35th week of 2008 patent applcation highlights part 4 |
Patent application number | Title | Published |
20080202113 | Tandem Pump Unit - The present invention provides a tandem pump unit that includes: a first hydraulic pump and a second hydraulic pump respectively having a first pump shaft and a second pump shaft respectively having adjacent ends connected together so that the first and second pump shafts are coaxially aligned and non-rotatably connected in tandem; a common housing for accommodating the first hydraulic pump and the second hydraulic pump; and a first center section and a second center section that respectively support the first and second hydraulic pumps. | 2008-08-28 |
20080202114 | Micro Heat Engine And Method Of Manufacturing - The present invention relates generally to micro heat engines (MHEs) and methods of manufacture. More particularly, the present invention relates to an MHE including a substrate having a sealed microchannel for operatively containing a liquid droplet within the microchannel and a thermal bridge for providing a heat source or heat sink to the microchannel. The MHFE also includes a piezoelectric sensor responsive to a pressure change within the microchannel to induce voltage across the piezoelectric sensor and a power output. | 2008-08-28 |
20080202115 | Machine and integrated hybrid drive with regenerative hydraulic force assist - A mechanical-hydraulic machine and an integrated hybrid drive with a regenerative force assist for eliminating pumps and intensifiers and reducing the energy consumption, operating costs, investment costs, weight and size of machines and improving their performance. The integrated hybrid drive is comprised of common mechanical and hydraulic components. The regenerative hydraulic force assist converts gravitational and deceleration forces of the machine into fluid pressure, stores the fluid pressure and applies the fluid pressure to clamping of dies or molds and/or performing machine operations. A closed loop control system controls the flow of fluid between the hydraulic drive and regenerative force assist. | 2008-08-28 |
20080202116 | Method and Apparatus for Improving the Operation of Positive Displacement Expanders - A linear or rotary positive displacement expander ( | 2008-08-28 |
20080202117 | Element of an Exhaust Line Provided With a Turbocompressor - This exhaust line element for a supercharged heat engine comprises an exhaust manifold ( | 2008-08-28 |
20080202118 | Diesel engine system with exhaust gas recirculation - A diesel engine system includes a diesel engine, a throttle valve, an EGR (Exhaust Gas Recirculation) path, an EGR valve and a controller. The throttle valve controls a flow rate of intake air to the diesel engine. Exhaust gas is recirculated along the EGR path from an exhaust port to an intake port of the diesel engine. The EGR valve controls a flow rate of the exhaust gas. The controller controls the throttle valve and the EGR valve such that an opening of the throttle valve decreases and an opening of the EGR valve increases when a load of the diesel engine increases. The controller controls the EGR valve such that the opening of the EGR valve increases after the opening of the EGR valve is held constant for a first predetermined holding time. | 2008-08-28 |
20080202119 | Method of combining wastewater treatment and power generation technologies - Applicant's preferred embodiment utilizes municipal wastewater effluent to replenish a depleted geothermal field. Condensate produced by expanding steam produced in the geothermal field through a steam turbine-generator may be pooled with cooked water collected from said field, and then directed through a penstock from a higher elevation to a lower elevation where further energy is extracted through a traditional hydroelectric turbine-generator. The cooked water and condensate may be treated to produce potable water and/or distributed for public consumption either before or after being directed to the hydroelectric turbine-generator. The effluent is pumped up to the geothermal field during off-peak periods of electric consumption, and the hydroelectric generation is accomplished during periods of peak electric demand. A fraction of the effluent may be used as cooling water for the steam turbine-generator and its associated condenser before injection into the geothermal field. At least a portion of the pipeline to transport the wastewater effluent is preferably routed along an undisturbed riverbed and/or through an excavated tunnel. | 2008-08-28 |
20080202120 | Device Converting Themal Energy into Kinetic One by Using Spontaneous Isothermal Gas Aggregation - Device converting thermal energy into kinetic energy, related to the group of machines based on four-phase basic thermodynamic cycles. It uses rarefied gas in a novel three-phase cycle, of which the first phase is a spontaneous isothermal gas aggregation ( | 2008-08-28 |
20080202121 | Internal Combustion Engine with an Injector as a Compaction Level - The internal combustion engine includes a burner ( | 2008-08-28 |
20080202122 | ARRANGEMENT WITH A TWIST-LOCK COUPLING FOR A TURBOMACHINE COMBUSTION CHAMBER - The invention relates to an arrangement for a turbomachine combustion chamber, the arrangement comprising a chamber end wall pierced by at least one opening, an injector system, and a deflector mounted on the downstream side of the chamber end wall in the opening by means of an annulus, said injector system including a pinch ring mounted on the upstream side and fastened against the annulus with the pinch ring and the annulus together defining a groove, and a bowl mounted in the opening, the bowl being made up of at least two distinct parts, at least a first part forming an end plate suitable for sliding radially in the groove, and a second part forming a bowl collar that is provided with a collar extending parallel to the chamber end wall on its downstream side, said first and second bowl parts being fastened together by means of a twist-lock coupling. | 2008-08-28 |
20080202123 | System and method for oxygen separation in an integrated gasification combined cycle system - An integrated gasification combined cycle power generation system ( | 2008-08-28 |
20080202124 | Transition support system for combustion transition ducts for turbine engines - A transition duct support system for a transition duct that channels hot gases from a combustor exit to a gas turbine inlet of a turbine engine. The transition duct support system includes a transition support frame formed from a body positioned around a transition duct body at an outlet transition section. The transition support frame may include a first inner surface aligned with and positioned proximate to portion of the outlet transition section that is positioned at an oblique angle relative to the outer wall of the transition duct body to limit linear movement of the transition duct body in a first direction. The transition support frame may also include a second inner surface positioned at an oblique angle to limit linear movement of the transition duct body in a second direction opposite the first direction. | 2008-08-28 |
20080202125 | Packaged Small-Duct, High-Velocity Air Conditioner and Heat Pump Apparatus - A packaged small-duct, high-velocity air conditioning and heat pump apparatus has a compact construction that facilitates its incorporation into a building structure and its connection with a small-duct, high-velocity air distribution system. The compact construction of the apparatus is achieved by a novel arrangement of a refrigerant fluid compressor, a condenser coil, an evaporator coil, expansion valves, a reversing valve, a hot water coil, a condenser fan, an evaporator fan, and control systems for the condenser and evaporator in a single enclosure that can be easily mounted in a wall of a structure to provide heating and air conditioning to the interior of the structure. | 2008-08-28 |
20080202126 | FISH FRIENDLY LNG VAPORIZER - The new liquefied natural gas (LNG) vaporizer uses seawater as a heat source for vaporizing in a fish friendly manner. The vaporizer provides environmental benefits. | 2008-08-28 |
20080202127 | Cooling System for Superconducting Power Apparatus - A cooling system for a superconducting power apparatus including a reservoir tank for reserving a liquefied gas, a circulating pump, a heat exchanger for cooling the liquefied gas, and a circulation loop through which the liquefied gas is circulated, the superconducting power apparatus being cooled by circulating the liquefied gas in a subcooled state using the circulating pump. The cooling system further includes a pressurizing mechanism for pressurizing the liquefied gas in the reservoir tank with the same type of gas as the liquefied gas, wherein a liquid level in the reservoir tank for reserving the liquefied gas in a pressurized state is located above an outlet of a return piping of a circulating liquefied gas at least by a dissolving depth of the pressurizing gas+(plus) a liquid level movement correction amount. | 2008-08-28 |
20080202128 | Eutectic Plate - An eutectic plate comprising: a housing containing a coolant, and a thermochromic material that undergoes a thermochromic transition at a predefined temperature. | 2008-08-28 |
20080202129 | METHOD OF AND WATER-IMPERMEABLE SHEET FOR ICE RINKS - A method for increasing the ability of a water surface to cool and freeze is disclosed. The method includes the steps of providing a substrate surface adapted to support a layer of ice, and providing a water-impermeable flexible sheet on top of the substrate surface which supports the flexible sheet, the sheet including at least first, second and third layers. The first layer includes a heat reflective coating for reflecting heat transmitted from the substrate back into the substrate, a second or middle layer which may be an insulative layer, and a third or uppermost layer including a non-reflective coating to reduce heat absorption, and providing a layer of water or ice on top of the water-impermeable flexible sheet whereby the flexible sheet enhances or lowers the temperature of the water on the surface by reducing the temperature transmission through the substrate surface and the upper surface or layer providing non-reflective properties to reduce heat transmission therethrough. | 2008-08-28 |
20080202130 | Reversing Auger System - A method and apparatus for producing a chilled or partially frozen beverage is provided. The system includes a beverage hopper ( | 2008-08-28 |
20080202131 | System and Method for Controlling Defrost Cycles of a Refrigeration Device - Methods, systems and computer readable code for controlling a defrost cycle of a refrigeration device are disclosed. According to some embodiments, a defrost command is issued to a defrost heater at a time determined at least in part by a total wasted energy parameter of the compressor for at least one time interval. In some embodiments, time interval includes a plurality of runtimes, and the total wasted energy parameter of a runtime is measured relative to a chosen reference runtime such as a minimum energy runtime after a defrost or an early runtime after a defrost. Optionally, a sequence of wasted energy parameters of the compressor for a sequence of time intervals is analyzed, and then a correction is performed on at least one wasted energy parameter. | 2008-08-28 |
20080202132 | Method For Producing a Composite Material For Electrodes - The invention relates to refrigeration using a thermochemical system based on the coupling of two reversible physico-chemical phenomena between a gas and a solid or liquid sorbent, one at low temperature (the LT phenomenon) and the other at a higher temperature (the HT phenomenon). | 2008-08-28 |
20080202133 | METHOD FOR COOLING DRINKS AND BEVERAGES IN A FREEZER AND REFRIGERATOR USING SUCH METHOD - A method for cooling a bottle in a freezer compartment of a refrigerator includes sensing the temperature of a zone of the freezer in which the bottle is placed, estimating the temperature of the bottle on the basis of the compressor status and of the sensed temperature of the zone, and informing the user when the estimated temperature of the bottle has reached a set value. The method can also be used for an automatically adjusted “shock freezing” process for any kind of food. | 2008-08-28 |
20080202134 | Algorithm for activation of directed relief system from vehicle accelerometers during crash - A method of venting a refrigerant from an air conditioning system of a vehicle during a crash to mitigate leakage of the refrigerant into a cabin of the vehicle by crashing a test vehicle under a first set of predetermined conditions a number of crash events and measuring deceleration and determining the existence of leakage. The number of crash events in which leakage existed is divided by the number of crash events to establish a probability of leakage ratio. The test vehicle is crashed under a second set of predetermined conditions to determine a second probability of leakage ratio. A probability of leakage relationship is established correlating the probability of leakage ratios and the predetermined conditions. A deceleration relationship is established correlating the deceleration measurements and the predetermined conditions. A deceleration of the vehicle is sensed to determine a probability of leakage from the probability of leakage relationship and the refrigerant is vented in response to the probability of leakage exceeding a predetermined threshold. | 2008-08-28 |
20080202135 | Air conditioner energy saving unit and system using same - An energy saving apparatus and system for air conditioning and heating systems that is adapted for easy retrofit into already built rooms. A shut off apparatus for air conditioning systems utilizing standard dependable components. The apparatus may have a sensor for sensing open doors and windows and a timing portion that will shut off power to an air conditioner after a period of time. | 2008-08-28 |
20080202136 | Refrigerator Unit and/or Freezer Unit - The invention relates to a refrigerator unit and/or a freezer unit having a space for the reception of the refrigerated goods or frozen goods, having a fan which removes air from the space, blows air into the space or circulates the air in the space and having a control unit connected to the fan which controls the fan for the purpose of influencing the temperature distribution such that it is operated in one rotary direction in a first operating state and in the other rotary direction in a second operating state. The invention further relates to a method of operating a refrigerator unit and/or a freezer unit. | 2008-08-28 |
20080202137 | Air conditioner - The air suction mode can be switched among the inside air mode in which the air sucked by the battery cooling blower | 2008-08-28 |
20080202138 | LOW PROFILE MARINE AIR CONDITIONER - A low profile, self-contained air conditioning unit for a nautical vehicle comprises a base pan, an air handler, a substantially horizontal compressor and a second heat exchanger. The air handler comprises a first heat exchanger with a medium conduit for channeling a refrigerating medium, an air moving apparatus within a shroud. The shroud includes a front wall having an air outlet and a rear wall having an air inlet and the first heat exchanger is located adjacent to the air inlet of the first wall. The second heat exchanger has an inner tube and an outer tube. The inner tube circulates water and the outer tube is in fluid communication with the medium conduit, coaxially encloses a substantial portion of the inner tube, and has an inlet and an outlet. The compressor and the second heat exchanger are adjacent to the air handler and the second heat exchanger is above the compressor. | 2008-08-28 |
20080202139 | Vehicle Environmental Conditioning System and Method - An air conditioning system for a vehicle includes a climate control system for selectively heating and cooling ambient air in a passenger compartment of the vehicle. One or more fans cooperate with the climate control system and are configured to draw air from the passenger compartment to expel air to the exterior of the vehicle. One or more devices are provided in proximity to the passenger compartment to detect a variety of conditions of the air in the passenger compartment. The one or more devices selectively signal a controller to activate and deactivate the one or more fans prior to an occupant entering the vehicle. The controller may activate the one or more fans to draw air from the passenger compartment based on detection of predetermined conditions in response to input from the one or more devices. | 2008-08-28 |
20080202140 | High Side Pressure Regulation For Transcritical Vapor Compression System - An expensive expansion device may be eliminated in favor of a less expensive pressure regulator in a CO | 2008-08-28 |
20080202141 | Refrigerator and evaporator mounting structure therefor - A refrigerator having a mounting structure to firmly fix an evaporator to the refrigerator. In the refrigerator including an evaporator and a cover to be coupled with the evaporator, the evaporator includes first fixing portions to be coupled with the cover and the cover includes second fixing portions to correspond to the first fixing portions. The evaporator and the cover are coupled with each other by the first and second fixing portions without separate fasteners. | 2008-08-28 |
20080202142 | System and Method for Detecting Ice - A system for detecting ice of a particular thickness includes a structure from which ice forms, and an ice detection assembly movably secured to the structure. The ice detection assembly includes a transducer operatively connected to a sensing medium. The transducer generates a trapped acoustic wave in the sensing medium, wherein ice of a particular thickness is detected when the ice that forms from the structure contacts the sensing medium and dampens the trapped acoustic wave within the sensing medium. | 2008-08-28 |
20080202143 | REFRIGERATOR - In the related art refrigerator, its structure for supplying water to a dispenser and water tank was complicated. In addition, since an icemaker is installed in a refrigerating chamber of the refrigerator, there is a problem in that the water supplied into the icemaker is frozen. Furthermore, if the icemaker is installed in the freezing chamber of the refrigerator in which the refrigerating chamber is formed at a lower portion thereof and a refrigerating chamber is formed at an upper portion thereof, there is another problem in that it is difficult to control the temperature in the refrigerating chamber or ice-making capability of the icemaker is lowered. | 2008-08-28 |
20080202144 | REFRIGERATOR - In the related art refrigerator, its structure for supplying water to a dispenser and water tank was complicated. In addition, since an icemaker is installed in a refrigerating chamber of the refrigerator, there is a problem in that the water supplied into the icemaker is frozen. Furthermore, if the icemaker is installed in the freezing chamber of the refrigerator in which the refrigerating chamber is formed at a lower portion thereof and a refrigerating chamber is formed at an upper portion thereof, there is another problem in that it is difficult to control the temperature in the refrigerating chamber or ice-making capability of the icemaker is lowered. | 2008-08-28 |
20080202145 | Refrigerator having reinforced receiving device - A refrigerator which provides an improved structure of a receiving device to prevent a receiving container cover from being deformed or damaged. The refrigerator includes a receiving container, and a receiving container cover which covers an upper portion of the receiving container. The receiving container cover includes a front frame portion which forms a front structure, a guide rail extended from a rear portion of the receiving container cover toward a lower portion of the front frame portion, and a reinforcing member extended transversely in the lower portion of the front frame portion to reinforce the strength of the receiving container cover. The guide rail includes a through hole such that the reinforcing member passes through the through hole. | 2008-08-28 |
20080202146 | Drawer type receiving device of a refrigerator - A refrigerator which provides an improved installation structure of a receiving device disposed in a storage chamber such that the receiving device can be stably supported in the storage chamber and easily mounted on and separated from the storage chamber. The refrigerator includes a shelf fixing structure which fixes a shelf to the storage chamber. The shelf fixing structure includes an engaging protrusion formed on a lower surface of the shelf at one side of the shelf, a stepped surface formed at the other side of the shelf, a restriction groove formed at a position corresponding to the engaging protrusion to restrict the engaging protrusion, and a restriction portion formed at a position corresponding to the stepped surface to restrict the stepped surface. | 2008-08-28 |
20080202147 | Refrigerator with water dispenser - A refrigerator including a dispenser to extract water is disclosed. The refrigerator includes a main body having a storage chamber, a door opening and closing the storage chamber, and a dispenser disposed to discharge water, the dispenser including a button installed to be movable in a backward and forward moving direction, a switch pressed to cause water to be discharged, and a lever rotatably installed sideward with respect to the forward/backward moving direction of the button having one end disposed at a rear side of the button and an other end disposed on the switch and performing a seesaw movement sideward as the button moves in the forward/backward moving direction to press the switch. Thus, the dispenser can be formed to have a small thickness in a forward/backward direction. | 2008-08-28 |
20080202148 | Beverage cooler - A beverage cooling apparatus including a first circuit forming a first set of fluid flow paths, a second circuit forming a second set of fluid flow paths in parallel with the first set of fluid flow paths, and a third circuit forming a third set of fluid flow paths in parallel with the first and second sets of fluid flow paths. | 2008-08-28 |
20080202149 | Refrigerator - A refrigerator having a cold air supply device is provided. The refrigerator includes an evaporator and the cold air supply device mounted at a rear surface of a storage compartment to cover the evaporator. The cold air supply device includes a plurality of discharge holes formed in a front surface and both lateral surfaces thereof to discharge cold air, which was heat exchanged by the evaporator, toward front and lateral sides of the cold air supply device. | 2008-08-28 |
20080202150 | Ice keeper - A half or semi-circle when view from the top, in a strainer form that mounts right on top of the upper rim of a glass or cup having one side round to fit the inner walls of the cup or glass. The other side flat forming the half circle shape and having the purpose of retaining ice from flowing through. It has one clip on each side or one clip on either side of the round section of the embodiment to hold the invention in place and the main body having indentations or holes to Allowed the flow of liquids and restrained the ice from flowing through. | 2008-08-28 |
20080202151 | Method and Apparatus for Reducing the Noise Level Outputted by Oil Separator - A muffling apparatus ( | 2008-08-28 |
20080202152 | FILTER-DRIER UNIT FOR REFRIGERANT CIRCUITS - In known filter-drier cases for refrigerant circuits, the refrigerant flows through filter and drying means in a serial manner. During operation of the refrigerant circuit, this causes an undesirably large pressure drop. It is the task of the invention to provide an improved filter-drier arrangement ( | 2008-08-28 |
20080202153 | Evaporator - An evaporator includes a plurality of heat exchange tubes extending vertically and arranged in rows spaced apart from each other in a front-rear direction. A drainage acceleration member extending vertically is disposed between the adjacent front and rear heat exchange tubes. A gap is present between each of the adjacent front and rear heat exchange tubes, and the drainage acceleration member disposed between the front and rear heat exchange tubes. The gaps serve as drain channels. The evaporator exhibits excellent drainage of condensed water. | 2008-08-28 |
20080202154 | Refrigeration Apparatus - Refrigeration apparatus which includes: an evaporator ( | 2008-08-28 |
20080202155 | Closed-Loop Dehumidification Circuit For Refrigerant System - A closed-loop reheat circuit decoupled from a main refrigerant circuit is provided as part of a refrigerant system. In the closed-loop reheat circuit refrigerant is flown through an auxiliary heat exchanger, at which it transfers heat to refrigerant in the main circuit, increasing its cooling and dehumidification potential prior to entering an evaporator. The closed-loop circuit also includes a reheat heat exchanger that is placed in the path of at least a portion of airflow having passed over an evaporator. The reheat heat exchanger reheats air supplied to a conditioned space to a desired temperature after sufficient amount of moisture has been removed from the air in the evaporator to provide a comfortable humidity level. By utilizing the closed-loop reheat circuit, a control for the overall refrigerant system becomes less complex and more flexible, and the refrigerant system operation turns out to be more reliable and satisfying a variety of environmental conditions and potential applications. Various features and options of the decoupled reheat circuit concept are also disclosed. | 2008-08-28 |
20080202156 | Air-conditioning system for vehicles - The present invention relates to an air-conditioning system for vehicles, in which expansion means and an internal heat exchanger are formed integrally with each other or expansion means, an internal heat exchanger and an accumulator are formed integrally with one another in an air-conditioning system using carbon dioxide (CO | 2008-08-28 |
20080202157 | INTERNAL HEAT EXCHANGER FOR AUTOMOTIVE AIR CONDITIONER - An internal heat exchanger for an automotive air conditioner which is capable of securing length of the internal heat exchanger necessary for heat exchange by a double pipe even when an evaporator and an expansion valve are disposed where the distance to a partition wall is short. Between an expansion valve and evaporator, and a partition wall, a first double pipe is disposed which is formed by surrounding an inner pipe connected to an inlet port of the expansion valve with an outer pipe connected to an outlet port of the evaporator, and a second double pipe is disposed within an engine room which is formed by surrounding an inner pipe with an outer pipe, in a manner extended from the first double pipe. The first double pipe and the second double pipe are connected by a pipe connecting member such that the connecting portions of the pipes are prevented from disconnection. | 2008-08-28 |
20080202158 | System And Method For Cooling A Bog Stream - A system for cooling a boil-off gas (BOG) stream prior to compression in a boil-off reliquefaction plant, comprising a line ( | 2008-08-28 |
20080202159 | Apparatus and method for optimizing a liquefied natural gas facility - At least one model is associated with one or more manipulated variables and one or more controlled variables, which are associated with a cascade liquefied natural gas facility. Adjustments to the one or more manipulated variables are made using the at least one model to maintain the one or more controlled variables within defined limits. For example, a controlled variable may identify an overall load placed on multiple refrigeration systems in the facility. The one or more manipulated variables may be adjusted to increase the overall load placed on the refrigeration systems. The overall load can be determined by identifying a maximum of: a projected feed gas rate to operate a propane refrigeration system at maximum load, a projected feed gas rate to operate an ethylene or ethane refrigeration system at maximum load, and a projected feed gas rate to operate a methane refrigeration system at maximum load. | 2008-08-28 |
20080202160 | Method and device for fractionated cryocondensation - The invention relates to a method and device for the fractionated cryocondensation of a process gas in at least one cooler and a freezer, wherein a specific process temperature is set inside the cooler. | 2008-08-28 |
20080202161 | METHOD FOR ADJUSTING HEATING VALUE OF LNG - Systems and methods for adjusting the heating value of liquefied natural gas (“LNG”) are provided. LNG can be apportioned into at least two portions. A first portion can be warmed to provide a vapor-liquid mixture which can be separated in a first separator to provide a first vapor and a first liquid. The first liquid can be separated to provide ANGL and a second vapor. The first vapor can be compressed and mixed with the second vapor to provide a first effluent. At least a portion of the first effluent can be used to heat the first portion. At least a portion of the first effluent can be used as a first reflux in the first separator. At least a portion of the first effluent can be mixed with a second portion of the LNG to provide an adjusted LNG. | 2008-08-28 |
20080202162 | Cryogenic Process Utilizing High Pressure Absorber Column - A gas processing plant has a de-ethanizer and a refluxed absorber, wherein the absorber operates at higher pressure than the de-ethanizer, and wherein at least a portion of the absorber bottoms product is expanded to provide cooling for the absorber reflux stream and/or the distillation column feed stream. Especially contemplated gas processing plants include propane and ethane recovery plants, and where the gas processing plant is an ethane recovery plant, it is contemplated that the ethane product comprises no more than 500 ppm carbon dioxide. | 2008-08-28 |
20080202163 | MATERIAL FOR HIGH REFRACTIVE INDEX GLASS, HIGH REFRACTIVE INDEX GLASS OBTAINED FROM THE MATERIAL, AND METHOD OF PATTERNING HIGH REFRACTIVE INDEX GLASS - There is provided a material on which a minute pattern in nanometer order can be formed and capable of providing a glass having transparency and high refractive index. A material for a high refractive index glass according to an embodiment of the present invention includes a polysilane, a silicone compound, and metal oxide nanoparticles. Preferably, the polysilane includes a branched polysilane. Preferably, the polysilane and the silicone compound are contained at a weight ratio of 80:20 to 5:95. Preferably, the metal oxide nanoparticles are formed of at least one metal oxide selected from the group consisting of zircon oxide, titanium oxide, and zinc oxide. | 2008-08-28 |
20080202164 | Isopipe design feature to reduce sag - Disclosed is an isopipe for use in the manufacture of sheet glass by, and more specifically to an isopipe designed to control sag during use, as well as a method for reducing the sag of an isopipe used in a fusion process for molten glass. In one embodiment, the isopipe comprises a cavity that extends at least partially through the refractory body of the isopipe along its longitudinal length. The cavity has varying cross-sections configured such that, for at least a portion of the length of the isopipe, the load bending moment is greater than or generally equal to the gravity bending moment. In one embodiment, the neutral axis varies along the length of the cavity and has a similar profile to that of the gravity bending moment diagram. | 2008-08-28 |
20080202165 | Process to preserve isopipe during coupling - Methods for reducing stress on an isopipe during manufacture of a drawn glass sheet are disclosed including a method comprising providing an isopipe having a root, heating the isopipe to a predetermined temperature, maintaining the isopipe at the predetermined temperature for a period of time sufficient to relieve at least a portion of a tensile stress on the isopipe root, coupling the isopipe to a down-corner, and then providing glass to the isopipe. Also disclosed is a method comprising heating an isopipe such that the temperature difference between the weir and the root of the isopipe, after heating and prior to coupling, is less than about 100° C. A method comprising application of a compressive force to the ends of an isopipe root during heating is also disclosed. | 2008-08-28 |
20080202166 | METHOD OF DEHYDRATING AND SINTERING POROUS PREFORM FOR OPTICAL FIBER AND DEHYDRATION-SINTERING FURNACE - A dehydration-sintering furnace includes a muffle tube that accommodates therein the porous preform, a heater that heats the porous preform from outside of the muffle tube, a furnace body that accommodates the heater at an outer periphery of the muffle tube. When a gas required for dehydrating and sintering the porous preform is supplied in the muffle tube, and a pressure in the muffle tube is measured, an average value of the pressure in the muffle tube P | 2008-08-28 |
20080202167 | Thermal edge finishing - A thermal edge finishing process includes preheating at least one cut edge of a glass sheet, laser finishing the edge to a single full continuous radius from a position orthogonal to the edge and in-plane with the glass sheet while continuing to heat the glass, and localized annealing of the edge to reduce residual stress from the laser/thermal treatment of the edge. By the present process, edge stress is reduced considerably, such as to less than 3000 psi, and more preferably to less than 2500 psi, and to as low as 1000 psi in the first 1 mm along the treated edge. | 2008-08-28 |
20080202168 | Method and a machine for the production of hollow glassware articles - A method and a machine for the production of hollow glassware articles, by the blow-and-blow, press-and-blow, press-and-blow paste mold and direct-press processes in a glassware forming machine including single or multiple machine sections each having single or multiple-cavity, comprising: forming a parison in an inverted orientation, into a blank mold and a first transferable and open-able neck ring mold held by an inverting apparatus having a first and a second diametrically opposed arms, each arm holding a transferable and open-able neck ring mold; inverting the parison held by the first transferable and open-able neck ring mold, by rotating the first arm 180° to an upright orientation at an intermediate station, while the second arm with a second transferable and open-able neck ring mold is simultaneously placed at the parison forming station; transferring the first transferable and open-able neck ring mold holding the parison in an upright orientation, from the intermediate station, to a blow mold station, by a transference apparatus; releasing the first parison into a blow mold, and turning back the first transferable and open-able neck ring mold empty to the first arm of the inverting apparatus, at the intermediate station to be placed again at the parison forming station by rotating the first arm additional 180°, completing a 360° turn, while the second arm reaches to the intermediate station; blowing the parison into a blow mold to form a finished article; and transferring the finished article in an upright orientation, once the blow mold is opened, by a take out apparatus, to place it at a dead plate or at a carrying conveyor. | 2008-08-28 |
20080202169 | Fibering Device, Particularly For Making Glass Fibers - It is provided a fibering device for making insulating glass fibers in which the gas fiber coming out of a rotor ( | 2008-08-28 |
20080202170 | Appliance with a Controllable Protection Device - An appliance with a hazardous device contains a first controller controlled by a first control element which, in turn, is controlled by a second controller by use of a first switching element. An electrically controllable protection device is provided and is controlled by a second control element, it is possible to deactivate the protection device. A storage capacitor is provided between the first and the second control element and supplies the second control element with energy for a control pulse and is charged by the first control element when the first controller is switched off and is discharged by the first switching element when the first controller is switched on. This circuit generates a safe control circuit. In the event of a possible hazardous state, either the first controller is no longer supplied with energy or the protection device cannot be deactivated, and so danger to a user is precluded. | 2008-08-28 |
20080202171 | Washing machine improving washing efficiency - Disclosed herein is a washing machine that is capable of preventing the deformation of laundry due to spin-drying holes, increasing friction between the inner surface of a washing tub and laundry to improve the washing efficiency, and reducing wash water consumption. The washing machine includes a water tub, a washing tub mounted in the water tub, a drive unit to rotate the washing tub, and a wash water circulation unit to supply wash water in the water tub into the washing tub. The washing tub has a plurality of depressions formed therein and depressed outward from the inner surface thereof in the shape of a polygonal pyramid, and a plurality of spin-drying holes formed in a deep area of the respective depressions. | 2008-08-28 |
20080202172 | Device for Providing a Relatively Constant Rate of Dissolution of a Solid Article within It - A device for providing a relatively constant rate of dissolution of a solid article ( | 2008-08-28 |
20080202173 | Washing Machine - A washing machine is provided. The washing machine includes a support frame, which supports the main housing of the washing machine, and a liquid detergent container, which is disposed in the support frame and contains a liquid detergent therein. Therefore, the washing machine can improve the efficiency of the use of a liquid detergent. | 2008-08-28 |
20080202174 | Washing Machine Comprising a Fuel Cell and a Hydrogen Generating Reactor - Machine for washing items of various kind, comprising a washing tub containing the washing liquor, and provided with a reactor performing a twofold function, i.e. generating heat for heating up said washing liquor and a stream of gaseous hydrogen supplying a fuel cell that generates a source of electric power. | 2008-08-28 |
20080202175 | Lock - In a lock of a door, a window or such like with a basic lock and at least an auxiliary locking device and at least a first actuation arrangement for locking the lock, a second actuation arrangement separate from the first actuation arrangement is provided for unlocking the lock. | 2008-08-28 |
20080202176 | Motor Vehicle Door Latch - Taught is motor vehicle door latch with at least one locking mechanism ( | 2008-08-28 |
20080202177 | LATCH SYSTEM FOR AN ADJUSTABLE VEHICLE SEAT - A latch system for a vehicle seat track includes locks. The locks are moveable between locked and unlocked positions. The locks lock with a web attached with the seat track. | 2008-08-28 |
20080202178 | Key Trapping Access Control System and Method - An automatic key trapping lock comprising a lock housing; a lock removable from the lock housing and further comprising a core with an internal lock assembly for trapping and releasing a key when a key is turned in a specified direction; a cam assembly comprising a cam member rotatably engaging the lock; a return spring biasing the cam member towards a key trapped position; said cam member operatively engages a locking and releasing solenoid with a plunger for locking and unlocking the cam member; and the locking and releasing solenoid is actuated by one or more control means operatively engaging the locking solenoid for locking or unlocking the cam. It is another object of the present invention to provide an adjustable key panel assembly having an adjustable cam for accommodating variable length locks. | 2008-08-28 |
20080202179 | Lock Mechanism for an Enclosure and a Mold Device and Method for Forming a Lock Bore - A locking mechanism for an enclosure is provided. The enclosure comprises a base including a locking groove formed therein, and a lid pivotally coupled with the base having a lock bore formed therein. The lock mechanism is mounted in the lock bore and includes a pin that is selectively positioned within the locking groove to secure the lid to the base. Also provided is a molding device and method for forming the lock bore. The mold device includes a base member with a pair of arms having a mold protrusion and a lower cam surface. The molding device also includes a housing having a pair of mold protrusion openings. The mold protrusions selectively extend outwardly through mold protrusion openings when a wedge engages the lower cam surfaces on the arms, wherein the arms spread apart from one another to form a pair of snap grooves in the lock bore. | 2008-08-28 |
20080202180 | SHAPED TOP PIN FOR BUMP RESISTANT CYLINDER - The present invention provides a pin and tumbler cylinder lock and a retrofitted cylinder lock which minimizes unauthorized openings of the lock by bumping. The cylinder lock utilizes specially designed driver pins which are correlated in size to the largest possible stack height of the tumbler pins with a bump key inserted in the plug portion of the lock and the shear line height of the lock. All the driver pins are about the same height and preferably symmetrical with a lip on each end. The invention also provides a method for retrofitting existing locks by removing at least one of the driver pins and replacing the removed driver pin or pins with the driver pins of the invention. | 2008-08-28 |
20080202181 | ANTI-TAMPERING ARRANGEMENTS FOR PIN TUMBLER CYLINDER LOCKS - A pin tumbler cylinder lock includes a shell, a plug, and at least first and second tumbler pins and first and second driver pins. At least the first driver pin extends into a corresponding plug channel when the plug is in a locked condition, such that rotation of the plug with respect to the shell is blocked. The lock is configured such that at least the first driver pin is separated from the first tumbler pin by a gap when the plug is in the locked condition. When the first and second tumbler pins are raised without the proper key and the gap between the first tumbler pin and the first driver pin is eliminated, the second tumbler pin extends across the shear line and into the corresponding shell channel. | 2008-08-28 |
20080202182 | Deformation of Thin Walled Bodies - A thin walled body is deformed in a process in which the body is gripped securely in a holding station and, whilst gripped in the holding station, tooling engages to deform the peripheral wall of the body at a predetermined wall zone. The tooling is provided at a tooling station which is adjacent the holding station during deformation. The predetermined wall zone is co-aligned with the tooling by rotation of the body about an axis prior to securing at the holding station. | 2008-08-28 |
20080202183 | Shot-Peening Process - A method of shot peening in which with respect to a carburized and quenched metal part, only its surface abnormal layer detrimental to the fatigue strength thereof is scraped without scraping of the martensitic structure underlying the surface abnormal layer, namely, in which the fatigue strength can be rendered stable and enhanced without surface cracking. As bombardment shot, use is made of a shot with hardness higher than that (first hardness) of the surface abnormal layer occurring at a surface layer portion of metal part prior to shot peening but lower than that (second hardness) of the martensitic structure. | 2008-08-28 |
20080202184 | Process for Fabricating Large-Surface metal Plate Into a Shaped Part, Such as an Outer Skin Panel of a Vehicle Body - A process for forming a large-surface metal plate into a shaped part includes using a moulding tool. The tool includes a reservoir filled with incompressible fluid work medium, clamping jaws and a shaping die movable towards the reservoir. Profiling elements, corresponding to each other, are configured in the interior of the reservoir and on the outer edge of the shaping die. The external high pressure punching by means of the shaping die moved forward against the high pressure of the fluid work medium is ended, when the shaping die has reached the profiling elements in the reservoir, by the pressure of the fluid work medium in the reservoir being reduced. The boundary sections of the metal plate are then formed between the profiling elements, pressed against each other, of the shaping die and the reservoir, at low pressure of the fluid work medium or at zero pressure. | 2008-08-28 |
20080202185 | ROLLER TOOL FOR FORMING GROOVES IN PIPES - A device for forming a circumferential groove in a pipe is disclosed. The pipe has an inner and an outer surface. The device has a first roller tool, which engages the outer surface of the pipe, and a second roller tool, which engages the inner surface of the pipe. The roller tools are arranged opposite to one another and are rotated relative to the pipe while being forced toward each other, thereby cooperating to form the groove. To prevent excessive thinning of the pipe wall, the roller tools are offset from each other along their axes of rotation. The midpoint of facing circumferential surfaces on each roller tool serves as a measuring point for the relative offset. | 2008-08-28 |
20080202186 | INSERTED WIPER DIE FOR HIGH-PRESSURE TUBE-BENDING AND METHOD OF USING SAME - The present invention is a wiper die assembly that combines the performance of a solid-body wiper die with the economy of a inserted wiper die for high-pressure rotary-draw tube-bending. The key features of the present invention are: [1] A wiper insert attached to the wiper holder by a mechanical means that retains the bore of the insert as a smooth, uninterrupted working surface, and [2] radius face support shoe attached to the wiper holder that can be adjusted to support and stabilize the entire wiper assembly against the cavity of the bend die. | 2008-08-28 |
20080202187 | Method for Straightening Hot Profiled Sections - The invention relates to a method for leveling profiles ( | 2008-08-28 |
20080202188 | FOLDING SYSTEM - A system for folding a ribbon stock, the system including: a transferring unit; a guide member having a passage for guiding the ribbon stock, the passage defining a longitudinal axis; a folding means supported to revolve and move in a direction substantially transverse to the longitudinal axis for applying a force against the ribbon stock passing through the guide member; a driving means; a supporting frame; a fixing body having a predetermined length and a guide entrance operatively connected with the guide member, wherein ends of the fixing body are rotatably fixed to the supporting frame, the fixing body having a guide slot formed therein for insertably receiving the folding means; and a pair of rotary bodies rotatably connected to the ends of the fixing body for revolving the folding means, the pair of rotary bodies configured to insertably receive the folding means. | 2008-08-28 |
20080202189 | UPSETTING METHOD AND UPSETTING APPARATUS - To provide an upsetting method capable of efficiently expanding a bar-shaped raw material at least two portions. A plurality of guides | 2008-08-28 |
20080202190 | Modular tooling system and method - A die having various features such as spring pockets and mounting provisions for a lifter bar that can be utilized to make a variety of dies. The dies may include pockets or other mounting features that provide for mounting replaceable plates that can be machined for mounting of die forming and cutting steels and other die components. The die shoe may include an array of pockets or blind holes for mounting nitrogen springs or the like for operation of forming steels and the like. One or more openings may be drilled in the replaceable plates above the pockets selected to receive nitrogen springs, with the remaining unused pockets being covered by the replaceable plate. The replaceable plate and pre-formed spring pockets thereby permit the die to be readily adapted for a particular die. The replaceable plates may be removed, and a replacement plate may be installed as needed for a new die. | 2008-08-28 |
20080202191 | Corrosion resistant tool - There is disclosed a cemented carbide tool containing tungsten carbide, titanium carbide, nickel and cobalt, molybdenum and chromium. The composition of the materials provides a good resistance to corrosion as well as high hardness and wear resistance. These properties are particularly interesting for the manufacture of tools for coldforming operations. Cold forming tools made with these materials have steady performance over a long period of time. | 2008-08-28 |
20080202192 | Pressing device for forming steel sheet blanks into clips - A pressing device for forming steel sheet blanks into clips, which comprise curved planking elements and rectilinear stringer elements for connecting a fuselage cell skin to a stringer and to an annular rib in an aircraft fuselage, comprises at least one curved upper tool, at least one curved lower tool, at least one rectilinear upper tool, and at least one rectilinear lower tool. A steel sheet blank is receivable and formable between the at least one curved upper and lower tools and the at least one rectilinear upper and lower tools. The at least one curved upper and lower tool each comprises an upper and lower convexity surface designed to essentially correspond to each other in order to form the curved planking element in a single stroke surface model forming process by simultaneously bending and stamping. The at least one rectilinear upper tool and the at least one rectilinear lower tool each comprises an upper and lower bending surface designed to correspond to each other in order to form the rectilinear stringer element. | 2008-08-28 |
20080202193 | DEVICE FOR ADJUSTING ANGLE OF GOLF CLUB SHAFT - An angle adjuster for a golf club shaft includes a pressing part that can advance and retreat towards and away from a space between two pressing force receiving parts. The pressing force receiving parts include grooves configured to receive a golf club shaft. When the pressing part is advanced against the golf club shaft, a bending force is applied to the shaft at a bending location on the shaft that lies between the pressing force receiving parts. This occurs while the shaft is received in, the receiving grooves of the pressing force receiving parts. | 2008-08-28 |
20080202194 | Device for automatically adjusting control cams in a forging machine - In a device for automatically adjusting the control cams of a forging machine, with a releasing means for releasing the operating position of a cam, the cam supporting shaft swingably supports, with a controlled movement with respect to the shaft longitudinal axis, radially extending brackets, in turn supporting a bar extending through the overall length of the control cam supporting shaft, the brackets being moreover provided, at each control cam, with cylinder-piston units including movable pins which can be engaged with recesses formed in the cams. | 2008-08-28 |
20080202195 | GOLD NANOPARTICLE-BASED pH SENSOR IN HIGHLY ALKALINE REGION BY SURFACE-ENHANCED RAMAN SCATTERING STUDY - Disclosed are a pH sensor for use in a highly alkaline region of pH >11 comprising citrate-reduced gold nanoparticles and a method for calibrating pH of a solution in highly alkaline regions, based on variation in surface-enhanced Raman scattering spectra (SERS). | 2008-08-28 |
20080202196 | Apparatus and Methods For Dilution - Self-calibrating apparatus and methods for dilution of an analyte-containing fluid, and in particular for dilution of analyte concentrations beyond the normal measurement range of a detector, without the requirement for other detectors. The apparatus is preferably a respirator test system for determining respirator mask fit in the presence of high aerosol challenge concentrations. | 2008-08-28 |
20080202197 | Gas Flowmeter Calibration Stand - A gas flow stand ( | 2008-08-28 |
20080202198 | BALLISTICS SYSTEMS AND METHODS - A scope may include an adjustment dial, which may be moved among a plurality of positions to configure the scope to compensate for projectile drops. The adjustment dial may be labeled with dial-calibration data, which may include one or more distance indicators and/or one or more windage hold-off indicators. The scope may be attached to a gun and the dial-calibration data may be at least partially generated using ballistics performance data based on shots fired by the gun. The dial-calibration data may be at least partially generated using shooting conditions. An electronic device may include a derived distance calculation module, which may be configured to use a distance to a target and actual shooting conditions to calculate a derived distance. The derived distance may be used in connection with an adjustment dial labeled with dial-calibration data at least partially generated using shooting conditions different from the actual shooting conditions. | 2008-08-28 |
20080202199 | Positioning System For Single Or Multi-Axis Sensitive Instrument Calibration And Calibration System For Use Therewith - A positioning and calibration system are provided for use in calibrating a single or multi axis sensitive instrument, such as an inclinometer. The positioning system includes a positioner that defines six planes of tangential contact. A mounting region within the six planes is adapted to have an inclinometer coupled thereto. The positioning system also includes means for defining first and second flat surfaces that are approximately perpendicular to one another with the first surface adapted to be oriented relative to a local or induced reference field of interest to the instrument being calibrated, such as a gravitational vector. The positioner is positioned such that one of its six planes tangentially rests on the first flat surface and another of its six planes tangentially contacts the second flat surface. A calibration system is formed when the positioning system is used with a data collector and processor. | 2008-08-28 |
20080202200 | Calibrating tracking systems to remove position-dependent bias - A method for removing position-dependent bias from tracking systems computes invertible transformations between a tracking system and a reference system, and applies an inverse of the transformation to measurements in the tracking system to estimate the locations of reference points in the reference system and to determine relative bias at the measured points. | 2008-08-28 |
20080202201 | DEVICE AND METHOD FOR AUTOMATIC DETECTION OF INCORRECT MEASUREMENTS BY MEANS OF QUALITY FACTORS - What is disclosed is a device ( | 2008-08-28 |
20080202202 | Tactile Sensor and Use Thereof - A tactile sensor of an embodiment of the present invention includes: a sensing section having an elastic member at a portion which contacts a measurement target; an image acquiring section for acquiring as image information the state of a contact surface of the measurement target and the elastic member, before and after application of an external force tangential to the contact surface; a deformation analyzing section for analyzing deformation information of the contact surface, based on the image information acquired by the image acquiring section; an external force detecting section for detecting the external force applied tangential to the contact surface; and an estimating section for estimating a slippage margin between the measurement target and the elastic member, based on (I) the deformation information of the contact surface, which information acquired by the deformation analyzing section, (II) the external force detected by the external force detecting section, and (III) an object constant of the elastic member. With this tactile sensor, slippage margin can be simply but accurately estimated. | 2008-08-28 |
20080202203 | Piston delamination testing apparatus - A piston testing apparatus is provided including a housing having an inner wall and defining a cavity therethrough; a piston disposed in the housing cavity and having a polymer coating deposited thereon, wherein the polymer coating of the piston contacts the housing inner wall; a connecting rod coupled to the piston; and an actuating means coupled to the connecting rod and configured to provide a reciprocating movement of the piston through the cavity. An injection plate for the piston testing apparatus and a method for challenging an adhesion of the polymer coating to the piston are also described. | 2008-08-28 |
20080202204 | CHUCK FOR FRICTION TEST APPARATUS - A friction test apparatus includes a base structure and a receptacle secured to the base structure. At least three lower test balls are positioned in the receptacle. The friction test apparatus includes a motor having a rotatable shaft providing powered rotation of the shaft. An upper test ball is positioned on the shaft in a chuck, and contracts the at least three test balls in the receptacle in use. The chuck may include tapered inner surfaces that frictionally engage the upper test ball along a substantially continuous ring of contact to prevent rotation of the upper test ball relative to the chuck during operation. The receptacle may include a fluid inlet and a fluid outlet to permit fluid in the receptacle to be changed. | 2008-08-28 |
20080202205 | METHOD FOR PRODUCING GAS SENSOR - A solid electrolyte body is placed on and fixed to an upper plate of a press jig such that a major surface (an upper surface) of the solid electrolyte body faces one major surface of a guide plate having a through-hole. The upper plate is rotated by a transfer mechanism to incline the solid electrolyte body in one direction, and the inclined solid electrolyte body is moved toward the other major surface of the guide plate such that a first edge of the solid electrolyte body protrudes from the through-hole. Then, a cutter is slid along the other major surface, so that the first edge is chamfered to form a first chamfered portion. | 2008-08-28 |
20080202206 | EXTRACTIVE SAMPLING SYSTEM AND METHOD FOR MEASURING ONE OR MORE MOLECULAR SPECIES - A non-contact, extractive sampling system and method is provided for measuring the exhaust gas composition and fine particle composition of exhaust emissions of various types of vehicles under actual operating conditions. A portion (or sample) of an exhaust plume of a vehicle is pulled or extracted through an extraction sampling tube, via a vacuum pump, to a remote trace gas detection system where the concentration of one or more constituents present in the sample of exhaust plume may be measured. In this regard, the invention enables vehicle emissions measurements to be made at a location remote from roadway, rather than using known, “cross-path” remote emissions sensing systems. | 2008-08-28 |
20080202207 | SORBENT TRAP CARTRIDGE FOR MERCURY EMISSIONS MONITORING - A probe for measuring mercury emissions in a flue gas. The probe contains a novel cartridge for holding one or more sorbent traps, which cartridge is easily removed and inserted on-site with reduced danger of sorbent trap damage. | 2008-08-28 |
20080202208 | NANO-PARTICLE CONTAINING APPARATUS, NANO-PARTICLE DETECTION SYSTEM AND METHOD THEREOF - A nano-particle containing apparatus, a nano-particle detection system and a method are disclosed. The nano-particle containing apparatus includes a casing, an air extracting device, a pressure device and a measuring instrument. The casing has a containing space for disposing a plurality of nano-particles. An internal wall surface of the casing has active self-cleaning function. The pressure control device controls the pressure status of the containing space. The active self-clean function is that nano-particles adhered to the internal surface wall are removed into the containing space. The nano-particles then are pumped by the air extracting device from the containing space. The measuring instrument then detects the status of an object affected by the nano-particles after the object is delivered into the containing space. | 2008-08-28 |
20080202209 | Sensor - The invention provides a sensor including a first sensor element formed in a first substrate and at least one optical element formed in a second substrate, the first and second substrates being configured relative to one another such that the second substrate forms a cap over the first sensor element. The cap includes a diffractive optical element and an aperture stop which collectively determine the wavelength of incident radiation that is allowed through the cap and onto the at least one optical element. | 2008-08-28 |
20080202210 | Test gas leak detection using a composite membrane - A leak detector includes a leak detector inlet to receive a test gas; a vacuum pump coupled to the leak detector inlet; a test gas sensing unit connected through a passage to the leak detector inlet; and a membrane that is permeable to the test gas disposed in the passage between the leak detector inlet and the test gas sensing unit, the membrane having a permeance to the test gas that varies by less than five percent over a temperature range of T | 2008-08-28 |
20080202211 | Gas Sensor and Method For Operating a Getter Pump - The invention relates to a gas sensor comprising a pump chamber ( | 2008-08-28 |
20080202212 | Methods and apparatus for test gas leak detection - A leak detector includes a leak detector inlet to receive a test gas, a vacuum pump coupled to the leak detector inlet, a test gas sensing unit connected through a passage to the leak detector inlet, to sense the test gas, a membrane that is permeable to the test gas, the membrane disposed in the passage between the leak detector inlet and the test gas sensing unit, and a control mechanism to substantially terminate transmission of the test gas through the membrane in a time of 500 milliseconds or less. In other embodiments, the control mechanism substantially terminates transmission of the test gas through the membrane in a time of 100 milliseconds or less. | 2008-08-28 |