Abstract: The invention relates to a coaxial coupling which comprises a male part (501) and a female part (502) and comprises a bypass valve (218) so that the female part (502) can be decoupled from the male part (501) while pressurized fluid passes through the female part (502). The nipple pipe (105) of the male part (501) pushes a spring-loaded valve (218) in the female part (502) over said rear holes (301) in the inner pipe (2) of the female part. The female part (502) has a rotatable locking sleeve (207), which is coupled to a sleeve (214) accommodating pins (213).

Abstract: A disconnectable connector assembly is provided, including a first fitting having a movable stem therein, the stem being movable from one end toward the other end of the first fitting; a valve releasably attached to the stem, the valve including legs engageable with a lip; a second fitting connected to the first fitting, the second fitting including the lip, the second fitting being in fluid communication with the stem and the first fitting when the stem is in a first position, and wherein fluid flow between the second fitting and the stem and the first fitting is blocked when the stem is in a second position; the first fitting being disconnectable from the second fitting after the stem has been moved and the valve is released from the stem with the legs engaged with the lip when the first and second fittings are disconnected.

Abstract: The present invention provides a connecting piping assembly with limiter, including a first connecting piping and a second connecting piping. The first connecting piping contains a first coupling end, a first assembly portion and a first flow channel. The second connecting piping contains a second coupling end, a second assembly portion and a second flow channel. The first and second assembly portions can be mated and positioned so that the first and second flow channels are interconnected. A locating part is provided with a polygonal through-hole, which can be slidably sleeved on the perimeter of the first and second assembly portions, such that the polygonal through-hole is mated with the perimeter of the first and second assembly portions. The locating part is positioned via a locator.

Abstract: A coupling member is disclosed which includes a valve device that is axially movable between an open position and a closed position where the valve device closes an annular valve opening defined an outer valve seat portion and an inner valve seat portion. The valve device includes an outer annular sealing member and an inner annular sealing member. The inner annular sealing member includes an annular extending portion configured such that, when the valve device approaches the closed position, the annular extending portion sealingly engages the inner valve seat portion and is elastically bent to allow the valve device advance further to the closed position so that the outer annular sealing member positively engages the outer valve seat portion.

Abstract: A nurse vehicle carries a supply of liquid chemicals or fertilizer for being applied by a sprayer vehicle. A fluid transfer conduit of the nurse vehicle has an end defined by a receptacle that is selectively connected to a complementary dimensioned insert defining an end of a fluid intake conduit of the sprayer vehicle. The receptacle and insert define a coupler assembly that includes an inflatable seal that surrounds the insert and locks the insert and receptacle together when inflated. Flow through the coupler assembly is controlled by first and second poppet valves, which are normally closed preventing flow through valve bodies of the receptacle and insert. Selective inflation of the seal and opening and closing of the poppet valves is automatically controlled in accordance with sequencing logic of an electronic controller so the seal is inflated before the valves are opened and remains inflated until the valves are closed.

Abstract: This invention relates to an adaptor used in a fitment valve assembly, said adaptor comprising an outer ring collar having a top and a bottom, and an outer and an inner surface; a flange moulded to the bottom of said outer ring collar; an interior ring collar having a top and a bottom, and an outer and an inner surface moulded in adjacent relationship to said outer ring collar near the top of said interior ring collar; an inverted dome structure moulded toward the bottom of said inner surface of said interior ring collar defining at least one opening for the flow of fluid there-through; a groove for an O-ring moulded in said inner surface of said interior ring collar above said dome structure; a lip moulded onto said bottom of said interior ring collar for forming a seal with said fitment valve assembly; and a groove for an O-ring moulded in said outer surface at the bottom of said interior ring collar.

Abstract: A shut-off valve or connecting valve capable of connecting a fuel supply to a fuel cell is disclosed. The valve comprises a first valve component and a second valve component. Each valve component has an outer housing and a biased slidable member disposed inside the housing forming an internal seal. During the connection process, the two valve components establish an inter-component seal. Afterward, in one suitable embodiment the slidable member moves inward and opens the internal seal in the valve component to establish a flow path. In another embodiment, the slidable member moves inward and exposes a first filler and the first filler abuts a second filler in the other valve component to establish a flow path. In other embodiments, at least one valve component is sized and dimensioned to limit access to the internal seal.

Abstract: A fluid coupler for connecting two hydraulic appliances together without requiring flexible hoses is described. The fluid coupler enables fluid-tight connecting between fixed position components and allows for separating the hydraulic appliances without decoupling the coupler while maintaining fluid-tightness of both appliances after separation.

Abstract: A coupling element including a body for fastening to a support and a coupling member fitted with a closure valve member and mounted in the body such that the member can pivot, a sealing gasket is disposed between the body and the coupling member and the element also includes a spring which exerts a resilient force on a flange portion of the coupling member, which force is directed towards the rear of the coupling element and is suitable for pressing a first surface of the coupling element against a surface of the body, and the coupling member is provided with a second surface for bearing against an axial abutment in the event of the coupling member moves towards a front of the coupling element relative to the body.

Abstract: A disconnectable connector assembly is provided comprising (a) a first polymeric fitting including a first open end, and a second open end; (b) a stem disposed in the first fitting, the stem including an open end and a closed end, a head comprising the closed end, a side wall including one or more apertures and a plurality of circumferential grooves, and a plurality of resilient members circumferentially engaging circumferential grooves in the side wall, wherein the stem is axially movable, from a first position to a second position, in the direction from the first end of the first fitting toward the second end of the first fitting; and, (c) a second polymeric fitting connected to the first fitting, the second fitting including a first end and a second end, the second fitting being in fluid communication with the stem and the first fitting when the stem is in the first position, and wherein fluid flow between the second fitting and the stem and the first fitting is blocked when the stem is in the second posit

Abstract: A socket part actuated without pressure for a fluid coupling is provided with a mechanism for mechanically sealing, to a large extent, the insertion space of a plug against the penetration of foreign matter. In addition, a throttling device is provided, which practically does not obstruct the fluid connection for an inserted plug, while a high flow resistance is produced for a plug that has been pulled out, without, however, completely blocking the flow path. The associated plug also has a sealing device in order to protect the flow channel against the penetration of particles when the plug is removed. In case the plug is connected to a compressed-air tank, this is provided with a throttling device, which practically does not obstruct flow for an inserted plug, but forms considerable flow resistance for a removed plug without completely blocking the flow.

Abstract: A pipe coupling connecting and disconnecting media conducting pipes, hoses or like conduits, which comprise two coupling halves situated at ends of the conduits; and a connector and a socket end having shutoff sleeves in both coupling halves.

Abstract: In the fluid coupling for connecting the fluid passages of a plug (1) and a socket (2), a valve (33), a valve holder (31) and a spring (32) disposed in a compressed state between the valve (33) and the valve holder (31) are accommodated inside each of the plug (1) and the socket (2) to be connected to each other the plug (1) is inserted into the socket (2), the valve (33) of the plug (1) and the valve (33) of the socket (2) make contact with each other so that the valves (33) are retracted resisting an urging force of the spring (32). This fluid coupling further includes conical members (32, 51) which form a conical external shape along a line connecting the outside diameter portion of the valve (33) and the outside diameter portion of the valve holder (31) when the valve (33) of the plug (1) and the valve (33) of the socket (2) make contact with each other, so that the springs (32) are compressed between the valve (33) and the valve holder (31).

Abstract: A sterile connector assembly for mounting on a fluid system includes a first connector and a second connector. The first connector includes a stem defining a fluid passage therethrough, a first housing surrounding the stem and defining a first aperture, and a first valve disposed over the first aperture. The second connector includes a second housing configured to matingly engage the first housing. The second housing defines a second aperture and defines a seal structure. The seal structure is configured to engage the stem. The second connector also includes a second valve disposed over the second aperture. The second valve is configured to engage the first valve when the first housing engages the second housing.

Abstract: A five-port switch valve includes a cylinder having five chambers defined by four partitions, and two actuators. The valve body of one actuator alternately opens and closes a hole formed in the partition and a hole formed in the partition. The valve body of the other actuator alternately opens and closes a hole formed in the partition and a hole formed in the partition. By virtue of this structure, brine fed into the central chamber through a port is alternately fed into two pressure converters through ports.

Abstract: A sealing element including a tube-shaped body of metallic material and first and second male sealing members arranged at a respective end of the body. At least two intermediate members are arranged in series in the body between the first and second male sealing members. Each one of the intermediate members is compressible so as to be capable to store elastic energy when the body is subjected to axial compression and includes a protuberance arranged in the body and extending around the center axis of the body. A coupling device provided with such a sealing element.

Abstract: A female coupling for receiving a male coupling element and including a female element and a body delimiting a receiving zone. The female element includes a passage having a reduced opening that is closed by a valve and a cylindrical bore for receiving a male connection element. The female element is connected to the body by a nut and a ring member that engage one another in a manner to permit radial displacement of the female element to the body in order to facilitate the alignment of an elongated axis of the male element with an elongated axis along the passage of the female element as the male element is inserted within the cylindrical bore of the female element.

Abstract: At least one coupling member (2) has a slide valve holder (42) that is pushed in by the other coupling member (3) when coupled to the coupling member (2). The coupling member (2) further has a rotary valve (41) rotatably supported by the slide valve holder. The slide valve holder has a through-hole (425) constituting a flow path. A valve seat (26) is provided around the through-hole. The rotary valve (41) has an outer peripheral surface portion that slidingly engages the valve seat. One end of a fluid passage (411) extending through the rotary valve is open on the outer peripheral surface portion. The rotary valve is displaceable toward the valve seat and is urged toward the valve seat by a spring member (64). Thus, the outer peripheral surface portion is pressed against the valve seat. When a fluid pressure acts in the coupling member (2) when the coupling members (2, 3) are not coupled to each other, the fluid pressure presses the rotary valve toward the valve seat.

Abstract: A pipe coupling member has a tubular body (20) and a valve unit (22) slidably set in the through-hole of the tubular body. The valve unit has a valve holder (26) and a rotary valve member (30) supported by the valve holder so as to be rotatable about a pivot axis perpendicular to the axis of the through-hole. The valve holder comprises a valve seat portion (26-1) and a valve support portion (26-2) that are separately disposed in series in the axial direction or the direction of the axis of the though hole. The valve support portion rotatably supports the rotary valve member. When the valve holder moves axially in the through-hole, the rotary valve member is rotated by a cam mechanism (32) and displaced between a closed rotational position and an open rotational position while its spherical outer peripheral surface sliding relative to an annular valve seat of the valve seat portion.

Abstract: Provided herein are couplings useful in the transfer of liquid fuels from a remote storage reservoir to an on-board fuel tank of a motorized vehicle. There is provided a first coupling which is configured to be in fluid communication with the interior of a vehicle's fuel tank, and a second coupling which is intended to be in fluid communication with the contents of a remote fuel storage reservoir. The disclosure also includes a process for charging a fuel reservoir on board of a motorized vehicle from a remote reservoir, wherein the vapor in the fuel reservoir is displaced by an equal volume of fuel delivered from said remote reservoir, and wherein the vapor in said fuel reservoir is simultaneously caused to be transferred to said remote reservoir, thus permitting no escape of the vapor from said fuel reservoir to the surrounding atmosphere.

Abstract: A fuel cartridge coupler to couple a cartridge body storing fuel to a fuel cell system, the fuel cartridge coupler including: a first coupling member arranged in the cartridge body; a second coupling member assembled with the first coupling member in the fuel cell system; a first nozzle assembly including a first fluid path to discharge fuel stored in the cartridge body, the fuel cartridge being elastically supported by the first coupling member and biased by the second coupling member to open and close the first fluid path; and a second nozzle assembly including a second fluid path to inject the fuel passing through the first fluid path into the fuel cell system, the second nozzle assembly being elastically supported by the second coupling member and biased by the first nozzle assembly to open and close the second fluid path.

Abstract: A coupler including a nozzle and a socket. The nozzle includes a nozzle body, a movable pin, and a first supporting member. The movable pin is made retractably movable in the axial direction in a nose portion to open and close the channel inside the nozzle. The socket includes a housing, a collar, a ring-like packing, a valve stem, a valve head, and a second supporting member. The valve stem is made retractably movable in the socket in the axial direction to open and close the channel inside the socket. All portions or components which contact liquid fuel in the coupler are formed solely of rubber and/or plastics.

Abstract: The present invention relates to safety mechanisms for high-pressure fluid delivery systems. Particularly, the invention relates to a breakaway device which prevents uncontrolled “whipping” of the conduit ends upon a rupture. A heat dissipating coupling, permitting operation of the conduit system at desired temperatures, is also included, as is a breakaway device provided with such a heat dissipation feature.

Abstract: The rigid coupling device includes a closure valve extended by a retractable sliding stop member of general tubular shape made from elastically deformable material, having at least one outward radial projection forming a stop against a corresponding inward radial projection of a movable interior body that contains the valve. The stop member has an open end opposite the opening of the cylindrical cavity of one end connecting to the conduit. Simultaneous withdrawal of the interior body and of the valve into the interior body has the effect of causing this open end to contract, forcibly inserting it into the cylindrical cavity of the connecting end in such a manner as to overcome the stop.

Abstract: A fuel cartridge 5 for a fuel cell includes a cartridge body 8 containing liquid fuel for the fuel cell, and a nozzle part 9 supplying the liquid fuel to a fuel cell body. The nozzle part 9 has a nozzle head 12 provided on the cartridge body 8 and an insertion portion 14 which is inserted in a socket part 6 of the fuel cell body, and a valve mechanism (19, 20, 21, 22) arranged in the nozzle head 12. A recess portion 15 is provided in a tip of the insertion portion 14 of the nozzle head 12. Liquid fuel remaining on the tip of the nozzle part 9 is accommodated in the recess portion 15.

Abstract: A thread to connect coupling comprising a female coupling half and a male coupling half is disclosed and claimed wherein the male coupling half includes a recess in the exterior of the male body which extends circumferentially therearound. The female coupling half includes a valve, a female body, and a female body extension affixed to the female body. The female body further includes a sliding sleeve movable with respect to the valve between a first position abutting and closing the valve and a second position opening the valve. The male body interengages the sliding sleeve and moves therewith during coupling and uncoupling. During uncoupling, the sliding sleeve is reliably positioned sealingly against the valve because the sliding sleeve is interlocked with the male body such that as the male body is withdrawn from the female body the sliding sleeve comes with the male body.

Abstract: A coupling for a compressed gas cylinder (2) includes a separate coupling part (12) that can be screwed to the standardized fitting (3) on the cylinder valve (1). The connection to the coupling means (7) of a pressure reducer (6) or the like is provided by plug-and-socket-type connecting means that can be plugged into each other, interlocked, and closed off by means of locking elements to prevent contamination from outside, the locking element provided on the coupling part at the same time forming a blow-off protection that allows only a limited gas flow when the cylinder valve is opened in uncoupled condition.

Abstract: A pipe coupling member for high-pressure fluid such as liquefied hydrogen includes a seal ring having a highly effective sealing function to prevent leakage of the fluid. The seal ring (72) is set in a seal ring setting space (39) defined by a second radial surface (36) and a seal ring setting surface (38) of a first tubular member (20), a forward end surface of a second tubular member (22), and the outer peripheral surface of a valve seat member (24). A forward end portion of the second tubular member (22) is provided with a communication hole (84) radially penetrating the forward end portion. The pressure of the high-pressure fluid on the downstream side of a valve seat surface (52) causes a fluid path in the second tubular member to be communicated with the sealing ring setting space (39) via the communication hole (84) and via a gap between the seal ring setting surface (38) and the outer peripheral surface of the forward end portion of the second tubular member.

Abstract: A coupling member is provided that comprises a valve movable between a closed position and an opening position. The valve is provided with a seal ring fixed in an annular groove formed in the valve and urged against a valve seat in the closed position. The groove has a forward annular groove portion and a rear annular groove portion shallower than the forward annular groove portion. The seal ring has forward and rear annular seal portions fitted in the forward and rear annular groove portions, respectively. The rear ring portion has substantially the same diameter as the forward seal portion.

Abstract: Valves for connecting fuel supplies are disclosed. The fuel supplies can be a pressurized or non-pressurized cartridge that can be used with any fuel cells.

Abstract: Disclosed is a high-pressure coupling device for directing media such as oil, water, gases, fats, and similar through quick-change systems. Said high-pressure coupling device comprises a bottom part and a top part. The bottom coupling part is provided with a firmly anchored, stiff valve thorn in the form of a valve screw which creates the sealing effect for delivering the medium along with a spring-loaded slide valve sleeve while the top coupling part is provided with a spring-loaded valve plate that creates the sealing effect for the side of the coupling device, which is to be supplied with high-pressure medium, together with a stiff valve body such that a stiff valve element actuates the spring-loaded valve element of the opposite part in the high-pressure coupling device in a valve-actuating manner when the bottom coupling part and the top coupling part are joined.

Abstract: An aseptic coupling device includes a first state in which fluid does not flow through the aseptic coupling device. In addition, the aseptic coupling device includes a second state in which fluid does flow through the aseptic coupling device. The aseptic coupling device can be moved from first, second, and third states to control the flow of fluid through the aseptic coupling device.

Abstract: A leak preventing structure is provided with a first unit, a second unit and an absorbing member. The first unit includes a first casing, a convex portion, and a first passage which is open in an end of the convex portion. The second unit includes a second casing, a concave portion which includes an inner circumferential wall and a bottom wall and into which the convex portion is to be inserted, and a second passage which is open in the bottom wall of the concave portion and which is to be connected to the first passage. The absorbing member is provided on the inner circumferential wall of the concave portion, which is to be interposed between the inner circumferential wall of the concave portion and the outer circumferential surface of the convex portion and is configured to absorb a fluid.

Abstract: A method and device for temporarily coupling of a hose to a pipe system, where a first coupling part is connected to the hose, and a second coupling part is connected to the pipe system, where both the first and second coupling part comprises valves that automatically closes when said first and second coupling parts are not connected to each other, wherein said first and second coupling part are brought into interaction with each other to establish a tight connection before the valves in the coupling parts are opened and where the coupling parts are locked to each other.

Abstract: Valves for connecting fuel supplies to a device are disclosed. The fuel supplies can be a pressurized or non-pressurized cartridge that can be used with any device, such as fuel cells or fuel refilling apparatus. The valve includes face seals to minimize the amount of fuel remaining in the valve when the fuel supply is separated from the device. In one embodiment, the valve includes deformable members including sealing surfaces, where the flow paths through the valve are sealed and unsealed by the deformation of the deformable members. In another embodiment, the female valve component includes a shortened body to limit the volume of fuel remaining in the valve. The female valve component also includes a cap with slots formed therein so that residual fuel can drain from the valve component into a fuel reservoir.

Abstract: There is disclosed a coupler which is constituted by a nozzle 10, and a socket 20. The nozzle 10 is constituted by a nozzle body 11, a movable pin 14, a first supporting member 15, etc. The movable pin 14 is made retractably movable in the axial direction in a nose portion 12 to open and close the channel inside the nozzle. The socket 20 is constituted by a housing 21, a collar 23, a ring-like packing 24, a valve stem 25, a valve head 26, a second supporting member 27, etc. The valve stem 25 is made retractably movable in the socket 20 in the axial direction to open and close the channel inside the socket. All portions or components which contact liquid fuel in the coupler are formed solely of rubber and/or plastics.

Abstract: A fluid coupler for connecting two hydraulic appliances together without requiring flexible hoses is described. The fluid coupler enables fluid-tight connecting between fixed position components and allows for separating the hydraulic appliances without decoupling the coupler while maintaining fluid-tightness of both appliances after separation.

Abstract: The structure includes protrusions 30, 62, 63 provided in either injection ports 20, 20A, 20B or cartridge nozzles 6, 6A, 6B, and grooves 6g, 32, 33 formed in either the injection ports or the cartridge nozzles so as to be fitted with the protrusions, fitted with the protrusions when the cartridge nozzles are inserted into the injection ports, and guiding the protrusions when the cartridge nozzles are further pushed in an axial direction.

Abstract: A method of fluidly connecting coaxially aligned first and second couplings (50, 130), wherein the both couplings (50, 130) have an inner high pressure passage (26) and a coaxial outer lower pressure passage (53). Initially the first coupling inner high pressure passage (26) is fluidly connected with the first outer lower pressure passage (53) while isolating the second coupling inner high pressure passage (166) and the coaxial outer lower pressure passage (151). Then the first coupling inner high pressure passage (26) and one of the second coupling inner and outer passages (166, 151) is fluidly connected with the first coupling coaxial outer lower pressure passage (53) while isolating the other of the second coupling inner and outer passages (166, 151).

Abstract: A shut-off valve or connecting valve capable of connecting a fuel supply to a fuel cell is disclosed. The valve comprises a first valve component and a second valve component. Each valve component has an outer housing and a biased slidable member disposed inside the housing forming an internal seal. During the connection process, the two valve components establish an inter-component seal. Afterward, in one suitable embodiment the slidable member moves inward and opens the internal seal in the valve component to establish a flow path. In another embodiment, the slidable member moves inward and exposes a first filler and the first filler abuts a second filler in the other valve component to establish a flow path. In other embodiments, at least one valve component is sized and dimensioned to limit access to the internal seal.

Abstract: A pipe coupling member has a tubular body (20) and a valve unit (22) slidably set in the through-hole of the tubular body. The valve unit has a valve holder (26) and a rotary valve member (30) supported by the valve holder so as to be rotatable about a pivot axis perpendicular to the axis of the through-hole. The valve holder comprises a valve seat portion (26-1) and a valve support portion (26-2) that are separately disposed in series in the axial direction or the direction of the axis of the though hole. The valve support portion rotatably supports the rotary valve member. When the valve holder moves axially in the through-hole, the rotary valve member is rotated by a cam mechanism (32) and displaced between a closed rotational position and an open rotational position while its spherical outer peripheral surface sliding relative to an annular valve seat of the valve seat portion.

Abstract: A thread to connect coupling comprising a female coupling half and a male coupling half is disclosed and claimed wherein the male coupling half includes a recess in the exterior of the male body which extends circumferentially therearound. The female coupling half includes a valve, a female body, and a female body extension affixed to the female body. The female body further includes a sliding sleeve movable with respect to the valve between a first position abutting and closing the valve and a second position opening the valve. The male body interengages the sliding sleeve and moves therewith during coupling and uncoupling. During uncoupling, the sliding sleeve is reliably positioned sealingly against the valve because the sliding sleeve is interlocked with the male body such that as the male body is withdrawn from the female body the sliding sleeve comes with the male body.

Abstract: A shut-off valve or connecting valve capable of connecting a fuel supply to a fuel cell is disclosed. The valve comprises a first valve component and a second valve component. Each valve component has an outer housing and a biased slidable member disposed inside the housing forming an internal seal. During the connection process, the two valve components establish an inter-component seal. Afterward, in one suitable embodiment the slidable member moves inward and opens the internal seal in the valve component to establish a flow path. In another embodiment, the slidable member moves inward and exposes a first filler and the first filler abuts a second filler in the other valve component to establish a flow path. In other embodiments, at least one valve component is sized and dimensioned to limit access to the internal seal.

Abstract: In order to provide a connecting coupling whose structure has increased stability and which is used for transmitting gaseous and/or liquid fluids, especially for filling the petrol tank of vehicles, comprising a sliding sleeve (18) which is used to lock collet chucks (15) above a connecting nipple, a guide sleeve (38) with longitudinal grooves is provided between the sliding sleeve (18) and the collet chucks (15). The collet chucks are guided inside the longitudinal grooves.

Abstract: A fluid coupling for providing a fluid connection between an electronic module and a rack having an electrical connector to which the electronic module is connected, comprises a male coupler and a mating female coupler. The male coupler includes a male coupler body and a nipple, and the female coupler includes a female coupler body and a socket for receiving the nipple to establish a sealed fluid flow path between the male and female couplers when the couplers are connected together.

Abstract: A nozzle part 9 provided in a fuel cartridge is inserted in a socket part 6 provided in a fuel cell body, and the nozzle part 9 and the socket part 6 are coupled. The nozzle part 9 has a nozzle head 12 provided on the cartridge body 8 and a valve mechanism arranged in this nozzle head 12. On a tip of the nozzle head 12, a spherical portion 15 is provided so as to detach from the socket part 6 without being interfered when a bending load is applied to the fuel cartridge 5 coupled to the fuel cell body.

Abstract: A generally cylindrical quick disconnect female cryogenic coupler, interconnected with a cryogenic fluid transfer apparatus, includes a coupler body with a first cavity housing a laterally severed tubular bushing, an adaptor having one end attached to the coupler body and another end to the apparatus, a normally closed-biased valve between the coupler body and the adaptor, a coupling sleeve, attached to the coupler body having, a frusto-conical inlet portion, and a vent fitting having one end connected with a coupling sleeve radial aperture and another end in operative connection with a cryogenic fluid storage vessel, associated with the noted apparatus, to permit the inlet purging by using the vessel's own gaseous phase as a purging medium during liquid fluid transfer operation. The severed bushing inhibits ice formation, at an inlet/male nipple interface during the noted transfer. A method for purging moisture at the noted interface is also set forth.

Abstract: Certain embodiments of the present invention include a male luer connector having a valve arrangement for keeping a passage that extends through the male luer connector closed when the male luer connector is not attached to a corresponding female luer connector. This passage of the male luer connector may opened by connecting the male luer connector to a female luer connector. The valve arrangement of the male luer connector may include a movable sealing element arranged around a central fluid conduit. In some embodiments, the male luer connector may include a filter that is permeable to gas, but substantially impermeable to liquid, thus allowing gas to be purged from the male luer connector while substantially preventing liquid from leaking from the connector at least when the male luer connector is not connected to a female luer connector.

Abstract: A quick release pipe connection includes a first connector and a second connector detachably combined with the first connector. The first connector includes a first connector seat, a first connecting member, a locking member, a limit pin, a first support member, a first elastic member, and a first stop member. The second connector includes a second connector seat, a second connecting member, a second support member, a second elastic member, and a second stop member. Thus, the first connector is combined with the second connector by inserting the second connecting member into the first connecting member, and the second connector is detached from the first connector by pressing the press portion of the locking member, so that the pipe connection is assembled and disassembled easily and rapidly.

Abstract: A coupling for a compressed gas cylinder (2) includes a separate coupling part (12) that can be screwed to the standardized fitting (3) on the cylinder valve (1). The connection to the coupling means (7) of a pressure reducer (6) or the like is provided by plug-and-socket-type connecting means that can be plugged into each other, interlocked, and closed off by means of locking elements to prevent contamination from outside, the locking element provided on the coupling part at the same time forming a blow-off protection that allows only a limited gas flow when the cylinder valve is opened in uncoupled condition.