by the contact of the interlock system with the rib structure.

Abstract: In an aspect, a door control system is provided for a vehicle door and includes a pushrod and a locking device. The pushrod has a first end connected to one of the vehicle body and the vehicle door. At least a portion of the locking device is mounted to the other of the vehicle body and the vehicle door. The locking device includes a leadscrew, a leadscrew nut mounted on the leadscrew, a housing including a guide path, and a brake. The pushrod has a second end connected to the leadscrew nut. The leadscrew nut is constrained against rotation but is slideable along the guide path by movement of the pushrod, which causes rotation of the leadscrew. The brake is positionable in a braking position in which the brake prevents rotation of the leadscrew, and a release position in which the brake permits rotation of the leadscrew.

Abstract: A moving coil, constant force, curl spring window balance assembly for installation in a hung window assembly comprising a sash is disclosed. The window balance assembly can include a carrier, a mounting bracket, a curl spring and a sash support bracket. The sash support bracket can be positioned intermediate the carrier and the mounting bracket. The sash support bracket can selectively engage at least one of the carrier or the mounting bracket. The sash support bracket is operable to supplement the counter-balance or holding force provided by the curl spring of the window balance assembly against the weight of the sash when the sash is in a raised position.

Abstract: An assembly for mounting a door with a vehicle compartment includes an arm coupled with the compartment and with the door and a constant-force spring having a coil coupled with one of the door and the compartment and an end coupled with the other of the door and the compartment such that a contraction of the spring causes the door to move with rotation of the arm.

Abstract: A concealed hinge for a turn-tilt window with a fixed frame and leaf includes of a pair of scissors with a first arm and second arm, that are connected by a central hinge and which are hingeably connected by a first end to a mounting slat that is intended to be mounted on the frame, and have a hinge at a second end for coupling to the leaf. The first arm is connected by its first end to the mounting slat with a fixed frame hinge with a peg fastened to the mounting slat and the second arm is connected by its first end to the mounting slat by a shiftable frame hinge with a peg that is shiftably affixed in a guide slot of the mounting slat, whereby in the closed situation of the scissors, the mounting slat serves as a support for the tilting movement of these scissors.

Abstract: A method of adjusting the closing force of a door coupled to a door closer assembly having a bias element. The method includes determining the kinetic energy of the door without using the weight or other dimensions of the door. The determined kinetic energy is used to adjust the closing force of an electro-mechanical door closer that includes a spring and a motor. The door includes the use of one, some of, or all of an accelerometer, an angular position sensor, a time to close, a breaking torque, and a controller to identify values of acceleration, velocity, and/or position of the door. The identified values are provided to the controller, which is configured to calculate the kinetic energy of the door. The calculated kinetic energy is used to determine the closing velocity of the door closure to ensure proper operation of the door at the point of installation.

Abstract: In an actuator of a combined acceleration and deceleration device with an operating element which is height-adjustable along a guide element and, by means of an adjustment arrangement, relative to the guide element, the operating element comprises a support plate and at least one carrier lug which extends normal to the support plate and has a guide element accommodation opening for receiving the guide element. The adjustment arrangement has a tool receiving cavity and the support plate has elastically deformable abutment webs. The invention also resides in a sliding door comprising an acceleration and deceleration device as well as such an actuator.

Abstract: A machine tool according to the present invention is provided with a door opening/closing device including a movable door, a door opening/closing drive motor configured to drive the movable door, a power transferring mechanism configured to transfer power of the door opening/closing drive motor to the movable door. The machine tool includes a disturbance torque estimation unit configured to estimate a disturbance torque applied to the door opening/closing drive motor at an opening/closing operation of the movable door, a torque comparison unit configured to compare the disturbance torque estimated by the disturbance torque estimation unit to a predetermined first upper limit and a predetermined first lower limit, and a motor stop unit configured to stop the opening/closing operation of the movable door when the torque comparison unit determines that the disturbance torque is larger than the first upper limit or smaller than the first lower limit.

Abstract: A power tailgate mounting system for a vehicle includes a first gusset member and a second gusset member. The first gusset member is secured to an inward side of a roof rail of the vehicle at a rear end portion of the roof rail. The first gusset member has a first gusset tailgate motor mounting portion extending laterally inwardly from the roof rail for mounting an associated tailgate motor. The second gusset member is secured to the inward side of the roof rail at the rear end portion of the roof rail. The second gusset member has a second gusset tailgate mounting portion extending laterally inwardly from the roof rail for mounting the associated tailgate motor. The second gusset tailgate mounting portion overlaps the first gusset tailgate mounting portion.

Abstract: A machine tool system includes: a machine tool that includes an openable door configured to block an opening of a cover surrounding the machine tool, and a door driving unit configured to open and close the door; and a work exchange device configured to exchange a work disposed in the cover. Further, the machine tool system includes: a first opening width setting unit configured to set a door opening width of the door; a second opening width setting unit configured to set a turnback opening width; and a door control unit configured to control the door driving unit to move the door in an opening direction from a completely closed position of the door to a position of the turnback opening width of the door, then move the door in a closing direction and stop the door at a position of the door opening width.

Abstract: An assembly for a vehicle having a supporting housing includes a drive unit, a moveably supported camera unit for recording a surrounding area of the vehicle, an actuation element, a mechanical return element, and a support element, which is coupled to the mechanical return element, wherein the mechanical return element exerts a return force that retains the actuation element in the standby position, or forces the actuation element into the standby position when the camera unit is in the standby position. The return element is supported on the support element. An assembly is thus created in structurally simple manner, which is distinguished by a small installation space, and which can be operated in an energy efficient manner. The support element can be moved in relation to the supporting housing. Also, the drive unit is coupled to the support element.

Abstract: An apparatus for reviving the appearance of a frame structure in a commercial window utilizes extruded plastic U-shaped channels adapted to fit over each element of the frame structure. The plastic channels are mixed with a selected color so that no painting is required. The channels are preferably attached to the frame structure by adhesive strips. Ends of the channels at frame structure intersections are covered by connectors overlaying ends of the channels.

Abstract: The door seal kit is configured for use with a door. The door seal kit is a gas impermeable structure. The door seal kit forms a gas impermeable seal around the door. The gas impermeable seal prevents the exchange of gas from the atmosphere on the side of the door seal kit that is proximal to the door to the side of the door seal kit that is distal from the door. The door seal kit is used to contain gases, and their associated smells, within the room the door accesses. The door seal kit comprises a jamb frame and a sealing structure. The jamb frame attaches the sealing structure to the door jamb. The sealing structure forms the gas impermeable barrier around the door.

Abstract: A window assembly is disclosed that includes a double-hung window aesthetic with an alternative opening procedure and mechanism. The window assembly may include various hardware systems. The hardware systems may include locking portions to assist in locking sash members to a frame and balance assembly for moving the sash members. The window assembly may be formed of selected materials.

Abstract: A tilt-up door for a building having an opening including a door frame with vertical track members, cam surfaces extending laterally from the vertical tracks at the upper portion of the tracks and a door sized to span the opening. The door can be pivotally coupled with rollers disposed within the vertical tracks and cam followers extending laterally from the upper portion of the door to contact the cam surfaces. When an upwardly directed motive force acts on the door the cam followers come into engagement with the cam surface to lift the door generally vertically and then rotate the door inwardly as the door is raised into an open raised position.

Abstract: A door includes a door frame, first and second door skins having rectangular outer peripheries and inner openings, and a frameless glazed unit received at the openings. The door skins include exterior surfaces facing away from the door frame and opposite interior surfaces facing and secured to opposite sides of the door frame. The exterior and interior surfaces of the first and second door skins establish integral lips and grooves of the first and second door skins Opposite sides of the frameless glazed unit directly contact and are sealed by the integral lips and sealant and/or adhesive contained in the grooves of the first and second door skins.

Abstract: A strand of sealing compound is expelled from a nozzle into an edge joint of an insulating glass element to form around it a contiguous sealing compound bead. The sealing compound bead is formed discontinuously from several segments. At least one first segment is formed by the relative movement in a first circumferential direction of the insulating glass element, and at least one second segment is formed by the relative movement in a second, opposite circumferential direction. Each connection of segments of the sealing compound bead which is situated on a longitudinal side section of the circumference of the insulating glass element is formed such that the strand of the sealing compound is applied in the region of the end of a sealing compound bead already situated in the edge joint and is formed by the relative movement away from the end.

Abstract: A thermally insulating curtain for windows and rooms provided with glass or transparent material. The curtain has an outer solar-energy-absorbing surface outside a thermally insulating layer. A space is disposed between the solar-energy-absorbing surface and a transparent layer situated outside the solar-energy-absorbing layer and/or between the solar-energy-absorbing surface and the thermally insulating layer. The curtain includes a structure that transports air through the space, and a fastener for arranging the curtain on the inside of a window, so that absorbed solar energy is supplied to the room behind the curtain.

Abstract: A rail, such as a head rail, for an architectural covering. The rail includes a housing having elongate walls extending along a length of the housing and defining therebetween a width of the housing. A drive shaft is rotatable about a drive axis extending along the length of the housing and is configured to wind and unwind lift cords of the architectural covering. A spring assist module, e.g. a spring motor has an output shaft rotatable about an output axis with rotation of the drive shaft. The spring motor is mounted in the housing with the output axis parallel to the drive axis, but offset from the drive axis with respect to the width of the housing and the output shaft is connected directly to the drive shaft for rotation therewith.

Abstract: A blind having a blind operating mechanism and a blind control element and having an enclosure for the blind control element, with the element completely enclosed, a connector supporting the enclosure on the blind, and depending downwardly, and a drive device at the lower end of the enclosure for operating the element.

Abstract: A screen system for use with a sliding panel of a window or door to screen an opening as the sliding panel or door is opened. The screen is attached to the edge of the sliding panel adjacent the opening, and is wound onto a spindle. The spindle is rotatably mounted adjacent the screen opening so that the screen can be unwound from or wound onto the spindle. A cord is connected between the sliding panel and the spindle pulley via an idler pulley. The spindle is caused to rotate to wind the screen onto the spindle as the sliding panel is slid towards the closed position. While the screen is wound off the spindle, the cord is wound onto the spindle pulley and vice versa. A tension adjustment arrangement is provided for adjusting the tension in the cable as the screen is wound and unwound from the spindle.

Abstract: The present invention relates to double fabric blinds and, more particularly, to a device for adjusting a fabric angle of the double fabric blinds, which is capable of finely adjusting an degree of openness of a front sheet, wherein a plurality of balls are sequentially held in a holding groove, e.g., as four or eight balls, inserted into an insertion groove of a rotation component, wherein the plurality of balls are rotated in a guide groove of a stopper by approximately 90 degrees or 45 degrees, thereby improving safety and omitting the use of a conventional string.

Abstract: A stepladder includes a pipe/tube holder attached to the rear side for holding pipe and/or a strap bender attached to a rail or a rear rung through which a strap is inserted to be bent, and/or a utility hook attached to the rear side. A method for cutting a pipe. A method for using a tool. A method for bending a strap.

Abstract: The present invention relates to a particularly compact and safe extendable access device for gaining access to elevated locations via a hatch opening. The access device comprises a telescopic ladder with a plurality of sliding elements movable between an extended position and a retracted position, each sliding element comprising two stiles connected by a rung. The stiles of each sliding element are interlocked with the stiles of adjacent sliding elements, wherein each sliding element comprises a first locking mechanism for releasably connecting at least one of the stiles to an adjacent stile of an adjacent sliding element, the first locking mechanism being adapted to lock each sliding element in its retracted position.

Abstract: The disclosure relates to drilling fluid compositions, and their method of use, comprising a non-toxic and low cost-to-produce mineral base oil comprising 90 to 100% branched and cyclic-paraffins and virtually aromatic free. The disclosed base oils are suitable to replace diesel oil and distillates in any drilling operation and offers a reduced environmental impact and improved health and safety of employees.

Abstract: A pullback system for a drilling tool includes features to retain a pulling cable. The drilling tool includes a drill bit body for carrying a plurality of cutting teeth. The drill bit body has a first side and an opposite second side. The drill bit body also defines a first pullback device passage that extends through the drill bit body from the first side to the second side. The first pullback device passage extends generally along a passage axis that extends through the drill bit body. The first pullback device passage includes at least a portion adjacent to the first side that curves as the surface extends in a direction along the passage axis. The passage axis is positioned along a reference plane that generally bisects the drill bit body.

Abstract: A polycrystalline compact includes diamond, cubic boron nitride, and at least one hard material, which may be aluminum nitride, gallium nitride, silicon nitride, titanium nitride, silicon carbide, titanium carbide, titanium boride, titanium diboride, and/or aluminum boride. The diamond, the cubic boron nitride, and the hard material are intermixed and interbonded to form a polycrystalline material. An earth-boring tool includes a bit body and a polycrystalline diamond compact secured to the bit body. Methods of fabricating polycrystalline compacts include forming a mixture comprising diamond, non-cubic boron nitride, and a metal or semimetal; encapsulating the mixture in a container; and subjecting the encapsulated mixture to high-pressure and high-temperature conditions to form a polycrystalline material.

Abstract: A driveshaft assembly comprises a cylindrical upper member, with one end of the upper member being connected to the rotor and an other end of the upper member having a plurality of torque transmitting profiles. An elongated central member has two ends, with each end having a plurality of torque transmitting profiles. A seat is retained within a central bore of the upper member, the seat having a curved end. A catch is retained within the central member, the catch having a curved end. The upper member transfers torque from the rotor to the central member via the torque transmitting profiles of the upper member and the torque transmitting profiles of the central member, and the curved end of the seat contacts the curved end of the catch while maintaining a gap between the other end of the upper member and the adjacent end of the central member.

Abstract: A centralizer assembly and method for manufacturing a centralizer assembly. The centralizer assembly includes a mandrel including a first raised region having a first diameter, and a turned-down region having a second diameter, the second diameter being smaller than the first diameter. The centralizer assembly also includes a first stop segment extending at least partially around the mandrel in the turned-down region, and a centralizer disposed at least partially in the turned-down region. The first stop segment is received between axial extents of the centralizer, to limit a range of motion of the centralizer relative to the mandrel.

Abstract: A drilling string stabilizer tool comprises a cylindrical body and a plurality of stabilizer blades mounted on the outer surface of the cylindrical body. The stabilizer blades have an elongated shape and a monolithic structure with an upper stabilizing part and a lower mounting part. Between each two adjacent blades there can optionally be a hydrodynamic flute for improving the flow of liquid and cuttings during drilling and tripping.

Abstract: A stabilizer assembly for incorporation in a drill string. The stabilizer assembly includes a tubular member and a stabilizer sleeve slidably disposed about the tubular member. The tubular member has a first castellated portion extending externally around the tubular member, and the stabilizer sleeve has a second castellated portion engaging the first castellated portion. The tubular member includes a first shoulder extending externally around the tubular member, and the stabilizer sleeve further includes a second shoulder extending internally around the stabilizer sleeve. The first and second shoulders at least partially define an annular space between the tubular member and the stabilizer sleeve. A key is disposed within the annular space such that an axial load path between the tubular member and the stabilizer sleeve is substantially through the first and second shoulders and the key and substantially not through the first and second castellated portions.

Abstract: A method, system and apparatus for producing hydrocarbons from a low permeability reservoir formation. A wellbore with a plurality of fractures designated as one of a first or a second set of fractures is provided. A first fluid conduit is formed by an annulus between an outer casing of a tubular and an inner tubular member, and is arranged to transport produced hydrocarbons. An interior of the inner tubular member forms a second fluid conduit which is arranged to transport an injection fluid. A set of first openings is provided in fluid connection with the first fluid conduit, each first opening being located to substantially align with one of a first set of fractures. A set of second openings is provided in fluid connection with the second fluid conduit, each second opening being located to substantially align with one of a second set of fractures.

Abstract: The present disclosure concerns a method for detecting gain or loss of drilling fluid in a drilling installation, said drilling installation comprising a drilling pipe, drilling fluid pits and a hydraulic connection between the pits and the drilling pipe.

Abstract: This invention relates to an activating tool (1) for connecting to and displacing a component (40) in a well tube (4), activating tool (1) includes a driving device (8) axially displaced in two axial directions; a sleeve-shaped release element (14) with an annular end portion (52); a gripper holder (20) arranged axially displaceable in release element (14) and displaced by driving device (8); axially longitudinal recesses (24) in gripper holder (20); at least two radially displaceable gripping elements (26) spring-biased in a radial outward direction, positioned in respective recesses (24) and complementarily fitting respective cut-outs (42) in the component (40), and each gripping element (26) has a slanted rear portion (48); gripping elements (26) retracted into release element (14) in passive positions of gripping elements (26), and gripping elements (26), at least partially, displaced out of release element (14) in active positions of gripping elements (26) so end portion (52) hits slanted rear portions (

Abstract: An anchoring device includes at least one slip configured to fixedly engage the anchoring device to a structure when urged against the structure, and a member separate from the at least one slip positioned radially of the at least one slip having a portion that is radially deformable in response to longitudinal compression, the portion being configured to urge the at least one slip against the structure when deformed.

Abstract: A system for use in a well includes a completion system having a shoulder contact region, an electric submersible pumping system deployed downhole via a cable for landing on the completion system, a tubular member coupled to the electric submersible pumping system and extending downhole from the electric submersible pumping system, and a shoulder mechanism slidably mounted on the tubular member for engagement with the shoulder contact region during landing, the shoulder mechanism being selectively settable along the tubular member to counter tensile loading in the cable. The shoulder mechanism is set against the tubular member via anchors actuated against the tubular member, and the anchors are actuated by a piston movably mounted within a housing of the shoulder mechanism.

Abstract: A packer assembly can include a setting mechanism with a shock dissipation device that deforms and thereby dissipates shock produced by the setting mechanism. A method of constructing a packer assembly can include assembling a setting mechanism by releasably securing a piston of the setting mechanism, the piston displacing in response to a predetermined pressure differential being applied across the piston, and positioning a shock dissipation device with the piston, the shock dissipation device dissipating shock produced by displacement of the piston when the predetermined pressure differential is applied. Another packer assembly can include a setting mechanism which outwardly extends a seal element and/or a gripping device, the setting mechanism including a shock dissipation device which deforms and thereby dissipates shock produced by the setting mechanism, and the shock dissipation device including a generally tubular member having multiple openings formed through a wall of the tubular member.

Abstract: A downhole retrieval tool includes a mandrel; an inner sleeve disposed around the mandrel; a plurality of magnets coupled to the inner sleeve; and an outer sleeve disposed around the plurality of magnets, wherein the inner sleeve and the plurality of magnets are rotatable relative to the mandrel. In another aspect, an assembly tool for handling a magnet includes an anchor; a conveyance movable relative to the anchor; and a magnet holder coupled to the conveyance, wherein the magnet holder includes an arm for retaining the magnet.

Abstract: A release device for a jarring tool includes a collet positioned between the mandrel of the jarring tool and a trigger sleeve. At least one end of the collet is in contact with a precompressed spring via a bushing. In order for the jarring tool to operate, a force greater than the precompressed force of the spring must be applied to the mandrel so that the collet can move in axial direction against the spring thereby releasing the mandrel.

Abstract: A monitoring system for a blowout preventer (BOP) includes an ultrasonic transceiver configured to be coupled to a body that supports a movable component of the BOP. The system also includes a reflector configured to be positioned within a channel formed in the body. The ultrasonic transceiver is configured to emit an acoustic wave and the reflector is configured to reflect the acoustic wave to facilitate transmission of the acoustic wave from the ultrasonic transceiver to the movable component of the BOP and to facilitate transmission of a reflected acoustic wave from the movable component to the ultrasonic transceiver to enable the ultrasonic transceiver to generate a first signal indicative of a position of the movable component. The system further includes a controller configured to receive the first signal from the ultrasonic transceiver and to determine the position of the movable component based on the first signal.

Abstract: An improved method and apparatus for dropping a ball, plug or dart during oil and gas well operations (e.g., cementing operations) employs a specially configured tool body assembly having valving members (e.g., safety or kelly values) and valving members holding plugs, balls, or darts to be dropped. In one embodiment, the ball(s), dart(s) or plug(s) are contained in a sliding sleeve that shifts position responsive to valve rotation. An optional indicator indicates to a user or operator that a ball or plug has passed a selected one of the valving members. A transmitter (or transceiver) provides an ability to generate a wireless signal that is received by receivers (or transceivers) on the tool body assembly. Each receiver (or transceiver) controls an electrical actuator that engages a valving member or the indicator. Wireless signals can be used to open or close a valve or to reset a “tripped” indicator.

Abstract: A wire line tool trap has a central housing with an axial passage. The passage is sized and shaped to movably receive a cable and tool. A pair of housings have an interior that opens to the passage of the center portion. Each of a pair of catch blocks are disposed in a respective lateral housing. Each catch block has an inside catch end with an under face and an upper face. When the catch blocks are fully inserted, a passage is defined to permit the wire line to pass therethrough. The under faces form a concavity, and the upper faces form a top land. The concavity permits a tool to urge the catch blocks apart and into a retracted state. Thus, the tool can drawn upwardly between the catch blocks. The top land retains a tool thereon and prevents the downward passage of the tool past the blocks.

Abstract: A system and a method are disclosed herein that relate to powering a pumping system within a downhole tool. The system may include a turbine having a shaft extending therefrom, in which the turbine is configured to convert energy from a fluid received therein into rotational energy for the shaft. The system may further include a pumping system coupled to the shaft of the turbine, in which the pumping system includes one or more driving devices coupled to one or more displacement units. The displacement units may have a cavity formed therein, in which the cavity is configured to receive a fluid therein. The driving devices may then be configured to drive the displacement units such that the fluid is received within the cavity of the displacement units.

Abstract: A degradable seal member for downhole tools, the member being a diameter-expandable annular seal member, the diameter-expandable annular seal member comprising: two or more annular members distributed along an axial direction, the annular members being formed from a degradable polymer material having hardness in a range from A60 to D80; a plug for well drilling; and a method for well drilling using the degradable seal member for downhole tools.

Abstract: A pressure disintegrable device includes a first volume that further includes a first portion and a second portion. The first portion is adapted to transmit a pressure applied to the first volume to a second portion disposed on the first portion. The second portion is adapted to decrease a melting point thereof as the transmitted pressure increases beyond a predetermined pressure. The pressure disintegrable device may also include a layer disposed on the first volume that is adapted to create a seal between the first volume and an external structure.

Abstract: A method of sealing a formation that includes drilling a wellbore through the formation while pumping a non-aqueous based wellbore fluid comprising an encapsulated first component into the wellbore, the non-aqueous based wellbore fluid forming a filter cake on the walls of the wellbore; and adding a second component to the wellbore fluid when fluid losses are registered during drilling, whereby the first and second components react to form a chemical sealing layer in the filter cake is disclosed.

Abstract: An expansive additive composition for use in Portland cements and a method of using such an additive composition is provided. The additive composition can include a calcium aluminate cement additive and a lithium compound. The additive composition is capable of producing expansion in set cements when the temperature is at or below room temperature and minimizes the amount of calcium aluminate cement additive needed.

Abstract: Fluid flow control valve, the valve comprising a valve housing (10) provided with a flow channel (12), which in direction from the inlet section to the outlet section, comprises a substantially conical inlet (13), a valve seat (14), and a diffuser (15) at the outlet section, which transfers into a flow channel (16). A needle-shaped spindle (11) is arranged axially movable within the flow channel (12) and exhibits a largest diameter DN. The inlet (13) exhibits a first conical inlet section (13?) having an angle ?1 of 15° with the longitudinal axis of the flow channel (12), and a second inlet section (13?) with a radius of curvature R2 equal to 5.7 times the diameter DN of the spindle (11). The diffuser (15) is conical having an increasing cross-section in the flow direction by an angle ?2 of 30° with the longitudinal axis in the flow channel (12). The design of the valve produces minimum erosion at the inlet section, and minimum cavitation and erosion in the diffuser section (15).