Abstract: The invention relates to the field of aerial propellers, in particular the field of variable-pitch propellers, specifically for unducted fans. More specifically, the invention relates to a pivot (15) for a blade (14) of a propeller (3a, 3b), the pivot including at least a proximal portion (15a) made of metal and suitable for being retained in a radial orifice of a propeller hub, while being capable of turning in said orifice about a longitudinal axis (Z) of the pivot (15), and a distal portion (15b) including a receptacle (20) suitable for retaining a blade root, and at least one arm (17) of organic matrix composite material extending laterally relative to said longitudinal axis (Z) and supporting a flyweight (16).

Abstract: A valve cover lock assembly for a pump having a fluid end module can include a ring adapted to couple to the module, an insert comprising a plurality of segments, and a cone adapted to couple with the insert, wherein the ring comprises a first coupler and the insert comprises a second coupler configured to couple with the first coupler, wherein the cone is configured to move one or more of the plurality of segments when the cone is moved, and wherein the first and second couplers are adapted to at least partially resist movement of the insert. A method of locking a valve cover can include coupling a ring to a valve cover opening, disposing an insert comprising a plurality of segments at least partially within the ring, coupling an actuator to the insert, and coupling the insert to the ring.

Abstract: A mechanical joint includes a main body having an interior surface, an exterior surface, an inlet end, and an outlet end, the interior surface defining a fluid path from the inlet end to the outlet end, the interior surface defining a pipe seat proximate to a one of the inlet end and the outlet end, the pipe seat having a pipe seat stop surface facing towards the one of the inlet end and the outlet end; and a lining engaging the interior surface and covering at least a portion of the pipe seat stop surface of the pipe seat.

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

Abstract: The invention relates to the field of aerial propellers, in particular the field of variable-pitch propellers, specifically for unducted fans. More specifically, the invention relates to a pivot (15) for a blade (14) of a propeller (3a, 3b), the pivot including at least a proximal portion (15a) made of metal and suitable for being retained in a radial orifice of a propeller hub, while being capable of turning in said orifice about a longitudinal axis (Z) of the pivot (15), and a distal portion (15b) including a receptacle (20) suitable for retaining a blade root, and at least one arm (17) of organic matrix composite material extending laterally relative to said longitudinal axis (Z) and supporting a flyweight (16).

Abstract: In accordance with an embodiment, a method for diverting a flow of a fluid is provided. The fluid is introduced into a conduit that has a central portion, an elbow spout, and a diverter. The spout is coupled to the conduit and the diverter is coupled to the spout. The inverter can be configured in a first position or a second position. In the first position, the diverter enables the fluid to flow through the spout and in the second position, the diverter inhibits fluid from flowing through the spout.

Abstract: An electronic expansion valve is provided, a valve rod of which is provided with an axial through-hole in communication with a valve port, and a lateral wall of the axial through-hole of the valve seat is sealed with respect to the valve rod. An end surface of the valve rod includes a sealing surface in sealing contact with an end surface at the valve port, the sealing surface includes a first sealing surface to bear an action force of refrigerant at one connecting port and a second sealing surface to bear an action force of refrigerant at another connecting port, and the effective pressure-bearing area of the first sealing surface is equal to that of the second sealing surface. Further provided is an electronic expansion valve in line contact seal with the valve seat.

Abstract: An expansion valve according to one embodiment includes a body having a valve hole, a valve element which opens and closes a valve section by moving toward and away from the valve hole, and a shaft one end side of which connects to a drive section and the other end side of which connects to the valve element through the valve hole, the shaft transmitting the drive force, generated by the drive section, to the valve element. Here, the shaft is so provided as to run through an insertion hole formed axially with the valve hole in the body. The insertion hole is formed in the body by a cutting work, and has a support that supports the shaft and a diameter-enlarged part that is open to a downstream side of the valve hole and whose diameter is larger than that of the support.

Abstract: A hot-water supply system 1 comprises a temperature responsive valve 61 provided in a first bypass passage 60, an orifice 31 provided in a second bypass passage 30, a flow rate sensor 24 provided in a water supply passage 11 downstream from a connection point with the second bypass passage 30, a circulating pump 33 provided in the water supply passage 11 downstream from the connection point with the second bypass passage 30, and a controller 4. The controller 40 operates the circulating pump 33 and executes circulation heating operation for operating a burner to heat the hot water circulating through a circulation circuit 80, when a flow rate detected by the flow rate sensor 24 is equal to or more than a specified flow rate.

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

Abstract: A rain water collection system for a blue roof system that includes a tray assembly comprising a container, a water absorbing layer located in said interior region of the container, ballast members and a cover plate. The water absorbing layer is supported on a first set of support surfaces to locate the water absorbing layer above the bottom wall of the container to provide a water collecting space into which will flow excess water that exceeds the water absorbing capacity of the water absorbing layer. The sidewalls of the container have openings therethrough to facilitate the passage of over flow water from the container and the introduction of air therethrough into the interior region. The upstanding columns have openings to facilitate the passage of air therethrough into the interior region of the container.

Abstract: The present invention relates to the design of a nozzle valve (GL) for gas lifting that can be used in place of conventional orifice valves (VO). The gas lift nozzle valve (GL) according to the present invention has a body (1) with admission orifices (2), and, immediately below these, a slight recess (3) in the internal diameter of the body where a convergent nozzle (4) is fitted to regulate the gas flow passing through the inside of the nozzle valve (GL) towards the outlet (5) of the latter.

Abstract: A valve assembly includes a valve base having a tubular section with a longitudinal bore formed therein, a fluid inlet port and a common port with an internal passageway therebetween. A solenoid coil is adapted to generate a magnetic flux and includes a longitudinal axis and a bore coaxial therewith. The valve assembly further includes an orifice piece positioned within the longitudinal bore of the valve base. The orifice piece includes a central passageway with a first end and a second end. A plunger is movable within the longitudinal bore between a first de-actuated position and a second actuated position.

Abstract: Provided is a fluid control apparatus in which a pipe heating member may be mounted or removed with flexibility (i.e., without affecting other components) while one line, composed of the plurality of fluid control devices arranged in series, as a unit may be added or modified readily. The apparatus includes: a plate-shaped support member 5 to which a plurality of passage blocks 22 are detachably mounted; a hollow metal mounting member 6 having an upper surface to which the support member 5 is secured and being detachably mounted to a base member; and a pipe heating member 7 fitted into the mounting member 6. The pipe heating member 7, including a bottom wall 29 and a pair of side walls 30, accommodates a pipe 24 between the side walls 30 and is fitted into the mounting member 6 with the pipe heating member 7 abutting the mounting member 6.

Abstract: An assembly in a marine vessel includes a unit arranged in a water tight chamber opening in a hull of a vessel, wherein the unit is adapted to extend into the water below the vessel when at a mounted position. A connection path between an inside and an outside of the vessel is provided with a sealing system and the sealing system divides the connection path into an outside connection path portion and an inside connection path portion. The assembly includes a gas inlet system opening to the outside connection path portion.

Abstract: An infrastructure monitoring assembly includes a housing mountable on a fire hydrant of an infrastructure system; and a sensor coupled to the housing, the sensor configured to sense at least one condition of a fluid within the infrastructure system. An infrastructure monitoring system includes a fire hydrant of an infrastructure system; a housing mountable on the fire hydrant of the infrastructure system; and a sensor coupled to the housing, the sensor configured to sense at least one condition of a fluid within the infrastructure system.

Abstract: A fluid sampling device having a first conduit configured to couple an outlet of a fluid source to a sample inlet port; a second conduit configured to couple a sample outlet port to an inlet of the fluid source; an expansion chamber including an inlet and an outlet coupled to the first and second conduits by a valve assembly; and a pressure relief valve configured to couple the outlet of the expansion chamber to the inlet of the fluid source. The fluid sampling device facilitates acquisition of a fluid sample and subsequent purging of its internal components while inhibiting the release of sample fluid to the surrounding environment, thereby protecting the environment and sampling personnel from harmful chemical release. The fluid sampling device may facilitate a sample acquisition process that provides closed-loop flush and expansion operations for obtaining a representative sample at the appropriate fill density of the sample vessel.

Abstract: A Manual Reset hydraulic valve latch, capable of maintaining a hydraulically controlled valve in an open state after the valve has been opened by an activating device, regardless of the state of the activating device, until the latch is reset. The invention provides simplicity of operation, high resistance to false tripping and accidental shutoff. The invention further provides a fast fill of the hydraulic valve control chamber by reducing flow restriction into the valve control mechanism during reset of the latch.

Abstract: A method for manufacturing a water faucet having a main body is provided. Several housing parts of the main body are made of brass using the method of injection molding, and then the inner parts of the main body corresponding the housing parts are made of a polyamide resin using the method of double injection molding together with the respective housing parts.

Abstract: A spool valve V1 includes a valve element 11 and a cylinder 12 having a bore 12a which accommodates the valve element 11 to be movable in an axial direction. In this spool valve V1, when the valve element 11 in an initial position moves in the axial direction in relation to the cylinder 12, a supply valve port Vi formed between the valve element 11 and the cylinder 12 opens, whereby a working fluid is introduced from a hydraulic pressure source into a hydraulic chamber through the supply valve port Vi. A throttle portion O1 is provided in a fluid channel formed on the hydraulic chamber side of the supply valve port Vi.