1304results about "Joints with fluid cut-off means" patented technology

A hemostatic valve couples to a sheath proximal hub having an inside and an outside surface. The hemostatic valve has a valve body having a proximal porting and end, and a distal portion and end. A passageway extends longitudinally through the valve body between the proximal and distal ends. A sealing element is positioned within the passageway. The distal portion of the valve body includes a pair of contact surfaces forming an annular gap receiving the sheath proximal hub of the sheath so that the contact surfaces sandwich the sheath proximal hub forming a seal on both the inside and outside surfaces of the hub. The valve body and the sheath proximal hub includes two oppositely placed longitudinal lines of fissure that allow the hub to be separated into two halves with the valve body.

Injection port valves are generally discussed herein and more particularly to port valves that have a valve housing with a nozzle having an inlet opening, a body section, a skirt section, an interior cavity, and a valve seat at an intersection of the first nozzle and the body section in the interior cavity. A piston may be positioned within the interior cavity of the valve housing having a body section having an exterior surface, an upper piston section, a seal surface, and a piston cavity, and wherein the body section includes a wall layer that emits lubricant from within the wall layer to the exterior surface. A nut, which may be a Luer nut, having a flow passage in communication with a discharge nozzle having a discharge lumen may be attached to an end of the skirt section of the valve housing to thereafter connect to an infusion line. A spring can be positioned within the piston cavity and abutting against the nut, wherein when used, the spring being in a first position when the seal surface of the piston is abutted against the valve seat of the valve housing, and the spring being in a second position when the seal surface of the piston is separated from the valve seat.

The present invention is directed to a fuel cell supply for a fuel cell having an outer casing, a liner member containing methanol, and a valve component comprising a valve body member and a slidable body member disposed inside the valve body member. The slidable body member is normally biased toward a valve seat surface to seal the valve component and the slidable body member can be moved away from the valve seat surface to open the valve component. The liner member, the valve body member and the slidable body member are made from at least two different materials and wherein at least one of the members compatible with methanol. Hence, each component can be selected from material(s) that is substantially optimal for its function in the fuel supply.

A valve for connecting a fluid sampling device to a fluid source is provided that includes a body adapted to be secured to the fluid source and a valve member moveably disposed within the body. The body includes a coupling interface configured to sealingly mate with the sampling device. The valve member is actuated by the sampling device during attachment of the sampling device to the valve body. The sampling device actuated valve member is moveable between a first position in which a flow path between the fluid source and the sampling device is closed and a second position in which the flow path between the fluid source and the sampling device is open. When the fluid flow path is open, the sampling device can withdraw a fluid sample for inspection and return the fluid sample to the fluid source without exposing the fluid to the surrounding environment.

A single-service package coupling and valve includes a fitment having a spout and a sliding tubular valve member mounted therein for receiving a cooperating dispensing connector of a liquid distributing and dispensing system, and an external adapter ring designed to cooperate with the mounting mechanisms of a plurality of conventional commercially available dispensing connectors. An internal adapter sleeve is mounted with in the sliding tubular valve member to provide a tight seal with any of the conventional dispensing connectors.

A breakaway coupling for a fuel supply hose includes a male valve body interfitting with a female valve body for defining a fuel passage, and the valve bodies enclose axially movable spring biased poppet valve members. The valve bodies are connected by a permanent magnetic coupling system which provides for moving the valve bodies from a connected position to a disconnected position in response to a substantial axial tension force on the valve bodies. In one embodiment, the coupling system includes an annular strike member surrounding the fuel passage and a mating annular magnet member supporting a plurality of circumferentially spaced permanent magnets of rare earth materials. In another embodiment, the valve bodies define a vapor return passage with a poppet valve member and disposed either radially outboard or inboard of the fuel passage. The magnetic coupling system also simplifies reconnecting the valve bodies.

A tubular medical fluid flow set comprises a pressure sensing chamber connected in flow-through relation to fluid flow tubing of the set. The pressure sensing chamber defines a movable, flexible, impermeable diaphragm dividing the chamber into two separate compartments. The fluid flow tubing communicates with one of the compartments and is isolated from the other of the compartments. A port is carried on the chamber, the port having a seal therein, and communicating with the other of the compartments. Thus, the other of the compartments is hermetically sealed until the port is opened for connection with a pressure measuring device, to keep the flexible diaphragm in a desired, initial position prior to opening of the seal.

A valve assembly used to minimize chemical loss during the transfer of chemicals from one container to another is disclosed herein. The valve assembly minimizes chlorine or other process material loss to the environment by sealing the manifold and the cylinder to be filled from the environment while the valve assembly is connected or disconnected. The valve assembly includes an inlet valve connectable to an outlet valve, the inlet valve comprising a first plug positioned in a bore extending between an inlet and outlet port and a transfer tube engaging a bore of a first insert positionable within the bore of the inlet valve. The outlet valve comprises a second plug positioned in a bore extending between an inlet and outlet port and a second insert positionable within the bore of the outlet valve. The transfer tube has a first and second end configured to be insertable at least partially within respective bores of the first and second inserts, the first and second ends each having at least one port. A bore extends through the transfer tube to allow fluid communication between the first and second ends.

A valve assembly used to minimize chemical loss during the transfer of chemicals from one container to another is disclosed herein. The valve assembly minimizes chlorine or other process material loss to the environment by sealing the manifold and the cylinder to be filled from the environment while the valve assembly is connected or disconnected. The valve assembly includes an inlet valve connectable to an outlet valve, the inlet valve comprising a first plug positioned in a bore extending between an inlet and outlet port and a transfer tube engaging a bore of a first insert positionable within the bore of the inlet valve. The outlet valve comprises a second plug positioned in a bore extending between an inlet and outlet port and second insert positionable within the bore of the outlet valve. The transfer tube has a first and second end configured to be insertable at least partially within respective bores of the first and second inserts, the first and second ends each having at least one port. A bore extends through the transfer tube to allow fluid communication between the first and second ends.

A container insert having at least two primary pieces, wherein one of the pieces includes keying features that may be replaceable with other pieces having different keying features. A related single piece container insert includes multiple keying features formed on the interior and exterior surfaces of the container insert. A related coupling assembly includes a venting system that vents a fluid into the container after a valve in the coupling assembly, which is positioned in the container contents flow path, has been opened.

A unit for constructing a robot with units, wherein a joint unit comprises joint means and is organized in a joint casing having a surface profile of a dice-like cube, or a uniaxial cylindrical body, or an orthogonal dual-axis cylinder-like cubic with a uniform joint means separation distance. The joint means comprises N positioning projections disposed about the center axis thereof at equal intervals and equal angles and N connecting screw holes respectively disposed at positions rotated from these projections by 360° / 2N about the center axis thereof. Also, a zero-degree joint power transmission unit converts and transmits the rotations of the joint unit rotated, by itself, relative to an input joint fixed shaft fixed to the joint casing, to the rotations of an output rotating shaft disposed a joint unit separation distance away thereform.

A coupling assembly includes a female unit and a male unit which is removably connected with the female unit. A valve unit is located in the female unit and includes a core with two flexible disks on two ends thereof. A flange extends radially outward from a lower end of the core and is rested on a support frame in the female unit. The core extends through a through hole in a lower end of sleeve in the female unit. A plurality of paths are defined through the lower end of the sleeve so that by shifting the core to let either of two flexible disks to seal the paths in one direction, the direction of fluid flow can be controlled. The movement of the core is made by moving the sleeve.

The present invention is directed to a fuel cell supply for a fuel cell having an outer casing, a liner member containing methanol, and a valve component comprising a valve body member and a slidable body member disposed inside the valve body member. The slidable body member is normally biased toward a valve seat surface to seal the valve component and the slidable body member can be moved away from the valve seat surface to open the valve component. The liner member, the valve body member and the slidable body member are made from at least two different materials and wherein at least one of the members compatible with methanol. Hence, each component can be selected from material(s) that is substantially optimal for its function in the fuel supply.

An undersea hydraulic coupling having a radial pressure-energized seal with a dovetail interfit is disclosed. The seal has a pair of flexible sealing surfaces for sealing with the male and female coupling members, and a cavity therebetween that is exposed to fluid pressure in the coupling. The outer circumference of the seal has a dovetail interfit between inclined shoulders in the female member bore and on a seal retainer that holds the seal in the bore.

A tubular medical fluid flow set comprises a pressure sensing chamber connected in flow-through relation to fluid flow tubing of the set. The pressure sensing chamber defines a movable, flexible, impermeable diaphragm dividing the chamber into two separate compartments. The fluid flow tubing communicates with one of the compartments and is isolated from the other of the compartments. A port is carried on the chamber, the port having a seal therein, and communicating with the other of the compartments. Thus, the other of the compartments is hermetically sealed until the port is opened for connection with a pressure measuring device, to keep the flexible diaphragm in a desired, initial position prior to opening of the seal.

There is provided a tapered coupling structure in which a tapered shaft can be coupled to and decoupled from a hub without the use of an O-ring. In a tapered coupling structure 10 in which a tapered shaft 20 and a hub 30 are coupled to each other, the tapered shaft 20 is provided with a taper part 21 on the side of being coupled to the hub 30, and the hub 30 is provided with a high-rigidity part 32 having a thickness in the radial direction larger than that of other regions and having a high rigidity in the radial direction. An oil groove 24 formed in the outer peripheral surface of the taper part 21 to feed oil to the coupling surfaces of the taper part 21 and the hub 3 is provided in a region corresponding to the high-rigidity part 32 in the axial direction.

A connector system for medical fluid includes a male connector and a female connector that have a closed configuration when detached from one another. The first end of the male connector is configured to mate with a first end of the female connector. When the male connector is coupled with the female connector, complementary structures engage to move seals away from ports in the male connector and the female connector, opening a fluid pathway through the connectors. The mating ends of the connectors are not exposed to the medical fluid when the connectors are coupled so that when the connectors are disconnected, the mating ends are substantially free of residual medical fluid.

The present disclosure generally relates to improved water closet flanges and methods for installing such water closet flanges. In one exemplary embodiment, an improved water closet flange apparatus includes a flexible conduit portion (i.e. sleeve) and an integral membrane element sealing the top opening of the flexible sleeve. The membrane element is made of flexible materials such that the membrane element may be removed without breaking into pieces. In one embodiment, the integral membrane element includes indented portions to facilitate its removal. In another embodiment, the flange apparatus includes an outer flange connected to the flexible sleeve. Related methods for installing the disclosed flange apparatus between plumbing fixture discharges and waste drainpipes are also described.

A breakaway coupler for coupling upstream and downstream hose includes one or more locking balls carried by a downstream coupling member. An upstream flapper is pivotally secured with respect to an upstream housing. A pushrod is axially movable in response to engagement by the downstream coupling member. A pry recess on the downstream coupling member is spaced between the downstream housing g and the upstream housing, such that a tool inserted into the pry recess is leverageable to move the downstream coupling member to unlock the breakaway coupler.

A fluid conduit connector apparatus that the approximates pneumatic characteristics of a removed pneumatic system component when a fluid conduit is removed from a pneumatic system. The fluid conduit connector apparatus includes a port portion having a valve disposed therein. The valve closes to provide a reduced fluid orifice when a fluid conduit is removed from the port. The reduced fluid orifice is configured to provides pneumatic characteristics of the device being disconnected to facilitate uninterrupted operation of a timed pressure source having pneumatic sensing capability.

An undersea hydraulic coupling having a stepped internal bore dimensioned to increase the flow rate through the coupling is disclosed. The coupling allows an increased flow rate without increasing the size or weight of the coupling, by positioning the poppet valve in the body section, rather than in the probe section, of the male coupling member.