Abstract: A pressing-controlled valve having a valve casing, a valve seat, a fixed valve plate, a movable valve plate, a driving piece, a press structure and a pulling structure, wherein the valve seat is assembled on one end of the valve casing. The fixed valve plate, movable valve plate and driving piece are disposed in the valve casing. A flow channel for fluid is formed among the valve seat, fixed valve plate and movable valve plate. The driving piece is in contact with the movable valve plate. The pulling structure includes a shaft lever, a guide block and a drawing piece. The press structure pulls the shaft lever the move, the shaft lever pulls the drawing piece through the guide block, so that the driving piece drives the movable valve plate to slide laterally, so as to enhance the handiness of flow control or the on/off of the flow channel.

Abstract: An apparatus is disclosed as including a first material volume with at least a hardened portion and a second material volume that includes at least two layers. The first material volume is composed of at least a hardenable alloy of steel. The at least two layers is located adjacent to a first surface comprising the hardened portion of the first material volume. The at least two layers includes a first layer composed of at least a ductile low-carbon alloy of steel and a second layer composed of at least a cobalt-based hardfacing over the first layer. The apparatus is applicable in preparing shear ram blocks and shear ram blades to provide a hardened blade edge with an adjacent hardfacing surface.

Abstract: Disclosed is a breather valve for controlling a pressure of a transfer channel of a valve assembly. The valve assembly controls charging and discharging of hydrogen in a hydrogen fuel cell-based vehicle. The breather valve includes a vent ring movably received in a distal portion of the transfer channel and having a ventilation hole communicating with a main portion of the transfer channel; and a vent valve received in the distal portion of the transfer channel and screw-coupled to the transfer channel to open or close the ventilation hole.

Abstract: A poppet of a check valve includes a base, a shaft extending from the base, and a sealing head coupled to the shaft and extended away from the base by the shaft. A flow channel is defined between the base, the shaft, and the sealing head. The base includes a plurality of holes.

Abstract: A safety device allows selective opening or closing of a drain opening of a tank, to render such action more difficult for a child. The device has a body, a plug, a means for restricting axial movement of the plug in a conduit that runs through the body, and, optionally, a tether. The conduit is adapted for engagement in the drain opening. The plug is frictionally engaged in the conduit. The means for restricting axial movement has complementary elements disposed on the plug and on the body, such that, in a first rotational position, the plug is axially retained relative to the conduit and, in a second rotational position, the plug is not restricted from axial movement out of the conduit. The tether attaches to the plug and the body to keep the plug proximate to the body.

Abstract: In order to appropriately control temperatures of fluid heating sections that are maintained at different temperatures, the fluid control device (100) comprises a plurality of fluid heating sections (1) connected to each other and each having a flow path or a fluid accommodating portion inside, heaters (10) configured to heat each of the plurality of fluid heating sections to different temperatures, and heat insulating members (13, 13?) disposed between adjacent fluid heating sections.

Abstract: The invention relates to a protective valve ring (1) for an oxygen gas cylinder (3). The protective valve ring (1) comprises a body (4) adapted to enclose an outlet (5) of a cylinder valve (2). The body (2) comprises an incombustible and heat absorbing material, and has an internal shaping adapted to guide any potential oxygen gas leak away from inflammable parts of the gas cylinder (3). The invention also relates to a shut-off valve (2) for controlling flow of a pressurised gas and a method for attaching a protective valve ring (1) to a shut-off valve (2) of an oxygen gas cylinder (3).

Abstract: A water saving apparatus for use in a shower stall that has shower walls and a handheld shower head includes a basin having a rear wall, two side walls, a front wall, a bottom wall, and a top wall. All of the walls defines an internal volume. The front wall is open to accept the handheld shower head therethrough. A drain pipe is fixed through the basin and directed to a collection point. In some embodiments, the water saving apparatus includes a side compartment for holding items such as shampoo bottles and the like. In use, with the basin mounted with the shower stall, the handheld shower head is placed into the internal volume to collect water exiting the handheld shower head and direct the water by gravity to the collection point until the water exiting the showerhead is at a desired temperature.

Abstract: A valve assembly for a dose filling machine having a valve body, a rotor and a first end seal assembly. The valve body has a main supply bore, a rotor bore, an upper rotor piston bore, and a side rotor dispensing bore. The rotor is rotatably positioned in the rotor bore. The first end seal assembly comprising a first end rotor seal engaging the valve bore and the rotor. A first end inner plate overlies the first side of the valve body and the first end rotor seal. The first end outer plate includes a bearing positioned within an opening thereof. A transverse slot extends from the opening to an outer edge so that a leak beyond the first end rotor seal proceeds through the transverse slot away from the bearing.

Abstract: A valve bonnet has an elongated cavity to accommodate a spring-loaded valve stem, an upper surface, and tapped holes exposed at the upper surface. A bonnet accessory for the valve bonnet includes a fixture plate with holes formed in a predetermined hole pattern that matches a hole pattern of the tapped holes of the bonnet. The bonnet accessory includes threaded fasteners, each of which has a length to position the fixture plate at a predetermined height above the upper surface of the bonnet. The threaded fasteners have first ends to threadedly engage the tapped holes on the bonnet and second ends aligned with the holes in the fixture plate and retained on the fixture plate. The bonnet accessory includes a loop fastener that is retained on the fixture plate. The bonnet may be lifted by applying a pull force to a loop portion of the loop fastener.

Abstract: An automatic downspout assembly includes an intake pipe that is fluidly coupled to a downspout of a gutter on a building to receive precipitation from the downspout. A spout is rotatably coupled to and extends laterally away from the intake pipe and the spout is in fluid communication with the intake pipe to receive the precipitation. A stand is positionable beneath the intake pipe when the intake pipe is fluidly coupled to the downspout to support the intake pipe above a support surface. A tipping pipe is fluidly coupled to the spout to receive precipitation from the spout. The tipping pipe is biased into a home position and the tipping pipe can be urged into a tipped position when the tipping pipe fills with precipitation. In this way the tipping pipe directs the precipitation onto ground.

Abstract: A dual-purpose type gas-valve structure especially related to a gas-gun gas-valve used for controlling the igniting and releasing of gas. It is specially designed with the horizontal and vertical gas entrance types coexisting structure to facilitate selecting different types to insert and connect the high-pressure steel cylinder depending on the gun type. It mainly consists of a box-body set with several connected horizontal and vertical channels inside; wherein a group of vertically intersecting channels located below can respectively insert into the high-pressure steel cylinder from the horizontal entrance and the vertical entrance from outside; wherein the lower-layer horizontal channel located at the upper f-type channel belongs to the high-pressure gas control room and the touch-press port, and the gas can be thereby released to the vertical channel and strongly ejected out through the upper-layer horizontal channel to instantaneously propel and launch out the bullet of the connecting barrel.

Abstract: A system includes a client application executed by a client computing device for setting up an inflation level and checking an inflation level of an inflatable cushion having at least one air cell or zone and at least one pressure sensor within the cushion that detects air pressure. The client computing device communicates with the inflatable cushion and determines an optimal inflation level for a user of the inflatable cushion.

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: A freeze frame to protect an outdoor faucet and hose when the outside temperature dips below freezing is disclosed. The frame comprises a first box and a second box. The two boxes are held-together using one or more spring-loaded hinge. The first box has a cavity and a pair of padlock tabs at its upper portion. The second box comprises a cavity and a pair of lock hasps at its lower portion. The cavity of each box forms a hole, which allows the hose to remain connected to the hose bib. The frame further comprises a closed-cell foam gasket with one or more mounting flanges. The gasket is configured to mount the second box to the dwelling wall using one or more fasteners. The first box is configured to cover and secure the water pipe connection surrounded by the second box.

Abstract: There is described a drainage system comprising: an inlet pipe; and an energy dissipater comprising a dissipation chamber. The dissipation chamber has a dissipater inlet fluidically connected to the inlet pipe and a dissipater outlet arranged to discharge fluid from the dissipation chamber. The dissipater inlet extends between a first end and a second end. A wall of the inlet pipe extends tangentially from the dissipation chamber so as to define the first end and such that, in use, fluid is discharged into the dissipation chamber in a tangential direction, thereby inducing a circulating flow within the dissipation chamber about an axis of the dissipation chamber. The width of the dissipater inlet in a direction parallel to the axis decreases from the first end to the second end.

Abstract: A control valve includes a body and a sleeve, the body having a flow passage therethrough, the flow passage having an inlet, an outlet, a first portion, a second portion, a junction of the first portion and the second portion, and an opening to the second portion. The first portion has a first axis centered through the inlet, a first bend, and a second axis. The second portion has a third axis centered through the outlet, a second bend, and a fourth axis. The fourth axis is perpendicular to the second axis. The first portion is upstream of the junction and the second portion is downstream of the junction. The second axis is centered through the junction. The opening has a fifth axis aligned with the second axis. The sleeve is fastened to the body within the first portion, the sleeve having a sixth axis aligned with the second axis.

Abstract: The invention comprises a flapper check valve assembly in which a flapper coated with an elastomeric seal is pivotably attached to a swing arm, and further in which the swing arm is pivotably attached to a retainer ring permitting two degrees of freedom of motion. The retainer ring is mounted in a check valve body. A novel mounting of the flapper to the swing arm ensures the flapper seals the pipeline against backflow.

Abstract: A fluid pressure regulator includes at least one fluid inlet conduit for connection to a pressurised fluid source, an outlet conduit. and an elastically expansible chamber arranged between the at least one fluid inlet conduit and the outlet conduit. The elastically expansible chamber being configured to elastically deform the at least one fluid inlet conduit upon expansion to modify the cross sectional area of the at least one fluid inlet conduit.

Abstract: A butterfly check valve is disclosed, which includes a housing defining an interior chamber having an inlet and an outlet; a control valve configured to control a flow between the inlet and the outlet, the control valve including a valve member movable to an open position in which a flow is permitted between the inlet and the outlet and a closed position in which the flow is blocked between the inlet and the outlet; and a check valve arranged downstream of the control valve, the check valve including a dome-shaped clapper configured to seal against an outer periphery of a clapper seat within the interior chamber of the housing in a reverse flow from the outlet to the inlet.