Abstract: A fluid display includes a fluid source, a gas source, and a light source. The fluid source coherently emits fluid along a first trajectory. The gas source emits gas along a second trajectory that intersects the first trajectory. The light source is directed toward the intersection of the first trajectory and the second trajectory. The second trajectory may intersect the first trajectory at an oblique angle. The fluid source and/or the gas source may emit intermittently. The fluid source may emit a laminar jet or spherical fluid globules. The gas source may intermittently emit a gas vortex. The gas may be a flammable gas. The fluid may be water and the gas may be air. The fluid display may provide a “water sparkler” effect.

Abstract: Underwater LED lights with enhanced cooling to allow the use of substantial numbers of high power LEDs. In all embodiments, the majority of the heat given off by the LEDs is transferred to the housing of the underwater light by heat transfer techniques other than by convection of the air or other gases within the enclosure, providing direct heat conveyance from the LEDs to or through the light enclosure walls, by conduction through a thermal conductor or by or as augmented by heat pipes to the inside wall of the enclosure or through the wall of the enclosure to the water. Various embodiments are disclosed.

Abstract: A water balloon packaging unit and methods are provided. The water balloon packaging unit includes a packaging structure for receiving filled water balloons. The packaging structure is transitionable between a finished state and an unfinished state. In the finished state, the packaging structure and filled water balloons form the packaging unit. The water balloons are held by the packaging structure in a tight cluster by virtue of a vacuum seal implemented on the packaging structure.

Abstract: A method and apparatus for controlling the motion of a cable-driven autonomous moored profiler. The profiler includes one or more buoyant members for buoying the profiler in the fluid, a winch, and a feedback controller for controlling the winch. The winch includes a spool, a device providing for varying rates of turning of the spool, and a flexible cable for winding onto and unwinding from the spool. A first end of the cable is carried by the profiler. The controller monitors an indication of the tension in the cable and controls the device in response thereto.

Abstract: A decorative water display provides a laminar water bell. A gas burner may be provided inside the laminar water bell to produce a decorative flame. A laminar nozzle having an outlet arranged to eject a laminar jet of water upwardly in a substantially vertical direction may strike an impactor suspended directly above the outlet of the laminar nozzle such that the laminar jet of water forms the laminar water bell. Alternatively, a vertical pipe may supply water to a thin annular region between two plates such that water flowing between the two plates assumes a generally laminar flow characteristic and forms the laminar water bell when ejected from between the two plates. Alternatively, a hemispherical nozzle may have a slot arranged to eject a sheet of water upwardly to form a segment of the laminar water bell.

Abstract: An apparatus for providing pressure into which a patient must exhale is provided. The canister has a canister axis and is disposed to hold liquid. The canister also has indicia of pressure on the canister. The apparatus also includes a substantially rigid lid disposed to substantially cover a mouth of the canister and having a first inlet through the lid. The apparatus also includes an adapter in the first inlet. The apparatus also includes a conduit being retained by the adapter such that the conduit is substantially immovable relative to the canister axis.

Abstract: An adjustable airway pressure system is provided. The system may include a cap and a canister. The cap may include a substantially hollow conduit having indicia indicative of a plurality of airway pressure values and adapted to receive and output exhaled gas. The conduit may have screw threads on an exterior surface of the conduit. The cap may also include an adjust collar circumscribing the conduit and having an interior surface with a second plurality of screw threads. The second plurality of screw threads may couple and be complementary to the first plurality of screw threads such that a rotation of the adjust collar causes the conduit to move in a substantially vertical direction. The conduit may be adapted to be adjusted to heights along a continuum. The canister may contain liquid and receive the conduit such that the received exhaled gas is output from the conduit into the liquid.

Abstract: A multimedia presentation system a projector to project images toward an audience. A plurality of nozzles are partially submerged in a body of water at locations between the projector and the audience. The plurality of nozzles are located at different distances from the projector. Each of the plurality of nozzles is arranged to produce a fan like water mist onto which the projector projects images. A controller is coupled to the projector and the plurality of nozzles. The controller causes the projector to project images and at least one of the plurality of nozzles to produce a water mist in a synchronized sequence such that the images appear at different distances from the projector at different times. The controller may further control the orientation of each nozzle to vary the distance by inclining the plane of the water mist relative to the surface of the body of water.

Abstract: A fluid vortex display device includes a cylindrical vessel sealed at an upper end. A first fluid inlet is coupled to the cylindrical vessel adjacent a lower end of the vessel and directed at a substantial angle to an outer circumference of the cylindrical vessel. A discharge outlet of a pump is coupled to the fluid inlet. A closure is coupled to the lower end of the vessel. The closure includes a fluid outlet that is substantially spaced apart from a central longitudinal axis of the vessel. The closure may project into the cylindrical vessel to create an annular space adjacent the fluid inlet. The fluid outlet may be in the upper surface of the closure, which may not be perpendicular to the central longitudinal axis of the vessel. A support stand may support the vessel such that it is not perpendicular to a level foundation surface.

Abstract: An ice display device includes a chill tube and a piston that slides within the chill tube providing a fluidtight seal against the interior. The tube is filled with water and cooled to form an ice column. A shutter may selectively close the upper end of the chill tube with a fluidtight seal while the ice column is formed. The tube is warmed and the piston is lifted to an upper end of the tube to display the ice column. A plurality of water nozzles may selectively discharge streams of high pressure water inwardly to sculpt the ice column. An armature may extend upwardly from the piston to support and cool an interior of the ice column. The tube and armature may be cooled and warmed by a thermal transfer fluid. A device may be provided to induce turbulence in the thermal transfer fluid.

Abstract: A packet (1) of washing machine detergent is disclosed, in the form of a non-woven fabric bag, possibly pre-treated to act as a dye absorber, containing a pre-measured amount of powder product comprising detergent proper with the addition of at least one among the following substances: sanitiser, perfume, descaler and bleach.

Abstract: A respiratory circuit apparatus and circuit are provided. The circuit includes: an adapter having a plurality of connectors of two or more different internal or outer diameters; and a pressure release valve configured to emanate sound if a pressure of a gas received at the pressure release valve is greater than or equal to an activation pressure of the pressure release valve. The pressure release valve can have a first end of a body portion coupled with one of the plurality of connectors of the adapter. The pressure release valve can be coupled inline in the respiratory circuit via the adapter and in close proximity to a patient location.

Abstract: The present invention is uniquely engineered and provides water treatment devices for treatment of water in a small community or individual who are out of reach of access to safe water for domestic use, reach of adequate resources and reside in rural setting. Water treatment device of the invention are flexible, light weight and have high capacity.

Abstract: A submersible gas burner includes a pilot burner, a closed gas reservoir, and a first and second main burners. The pilot burner has a pilot burner tube with a closed upper end, an open lower end and a pilot gas inlet adjacent the upper end. The pilot burner provides a downwardly directed pilot flame. The closed gas reservoir has an upper end, a lower end, and a main gas inlet above the lower end. The main burners are coupled to the gas reservoir with upper ends adjacent the pilot burner and opposing lower ends coupled to the gas reservoir. The lower end of the first main burner is further from the lower end of the gas reservoir than the main gas inlet while the lower end of the second main burner is closer to the lower end of the gas reservoir than the main gas inlet.

Abstract: A fluid display includes a fluid source, a gas source, and a light source. The fluid source coherently emits fluid along a first trajectory. The gas source emits gas along a second trajectory that intersects the first trajectory. The light source is directed toward the intersection of the first trajectory and the second trajectory. The second trajectory may intersect the first trajectory at an oblique angle. The fluid source and/or the gas source may emit intermittently. The fluid source may emit a laminar jet or spherical fluid globules. The gas source may intermittently emit a gas vortex. The gas may be a flammable gas. The fluid may be water and the gas may be air. The fluid display may provide a “water sparkler” effect.

Abstract: A system for manually connecting decorated panels in a self-standing display. The panels have kerfs in the side edges and are decorated with photographic or graphic images that are sublimation printed on the panels. The panels are joined by inserting the leaves of hinges into the kerfs where they are held by friction fit. Hinges may be removed and additional panels added to augment the display.

Abstract: A process for producing hydrogen from bio-oxidisable material is disclosed herein. The process comprises the steps of—introducing the bio-oxidisable material into a reactor provided with an anode and a cathode optionally separated by a cation exchange membrane and containing anodophilic bacteria in an aqueous medium;—applying a potential between the anode and cathode 0.05 and 1.5 volt, while maintaining a pH of between 3 and 9 in the aqueous medium; —collecting hydrogen gas at the cathode. The hydrogen production process can be intermittently switched to an electric power generation stage (biofuel cell) by adding oxygen to the cathode and separating the anode and cathode spaces by means of a cation exchange membrane.