Abstract: A shield is used in combination with a wall having an outer surface and formed with a throughgoing hole having an edge and with a plumbing fixture almost entirely recessed behind the wall surface and having a control part projecting forward through the hole past the surface. The shield is elastically deformable waterproof and is formed unitarily with a cup-shaped body generally surrounding the plumbing fixture and with an annular bellows-type cuff surrounding the control part and having a rear edge unitarily joined to the body and a front edge fixed to the wall surface at the hole edge. The plumbing fixture also has a laterally projecting connection nipple behind the wall adapted to be mated with a pipe behind the wall and the body is formed with a laterally throughgoing orifice fitted tightly around the nipple. Furthermore the shield is unitarily formed with an annular flange projecting laterally from the front edge of the cuff and fixed to the wall surface at the hole edge.

Abstract: An adapter is insertable into an existing fluid line system at a quick connector coupling joint. The adapter has a male section, which is configured to connect to the female connector body of the quick connector coupling, and a female section, which is configured to receive the male member of the existing quick connector coupling. A middle section disposed between the male and female members houses functional elements desired to be added to the fluid line. One such element is a check valve which allows flow in only one direction through the fluid line.

Abstract: According to a further aspect of the present invention there is provided a coupling comprising a male coupler and a female coupler including means for allowing transmission of fluid pressure between the couplers on the mating of the couplers, a first annular seal positioned in a recess in the body of the female coupler to provide a seal between the male and female couplers and extending around the periphery of the male coupler, an outer retainer engageable with the body of the female coupler, and inner retaining means supported by the outer retainer to maintain the first seal in position on withdrawal of the male coupler from the female coupler, the outer retainer accommodating a second annular seal which seals against and around the periphery of the male coupler, and the inner retaining means serving to keep the second seal in position.

Abstract: A break away hose coupling for use in conjunction with a vapor recovery nozzle and for application within a fuel line, that prevents untimely decoupling, that only decouples upon the exertion of a pre-determined amount of tension, while preventing unnecessary leakage of fuel and vapors, while being fully reconnectable. The coupling includes a pair of fittings, for connecting to the fuel line, a sleeve for housing the fittings, and each fitting incorporating a check valve to provide for closure of the fluid flow passage and closure of the vapor flow passage when decoupling occurs, a fluid chamber providing for flow of fluid and a vapor return passage, internal of the fluid flow passage, allowing vapor recovery in a concentric line. The device is pressure compensated to eliminate the effects of line shock.

Abstract: An undersea hydraulic coupling including a male member and a female member, each of the members having a poppet valve biased to a closed position. At least one of the members has a bleed passage through the poppet valve and a bleed valve which opens to allow hydraulic fluid at high pressure to escape through the bleed passage until the pressure is below a predetermined amount.

Abstract: The present invention is directed to a coupling assembly for dispensing cryogenic fluids, The coupling assembly includes an upstream terminus coupled to a source of cryogenic fluid and a downstream terminus connected to a container for receiving the cryogenic fluid. A poppet valve assembly is disposed at the upstream dispensing terminus. This poppet valve assembly is mechanically operated to be opened and closed. A second poppet valve assembly has a downstream terminus which is coupled to a receiving tank for the cryogenic fluid and an upstream terminus for coupling with the first poppet valve assembly. The second poppet valve assembly is opened and closed through overcoming the pressure of a spring by the pressure of the cryogenic fluid being transferred and the release of the cryogenic fluid pressure, A threaded wheel mounted on the first poppet valve assembly mates with a threaded portion on the second poppet valve assembly to connect and disconnect the two parts of the coupling.

Abstract: The high cost of providing a heavy duty radiator is minimized in a radiator having a core and tank assembly 22 including a heat exchanger core 24, a pair of spaced headers 26, 28, a pair of spaced side pieces 34 on each side of the core 24, and a pair of tanks 36, 38 secured to respective ones of the headers 26, 28. A separate rectangular frame is provided for the core and tank assembly 22 and is made up of two each of first and second channels, 10, 12; 14, 16 with the first channels 10, 12 being substantially identical and the second channels 14, 16 being substantially identical. The first channels 10, 12, are disposed at opposite ends of the core and tank assembly 22 and encompass corresponding ones of the tanks 36, 38 while the second channels 14, 16 fit about the side pieces 34 and tightly embrace the same to provide pressure resistance.

Abstract: An undersea hydraulic coupling having a poppet valve movable between an open and a closed position is disclosed. The poppet valve operates without substantial fluid pressure exerted axially against the face of the poppet valve. When the poppet valve is opened, radial passages are interconnected through an annular cavity between the poppet valve body and the valve bore.

Abstract: An adjustable telescoping downspout which can be laterally or vertically adjusted to a preferred position, extended longitudinally or retracted upwardly to an inoperative position. The two-piece trough is attachable to the downspout in a turret-like arrangement and requires no tools or hardware. The trough further includes a flow diverter at the distal end thereof for diverging and deflecting the water flow in a fan-shape to reduce the likelihood of soil erosion. The flow diverter can either be integrally formed with the trough, or provided as a separate member which can be selectively attached to the distal end of a trough. The diverter member includes a plurality of diamond-shaped protrusions for directing water flow over the side edges of the diverter member and which has a tongue-shape.

Abstract: A sewer chimney system for stabilizing and protecting a chimney pipe interconnecting a service pipe and a main sewer line includes a base for bridging a main sewer line, the base having a hole for accommodating the chimney pipe rising from the main sewer line; a hollow casing vertically mounted on the base and having a lower open end aligned with the hole in the base for receiving the chimney pipe; and having an upper open end for receiving fill about the chimney pipe, the case including a lateral hole for receiving a service pipe for interconnection with the chimney pipe, and a device for attaching the hollow casing to the base for securing it during filling of the casing and during backfilling around the casing.

Abstract: A siphon pump system for pumping water from a water source to a supply destination. The system includes a holding canister through which the water flows, and a first timing bucket associated with the holding canister for controlling the admission of air into the system to thereby permit flow of water contained within the holding canister. A lower flow control chamber is provided adjacent the outlet from a long, second siphon conduit extending from the holding canister to control the refilling of the holding canister in an automatic manner and without the need for connections with a source of electrical power.

Abstract: A winterizing system (10) for underground sprinkler systems which can be newly installed during the sprinkler system installation, or can be utilized as a retrofit design, having a single valve means (13) and a drive shaft (19) to allow winterization completely from the exterior of building structure (50). Drive shaft (19), which may be flexible for most retrofit installations, is mounted such that it is accessible from the exterior. Upon manipulation of drive shaft (19) inlet port (14) and drain port (16), with connected drain line (24), can be opened and closed by a technician without entrance into building structure (50). Additional features include backflow prevention devices, tamper-proof drive shaft keys, and special connectors.

Abstract: An undersea hydraulic coupling have a pair of hollow metal seals which are pressure energized to seal between the male and female members of the coupling. One of the hollow metal seals is configured to expand radially while the second hollow metal seal is compressible along the longitudinal axis of the coupling. These seals provide a fluid tight sealing arrangement upon pressurization of the coupling, without the need for external pre-load devices.

Abstract: A valve assembly includes a receptor valve assembly and an insert valve assembly each defining a normally closed fluid passage. The insert and receptor valve assemblies each include a valve activation structure engageable with one another and having corresponding helical grooves and splines for opening the receptor and insert valve assemblies upon engagement of the valve activation structures and rotation of the insert valve assembly relative to the receptor valve assembly wherein their respective fluid passages are interconnected. The insert and receptor valve assemblies are configured to provide substantially no fluid passage therebetween when closed, thereby providing little or no spillage of fluid when disconnecting the insert and receptor valve assemblies.

Abstract: The present invention is concerned with a quick-acting gate valve for installation on intake and exhaust openings of ventilation systems, in particular, of rapid railway vehicles, comprising a frame containing at least one passage slot provided with an adjustable closure element which relative to the passage slot can be placed into closed and open positions by a servo drive controlled in response to air pressure. In order to permit actuation of a quick-acting gate valve of this type substantially in a friction-free manner during opening and closing, the valve, in the practice of the invention, is so designed that the edges laterally confining the at least one passage slot relative to the in-flow direction are of a convex curvature. Behind the edges, the closure element is designed and arranged in the form of a similarly convex yet lesser curved leaf spring, the length of which corresponds at least to the length of the convex-curved edges of the passage slot.

Abstract: A permanent magnet, proportional solenoid valve having a suspended armature which is separated from two opposing pole pieces by two normally unequal gaps having a collectively constant dimension. The magnetic field originating from the magnet extends through the gaps and is used to bias the armature to a position at which the valve is normally closed.

Abstract: A sealing mechanism for a pair of conduits held together by means of one or more frangible connectors. Each conduit has a pivoted disc-shaped butterfly valve which is spring biased to a closed position. The butterfly valves are normally held open by a flat pivoted spacer, and are released when the frangible connectors are broken and the valves move away from the spacer. A mechanism for positively closing and latching the butterfly valves in a closed position is included in the valve assembly. The valves and the spacer together form a thin flat co-planar assembly when the valves are in their open position so as to minimize turbulence in the fluid passing through the conduits thereby reducing resistance to fluid flow to an absolute minimum.

Abstract: An automatic control valve has a main valve member moveable between open and closed positions thereof in response to pressure applied to a first piston or diaphragm in a first control chamber. The valve member moves to modulate flow through the valve to maintain desired flow conditions. Pilot pressure signals are generated to reflect the flow conditions, usually upstream and downstream from the valve, which signals are processed to generate a control signal which is fed to the first control chamber to control pressure therein. Normal movement of the valve produces wear which causes leakage of the diaphragm or seals oft he piston causing loss of primary control of the valve member which tends to fail "open". This causes an initial rise in flow through the valve which is detected by the pilot pressure signal but because of the leakage, is unable to correct.

Abstract: Automatically resetting mechanical valve is used to control unwanted discharge of liquids less dense than water, principally oil, which may be present in waste water flows. The valve is closed by the sinking of a primary flow which closes a primary orifice, and the floating of a secondary float which closes a smaller secondary orifice. The primary float is less dense than water but more dense than oil. The secondary float is less dense than both oil and water. When the primary float becomes sufficiently immersed in oil, the primary float sinks and effectively closes the primary orifice in an outlet conduit. In the event of evaporation or removal of liquid from the valve, the (smaller) secondary orifice automatically opens, thereby allowing hydrostatic pressure inside and outside of the outlet conduit to equalize. Upon reintroduction of water to the device, the primary float unseats and the valve automatically re-opens.

Abstract: A timed watering system for lawns, gardens, and the like, utilizing a flow actuated timer valve. The system is configured to provide a reliable and cost effective, easily implemented system for automatically dispensing a pre-determined amount of water on the area to be watered, with the valve shutting off the flow automatically once the desired amount of water has flowed through the valve. The present system can also be installed directly into the water system by municipal authorities or the like as a means of controlling the use of water and preventing waste of same. Upon reaching the predetermined maximum amount, flow to outdoor faucets would cease, and could not be re-initiated until the end of the month, when the meter is read and the valve re-set. This design may also be utilized in a reverse flow configuration, wherein the backflow pressure initiates closure of the valve, allowing for automated filling of tanks, or preventing damage to equipment to excessive pressure or lack of adequate flow.