Abstract: Fluid transfer device and method that allows for sterile wet connections, allows the connection to be reversed, and allows the connection to be reconnected, while leaving the connectors sterile and reusable under pressure. In certain embodiments, the device includes a first member and a second member, the latter adapted to receive the former in locking engagement upon actuation of the device to create fluid communication between the two in a sterile manner. Each of the members include a door that when opened, allows the first member to be linearly displaced into the second member to allow fluid to be transferred. When fluid transfer is complete, the first member can be retracted from the second member, and the doors closed.

Abstract: An embodiment includes a gate valve comprising: a valve body including a cavity coupled to a channel having proximal and distal portions; a gate to seal and unseal the channel; proximal and distal seats adjacent the gate; wherein (a) the proximal seat traverses towards the gate and stops at a first position when the gate is closing and the proximal channel portion is more highly pressurized than the cavity, and (b) the distal seat slides away from the gate and stops at a second position when the gate is closing and the cavity is more heavily pressurized than the distal channel portion. Other embodiments are described herein.

Abstract: A fluid injection valve comprising: a valve body including a first end having a first opening, a second end having a second opening, an outer surface and an inner surface defining a fluid pathway extending between the first end and the second end; a seat arranged along the fluid pathway; a restriction device selectively abutting the seat; a biasing member arranged in the fluid pathway abutting the restriction device; urging the restriction device against the seat; a biasing element having a biasing force urging the biasing member against the restriction device; and a magnet functionally connected to the biasing element, the magnet selectively forcing the biasing member axially outwardly of the restriction device against the biasing force.

Abstract: A monolithic bypass includes an upstream conduit, the upstream conduit defining a first end and a second end, the upstream conduit defining an upstream bore extending from the first end to the second end, the first end defining an inlet opening to the upstream bore; a downstream conduit, the downstream conduit defining a first end and a second end, the downstream conduit defining a downstream bore extending from the first end to the second end, the first end defining an outlet opening to the downstream bore; and a bypass valve body seamlessly connected to the second end of the upstream conduit and the second end of the downstream conduit, the bypass valve body defining a bypass body bore, the upstream bore, the downstream bore, and the bypass body bore defining a seamless bypass bore extending from the inlet opening to the outlet opening; wherein the monolithic bypass is substantially U-shaped.

Abstract: Disclosed in the present invention is a double-spring and high-precision hysteretic pressure control valve, including an upper valve body, a lower valve body, a double-spring pressure adjustment valve, a spring energy storage linkage mechanism, and a main valve. The double-spring pressure adjustment valve includes a rough adjustment stud, a rough adjustment spring, a fine adjustment stud, a fine adjustment spring, a spring guide sleeve, and a pressure adjustment valve spool. The spring energy storage linkage mechanism includes a guide block, a valve spool control linkage, a tension spring, and a tension spring shift lever and a tension spring sliding hook. The valve spool control linkage is connected to the guide block at one end, and connected to a main valve spool drive rod via a pin at the other end.

Abstract: An apparatus for locking a sealing member of a valve in a piping system or an enclosed system comprises: (a) a locking mechanism housing having a upper end, a lower end opposed to the upper end, and a body between the upper end and the lower end; (b) at least a locking mechanism opening formed on the body; (c) at least a locking mechanism disposed in the locking mechanism opening; wherein the valve further comprises a valve housing and a sealing member; wherein the locking mechanism housing, the at least a locking mechanism opening, at least a locking mechanism, and the sealing member is disposed inside the valve housing; wherein a pressure P1 exists in the upper end of the locking mechanism housing; and wherein a pressure P2 exists in the lower end of the locking mechanism housing.

Abstract: A hose bib handle replacement comprises a handle portion and an adapter. The adapter has a wall defining an open interior sized to receive a portion of a hose bib. The handle portion is attached or attachable to the top surface of the adapter and has a radial dimension larger than the adapter. The adapter comprises a clamping mechanism adapted to clamp onto the portion of the hose bib in the interior, wherein the clamping mechanism can clamp onto different size and shape portions of the hose bib. In one version, the clamping mechanism comprises a plurality of set screws and wherein the set screws have a length where they can clamp different size and shape portions of the hose bib and when clamped do not extend outwardly beyond the wall of the adapter more than about 0.25 inches.

Abstract: A fire sprinkler emergency drain apparatus for conveying liquid from an open or leaking sprinkler head or leaking portion of a fire extinguishing system that includes a shallow mouth collection ring and drain line assembly having a collection ring of a size to surround a fire sprinkler head or a recessed opening in which a fire sprinkler head is positioned and a flexible drain line connected to the collection ring to convey liquid from the sprinkler head to a drain area, the drain line being mounted in a rolled configuration wherein the drain line is flattened in cross sectional configuration adjacent the collection ring and the shallow mouth collection ring and drain line assembly being supported by a handle adapted to be attached to a pole for use in elevating the shallow mouth collection ring and drain line assembly relative to a sprinkler head.

Abstract: An electrohydraulic spool valve, comprising: a spool, axially movable within a manifold; a position feedback system provided at a first end of the spool; and an end cap provided on said first end so as to form a first high pressure reservoir between the end cap and the first end of the spool. The end cap provided on the end of the spool partly defines the high pressure reservoir by containing the high pressure fluid in the vicinity of the spool end.

Abstract: An automated thermally responsive valve with an internal reset function is disclosed. The cartridge latching mechanism can be retracted at a target temperature and manually reset at the target temperature to engage an ejector cap. The reset mechanism of the cartridge automatically returns to a latching configuration upon warming. The cartridge thermal actuator can be configured to retract the latching mechanism at a target temperature near freezing to provide a freeze protection drain valve that is ejected from a sealing element in the ejector cap and allows a fluid system to drain.

Abstract: A control valve includes a casing that has a port in which an outflow opening is formed, a joint that is joined to an opening end surface of an outflow opening in the port, a rotor that is rotatably accommodated inside the casing, a slide ring that has a slide surface for sliding on an outer circumferential surface of the rotor, a sealing ring that is interposed between an inner circumferential surface of the port and an outer circumferential surface of the slide ring, and a holder that is disposed between the inner circumferential surface of the port and the outer circumferential surface of the slide ring and holds the sealing ring from an outer side in a port axial direction with respect to the sealing ring. The holder is disposed to be separated from at least any of the joint and the port.

Abstract: A bypass system for a water heat exchanger is disclosed. The water heat exchanger has a water heat exchanger inlet attached to a feed valve and a water heat exchanger outlet attached to an exit valve. The feed valve and the exit valve are three-way bypass valves attached to a bypass line. When the feed valve and the exit valve are in the flow through position, fluid will flow into and out of the water heat exchanger. When the feed valve and the exit valve are in the bypass position, fluid will not enter nor exit the water heat exchanger, but fluid will flow through the bypass line.

Abstract: Embodiments provide a fitting that is integrated into the valve body of a ball valve during the manufacture of the valve body. The fitting and a cartridge may be overmolded to create the valve body. The mold may apply a pressure onto the fitting during the molding process. The fitting may transfer the pressure of the mold onto the cartridge. The fitting may transfer a sufficient amount of force to seal valve seats of the ball valve.

Abstract: There is provided an assembly for transferring matter between first and second objects separated by a distance, either or both of the first and second objects being movable to increase or decrease the distance therebetween.

Abstract: A gas turbine engine rotor assembly includes a plurality of blades spaced apart from each other for rotation about an axis. Each of the blades includes a platform having an inner surface and an outer surface. Adjacent platforms are separated from each other by a gap. A damper is positioned at an offset position within the gap to contact the inner surfaces of the adjacent platforms.

Abstract: A hand-held dual flow dilution dispenser for precisely controlling the flow rate of water therethrough and for precisely injecting a liquid chemical into the water passing through the apparatus. The dispenser includes a water spool valve and a chemical spool valve with the spool valves being rotated between first and second positions. A handle is operatively connected to the first spool valve for rotating the first spool valve between the first and second positions. A linkage interconnects the handle and the second spool valve whereby rotational movement of the handle simultaneously causes rotation of the first spool valve and the second spool valve.

Abstract: A method for forming a monolithic bypass includes pouring a molten metal into a monolithic bypass mold cavity of a mold, the monolithic bypass mold cavity shaped complimentary to a shape of the monolithic bypass; forming the monolithic bypass, the monolithic bypass comprising a bypass valve body disposed between an upstream conduit and a downstream conduit, an inlet opening defined by the upstream conduit, an outlet opening defined by the downstream conduit, a bypass bore extending through the upstream conduit, the bypass valve body, and the downstream conduit from the inlet opening to the outlet opening, the inlet opening and the outlet opening configured to attach to a primary valve body, the monolithic bypass defining a U-shape, the monolithic bypass and the bypass bore each being seamless; and removing the monolithic bypass from the mold.

Abstract: A channel forming member is attached to a filler neck on a nozzle insertion side where a fueling nozzle is to be inserted. The channel forming member includes a barrier section that forms an insertion flow path section for the fueling nozzle in the fuel flow path on the nozzle insertion side, while forming an annular channel surrounding the insertion flow path section so as to separate the channel from the insertion flow path section. The channel forming member further includes the following provided to the barrier section: an atmosphere communication hole for making the channel communicate with the atmosphere; a flow path communication hole for making the channel communicate with an insertion end flow path section downstream from the insertion flow path section; and a valve mechanism that prevents passage of the atmosphere through the channel in a fueling period. This contributes to reduction in introduction of the atmosphere into the fuel flow path through the channel in a fueling period.

Abstract: A regulating valve includes a valve body having a cylindrical portion, a valve stem, and a locking member. The valve body includes a female screw formed on the inner wall of the cylindrical portion and at least one chamfered portion formed on the outer wall of the cylindrical portion. The valve stem includes a first male screw and a second male screw formed on the surface close to the other end of the valve stem. The locking member includes a nut corresponding to the second male screw and a tongue portion formed integrally with the nut, extends in a direction orthogonal to an axial line S from one end portion of the nut, and is bendable in the direction parallel to the axial line.

Abstract: A valve assembly includes a valve body having at least a first bore and a second bore, a flow passage connecting the first bore to the second bore, a plurality of ports opening to each bore respectively, the first bore being upstream of the second bore. First and second spools are disposed in the first and second bores, respectively, for controlling the flow of fluid to and from the respective ports. A check valve is disposed in the flow passage and configured to prevent fluid flow from the second spool towards the first spool through the flow passage while allowing fluid flow from one of the ports in the first bore towards the second spool through the flow passage.