Abstract: An air massage system of air jets for injecting pressurized air into bathtubs. Each air jet has a hollow body component and an inlet fitting between which is housed a unidirectional fluid flow device. The outlet end of the jet is mounted directly to the hidden surface of the bathtub wall over an air flow opening in the wall, by means of a flange on the hollow body with recesses for holding an adhesive for securing the air jet to the bathtub wall. The flange has an annular seat with blades extending radially outwardly from the seat defining recesses for holding adhesive. The flange has holes between the blades for introducing the adhesive in the recesses. The inlet ends of the air jets are connected to air distribution piping. The air jet has an annular seal between the upstream side of the mounting flange and the inlet fitting.

Abstract: A pressure swing adsorption process for the separation of a pressurized feed gas containing at least one more strongly adsorbable component and at least one less strongly adsorbable component.

Abstract: A system and method for remotely monitoring and/or controlling an apparatus and specifically for remotely monitoring and/or controlling an alarm. The alarm monitoring and control system allows the combination of alarm and lamp monitoring and control functions in a single monitoring and control unit. Furthermore, it allows image data to be collected at either the alarm unit or the monitoring and control unit when an alarm condition is detected. Additionally in accordance with another embodiment, it allows the alarm condition to be generated by a panic button.

Abstract: A process for the purification of a gaseous hydrogen flow containing one or more gaseous impurities from the group consisting of carbon monoxide, water vapor, nitrogen, H2S, chlorine, C1-C3 light alcohols, ammonia, carbon dioxide and linear, branched or cyclic hydrocarbons, saturated and unsaturated, C1-C8. The hydrogen flow is placed in contact with a porous carbonated adsorbent having an adsorption limit volume (W0) and an energy parameter of (E0) according to the Dubinin relationship, such that: 0.18 ml.g−1≦W0≦1.50 ml.g−1 and 15 kJ.mole−1≦E0≦45 kJ.mole−1. The porous carbonated adsorbent is selected from active carbons. The gas rich in hydrogen is a reforming gas, an electrolysis gas, a gas from ammonia cracking or from alcohol cracking.

Abstract: The present invention is directed to improved flexibilized, plasticized polyvinyl chloride films bonded with a substrate by means of an aqueous based pressure sensitive acrylic adhesive emulsion polymers. Conventional emulsion based pressure sensitive adhesives were comprised of a copolymer comprised of polymerized units of acrylic esters and ethylenically unsaturated monomers, the copolymer having a Tg of from −15 to −70° C. The improvement in the aqueous based, emulsion polymerized pressure sensitive adhesives resides in the incorporation of polymerized units of a vinyl C8-13 ester of a neo-acid into the adhesive. The vinyl ester is formed from a mixture of propylene oligomers and such vinyl ester is represented by the chemical formula: C8-13H7-27CO2CH═CH2. Preferably, the adhesive includes units of methyl methacrylate, butyl acrylate of 2-ethylhexyl acrylate and a carboxylic acid selected from acrylic acid or methacrylic acid.

Abstract: A single bed pressure swing adsorption process with at least one transfer tank is utilized to separate less adsorbable components from more adsorbable components such as the separation of oxygen from air. Depressurization gas is collected in the transfer tank and is used later exclusively for purging the bed during the regeneration period.

Abstract: This invention relates to a dual crosslinkable polymer/crosslinking system particularly suited for use in preparing high quality nonwoven products. The polymeric binders incorporate at least two different but reactive functionalities, i.e., hydroxy and carboxyl, and which are capable of reacting with two other multifunctional reactants, i.e., polyaldehydes and aziridines, each of which reacts with at least one of the functionalities present in the polymer. This selection of reactive functionality coupled with the selection of crosslinking agents permits ambient temperature cure.

Abstract: Method for separating a pressurized hydrocarbon mixture containing at least a more volatile component and a less volatile component. The method comprises (a) cooling and partially condensing the hydrocarbon mixture to yield a first hydrocarbon vapor and a first hydrocarbon liquid; (b) work expanding at least a portion of the first hydrocarbon vapor and introducing it into a distillation column at a first column location; (c) reducing the pressure of the first hydrocarbon liquid and introducing it into the distillation column at a second column location; and (d) withdrawing an overhead vapor enriched in the more volatile component from the distillation column; cooling, partially condensing, and separating the overhead vapor to provide a condensed overhead liquid and an uncondensed vapor overhead, introducing the condensed overhead liquid into the distillation column as reflux, and withdrawing from the bottom of the distillation column a stream enriched in the less volatile component.

Abstract: A single car tester including a housing having a hanger to mount the housing to a car coupler or ladder of the car. Various configurations of valves and sensors are described to perform a single car test. The controller includes a program for uniquely performing the required tests.

Abstract: A layer of mixed-resistance structured packing includes: a first structured packing having a first packing resistance; and a second structured packing generally horizontally adjacent the first structured packing, the second structured packing having a second packing resistance different than the first packing resistance. The layer of mixed-resistance structured packing is used in exchange columns for exchanging heat and/or mass between a first phase and a second phase in processes such as cryogenic air separation. Use of the layer of mixed-resistance structured packing reduces HETP (height equivalent to a theoretical plate) in the exchange columns and processes. A method also is provided for assembling the layer of mixed-resistance structured packing in an exchange column.

Abstract: A system management tool (10) includes an input system (12). An electronic library (14) is connected to the input system (12) and includes a process diagram (16) for modeling a system. An evaluation system (18) is connected to the electronic library (14). A corrective action system (20) is connected to the evaluation system (18). An assessment and analysis system (22) is connected to the corrective action system (20). The assessment and analysis system (22) measures and documents a corrective action.

Abstract: The tracking of moving vehicles over long distances without emitting illumination signals is accomplished with a narrowband passive differential tracking system. Instead of Providing especially designed radar transmitters in a bistatic radar system, illuminators of opportunity (which may include UHF and VHF television station) are selected by their geographic locations so that they are in proximity to a moving target. The Doppler-shifted target reflected signals from the illuminators of opportunity are converted into digital data and combined with the independently derived initial target location and used to update the target's position and velocity by correlating the Doppler-shift with geographic coordinates. The correlation can be accomplished with a tracking algorithm which was designed for use in data processing of the signal processing system of the narrowband passive position tracking system.

Abstract: A specially cut uncoated birefringent crystal having three Brewster-cut faces with adjacent coated Brewster-cut coupling prisms are used for optical frequency conversion. Two input frequencies are used to obtain a third frequency by sum-frequency generation. The uncoated birefringent crystal permits high power input beams.

Abstract: An oriented heat shrinkable film includes a layer including a multicomponent ethylene/alpha-olefin interpenetrating network resin having a melt index less than 1.4, the resin including a homogeneous component having a melt index of less than 1, and a density of at least 0.91 grams/cubic centimeter, and a heterogeneous component with a melt index of between 1.5 and 20; the film having a haze value (ASTM D 1003-95) less than or equal to 5, a peak load/mil value (ASTM D 3763-95a) of at least 155 newtons/mil, and a free shrink (ASTM D 2732-83) at a temperature of 200° F. of at least 8% in either or both of the longitudinal and transverse directions. Films with substantially balanced free shrink are preferred, in particular those with a free shrink balance of less than or equal to 30%. Advantages in downgauging and/or mechanical properties are provided without substantially adversely affecting properties such as free shrink and optics.

Abstract: A hose support system for a rail car having a support which includes a flat strap having first and second ends and a tongue connected to the first end of the strap and extending along the strap towards the second end of the strap. A connector at one end of the strap is positioned in a car aperture and a connector at the other end of the strap is positioned in a hose aperture. A resilient element connects the loop at one end of the strap to its connector. A clasp is adjustably positioned on the strap between the ends of the strap and adjusts the length of the strap between the ends. The tongue extends through the clasp. At least one of the connectors may include a loop and a throat extending substantially tangential to the loop. Alternatively, one or more of the connectors may include a spiral. A bearing ring separates the connector and the strap.

Abstract: This invention provides water-based compositions which are essentially free of hydrocarbon solvents, particularly coating, ink, fountain solution, adhesive and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of certain tartrate diester compounds of the structure where R1 and R2 are C4 to C6 alkyl groups.

Abstract: To prevent a decrease in capacity of a compressor, and to decrease the quantity of oil contained in discharged gas, and to decrease the quantity of oil discharged to an outside of the compressor. In a screw compressor in which a screw rotor is supported by a low-pressure side bearing and a high-pressure side bearing in a rotor casing and the screw rotor and a driving motor are connected to each other by a coupling, and a drain oil passage is provided to return oil having lubricated the high-pressure side bearing to a low-pressure gas suction side through a through hole formed in a center of the screw rotor, a throttle mechanism is provided in the drain oil passage to inject the oil.

Abstract: An Aircraft Ground Power Unit (“AGPU”) is a mobile vehicle, preferably self-propelled, on which is mounted an enclosure. Within the enclosure are a number of subsystems, each of which provides a service required by a stationary aircraft for servicing and diagnostic testing prior to flight. Such services include electrical power, hydraulic power, engine-start capability (bleed-air), conditioned air (hot or cold) for the aircraft's equipment recesses or interior, and nitrogen to inflate struts and operate power tools. The control, status, configuration, and automation of all of the subsystems contained within the enclosure are consolidated under computer control. The enclosure and the subsystems contained therein can be readily mounted on and dismounted from the vehicle.