Abstract: Shifting device for shifting a transmission, having a first group of shift elements and a second group of shift elements, a selector shaft, which is arranged in such a way that it can be moved in translation along a longitudinal axis and rotated about the longitudinal axis, wherein it is possible, by moving the selector shaft into one of a plurality of possible translational positions, to select at least one shift element of the first group and at least one shift element of the second group and, by rotating the selector shaft, to actuate the selected shift elements. The at least one selected shift element of the first group can be actuated in phase or with an overlapping phase displacement or an offset phase displacement with respect to the at least one selected shift element of the second group.

Abstract: A hydraulic system (1) for electro-hydraulically pressing and/or moving a first (8) and a second (9) set of disks of a CVT transmission (10) is provided. The hydraulic system (1) includes two electrically driven hydraulic pumps (4, 5). In order to reduce energy consumption during operation of the hydraulic system, the hydraulic pumps (4, 5) are in the form of self-inhibiting hydraulic pumps (4, 5) which, when a hydraulic pressure is applied and the associated electric drive is switched off, substantially maintain the applied hydraulic pressure as a result of a static friction and a residual moment of the associated electric drive.

Abstract: A hydraulic device comprises a base member, a piston, a seal ring, and an intermediate member. The base member includes a cylinder bore and an annular groove. The annular groove includes a first inner surface and a second inner surface. The piston is movable relative to the base member from a rest position toward an actuated position in a second direction opposite to a first direction. The piston is movable relative to the base member from the actuated position toward the rest position in the first direction. The seal ring includes a first axial surface facing in the first direction and a second axial surface facing in the second direction. The seal ring is provided in the annular groove so as to define a clearance between the first axial surface and the first inner surface. The intermediate member is provided in the clearance.

Abstract: A sealing member is provided, including a plurality of nodes and a plurality of antinodes. Each sealing member can be rotated to expose nondamaged lobes for sealing, and prevents the sealing member from falling out of the lobed groove. A chamber is provided, including a groove that the sealing member is placed in. A method of rotating and placing the sealing member is provided, including a rotation to expose nondamaged portions of the sealing member.

Abstract: A sealing structure including a first inner layer unit, a second inner layer unit, a first outer layer unit, and a second outer layer unit is provided. The second inner layer unit and the first inner layer unit are partially connected to each other through a connection manner, so as to form a gas delivery structure that includes a plurality of first stop barriers, a plurality of second stop barriers, and a runner. The second outer layer unit and the first outer layer unit are partially connected to each other through the connection manner, so as to form a first closed pattern, a second closed pattern, a plurality of interval patterns and a plurality of non-continuous patterns. Each of the plurality of first stop barriers and each of the plurality of second stop barriers are connected to one of the plurality of interval patterns respectively.

Abstract: A sealing assembly including a housing including a bore and a shaft rotatably disposed in the bore. A primary radial shaft seal is secured to the housing and includes a sealing lip engaging the shaft. A buffer seal made of an electrically conductive non-woven fabric which is arranged adjacent to the primary radial shaft seal and in contact with the housing and the shaft. A secondary contaminant exclusion seal is secured to the housing and includes at least one dust lip. The buffer seal is sandwiched between the primary radial shaft seal and the secondary contaminant exclusion seal.

Abstract: A radial shaft seal seals a rotating shaft guided out of a liquid-loaded interior chamber, has a seal housing, an annular sealing body therein bearing against and sealing the shaft using a sealing lip, and an annular, metallic supporting body positioning the sealing body/bodies to seal interior from exterior. The supporting body presses the sealing body against the housing rear wall and is press fit and weldable there. A positioning cylinder with an outer shell is on the supporting body. An elastomer sealing body positioning cap with an elastomer sealing body is press fit on the outer shell so that the sealing body bears against a supporting body supporting web press-on collar and has a self-supporting supporting arch web, at the pressure space-side end of which is the sealing lip. A cord spring is centrally above the arch web on the sealing body outer circumference in an outer groove.

Abstract: An assembly is provided for rotational equipment. This assembly includes a plurality of seal shoes, a seal base and a spring system. The seal shoes are arranged about a centerline in an annular array. The seal shoes include a first seal shoe. The seal base circumscribes the seal shoes. The spring system connects the seal shoes to the seal base. The spring system includes a first spring element and a second spring element. The first spring element extends axially along the centerline in a first axial direction from the seal base to the first seal shoe. The second spring element extends axially along the centerline in a second axial direction from the seal base to the first seal shoe. The second axial direction is opposite the first axial direction.

Abstract: Example aspects of an equalization valve are disclosed. The equalization valve can comprise a gate defining a first face, a second face, and a sidewall extending between the first face and second face, the gate further defining an equalization chamber extending into the sidewall, a first equalization channel extending from the first face to the equalization chamber, and a second equalization channel extending from the second face to the equalization chamber; and an actuation stem defining a lower portion slidably engaged with the equalization chamber, the actuation stem movable between a first position, wherein the actuation stem blocks the first equalization channel to prevent the flow of one of gas and fluid through the equalization valve, and a second position, wherein the actuation stem unblocks the first equalization channel to allow the flow of the one of gas and fluid through the equalization valve.

Abstract: An anti-cavitation valve assembly includes a seat positioned within a fluid pathway between a fluid inlet and outlet of a valve. Spaced apart elongated seat apertures are formed in a circumferential wall of the seat that have a varying opening width along a length thereof to direct fluid flow into an inner seat chamber of the seat. A disc guide is slidably movable relative to the seat and has a wall having spaced apart disc guide apertures formed therein. A tortuous fluid flow pathway is formed as fluid enters through the seat apertures, into the inner seat chamber, and exits through the disc guide apertures to minimize fluid cavitation.

Abstract: A 3-way T-flow ball drain valve permits the draining/filling/purging of a hydronic or plumbing system at the end of the line. This permits the orientation of a drain port in either horizontal or vertical position while permitting end of line draining. A drain valve member is positioned to permit the opening of the drain port when the T-ball valve member in the tee-shaped valve body has been open to permit flow toward the drain port.

Abstract: A valve device includes: a valve device body including a valve seat; a diaphragm that is provided to cover a valve chamber; a stem; and a valve body portion that is inserted into a central portion of the diaphragm, and that is configured to open and close the fluid passage by approaching the valve seat and separating from the valve seat. The diaphragm includes a main diaphragm, and a support diaphragm positioned on an opposite side of the main diaphragm to the valve chamber side and provided in contact with the main diaphragm. A first terminal end portion on an inner peripheral side of the main diaphragm is fixed to the valve body portion. A second terminal end portion on an inner peripheral side of the support diaphragm is separated from the first terminal end portion on the inner peripheral side of the main diaphragm.

Abstract: A servo valve assembly includes a housing defining a cylindrical cavity having a central axis, and a spool disposed in the cavity and co-axially aligned with the central axis. A pair of transition portions define opposing conical cavity surfaces each connect a respective one of first and second cylindrical cavity portions with a third cylindrical cavity portion. The spool comprises a pair of blocking members projecting radially, and each of the blocking members defines a conical blocking surface opposing a respective one of the conical cavity surfaces to define a fluid flow passage therebetween. A cone angle of each conical blocking surface relative to the central is equal to a cone angle of the opposing conical cavity surface relative to the central axis. The spool is moveable along the central axis to vary a flow area of the flow passages between the conical blocking surfaces and the conical cavity surfaces.

Abstract: Disclosed herein are embodiments of a value assembly, methods of manufacturing the same, and methods of using the same. In one embodiment, a sensor assembly comprises a housing having a through-bore, a first flap coupled to a first shaft and a second flap coupled to a second shaft, wherein the first shaft and the second shaft are coupled within the housing; and one or more gear assemblies coupled to the first shaft and the second shaft, wherein the gear assemblies are configured to rotate the first flap and the second flap from a first position to a second position to prevent a flow from traversing through the through-bore, and from the second position to the first position to allow the flow to traverse through the through-bore.

Abstract: A check valve can include a pressure actuator or an electromagnetic actuator. The check valve includes a valve inlet, a valve outlet, and flap disposed between the valve inlet and the valve outlet. The pressure actuator in fluid communication with the valve inlet. The check valve has an open state and a closed state. The check valve is configured to allow an input gas to flow from the valve inlet to the valve outlet when the check valve is in the open state. The check valve is configured to preclude the input gas from flowing from the valve inlet to the valve outlet when the check valve is in the closed state. Upon actuation of the pressure actuator or the electromagnetic actuator, the flap moves away from the valve inlet to allow the inlet gas to move from the valve inlet to the valve outlet.

Abstract: The present invention relates to an axial valve with a modular concept for the regulation of fluid flow and prevention of fluid reverse flow consisting of a single-piece and two-piece outer valve body (1; 99) that can be installed within the pipeline, the outer valve body (1; 99) of which contains a coaxially situated inlet and outlet fluid flow opening; a central valve body (2) which is connected to the outer valve body (1; 99) by means of a plurality of ribs (1.1), wherein a channels (7) are situated between the outer valve body (1; 99) and the central valve body (2), and said channels allow for an undisturbed flow of the flow fluid when said axial valve is open; an actuator (4a; 4-b; 4c; 4-SC; 4-SH; 4-SFMO) located axially within the central valve body (2; 100), the actuator of which contains an actuator piston (5-a; 5-b; 5-c; 90; 112; 106-SH) and an actuator piston rod (5.1-a; 5.1-b; 5.1-c; 86.1-a; 106.

Abstract: A variable flow poppet valve includes a first stage, a second stage, a bushing disposed in the second stage, and a cap configured to actuate the valve open. The first stage includes an inner valve plug having a head with a first tapered portion and a shaft extending downstream from the head, and a first stage spring disposed within the bushing and extending around the shaft. The shaft is attached to the cap to allow the cap to actuate the inner valve plug to the open position. The second stage includes an outer valve plug having an upstream portion and a second tapered portion extending downstream from the upstream portion. The bushing includes a shoulder, and the cap is configured to engage the shoulder to actuate the outer valve plug to the open position.

Abstract: The invention relates to a pressure relief device and to a method for producing a pressure relief device, the pressure relief device (10) comprising a rupture disc (11) and a vacuum support (12, 32), the rupture disc and the vacuum support being made of graphite, the one-piece rupture disc having an exit side (13) and an entry side (14), the rupture disc having a recess (15) on the entry side, said recess (15, 33) forming a rupture area (17) within a retainer (16) of the rupture disc, the vacuum support being inserted in the recess, the pressure relief device having a carbon retaining device (30) for a form-fitted fastening of the vacuum support in the recess.

Abstract: A valve in which the flow control element includes a fixed disk and a rotatable disk, and a motor operable to rotate the rotatable disk. The motor is disposed in the bore of the valve, aligned with the long axis of the valve body and the axis of rotation of the rotatable disk.

Abstract: A fluid end assembly of a hydraulic fluid pump includes a housing having a bore, a removable valve cover closing the bore, and a retainer engaging the bore. The retainer includes a set screw bore that extends from a first side of the retainer to a second side of the retainer, opposite the first side. The fluid end assembly further includes a set screw. The set screw is threaded into the set screw bore from the first side of the retainer. The set screw is not removable from the second side of the retainer. The first side of the retainer is positioned adjacent to the valve cover.

Abstract: An electromagnetic valve includes a sleeve having a valve hole at a central portion thereof, a spool, and an electromagnetic solenoid. The sleeve has plural ports penetrating the sleeve between inner and outer peripheral surfaces thereof and disposed side by side in a central axis direction of the valve hole. In the spool, plural lands having an outer peripheral surface facing an inner peripheral surface of the valve hole are provided side by side in the central axis direction. The electromagnetic solenoid is configured to move the spool in the central axis direction in the valve hole. The ports have one or plural recessed portions in which working oil is stored. When the spool is decentered with respect to the sleeve, a pressure of the working oil stored is increased.

Abstract: A valve drive includes a housing in which a valve actuator with a dielectric elastomer transducer is arranged. A first end of the valve actuator is coupled to an actuating part for actuating a valve element and a second end of the valve actuator is coupled to a holding part, which is mounted in the housing via an adjusting device for adjusting a mechanical pretension of the dielectric elastomer transducer. The adjusting device comprises a single adjusting screw.

Abstract: A pressure reducing valve and a method for operating the pressure reducing valve. The pressure reducing valve may be used in a potable water system. The pressure reducing valve can be used for gaseous media and liquid media. Preferably, the pressure reducing valve is intended for use with liquid media, most preferably for potable water.

Abstract: The present disclosure provides an electric water diverter, which includes a controller, a brushless DC motor, a core and a T-shaped body. The controller is electrically connected to a fixed Hall PCB circuit board and the brushless DC motor in turn. The brushless DC motor has a rotating shaft detachably connected to the core via a connector, which is also embedded with a magnet cooperating with the Hall PCB circuit board. The Hall PCB circuit board obtains a relative position signal of the rotating shaft through Hall induction and feeds the relative position signal back to the controller. A user controls the brushless DC motor to perform phase rotation through the controller and drive the connector and the core to selectively rotate forward or backward relative to the T-shaped body. Thereby, stepless adjustment of water flow from water outlet is achieved.

Abstract: A method for monitoring a system with mechanically movable parts, preferably a valve system, wherein the system is preferably part of a technical plant, in particular a production plant, and wherein the system has at least one mechanically movable part, in particular a valve, where the method comprises a) acquiring indicators, which can be used for a technical characterization of a movement procedure of the mechanically movable part, via technical devices configured for the acquisition of the indicators and b) transferring the acquired indicators to an evaluation unit arranged outside the system to determine a technical status of the system.

Abstract: A CNG leak detection system has a plurality of CNG tanks. A plurality of control valve mechanisms, equal in number to the plurality of CNG tanks, is coupled with each CNG tank. A sensor is coupled with each control valve mechanism. The sensor monitors the CNG in the tank. A processor is electrically coupled with the sensor. A display is coupled with the processor to display the sensed condition of at least one desired tank of the plurality of tanks.

Abstract: A non-curable injectable ester containing packing material for use in the repair of leaking valves contains a calcium sulfonate grease containing at least one polyalphaolefin, an ester, an anti-wear/anti-galling agent, a binding/thickening agent and a plasticizing agent.

Abstract: A hanger for a pipe, the hanger comprising: a suspension member configured to engage the pipe, the suspension member comprising a side edge and defining a hole in through the suspension member; a threaded rod extending through the hole; a nut threaded on the threaded rod; and a lock tab washer disposed on the threaded rod between the suspension member and the nut, the lock tab washer comprising a first tab and a second tab, the first tab bent over a side edge of the suspension member, the first tab configured to prevent the lock tab washer from rotating with respect to the suspension member, the second tab bent over a circumferential side of the nut, the second tab configured to prevent the nut from rotating with respect to the lock tab washer.

Abstract: A connection system comprising: a dispensing member; a receiving member; first sealing means and second sealing means arranged at the interface between the dispensing member and the receiving member to enable redundant leak-tight engagement between the dispensing member and the receiving member; a control chamber defined between the first sealing means and the second sealing means; and means for measuring the current pressure in the control chamber so as to detect a gas leak.

Abstract: A conduit locking system includes a first cylindrical conduit having a male and female portion. The female portion includes an engagement protrusion that is radially disposed on an outer surface, and an inner surface that is configured to engage an outer surface of a male portion of a second cylindrical conduit to define a continuous fluid passageway. The conduit locking system comprises an annular band having a tensioner and is configured to engage the male portion of the second cylindrical conduit. The annular band may also comprise a plurality of fingers disposed radially about the annular band. The plurality of fingers may be configured to engage the engagement protrusion of the female portion of the first cylindrical conduit. The conduit locking system is manipulatable between an unclamped position to a clamped position.

Abstract: An oil drain receptacle attachment, integrated system and method of use for providing a closed, clean catch system for the requisition of used motor oil for recycling. The oil drain attachment itself is positioned between a flexible drain tube and a collection receptacle where the reversibly attachable oil drain attachment allows for securing of the flexible tubing to an opening of the receptacle, in operation, that is capable of initiating and ceasing flow, through an ‘on’ and ‘off’ functionality, in addition to intermediate, partial opening and closing positions, as well as providing ventilation that facilitates the exit of air with the introduction of used oil into a collection receptacle for transportation and disposal.

Abstract: A tamper-evident cover for a component, the component comprising: first and second portions; and an actuator mechanism for moving the first and second portions or allowing the first and second portions to move relative to one another; wherein the cover comprises: a cover portion defining a cavity configured to receive the actuator mechanism of the component so as to prevent access to the actuator mechanism from the exterior of the cover portion; and a retention barb connected to the cover portion and housed within the cavity formed by the cover portion such that it is inaccessible from the exterior of the cover portion, the retention barb being configured to engage with the component so as to retain the cover portion over the actuator mechanism.

Abstract: A quick connector for removable join of two pipes is provided by the present disclosure, which includes: a quick joint, an elastic pressing sleeve and a quick connection body; wherein the quick joint is a member for passing water, and is composed of a water pipe joint and a plug-in portion; an outer side wall of the plug-in portion is provided with a fixing groove and sealing ring grooves; an inner side wall of the elastic pressing sleeve is provided with an elastic insert that is capable of being ejected outwardly, and the elastic insert is disposed on the inner side wall of the elastic pressing sleeve in a cross sectional direction and extends inwardly.

Abstract: The invention relates to a hydraulic coupler. The coupler comprises a male and female coupling, each with a poppet valve moveably supported by an inner surface of a main body of the coupling. Each coupling further comprises a movable connector part in its front end with a spherical rear surface accommodating a spherical connector seat in the main body, where the connector is provided with sealing means between the connector part and the main body of the coupling.

Abstract: A flexible pipe element is provided formed as a metal bellows with at least one corrugated bellows section and a bellows brim, which forms one end of the metal bellows, and a connection element for connecting the metal bellows to a continuing pipe part or to a connector, with the connection element having a connection area for abutting a contact area of the bellows brim. An annular bulge is formed in the contact area of the bellows brim and/or in the connection area of the connection element projecting beyond an average level of the contact area and/or an average level of the connection area in order to form a linear seal between the contact area and the connection area. A method for producing such a flexible line part is also provided.

Abstract: The present invention is an elastic (mechanically stretchable), sanitizing pouch configured to receive and hold an Electronic Device of a predetermined configuration. The elasticity of the fabric used maximizes surface contact with the Electronic Device and the closeness of the fabric of the invention with the outside surfaces of the Electronic Device. A liftable and removable cover flap on the front of the invention is used to hold and access the inside of the invention. The back of the invention includes at least one pocket. The invention further includes a pull tab to help lift an Electronic Device out of the invention. While inside the invention, the silver ions are released in the fabric and inhibit the colonization of bacteria, viruses and fungus on the Electronic Device.

Abstract: A pipeline plug includes a plug body. The plug body includes an outer housing. The interior of the outer housing defines a pressure vessel. The pipeline plug includes a pressure head coupled to the plug body, a seal assembly, a gripper assembly, a movable head, and an actuation mechanism. The actuation mechanism includes a leadscrew, the leadscrew coupled to the movable head. The actuation mechanism includes a captive nut, the captive nut positioned within the pressure vessel. The actuation mechanism includes a motor, the motor operatively coupled to the captive nut and adapted to rotate the captive nut.

Abstract: A pipeline plug includes a pressure head; a seal assembly; a seal expansion ring; a plurality of gripper bodies, a sliding gripper, and an actuator. Each gripper body is coupled to the seal expansion ring. Radial expansion of the gripper bodies supports radial expansion of the seal expansion ring. Additionally, radial expansion of the seal expansion ring supports radial expansion of the gripper bodies. The sliding gripper is slidingly coupled to a radially outer surface of the gripper body.

Abstract: In a sectional-type high wear-resistant double-layer straight tube and a method for preparing the same, the double-layer straight tube includes a protective outer tube and a sectional-type wear-resistant inner tube. The protective outer tube is nested outside of the sectional-type wear-resistant inner tube; the sectional-type wear-resistant inner tube includes at least two wear-resistant inner tube sections; and the wear-resistant inner tube sections are connected sequentially. The sectional-type wear-resistant inner tube at least includes a left inner tube section, a right inner tube section, and one or more middle inner tube section. The wear-resistant straight tube can greatly prolong the service life of the pipeline so that the cost performance of the pipeline is increased by more than a few times. It would also easily achieve mass production, the quality is stable and reliable, and the safety performance is high.

Abstract: An apparatus includes a method for providing a Shape Memory Polymer Based Passive Thermal Diode (SMP-PTD) that includes layers and is configured to provide passive heating and cooling of a pipeline. The SMP-PTD includes a polyurethane (PU) layer configured to contact at least an upper portion along a length of a pipe. The SMP-PTD further includes a polyethylene terephthalate (PET) layer configured to surround the PU layer and the length of the pipe. The SMP-PTD further includes a graphene layer configured to surround an upper side of the SMP-PTD and cross layers of the SMP-PTD toward a bottom side of the SMP-PTD to establish contact with the pipe. The SMP-PTD further includes an epoxy shell configured to surround the graphene layer. The SMP-PTD further includes a shape memory polymer (SMP) ring configured to provide vertical displacement and push upward upon lateral displacement from pushing by left and right PET blocks. The SMP-PTD is installed on the pipeline.

Abstract: A hinge device for supporting a display device is provided. The hinge device comprises a supporting seat, a shaft, a bearing plate, and an elastic module. The shaft rotatably passes through the supporting seat. The bearing plate is disposed on the shaft, and the display device is disposed on the bearing plate. The elastic module includes a cam and at least one elastic plate. The cam is configured on the shaft, and the cam and the shaft rotate synchronously. A fixed end of the elastic plate is fixed to the supporting seat. The elastic plate has a deformation amount to provide a balance torque to the cam when a free end of the elastic plate abuts against the cam. When an external force is applied on the display device, the bearing plate is actuated to drive the shaft and the cam to rotate to change the deformation amount and the balance torque of the elastic plate. When the external force is removed, the display device can be stopped at once.

Abstract: A multipurpose holder includes a base seat having opposite first and second end portions, a support rod including a pivot end portion connected pivotally to the first end portion, and a detent member including a pivot connecting portion proximate to the second end portion, and a pressed portion and a connecting end portion located on two opposite sides of the pivot connecting portion. The support rod is movable between stored and propped-up positions, in which it abuts against the base seat and a free end portion thereof is distal to the base seat, respectively. The connecting end portion is movable between first and second positions, in which it is proximate and distal to the base seat, respectively.

Abstract: A holder for flexible materials which incorporate two arms connected by an elbow. Within the elbow is a tensioning mechanism which, when engaged, tends to press the arm apart. When the tension is released, the holder collapses into an easily stored mechanism. With the arms being variable in length, the range of material dimensions is greatly enhanced. A connector positioned at the elbow permits the holder to be secured to a base and arranged in gangs to address the particular need at the time.

Abstract: Methods and apparatus for securely mounting an enclosure are described. In various embodiments a device enclosure includes a recessed back area in which a mounting latch including a generally key-shaped opening is positioned. A mounting bracket including a post having multiple dimensions is secured to a wall. The enclosure and latch is placed over the post. The enclosure is moved so that the post slides in the key-shaped opening and snaps into the first portion of the key-shaped opening. To release the latch a release tool is inserted into a slot or other opening and rotated so that the tip or tips of the release tool can pass through one or more openings in a rear wall of the enclosure and compress a portion of the latch allowing the enclosure and latch to slide on the shaft until the enclosure reaches a position where it can be removed.

Abstract: A shouldering type photographing support is provided, comprising a main frame for coupling components, on which at least one connecting base for fixing a lens or camera is provided; a shouldering assembly connected to the main frame, wherein the shouldering assembly being provided on a side of one end of the main frame and not in the same axis as the connecting base, and the shouldering assembly being located in the left rear or right rear of the at least one connecting base; and a supporting assembly connected to the main frame, wherein the supporting assembly comprises a chest-supporting assembly, arm-supporting assembly, handheld assembly and supporting leg assembly, the shouldering assembly and the supporting assembly together provide supporting at multiple points for the main frame.

Abstract: Grease distribution systems for lubricating a plurality of fracking valves on a wellhead may include a distribution manifold configured for mounting on or adjacent to the wellhead. The grease distribution manifold may include a plurality of manifold valves. A grease pump may be disposed in fluid communication with the grease distribution manifold. A plurality of safety valves may be disposed in fluid communication with the respective manifold valves. Each of the safety valves is configured to be disposed in fluid communication with one of a plurality of fracking valves. The grease pump is configured to distribute grease through at least one of the manifold valves and its respective one of the safety valves, to the respective one of the fracking valves.

Abstract: A composite pressure vessel that includes a monolayer liner and a reinforcing structure arranged on top of the liner. The liner is made by injection moulding and includes at least two shells weldable together. Each shell is made of a polymer composition including at least 45% by weight of an aromatic polyamide relative to the total weight of the polymer composition, and at least 10% by weight of an aliphatic polyamide relative to the total weight of the polymer composition.

Abstract: An apparatus includes a high-pressure tank, a controller, a valve, controlled by the controller, and a compressor.

Abstract: A pressure vessel includes a vessel body, a covering part, and a cylindrical mouthpiece. The vessel body includes a cylindrical open end portion on at least one end side of the vessel body. The covering part is made of a fiber reinforced resin and covers an outer surface of the vessel body. The mouthpiece is configured such that a plurality of mouthpiece bodies each having a projection on an inner surface of the mouthpiece body is connected to each other in a circumferential direction of the open end portion. The mouthpiece is attached to an outer peripheral surface of the open end portion by the projections biting into the covering part covering the outer peripheral surface of the open end portion. The mouthpiece bodies of the mouthpiece are connected to each other by fitting together fitting portions formed at end portions of the mouthpiece bodies in the circumferential direction.

Abstract: A cartridge loader includes a lever arm, a hinge axle and a cam centered on the hinge axle, and a housing for receiving a cartridge, the housing having a first end and a second end, the first end adapted to connect to an appliance, and the second end adapted to allow the lever arm to open and close, the housing having an aperture exposing an interior of the housing, the aperture shaped to receive the cartridge and the lever arm, wherein the cam is adapted to assist in seating the cartridge in the housing when the lever arm is closed, and ejecting the cartridge when the lever arm is opened.