Abstract: A magnetic filter for a central heating system is disclosed, the filter including a separation chamber, a magnet for capturing magnetic particles within the separation chamber, an inlet for fluidly connecting to a central heating system circuit, an outlet for fluidly connecting to a central heating system circuit, and a single valve operable to select between at least two positions, the valve in a first position fluidly connecting the inlet to the separation chamber and fluidly connecting the outlet to the separation chamber and the valve in a second position isolating both the inlet and the outlet from the separation chamber.

Abstract: An air distributor may include a thin-wall main pipe (10) and branch pipes (48) distributed on the main pipe. The branch pipes may be symmetrically fixed on the main pipe by locking device disposed in the main pipe. Welding is not needed, and disassembly and maintenance are easy. The main pipe is thin-wall pipe, therefore the weight of the device is greatly reduced, and the production cost is decreased.

Abstract: The present application discloses an integrated immersed tube section and an installation method thereof, and an installation and closure method of immersed tube sections, wherein the integrated immersed tube section includes a standard immersed tube section; and closed annular telescopic water stop joints are arranged at two ends of the standard immersed tube section.

Abstract: A mechanism for cleaning a flow control element (e.g., a baby bottle nipple or a child sippy cup flow control valve) that includes a tube-like wall section defining a flow channel, and a substantially flat membrane supported across the flow channel, where the membrane includes multiple pinholes that remain closed to prevent fluid flow under normal atmospheric conditions, and open and to facilitate fluid flow rate through the membrane under an applied pressure differential (e.g., when sucked on by a child). The mechanism includes a tubular flow member including a fixture that is pressed into and secured inside the flow channel by frictional contact, and a pump for pulling and/or pushing a cleaning solution (e.g., soapy water) in the flow channel by way of the tubular flow member, whereby the cleaning solution forces the membrane to repeatedly stretch such that the cleaning solution repeatedly passes through the membrane.

Abstract: A roof assembly for a storage car includes a supporting element, a pair of first fixing elements, a pair of second fixing elements, and four connecting elements. The pair of first fixing elements and the pair of second fixing elements engage and cover around the periphery of the supporting element. Two of the four connecting elements are mounted at two opposite ends of each of the first fixing elements. Therefore, a storage cart including a frame and holes does not need to install or form additional supports for connecting with the roof assembly. Fasteners can pass through the holes of the storage cart and engage with the connecting elements to cause the roof assembly securely connected with the storage cart.

Abstract: A leak detecting device for water filled vessel such as a swimming pool. An annular resilient seal having a central opening contacts the surface of the vessel under water and creates a seal between the resilient seal and the vessel. A rigid housing open in its interior is coupled to the resilient seal and has an opening for an inlet to deliver fluid into the interior of the housing, or couple a flow meter thereto to measure the fluid flow, or deliver a dye into the housing and through the central opening of the resilient seal.

Abstract: When an exhaust gas sensor is mounted to an exhaust pipe into which exhaust gas from an engine is introduced, an intermediate member is made to intervene between the exhaust gas sensor and a boss provided in an exhaust manifold, the intermediate member being fastened to the boss by bolts and the exhaust gas sensor being screwed into a screw hole formed in the intermediate member, so that a sensor portion at a front end of the exhaust gas sensor is inserted into the inside of the exhaust pipe. Though the screw hole formed in the intermediate member is to be exposed to high-temperature gas of the exhaust manifold, stainless steel, whose high-temperature strength is high, being used for the intermediate member, a female screw of the screw hole is hard to be softened and an occurrence of torque down can be suppressed.

Abstract: An elbow clamp assembly structurally supports or replaces a connection between a main pipe and an elbow pipe. The elbow clamp assembly includes an upper clamp body and a lower clamp body securable on opposite sides of the main pipe in facing relation. The upper and lower clamp bodies are connected by a clamp bolt extendable through the main pipe. An elbow boss is securable to the elbow pipe, and a cross bolt is extendable through the elbow pipe and connected between the elbow boss and the clamp bolt.

Abstract: A hydraulic manifold assembly having a block including a plurality of fluid ports provided on a common surface of the block, and a set of hydraulic fittings. Each fitting is assigned to a prescribed one of the ports. Each fitting includes a hollow bolt insertable into the prescribed fluid port, and a banjo block having a first aperture for receiving the hollow bolt and a second aperture intersecting the first aperture. The second aperture provides an external fluid port for fluidly coupling a remote device. The plurality of banjo blocks includes at least one adjacent pair of banjo blocks that are unique from each other and have exterior shapes complementary to each other to control the relative orientation therebetween when coupled to the prescribed fluid ports. The exterior shapes of the adjacent banjo blocks cooperate to prevent misassembly.

Abstract: A mechanical securing assembly (40) is adapted to secure the structural integrity of a flow passage formed by at least a first pipe part (41) and a second pipe part (42). The assembly comprises a connecting member (43), a first fastening member (44), attached to the connecting member and adapted to secure the connecting member to the first pipe part, and a second fastening member (45), attached to the connecting member and adapted to secure the connecting member to the second pipe part. The connecting member comprises a spring element (46) exerting a force pulling the first fastening member and the second fastening member towards each other along a primary axis (y), and thus being adapted to force the first pipe part and the second pipe part towards each other. The spring element is extendable along the primary axis by a compression of the spring element along a secondary axis forming an angle to the primary axis.

Abstract: An elbow clamp assembly structurally supports or replaces a connection between a main pipe and an elbow pipe. The elbow clamp assembly includes an upper clamp body and a lower clamp body securable on opposite sides of the main pipe in facing relation. The upper and lower clamp bodies are connected by a clamp bolt extendable through the main pipe. An elbow boss is securable to the elbow pipe, and a cross bolt is extendable through the elbow pipe and connected between the elbow boss and the clamp bolt.

Abstract: An air swivel ring includes a non-rotating member having an air inlet, a rotating member having an air outlet, and a split seal having a first sealing surface and coupled to one of the non-rotating member and the rotating member so that the first sealing surface on the seal is disposed proximate a second sealing surface on the other of the non-rotating member and the rotating member.

Abstract: An air swivel ring includes a non-rotating member having an air inlet, a rotating member having an air outlet, and a split seal having a first sealing surface and coupled to one of the non-rotating member and the rotating member so that the first sealing surface on the seal is disposed proximate a second sealing surface on the other of the non-rotating member and the rotating member.

Abstract: A drain fitting includes a cylindrical body that is sealed against a floor drain cover to confine condensate liquid, such as from an air conditioner, inside the perimeter of the drain fitting by tightening a self-tapping screw that is inserted into a hollow stem in the center of the central body portion of the drain fitting, pulling a gasket in the bottom surface of the drain fitting against a floor drain cover. A nipple connected to the drain fitting receives a condensate drain hose. A vent opening is formed into a side wall of drain fitting.

Abstract: A core spray sparger T-box attachment assembly for a nuclear reactor pressure vessel includes a downcomer pipe coupling and a sparger T-box clamp. The downcomer pipe coupling includes a cylindrical outer housing, a center portion, and a plurality of vanes extending the outer housing to the center portion. The outer housing is coupled to a downcomer pipe and includes an extending flange. A draw bolt threadedly engages an axial bore in the center portion, and connects the downcomer pipe coupling to the sparger T-box clamp. The sparger T-box clamp includes an anchor having a draw bolt opening, and a plurality of legs extending from a face of the anchor. Clamp blocks are connected to the anchor. Stop bolts extend through stop bolt openings in the clamp blocks. Clamping elements are connected to the clamp blocks by clamp bolts. A seal plate having a draw bolt opening is coupled to the anchor with a plurality of adjusting screws.

Abstract: A shroud connection device for replacement core spray piping systems in a boiling water reactor includes replacement pipe, first and second coupling devices, and a rod. The pipe has a spherically shaped end, and includes a penetration extending through it from an inside portion to an outside portion. The first coupling device has first and second ends, the first end being dimensioned so as to receive the spherically shaped end of the pipe, and the second end abutting an outside portion of the shroud. The second coupling device has third and fourth ends, the third end abutting an inside portion of the shroud. The rod extends between the second coupling device and the penetration in the pipe.

Abstract: A system of elements for the formation of pipelines in units for channeling and distributing a gaseous or liquid fluid that is under pressure or under vacuum. The pipelines are created starting from an extruded section pipe with a four-sided cross section having at least one central longitudinal hole and gripping elements along the corners of its walls. A joint which can be inserted tightly into the hole of consecutive section pipes makes possible their connection with the transmission of fluid. A fixing clamp is mounted on the adjacent ends of the consecutive pipes and engages with the gripping elements to mechanically lock the pipes among one another.

Abstract: A locking grate for a floor sink includes a screen member having holes dimensioned to allow the passage of liquid but prevent the passage of solid waste and a mounting hole, a threaded member dimensioned to extend through the mounting hole, and a locking member which is adapted to be engaged by the threaded member. According to a presently preferred embodiment, the threaded member is a screw having a non-standard or atypical head which requires a non-standard or unusual screw driver. The locking member includes a tube which is orthogonally engaged by the screw and which has at least one rod slideably disposed therein. The tube and the rod are arranged such that when the screw engages the tube, the screw forces the rod to slide partially out of the tube. The end of the rod which extends out of the tube is preferably provided with a surface which frictionally engages the inner wall of the floor sink drain pipe.

Abstract: A gas distribution connector and a gas distribution manifold assembly are provided for gas burners for a gas stove. The gas distribution manifold assembly includes an elongated gas distribution manifold defining a gas distribution chamber. The gas distribution manifold includes a first aperture formed in a first wall and a second aperture formed in a second wall. At least one gas distribution connector is mounted on the gas manifold. The gas distribution connector includes a connector body defining a gas passageway including a gas inlet and a gas outlet. The connector body includes a downwardly depending connector body portion slidingly received through the first manifold aperture and extending within the manifold chamber, locating the gas outlet within the manifold chamber. The downwardly depending connector body portion includes mounting means for mounting engagement with a fastener received through the second manifold aperture.

Abstract: A steam outlet assembly comprises a metal tubular portion within which steam passes when the assembly is in use. A plastics steam nozzle extends through apertures in the tubular portion which are spaced apart circumferentially therearound. The plastics nozzle is provided with a transverse through-bore in the tubular portion interior opening out at a head end and/or a screw-threaded end of the nozzle, outside the tubular portion. The nozzle is provided with seals means around apertures on the outside of the tubular portion.

Abstract: A passage communication member is fitted in a first passage in a structural member, and has a head which is mounted in a slot in another structural member. The first passage in the structural member and a passage in the other structural member are held in communication with each other through a through hole that is defined in the passage communication member. Alternatively, a first engaging member is inserted in a recess defined in a structural member, and a second engaging member is retained in a slot in another structural member. When the first and second engaging members are coupled to each other by a fastening member, the structural members are firmly joined and fixed to each other.

Abstract: A pipe repair apparatus includes first and second housings that are bolted together to form a closed conduit extending between the ends of the housings. This conduit is shaped to received a pipe to be repaired. A first seal is mounted in the housing to seal against an outer circumferential surface of the pipe, and a second seal is mounted to extend around the conduit at an end of the housings to seal the housings against a wall extending outwardly from the pipe. A retainer is coupled to the housings to clamp the second seal against the wall. This retainer can include a threaded rod that passes through the housings or a spring that biases the housings toward the wall. The disclosed pipe repair is well suited for repairing a supply pipe in an internal core spray system of a nuclear reactor. This pipe repair forms a permanent repair that structurally replaces the pipe and welds being repaired. It is well suited for remote installation with minimal as-built information and in a minimal time.

Abstract: A sintered metallic filtering element in the form of a porous metallic tube is provided with a connecting fitting by forming the tube with an internal surface in the form of an internal truncated cone of circular cross section at one end of the tube, the internal truncated cone having a vertex half angle .alpha. greater than zero. The connecting member of the invention includes a truncated cone shaped head of circular external cross section having a vertex half angle .alpha. which is the same as the vertex half angle .alpha. of the internal truncated cone of the tube. The head of the connecting member is disposed inside the porous metallic tube and cooperates with the internal truncated cone. The connecting member also includes a tubular extending member attached to the smaller end of the head, with the tubular extending member extending beyond the porous metallic tube.

Abstract: A port mounted fluid control valve construction (18) is mounted to a pneumatic cylinder (10) through the first port (31) and second port (37) of the cylinder. The construction includes a removable valve body portion (22) which is detachable from a manifold portion (20). A tube (34) extends from the manifold portion to an adapter body (36). The manifold portion includes a first inlet (42) which extends to a first outlet (50) through a first passage (52). An ear (44) extends in the first passage. A spud fitting (100) which includes cutouts (110) which enables fluid to pass therethrough, is mounted in the first port of the cylinder. The spud fitting includes a threaded opening which accepts a fastener (102). The fastener extends through ear (44) and holds the manifold adjacent the cylinder. The adapter body includes first aperture (122) which is in fluid communication through the adapter body with the tube. A second spud fitting (100') is mounted in the second port of the cylinder.

Abstract: The problem of sealing a communication bore (56) in a port plate (40) is solved with a self-sealing transfer tube assembly (52). The transfer tube assembly (52) includes a coupling element (64) which is received in a supply bore (60) which intersects the communication bore (56). A relatively small window (78) is provided in the coupling element to provide hydraulic communication between the transfer tube assembly (52) and the port plate porting area (48), while its solid side wall (68) otherwise seals the outer portion of the communication bore (56).

Abstract: A slide rail hose assembly is provided with a plurality of swivel joint assemblies each of which are suspendable from carriages which are movable along a rail. Each swivel joint comprises a pair of fittings which are pivotably mounted to a centrally disposed suspendable seal plate. The seal plate is removably suspended from the carriages. Sections of hose are releasably connectable to the fittings of each swivel joint, with hose sections extending between and connecting adjacent swivel joints. The slide rail hose assembly can be readily extended to its maximum length and can be easily retracted into a compact orientation with the swivel mounting of the fittings preventing entanglement of the hose sections.

Abstract: Apparatus providing a weld-free joint for intersecting pipes or tubes within a conduit system includes conduit means defining a first flow path extending in one direction and further conduit means defining a second flow path extending in a second direction which intersects said first flow path and has a releasable connection with said first conduit means embodying therein sealing means operative to preserve the integrity of said first flow path. In a preferred embodiment of the invention the releasable connection includes tubular means at least a portion of which intersects and bridges said first flow path and has a cross sectional dimension less than that of the cross sectional dimension of the interior of said conduit means which defines said first flow path.

Abstract: Temperature control apparatus comprising a system of conduits or pipes at least a portion of which are perpendicularly related and connected by means accommodating the movement therethrough of heat exchange fluid feature interconnecting means which are free of weldments. In a preferred embodiment of the system so provided, at least a portion of the conduits or pipes are embodied as integral parts of upright and/or horizontal members fabricated of heat conductive material. The preferred material of said conduits or pipes and the members of which they form a part is aluminum. The interconnecting means include elements which have a plug-like form and embody one or more passages for flow therethrough of the heat exchange fluid.

Abstract: A device for controlling the temperature of rooms in a building comprising curtain walls having a skeleton made up of columns and horizontal members to which facade elements and, if required, window surfaces are secured so as to be substantially free from heat bridges, comprising a temperature-control facility substantially in the form of a pipeline system in which a heat transfer fluid flows, said pipeline system being constructed and arranged to dispose inside the room and adjacent the skeleton of columns and horizontal members and relative to the skeleton so as to produce a thermal coupling between the skeleton and the temperature control facility. In certain applications the temperature control facility is disposed at a relatively short distance from and in facing relation to the skeleton in an arrangement producing a close radiation coupling between the skeleton and the temperature control facility.

Abstract: A device for flushing a drain pipe of a sink by applying water under pressure to the interior of the pipe. A conduit for passing water therethrough under pressure is connected to a seal which fits over the mouth of the pipe and provides a water tight seal. At least two L-shaped members having threaded portions extend through the seal and engage an anchor point in the mouth of the pipe. A disc extends transversely between and interconnects the L-shaped members, and the conduit extends through a control aperture in the disc. Pressure is exerted on the conduit when nuts mounted on the threaded portions of the L-shaped members are urged against the disc to bring the seal into sealing engagement with the pipe. An apertured locking member is firmly secured to and interconnects the L-shaped members at a point between the location of the nuts on the L-shaped members and the ends of the L-shaped members opposite from the anchor point.