Abstract: Provided is an amorphous silicon solar cell module including a solar cell encapsulant containing a metal deactivator and silane-modified polyethylene, and a metal material adjacent to the solar cell encapsulant and having at least one selected from copper, a lead-free solder alloy and a silver film.

Abstract: A device containing a solar cell is provided in the form of a stacked package that has a planar arrangement of conductive laminates at or below the surface of a heat sink. The planar alignment allows placement of electrical connections below the surface of the heat sink and reduces the vertical profile of the device, making it easier to be hermetically sealed. In specific embodiments the solar cell substrate is embedded within the heat sink during the manufacturing phase, eliminating the need for a thermally conductive substrate between the solar cell and the heat sink.

Abstract: A stacked package for a solar cell is provided with a planar arrangement of conductive laminates on the surface of the heat sink. The layered conductive laminate offers multi-directional orientation of the solar cell within the package by eliminating any orientation requirements between the chip and the substrate, and offers multiple options for placement of standard or flipped bypass diodes. The packaged solar cell of the invention provides a smaller horizontal and vertical profile than standard solar cell packages, making it easier to hermetically seal the package.

Abstract: A device containing a solar cell chip that may include a hermetically sealed chamber containing optical matching fluid and a threaded pedestal mounting to allow for replacement of solar cell units and that are easily mountable to a master heat sink.

Abstract: A solar cell having a flat cell substrate, which is transparent in the spectral region of visible light and in at least a partial range of the infrared spectral region, and having a cell structure situated on a surface of same, wherein, on the surface of the cell substrate carrying the cell structure, a bifunctional or multifunctional layer is applied which is transparent in the range of visible light, and has an infrared-reflecting and a contacting function.

Abstract: Solar energy collection assemblies comprising a surface structured polyurethane layer. The structured polyurethane layer includes a cross-linkable reaction mixture and at least one UV stabilizer. The cross-linkable reaction mixture includes a polyol, a polyisocyanate and optionally a catalyst.

Abstract: A solar module includes a photovoltaic device that has an edge seal. The sealant composition of the edge seal includes an unsaturated or reactive polyolefin, an olefinic polymer, a silane modified polyolefin, inert fillers, a water scavenger or desiccant, an antioxidant, and a UV stabilizer. These components are balanced to produce a sealant having desirable sealing characteristics, high weatherability, desired rheology, low conductivity, and good thermal stability.

Abstract: An edge seal for manufacturing two-pane or multi-pane insulating glass or solar modules includes a sealant and a bonding agent. The sealant contains a polymer modified with special reactive groups and has the following overall composition: olefinic polymers included in an amount from about 10% to about 90% by weight of the total composition; at least one filler included in an amount from about 10% to about 65% by weight of the total composition; at least one inorganic filler that is a thermal and oxidative stabilizer in an amount from about 2% to about 30%; at least one of a desiccant and a water scavenger included in an amount from about 2.5% to about 25% by weight of the total composition; and at least one aging resistor including an anti-oxidant or UV stabilizer included in an amount from about 0% to about 3% by weight of the total composition.

Abstract: An organic thin film solar cell including: a pair of electrodes of a first electrode (32) and a second electrode (34); an active layer (50) placed between the pair of electrodes; an insulation film stacked substrate (10) including a substrate (12) containing a metal or an alloy having heat conductivity higher than 10 W/m.K and lower than 500 W/m.K and an insulation film (14) provided on the substrate; and a sealing layer (60) placed between the insulation film of the insulation film stacked substrate and either one of the pair of electrodes, suppresses deterioration of electrical properties.

Abstract: A method for fabricating a crystalline silicon photovoltaic cell is disclosed. In one aspect, the method includes a) providing a crystalline silicon substrate of a first dopant type, b) performing an implantation, thereby introducing dopants of a second type opposite to the first type at a front side of the crystalline silicon substrate, c) after the implantation, depositing a hydrogen containing layer on the front surface of the substrate, and d) after depositing the hydrogen containing layer, performing a thermal treatment, thereby electrically activating the dopant of the second type.

Abstract: Provided are a glass sheet for a CIGS solar cell which satisfies both of high power generation efficiency and high glass transition temperature, and a CIGS solar cell having high power generation efficiency. A glass sheet for a Cu—In—Ga—Se solar cell containing, in terms of mol % on the basis of the following oxides, 60 to 75% of SiO2, 3 to 10% of Al2O3, 0 to 3% of B2O3, 5 to 18% of MgO, 0 to 5% of CaO, 4 to 18.5% of Na2O, 0 to 17% of K2O, and 0% or more and less than 10% of SrO+BaO+ZrO2, wherein K2O/(Na2O+K2O) is 0 to 0.5, and the glass sheet has a glass transition temperature (Tg) of more than 550° C.

Abstract: A household water reservoir includes a reservoir body having a water inlet, a water outlet, and a water chamber communicating between the water inlet and the water outlet. The water inlet is operatively connected to a water inflow of the household water piping system. The water outlet is operatively connected to a water outflow of the household water piping system. Accordingly, the water chamber is adapted for reserving a predetermined amount of water when the water flows from the water inlet to the water outlet, in such a manner that the reservoir body enables the water being stored in the water chamber in fresh by keeping the water moving from the water inlet to the water outlet during daily water usage.

Abstract: A concentrate container for preparing a medical fluid, preferably for preparing a dialysis solution, is provided, the concentrate container including at least two concentrate compartments, wherein at least one of the concentrate compartments has a medical fluid outlet, and at least one of the concentrate compartments has a diluent inlet. Further, systems for preparing a medical fluid and a method for preparing a medical fluid are described.

Abstract: A direct metering fuel supply system includes a fuel pump, a burn flow fuel line, a servo flow fuel line, and a servo regulator. The fuel pump is adapted receive pump commands representative of a commanded fuel flow rate and is configured, in response to the pump commands, to discharge fuel at the commanded fuel flow rate. The burn flow fuel line is in fluid communication with the pump to receive a first portion of the fuel discharged therefrom. The servo flow fuel line is in fluid communication with the pump to receive a second portion of the fuel discharged therefrom. The servo regulator is mounted on the servo flow fuel line and configured to maintain fuel flow rate in the servo flow fuel line at a substantially constant fuel flow rate regardless of fuel flow rate in the burn flow fuel line.

Abstract: A self-contained breathing closure for flasks and other containers that require gas exchange. An illustrative embodiment of the closure is comprised of a splashguard, an adaptor for attaching the closure to the container, a bellows element and a gas-permeable barrier element. The splashguard is intended to keep liquid contents under vigorous agitation in the container without wetting the gas-permeable barrier. The adaptor couples the closure to the container in a secure fashion. The bellows element allows for repeated changes in the internal volume of the container-closure system. The gas-permeable barrier allows desired gases to enter and leave the container while excluding small particles and/or microorganisms. The technology may be used with existing glass flask technology, or coupled to a plastic flask that may be configured for either single-use, or multiple-use.

Abstract: A method of generating a series of successive marked parcels of water in a water distribution network (12) fed by at least one water source (16) supplying water continuously, the method being characterized in that it includes: a step of measuring at least one first physico-chemical parameter of water from the source; a step of comparing the variation of the first parameter and a predetermined threshold; a step of defining parcels of water (L1, L2, L3, L4) during which each parcel of water is constituted by the volume of water supplied by the source between a first time and a second time later than the first time, the second time being determined automatically so as to correspond to a time at which said at least one measured first parameter is subject to a variation greater than the predetermined threshold; a step of acquiring and storing a natural evolution of the measured first parameter between the first and second times; and a step of natural marking of said parcel of water that consists in associating sai

Abstract: Apparatuses, systems, and methods for loading and/or unloading a substance into or from a sorption media. A substance is presented at an edge of the sorption media, which comprises parallel layers of a sorption material. To load (i.e., via absorption and/or adsorption) the substance into the sorption media, heat is transferred away from the sorption media, a loading voltage is applied to the sorption media, and/or a pressure is increased relative to the sorption media. To unload the substance from the sorption media, heat is transferred into the sorption media, a voltage of an opposite polarity from the loading voltage is applied to the sorption media, and/or a pressure is decreased relative to the sorption media. In some embodiments, the sorption media includes surface structures that may load molecules of the substance.

Abstract: A valve with a shuttle for use in a flow management system includes a spill port and bypasses a backflow.

Abstract: An airflow control system for controlling pressure and flow through a flow passage with an upstream portion and a downstream portion includes a valve which can open to different positions for controlling pressure at a downstream portion of the flow passage; a valve actuator which receives electrical signals to control the opening and closing of the valve; and a pneumatic feedback system to stabilize the valve actuator.

Abstract: A supersonic inlet employs relaxed isentropic compression to improve net propulsive force by shaping the compression surface of the inlet. Relaxed isentropic compression shaping of the inlet compression surface functions to reduce cowl lip surface angles, thereby improving inlet drag characteristics and interference drag characteristics. Supersonic inlets in accordance with the invention also demonstrate reductions in peak sonic boom overpressure while maintaining performance.

Abstract: The present invention improves upon a pop-up drain stopper of the type which is controlled by a horizontal pivot rod as is typically used in bathroom sinks, through incorporation of a new snap-in method for attachment of the stopper to the pivot rod whereby the stopper can be easily and quickly removed and reinstalled as is normally required to clear a clogged drain. The present invention is installed by inserting the stopper into the drain opening with the bottom connecting bracket channel opening positioned over the pivot rod and applying downward pressure forcing the pivot rod to pass through the narrow channel and snap into the connecting bracket journal. Transversely, by pulling upward, the stopper is disengaged from the pivot rod and can be quickly removed from the drain opening allowing for convenient and efficient extraction of drain clogs without the necessity of disassembling the mechanical components located under the sink as is required to remove the typical pop-up stopper.

Abstract: A brake modulator is disclosed herein. The brake modulator includes, but is not limited to an electronic-brake-control-modulator portion including a processor and a hydraulic portion associated with the electronic-brake-control-modulator portion. The hydraulic portion includes a primary circuit extending through the hydraulic portion to receive hydraulic brake fluid. The hydraulic portion also includes a secondary circuit extending within the hydraulic portion to receive the hydraulic brake fluid. The secondary circuit is in fluid communication with the primary circuit. The hydraulic portion further includes a valve between the primary circuit and the secondary circuit. The valve is electronically actuatable and controls movement of fluid between the primary circuit and the secondary circuit. The processor is operatively coupled to the valve and configured to perform an automatic cycling of the valve in response to an actuating event during assembly of the vehicle to evacuate the secondary circuit.

Abstract: A locking drain device for a floor drain comprises a top strainer, a cylindrical middle section having spreadable sides with slits in them, a frustoconical spreader, and a locking bolt, such that, when the spreader is drawn against the spreadable sides of the cylindrical middle section by tightening the locking bolt, the cylindrical sides will be spread to frictionally engage against the internal surface of a drain pipe to prevent inadvertent removal of the floor drain.

Abstract: A drain or ducting adjustment system may include a plurality of shims to elevate or space a cover from a flange or base portion of the drain or ducting. Each shim may have a recess proximate its top end to receive the cover or a higher shim and engagement means such as a lip or threading to receive the base portion or a lower shim. Shims may be of various heights. Additionally, one or more shims may allow for an angled offset between the recess and lip, in the event that the base portion of the drain or ducting is not parallel to the ultimate substrate height. Preferably, the base of the recess and lip are generally parallel to their respective end surfaces and the recess and lip are generally cylindrical such that adjacent shims may be rotationally adjusted relative to one another to achieve a desired offset angle.

Abstract: An apparatus and method are disclosed for controlling fluid flow in a motor vehicle transmission. At least one friction engagement device is fluidly coupled to a first pump, and a lubrication and cooling sub-system is normally fluidly coupled to a second pump. Illustratively, when a flow rate of the fluid in the first fluid passageway is less than a threshold fluid flow rate, a temperature of the fluid is greater than a temperature threshold and a fluid flow demand is greater than a fluid flow demand threshold, fluid flow from the second pump to the lubrication and cooling sub-system is blocked and fluid supplied by the second pump is instead directed to the at least one friction engagement device such that fluid is supplied by both the first and second pumps only to the at least one friction engagement device.

Abstract: A high pressure mechanical safety valve (1), of the type comprising a body (2) housing elastic means (3) acting on a shutter element (4) normally maintained in a closing position when the pressure in a high pressure area beyond an aperture (6) is lower than the pressure, settable to a fixed calibration value, exerted by the elastic means (3). The safety valve comprises mechanical means for remote control of the valve, interposed between the elastic means (3) and the shutter element (4) to allow both a forced opening or a forced closing of the valve (1) The safety valve may also comprise an optional position sensor for signalling the open or closed status of the valve.

Abstract: This invention relates to a system for diverting water to improve ground water supplies. The system involves collecting stormwater from hard surfaces, such as roads and pavements, and diverts the stormwater to the landscape underground, including below the road and pavement, where the water may be used for passive irrigation. More specifically, the invention relates to a water diversion system for utilizing stormwater runoff to passively irrigate plants. The system comprises a receptacle for receiving and containing a volume of stormwater runoff, and having an outlet for enabling contained stormwater to flow out of the receptacle. The system further comprises distribution means connected to the outlet of the receptacle for communicating stormwater from the receptacle to a soil profile below the level of the pavement for access by a plant, thereby irrigating the plant. The system also comprises a filter for removing solid particulates from the stormwater entering the distribution means.

Abstract: The Grey Water Processing and Distribution System is a self-contained fully functional grey water collection, processing and dispersing system that runs on grey water collected from internal grey water sources and supplies filtered water to the house's landscaping irrigation system as well as filtered and sanitized flush water to the house's toilets and washing machine for usage and requires standard local power. It incorporates a unique self-cleaning fine screen filter system. The central digital control unit monitors and runs the various system components and manages the house's landscaping irrigation system. The digital control unit also makes sure that the toilets are never without flush water and protects the irrigation system against under and over watering. The internal and external plumbing also allows for the system to be completely bypassed in the event of power failure or the introduction of undesirable contaminants into the grey water source stream.

Abstract: An apparatus includes a processing apparatus that processes raw material in an airtight state, an accommodation section that accommodates the raw material, a first feeding path that is provided outside the processing apparatus and receives the raw material from the accommodation section, and a second feeding path having upstream and downstream ends that are outside and inside the processing apparatus, respectively. The second feeding path receives the raw material from the first feeding path. The apparatus also includes a joint section that separates and joins the first path and the second path, and a closing section that is positioned in the second path closer to the processing apparatus than the joint section and maintains the processing apparatus, and the second path in an airtight state when the joint section separates the first path and the second path.

Abstract: Provided herein are methods for the modulation of appearance or material properties within items of apparel or equipment. Also provided herein are design articles having alterable designs. Generally, such design articles comprise (1) a microfluidic circuit, and (2) an inlet and an outlet, the alterable design capable of being modulated through use of a docking system to deliver fluid to the microfluidic circuit.

Abstract: Devices for conveying fuel are known having a conveying assembly and a pump holder holding the conveying assembly which has a receptacle for the conveying assembly and a holder connected to the receptacle via three damping elements. The damping elements damp the structure-born noise transmission from the conveying assembly to the adjacent components. The damping elements each have a cantilever section which projects starting from the receptacle into the region of the holder and runs in the radial direction and circumferential direction. The cantilever sections are designed as elastic spring arms, the axial deflection thereof in respect of a pump axis being able to exceed a maximum allowable value by means of external acceleration forces. The mechanical stresses occurring in the spring arms can lead to damage to the spring arms.

Abstract: An arrangement for transferring fuel from one or more secondary tanks (12) to a main tank (11), including: a main tank (11), one or more secondary tanks (12), a venturi tube (20) situated close to the main tank (11) and each of the secondary tanks (12). A return line (17) leads surplus fuel back from the fuel-consuming unit (14) to the main tank (11). The return line (17) is divided into as many secondary return lines (18) as the total number of tanks including secondary tanks (12) and the main tank (11). Transfer of fuel from the respective secondary tanks (12) and the main tank (11) to the ancillary space (13) takes place by means of venturi tubes (20) arranged along the secondary lines (18).

Abstract: A duct system has at least one duct for communicating air or fluid within a building and a plurality of openings along the top of the duct along the central axis. An ingress pipe is coupled to the openings along the top of the duct along the central axis, A plurality of openings are also provided along the bottom of the duct along the central axis of the duct.

Abstract: The present invention generally relates to emulsions, and more particularly, to multiple emulsions. In one aspect, multiple emulsions are formed using a plurality of channels, such as microfluidic channels, that meet at a common intersection. The multiple emulsions may be created at a single common intersection in some embodiments, unlike other prior art systems where multiple channel intersections are required to create multiple emulsions. For instance, in one set of embodiments, three, four, or more microfluidic channels may intersect at a common intersection, with two or three serving as inlets and one serving as the outlet. In some embodiments, a first fluidic channel may be relatively hydrophobic, while a second fluidic channel is relatively hydrophilic. The third channel, if present, may be relatively hydrophilic or hydrophobic, depending on the application.

Abstract: A portioned system for preparing a nutritional liquid product comprising a liquid supply device (2, 41) and a container (4, 38) containing nutritional ingredients; said container having an opening (8), the system further 5 comprising a liquid injection interface (9, 37) for supplying an amount of liquid in the container (4, 38) thereby providing the nutritional liquid product, wherein the liquid injection interface (9, 37) comprises a liquid inlet (11, 43) and a product outlet (16, 48) for removing the nutritional liquid product from the container wherein the liquid injection interface comprises a wall (10) extending 10 transversally relative to the opening of the container during the operation of the system; said transversal wall (10) comprising the liquid inlet (11, 43) and the product outlet (16, 48) which are transversally distant one another along the said wall.

Abstract: There is disclosed herein a suicide prevention door handle and shower handle wherein each is designed to eliminate any area or structure that could be used to hold a belt, piece of clothing or the like as an aid in committing suicide by hanging. In each case, the safety knob comprises a tapered rose member or faceplate along with a cylinder wedge assembly or handle.

Abstract: A fluid system comprises a pressure vessel with a baffle oriented at a skew angle. The baffle divides the vessel into first and second volumes. A first port is provided to introduce a pressurizing fluid into the first volume, and a second port is provided to circulate a working fluid within the second volume. A purge aperture is provided to purge the pressurizing fluid from the second volume across the baffle into the first volume, and a flow aperture is provided to transfer the working fluid through the baffle between the first and second volumes.

Abstract: A volume accumulator (15), including a guide housing (33) and a separating element (34), wherein the separating element (34) is slidably mounted on an inner lateral face of the guide housing (33). At least one indentation (41) is located on the guide housing (33), with the indentation protruding into the guide housing (33), wherein in the direction of the separating element (34) the indentation (41) has an open end that serves as a stop for the separating element (34). A volume accumulator (15), including a guide housing (33) and a separating element (34), wherein the separating element (34) is slidably mounted on an inner lateral face of the guide housing (33). At least one indentation (41) is located on the guide housing (33), with the indentation protruding into the guide housing (33), wherein in the direction of the separating element (34) the indentation (41) has an open end that serves as a stop for the separating element (34).

Abstract: A volume accumulator (15), including a guide housing (33), a separating element (34) and a spring element (35). The separating element (34) is slidably mounted on an inner lateral face of the guide housing (33) and the spring element (35) is seated against the separating element (34) on one side and on the guide housing (33) on the other side. According to the invention, at least one indentation (47) is provided on the guide housing (33), with the indentation protruding into the guide housing (33). In the direction of the spring element (35), the indentation (47) has an open end against which the spring element (35) is seated.

Abstract: A sealing clamp 1a for sealing at least one opening in a fluid line, said sealing clamp 1a comprising a pair of opposed jaws 2a, 3a connected to one another and movable between a clamping position and a non-clamping position; a handle 7a, 8a extending from each said jaw 2a, 3a for moving the jaws 2a, 3a between the clamping position and the non-clamping position; a biasing mechanism 6a for moving the jaws 2a, 3a to the clamping position; and at least one sealing member 4a associated with at least one said jaw 2a for sealing said opening when the jaws 2a, 3a are in the clamping position.

Abstract: A repair device may include a cured-in-place liner having a modification to prevent adhesion of the liner adjacent to an opening in a pipe during the curing process and where a fire activated device has previously been installed/located. The liner may also soften and give way under specific time/temperature exposure that permits an existing fire-stop device to function properly and as designed in a fire event while preventing that device from deploying prematurely and/or by failure of the existing strap, fitting and/or other design deficiency.

Abstract: A modular pipe repair enclosure system includes first and second enclosure portions, and an enclosure attachment device. The first and second enclosure portions create an enclosure around the pipe for covering leaks. The enclosure has three openings for accommodating the pipe. The first and second openings are arranged at an angle of 180 degrees with respect to each other, and at an angle of 90 degrees with respect to the third opening, such that a straight line section of pipe may be accommodated by the first and second openings, an elbow section of pipe by the first and third openings, and a T-section of pipe by the first, second, and third openings. The system may further include a blank, for closing one of the openings, for use with a straight or elbow section, and a sleeve, for reducing the inner diameter of an opening, for accommodating pipes of different diameters.

Abstract: A dielectric structure (10) for an electric wire or cable, presenting an inner hollow cylindrical body (2) and an outer hollow cylindrical body (3), said bodies (2, 3) being coaxial and being connected together by a plurality of spacers (4a, 4b, 4c, 14). The main characteristic of a dielectric structure is that each spacer (14) is constituted by a first curved wall (15) and by a second curved wail (16) that is curved in the opposite direction relative to a radial plane interconnecting the two bodies (2, 3), the walls (15, 16) having at least one intersection zone (17), two successive spacers (14) being in contact with each other.

Abstract: An extrudable polyvinyl chloride composition comprising from 80 to 99.9 percent by weight polyvinyl chloride for use in extruding a first part and a second part, wherein a fusion joint between the first extruded part and the second extruded part is formed by: A) composition at least a portion of a first terminal edge of the first extruded part and a first terminal edge of the second extruded part; B) engaging the melted terminal edges; and C) maintaining pressure between the engaged terminal edges to create a fused joint having a strength that is at least 50% of the tensile strength of the extruded part as measured by ASTM D638-2a. The extruded parts can be pipe sections.

Abstract: To provide a hose for transporting a refrigerant, a butyl rubber layer 7 is formed on outer periphery of a tubular resin layer 1, which is in contact with a refrigerant, and an ethylene-propylene rubber layer 8 is further formed on the outer periphery thereof. The resin layer 1 is composed of a material that contains, as a main component, a mixture of a polyamide resin and a modified polyolefin elastomer, a skin layer 6 is formed only on an inner peripheral surface of the resin layer, and tensile modulus (A) of the skin layer 6, tensile modulus (B) of the resin layer 1 excluding the skin layer 6, tensile modulus (C) of the butyl rubber layer 7, and tensile modulus (D) of the ethylene-propylene rubber layer 8 satisfy the relationship that is defined by the following formula (?): (A)>(B)>(C)>(D)??(?).

Abstract: A fuel hose according to an aspect of the present disclosure includes: a tubular inner rubber layer; a resin layer formed on an outer circumferential surface of the inner rubber layer; and an outer rubber layer formed on an outer circumferential surface of the resin layer, wherein the inner rubber layer includes a rubber material containing the following Components (A), (B) and (C), the outer rubber layer includes a rubber material containing the following Components (A?), (B) and (C?), and the resin layer includes a resin material containing the following Component (X) as a main component: (A) acrylonitrile-butadiene rubber, (A?) blend rubber containing acrylonitrile-butadiene rubber and acrylic rubber, (B) a sulfur vulcanizing agent, (C) an amine catalyst to form bonding points, (C?) an amine catalyst to form bonding points, which contains 1,5-diazabicyclo(4.3.0)non-5-ene salt (DBN salt), and (X) tetrafluoroethylene-perfluoro(alkylvinylether)-chlorotrifluoroethylene copolymer.

Abstract: A medicinal liquid preparation assist system according to the present invention includes a medicine bottle weight measurement unit having a first weight measurement portion for measuring the total weight of medicine bottles placed on a medicine bottle mounting portion; an infusion bag weight measurement unit having a second weight measurement portion for measuring the weight of an infusion bag placed on an infusion bag mounting portion; a storage unit; a control unit for producing auditing information based on changes in weight measured by the medicine bottle weight measurement unit and the infusion bag weight measurement unit, and storing the produced auditing information in the storage unit; and an information presentation unit for displaying at least one of information about medicinal liquids to be injected into the infusion bag, the information being stored beforehand in the storage unit, and the auditing information stored in the storage unit by the control unit.

Abstract: Methods of loading an expandable intraluminal medical device into a delivery device adapted for delivery of the expandable intraluminal medical device to a point of treatment in a body vessel are described. The expandable intraluminal medical device can be compressed and forced out of a loading apparatus—and into a delivery device—by applying one or both of a rotational force and a substantially translational force to an end of the loading apparatus. Related kits and apparatuses are also described.

Abstract: A device is described that overlays a first fluid, such as blood or a cellular suspension onto a base material, such as a Ficoll liquid density gradient. In some embodiments, the fluid layering device includes a cylindrical reservoir, a fluid barrier, a coupling extension, one or more helical channels in fluid communication with the reservoir, and an exhaust vent. The fluid layering device can be coupled through its coupling extension to an open end of a container, such as a conical centrifuge tube, including the base material. Once attached, the device regulates flow of the first fluid from the reservoir into the conical tube so that a suitable overlay is formed without substantially disturbing a surface of the base material, regardless of the care and skill of the user.

Abstract: This invention relates to a kit of parts (1), comprising top plates (2), gable cover plates (3), gable structures each comprising a nozzle boot, side cover plates, and side structures (4) each comprising a nozzle boot (5), which kit of parts (1) is suitable for assembling a nozzle module according to any one of three configurations. The invention also relates to a fuel dispensing unit for refueling vehicles.