Abstract: A medical device includes a connector portion. The connector portion includes an inner cylinder connectable to another medical device having an elastic valve, a valve body against which the elastic valve is pressed from a distal end side due to connection of the inner cylinder and another medical device, and an outer cylinder disposed radially outside the inner cylinder, and the connector portion is configured to provide fluid communication between the connector portion and another medical device by moving the inner cylinder in an axial direction with respect to the outer cylinder in a state where the inner cylinder is connected with another medical device. The connector portion further includes an anchor that suppresses movement of the valve body with respect to the inner cylinder toward a proximal end.

Abstract: Some embodiments disclosed herein relate to medical connectors with a housing comprising a proximal body member and a base member that form an internal cavity with a proximal abutment surface. A seal member and a rigid, hollow elongated portion are located within the internal cavity such that a proximal tip of the elongated member extends proximally within the internal cavity further than the abutment surface.

Abstract: A valve collar for use with a fluid actuated downhole tool includes a mandrel having one or more valve cylinders formed in the wall thereof, the valve cylinders formed at an angle to the mandrel. The valve cylinders may be connected to each other, to the interior of the mandrel, and to the fluid actuated downhole tool through end holes, slant shell holes, and radial holes. Each valve cylinder may include a valve assembly inserted thereinto.

Abstract: An apparatus, system, and method are disclosed for optimizing a valve orifice shape. According to one representative embodiment, a method includes determining a specified relationship between a valve position and an output characteristic, and determining an orifice profile. The method also includes determining a relationship of an orifice area to the output characteristic. Further, the method includes shaping an orifice in a valve based on the orifice profile and the specified relationship between the valve position and the output characteristic. According to the method, the valve should approximately exhibit the specified relationship.

Abstract: A closing device, particularly for closing channels conducting pressure medium in a valve receiving body, has a rotationally symmetrical closing element (6) that is fastened in a seating bore (1) of a housing (14), having a calking site (2) that is provided on the circumference of the closing element (6) and that permanently fixes the closing element (6) in the housing (14) as a result of the plastic displacement of housing material. The seating bore (1) includes a transition area in the form of a bore step (4) between the calking site (2) and a centering cone surface (3). The bore step is recessed into the seating bore (1) by the plastic displacement of the housing material in the form of a bulge surrounding the closing element (6).

Abstract: An apparatus such as for a solenoid valve assembly includes a substantially annular flux collector (12) that has a first arced portion (10) and at least one additional arced portion (14). The first arced portion and the at least one additional arced portion are cooperatively configured to interlock with one another to form the substantially annular flux collector. A method (200) of manufacturing a solenoid valve assembly using the annular flux collector is also provided.

Abstract: An improved membrane valve and method for manufacturing such membrane valve. The improved membrane valve can be used for transferring fluids or gases in hermetic or semi-hermetic compressors, including a method and system for manufacturing a membrane valve and a membrane valve with applications for use in several motors, particularly in hermetic or semi-hermetic compressors which use, as a refrigeration fluid, an appropriate type of gas thus promoting the refrigeration physical affect. A body and a membrane of the membrane valve are produced from substantially thin metallic plates separately in accordance to an available process and can be subjected to rounding in order to eliminate live corners, and then juxtaposed thus composing the valve, with the above mentioned membrane on one side, fitted to the body which is fixed through a connection process and, on the other side, left free to oscillate.

Abstract: Provided is a control valve for a variable capacity compressor, the control valve including: a valve body including a crank-chamber port, a discharge port, a suction port, a control channel formed inside the control valve such that the crank-chamber port and the discharge port communicate with each other, and a first bleeding channel formed such that the crank-channel port and the suction port communicate with each other; an operating unit provided in the valve body and including a second bleeding channel communicated from a center area to a side surface of the operating unit; and a driving unit provided in the valve body and connected to the operating unit to enable the operating unit to reciprocally move according to a current applied by an external source.

Abstract: A method and apparatus for the singulation of valve plates and/or assembled valves from a lead-frame are described. The method and apparatus utilizes an electric current to fuse tabs which join the valve plate and/or the assembled valve to the lead-frame. The valve comprises a first and second valve plate with offsetting apertures and a flap disposed and movable between the first and second plates.

Abstract: Seal ring assemblies for use with rotary valves and methods to manufacture the same are disclosed. A seal ring assembly is described that includes a ring-shaped seal to be fixed within the rotary valve, where the seal enables the sealing engagement of a control member with a flow control aperture. The seal is compressed between a first seal clamp and a second seal clamp by a compressive force maintained by a plurality of fasteners extending through the seal and fixed to the first and second seal clamps.

Abstract: A seat ring for a control valve has a valve body defining an inlet, an outlet, and a gallery. The seat ring includes an annular body and a flow separator. The annular body is adapted to he disposed in the gallery of the valve body and includes an interior sidewall defining a port for accommodating fluid flow through the gallery. The flow separator is disposed within the port and includes a flow straightening portion defining a plurality of separate passageways. Each of the plurality of separate passageways has a hydraulic diameter and a length that is larger than the hydraulic diameter. As such, the passageways separate the flow of fluid through the port into a plurality of separate flow paths to interrupt turbulence adjacent to the port.

Abstract: An apparatus comprises a tubular body having a lumen and a distal region, a plurality of ports at the distal region of the tubular body, and a plurality of independently gatable microvalves disposed at the plurality of ports. A port extends from internal to the lumen to outside the tubular body, and a gatable microvalve is controllable by a stimulus to provide and prevent fluidic transfer through the ports.

Abstract: A body for an actuated valve, the actuated valve comprising flow regulating means for regulating the flow of a fluid between an input bore and an output bore of a barrel, and actuating means for controlling a position of the flow regulating means, the body comprising: a barrel having at least the input bore and the output bore; an actuating volume inside of which at least part of the actuating means can be placed, wherein the barrel and the actuating volume are integrally formed in a single piece.

Abstract: A check valve includes a housing, a bore, and a liftably movable valve body which is spring-loaded at least after a small axial travel of the valve body and tightly contacts a valve seat. The bore is constructed as a stepped bore, the bore section of smaller diameter having the valve seat, and the bore section of larger diameter receiving the liftably movable valve member. A ball which is held captive by a holding element arranged in the bore is provided as valve body. The valve seat has a contour corresponding to the valve body in the area of the contact surface of the valve body.

Abstract: A lead-free valve of faucet and process of manufacturing same is provided. The faucet includes a valve comprising a stainless steel sleeve including a rim; a stainless steel cartridge including a stepped-diameter opening with the rim seated thereon, two opposite peripheral ports, and a soldered joint for joining the sleeve, the rim, and the cartridge together; a stainless steel stem secured to a handle and co-rotated therewith, the stem including a bottom tab; a plastic disc first retaining member including a slit; a ceramic oval second retaining member including two opposite cavities and a slot aligned with the slit, and the tab inserted through the slit into the slot to join the stem, the first retaining member, and the second retaining member together; a ceramic disc abutting member including two opposite, spaced through holes; and a plastic seat for urging the abutting member against the second retaining member.

Abstract: A valve insert for a valve cartridge of a solenoid valve, wherein the valve insert is produced as a one-piece, slotted sleeve from a sheet metal strip and has at least one radial bore as an inlet and/or drain opening of a fluid flow and to a corresponding valve cartridge or to a solenoid valve having such a valve insert and to a method for producing a valve insert. The at least one radial bore is designed having a trumpet-shaped geometry in order to specifically influence the flow characteristics of the fluid flow.

Abstract: The method for manufacturing a solid housing, in particular a valve housing for an electromagnetically operable valve, is characterized in that the following method steps are used: a) providing a sheet metal strip made of a magnetic or magnetizable material, b) introducing an additive into a middle area of the sheet metal strip and fusing there for forming a non-magnetizable structure, c) cutting the sheet metal strip into a sheet metal piece of desired width, d) deforming the sheet metal piece into a sleeve shape, e) mutual fastening of the cut edges now facing each other and running in the longitudinal direction of the sleeve for forming a sleeve blank, f) final machining of the sleeve blank until a desired geometry of the housing is achieved. The housing is suitable in particular for use in fuel injectors in fuel injector systems of mixture-compressing spark-ignition internal combustion engines.

Abstract: Methods of manufacturing septa for use with vascular access devices include forming a septum body and forming a slit within the septum body.

Abstract: A valve flap device for an exhaust system of a motor vehicle, having at least one tubular valve housing with a flow cross section running perpendicular to a central axis and being formed by the inner geometry and a shaft which can turn about a valve axis with a valve flap mounted on the shaft, being mounted in the valve housing to close the flow cross section. The valve flap device can be made with low material input and at the same time with low fabrication expense at low costs. For this, the valve housing is made from a tubular blank of sheet metal with a tube diameter that is calibrated to the flow cross section at least partially by mechanical, plastic forming.

Abstract: A method and apparatus for the singulation of valve plates and/or assembled valves from a lead-frame are described. The method and apparatus utilizes an electric current to fuse tabs which join the valve plate and/or the assembled valve to the lead-frame. The valve comprises a first and second valve plate with offsetting apertures and a flap disposed and movable between the first and second plates.

Abstract: A proportional actuator valve (110) adapted for position control and position adjustment is provided. The proportional actuator valve (110) includes a valve housing (112) having at least two chambers (324, 325). The chambers are separated by one or more sealing members (322). A valve slider (113) is provided that is movable in the valve housing (112). One or more grooves (329) are formed in the valve slider (113). The one or more grooves (329) pneumatically communicate with the two chambers (324, 325) of the valve housing (112). One or more bores (327, 328) are also formed in the valve slider (113). The one or more bores (327, 328) pneumatically communicate with the one or more grooves (329). Movement of the valve slider (113) relative to the valve housing (112) provides a pneumatic valve action.

Abstract: In a method for manufacturing a float valve apparatus including a valve case, an upper lid incorporated into this valve case to form a valve chamber, and a float valve liftably arranged inside the valve chamber, the upper lid being provided with a lead-out pipe connected to piping of the outside, an exhaust hole which communicates with this lead-out pipe and is opened in an inner surface of the upper lid, and a seal cap which is mounted so as to enclose this exhaust hole and forms a valve seat on which the float valve abuts, the seal cap is welded to an inner surface of the upper lid by spin welding.

Abstract: In a method for reducing “blow-out” of annular welds for attaching components in a fuel injector, a relief region is formed on radially-facing surfaces of the components. The relief region is adjacent to a press-fit region. The components are then pressed together, and a weld is made in the relief region. A sealed gap is thereby formed in the relief region between the weld and the press-fit region. The sealed gap provides for the expansion of trapped gases that could otherwise “blow out” the liquid weld bead.

Abstract: The present invention relates to a microvalve having a valve plug, connecting legs, anchors and actuators, allowing the valve plug to move vertically to open or close the valve. The valve plug can contain magnetic materials, and be operated by an actuator.

Abstract: An electromagnetic hydraulic valve (1), which including an electromagnet (2) with an armature (3) and of a valve housing (4) with an axial bore (5) and a piston valve (6) located therein is provided. The valve housing (4) includes several annular grooves (8, 9, 10) in which several radial openings (11, 12, 13) are located, which open into the axial bore (5), through which the hydraulic valve (1) has a fluid connection with a pressure connection (P), a tank connection (T) and two consumer connections (A, B). The piston valve (6) is acted upon by the armature (3) of electromagnet (2) and includes two ring-shaped control sections (14, 15), which connect alternatively the pressure connection (P) and the tank connection (T) with one of the consumer connections (A, B) through axial movement of piston valve (6). According to the invention, the radial openings (11, 12, 13) in valve housing (4) are provided as windows having a rectangular cross section.

Abstract: Methods are provided for forming a valve flowbody. Valve assemblies including the flowbody are also provided. A method includes disposing a first fiber composite fabric piece in a cavity of a first half of an outer mold and placing a foam piece over a portion of the first fiber composite fabric piece. A cylinder is placed in the outer mold first half over the foam piece and the first fiber composite fabric piece, where the cylinder is made of a second fiber composite fabric piece. The first half of the outer mold is assembled with a second half of the outer mold to enclose the cylinder, the foam piece, and the first fiber composite fabric piece therebetween. The assembled outer mold is heated to cure resin impregnated in the first and the second fiber composite fabric pieces to form the valve flowbody.

Abstract: The invention describes a cutting and transport device for material sheets (1) of paper or film, which comprise at least one cutting device (7), which cuts the material sheet traversing in the cutting or the transport device. Inventive step lies in that the cutting and transport device (22) is provided with a sheet reinforcement device (10), which reinforces the material sheet with the reinforcement material (13) at the positions which are later cut by the cutting tool (7).

Abstract: The present invention is directed to a gas supply nozzle plate constructed by laminating a plurality of metal members each having a fluid path and branch. A fluid nozzle plate member provided by the invention has high sealing at a joined part, and high reliability even when used in high vacuum or at a high temperature. The fluid nozzle plate member comprises a plurality of plate-like metal members each having a fluid path and/or a branch. In this case, the plurality of plate-like metal members are laminated, and the laminated surfaces thereof are joined together by press forging.

Abstract: A float operated fuel vapor vent valve has body structure with an annular mounting flange formed of material weldable to a fuel tank and the flange is spin welded to the tank. The float has surfaces thereon which slidably engage corresponding surfaces in the float chamber to prevent relative rotation of the float with respect to the valve body during spin welding. An optional pressure relief valve in the vent outlet also has surfaces slidably engaging the vent passage to prevent relative rotation during spin welding.

Abstract: A main body 110 of a component comprises a projection 120 protruding from an axis thereof in the direction of a normal, a fitting shaft portion 111 to be fitted into an opening 811 of a structure 810, and a mounting plate portion 130 including a bolt inserting hole 131a to mount and fix the main body 110 to the structure 810. The mounting plate portion 130 is formed with a notched groove 132 communicating with the bolt inserting hole 131a. The mounting plate portion 130 is fixed with a tightening bolt 820 which is screwed in the structure 810.

Abstract: An injection nozzle (10), for use in a fuel injector for an internal combustion engine, has an inner valve needle (26) which is engageable with an inner valve seating (24, 58) to control fuel delivery through one or more first nozzle outlets (14), and an outer valve (28) which is engageable with an outer valve seating (24, 70) to control fuel delivery through one or more second outlets (16). The outer valve (28) is provided with a valve bore (36) within which at least a part of the inner valve needle (26) is received. Coupling means (46, 48) are provided for coupling movement of the inner valve needle (26) to the outer valve (28) in circumstances in which the inner valve needle (26) is moved away from the inner valve seating (24, 58) through an amount exceeding a predetermined threshold amount (D). This allows the outer valve (28) to be lifted away from the outer valve seating (24, 70) to provide an increased injection rate.

Abstract: A method of manufacturing a speed ring in a continuous process using a magnetizing fixture and a trimming fixture. An unmagnetized magnetic strip is fed into the trolley of a magnetizing fixture, clamped stretched, and magnetized by a coil. The newly magnetized strip is then cut and fed into a trimming fixture. As the magnetized strip goes through the trimming fixture, it runs over a hall effect sensor which determines where a center of a pair of poles is located. Based on where a pair of poles is located the cutting blade of the trimming fixture is activated and a magnetic strip that can be turned into a speed ring is created.

Abstract: A manufacturing process to make a valve ball includes the following steps: a) prepare a plurality of flat circular metallic plates; b) put the plate one by one into a pair of first molds and is punched into a top hat shaped piece; c) put the top hat shaped pieces individually into a pair of second molds and is punched an opening in the top of the crown and a rectangular indentation in a circumference of the brim; d) put the punched top hat again into a pair of third molds and where is punched into a hemi-spherical shaped piece; e) combine pair by pair of the hemi-spherical shaped pieces together with their rectangular indentations facing each other to form a rectangular retaining through hole, then connected by welding means. So that a qualified valve ball is therefore finished after the conducting of trimming, smoothing and polishing steps.

Abstract: A method for adjusting piezoelectric valve components to create a precise interface between a piezoelectric actuator and a movable valve plunger is provided which includes the steps of conducting a coarse adjustment prior to assembly followed by a fine adjustment after assembly. The method includes measuring a first difference between a valve body and a valve plunger, and compensating for this first measured difference such that surfaces of the valve body and the valve plunger are in a common plane. A second common plane is established between an end surface of an actuator housing and an end of an actuator rod. The step of compensating for the first measured difference can comprise machining the surfaces in the first common plane or using a shim. A second adjustment is conducted by rotating a nut disposed axially with the actuator rod to adjust the axial position of the valve plunger.

Abstract: A prosthetic heart valve is provided that includes a ring structure that incorporates integrally a bearing block, a separate bearing block having two pins for accurate location that seats in a window in the ring structure and that is held in place by a circlip, and a pair of leaflets that are disposed in the passageway of the ring structure. The valve utilizes pyrolytic carbon in the ring structure, separate bearing block and leaflets. The valve has a simple structure, is durable and reliable, and is assembled without flexure or distortion of the ring structure, separate bearing block or leaflets.

Abstract: A method for manufacturing a valve-seat member of a fuel injector having helical grooves in a recess to generate a swirl, a valve-seat surface of the valve-seat member cooperating with a valve-closure member of fuel injector 1 to form a sealing seat, and the recess being used to guide the valve-closure member. The method includes producing a blank of the valve-seat member, introducing the recess, the valve-seat surface) and at least one spray-discharge orifice into the blank of the valve-seat member and introducing the helical grooves into the recess. The introduction of the helical grooves into the recess is carried out by a non-cutting machining step.

Abstract: In a method for manufacturing a float valve apparatus including a valve case, an upper lid incorporated into this valve case to form a valve chamber, and a float valve liftably arranged inside the valve chamber, the upper lid being provided with a lead-out pipe connected to piping of the outside, an exhaust hole which communicates with this lead-out pipe and is opened in an inner surface of the upper lid, and a seal cap which is mounted so as to enclose this exhaust hole and forms a valve seat on which the float valve abuts, the seal cap is welded to an inner surface of the upper lid by spin welding.

Abstract: The present invention is directed to a gas supply nozzle plate constructed by laminating a plurality of metal members each having a fluid path and branch. A fluid nozzle plate member provided by the invention has high sealing at a joined part, and high reliability even when used in high vacuum or at a high temperature. The fluid nozzle plate member comprises a plurality of plate-like metal members each having a fluid path and/or a branch. In this case, the plurality of plate-like metal members are laminated, and the laminated surfaces thereof are joined together by press forging.

Abstract: A method to set a hollow device into an undersea flow pipe uses a flexible pig 5 driven by a flow flowing into the flow pipe to displace a hollow device to a point where a stop halts a displacement of hollow device, thereby setting hollow device into position. A method to retrieve a hollow device from an undersea flow pipe uses a flexible pig driven by a flow flowing into flow pipe to retrieve hollow device from a location where hollow device operates.

Abstract: A spool valve is provided which has a plurality of small-diameter portions formed at predetermined spacings on a peripheral surface of a shaft, and pairs of annular ridges on peripheral surfaces of the small-diameter portions to have a larger diameter than an inner diameter of collars. The collars are closely fitted between the annular ridges to make valve bodies, and the collars include an inner wall, an outer wall and at least one connection therebetween, and an annular gap is provided between the inner wall and the outer wall.

Abstract: A ball valve body manufacturing method is disclosed. The method comprises rolling a continuous metal tube to form a series of connected ball valve body blanks by roller means, punching or milling the blanks to form at least one valve stem fastening slot thereon, rubbing or polishing surfaces of the blanks to form substantially rounded surfaces, and cutting the blanks into a plurality of ball valve bodies each having two opposite openings in communication each other.

Abstract: A fuel injector for an internal combustion engine is provided. The fuel injector includes a housing and an armature/needle assembly reciprocally mounted in the housing. The armature/needle assembly includes an armature having an armature end and a longitudinal armature channel extending therethrough and a needle having a longitudinal needle axis and a first needle end inserted in the armature channel. The first needle end is fixedly connected to the armature end. The assembly also includes at least one flow channel between the armature and the needle. The fuel injector further includes a valve seat located downstream of the needle. The needle is selectively engageable and disengageable with the valve seat to preclude fuel flow through an opening in the valve seat and to allow fuel flow through the opening in the valve seat, respectively. A method of forming the armature/needle assembly is also provided.

Abstract: A method of setting a distance between a first body and a second body in a fuel injector is disclosed. The method includes providing an intermediate body having a first end, a second end and a longitudinal axis, the first end being fixedly connected to the first body and the second end being fixedly connected to the second body. The intermediate body is compressed toward the longitudinal axis. The compression axially elongates the intermediate body, such that the first body is separated from the second body. An apparatus used to set the distance is also disclosed.

Abstract: An element for controlling the fluid flow rate through a fluid valve. The element may include a generally spherical metal housing encasing a cylindrical ceramic insert. The element may also include a cone-shaped metal housing encasing a cylindrical ceramic insert. The cylindrical ceramic insert defines a fluid passageway through the element. The element further includes a coupling mechanism disposed on the metal housing configured for securing a metal actuation shaft to the element. The coupling mechanism provides a high-strength element-to-shaft connection between the metal actuation shaft and a metal portion of the element. The present invention also encompasses a method of manufacturing the element.

Abstract: A method is provided for manufacturing common rails, such as a high-pressure fluid manifold or a block rail that may be use in an accumulator fluid injection system. The method includes providing a main tubular rail with a flow passage extending in an axial direction. A bottomed lower hole is formed generally transverse to the axial flow passage. A pressing force is applied to the bottomed lower hole to generate a residual compressive stress in a circumferential part of the end portion of the bottom hole. The bottom lower hole then is made to communicate with the flow passage in the main rail. Defects that may have been caused by the application of the pressing force then are cut off. The removal of the defects improves an internal pressure fatigue strength, achieves high durability and ensures freedom from leakage.

Abstract: An improved design and process for manufacturing a valve housing for an existing filling machine. The improved design is an annular lip protruding downwardly at the outlet end and flaring outwardly for directing liquid into the container being filled, and a plurality of liquid discharge openings circumscribed by the annular lip at the outlet end for evenly dispersing liquid down and around the lip and against the sides of the container for accumulation therein without foaming. This design replaces existing press-fit tips which are expensive and unwieldy. Moreover, the above-described design facilitates formation of the entire valve housing from a single unitary piece of stainless bar stock, and the present invention encompasses the process for manufacture. This reduces manufacturing costs and eliminates weld lines and the associated risk of bacterial contamination.

Abstract: A fabrication method for an improved structure practical forged one-piece flange-type ball valve that consists of the forging the initial two blanks of the water inlet seat and the ball valve seat for a one-piece flange-type ball valve, based on the blueprints of conventional one-piece flange-type ball valves, with the water inlet seat having a left pipeline connection section already formed inside and the ball valve seat having a ball valve chamber, its contiguous water outlet port, and a right pipeline connection section already formed inside. To facilitate easier finishing, a shallower mating section is formed at the front end of the water inlet seat for contact with the ball valve chamber of the ball valve seat. A left water-tight gasket containment recess is then lathed in the mating section end surface of the water inlet seat and external threads are died along the outer sides of the mating section.