134 results about "Gaseous Mediators" patented technology

A lamp is provided having an arctube having a light-transmitting envelope. The arctube is surrounded by a gaseous medium confined by a containment envelope such as a hermetic shroud. The gaseous medium is preferably He or H2 or Ne or another gas whose thermal conductivity is greater than that of N2 at 800° C., or a mixture thereof, to help cool the arctube. The inside and / or outside of the shroud may be coated with a diffusion barrier. To help cool the hot spot of the arctube the gap between the shroud and the envelope can be made small, the portion of the shroud wall near the arc can be thickened, the arctube can be offset above the longitudinal axis of the shroud, and the return lead of the arctube can be located between the shroud and the arctube.

A portable system for the real time detection and measurement of one or several gases is a gaseous mixture is disclosed. Such systems can be applied to industrial domains in which gases are to be measured and particularly toxic, dangerous, or polluting gases are generated. The system uses absorption spectrometry of a gas from a gaseous medium of interest. The optical means is at least two laser diodes with matchable cavities to generate a first and second wavelength, a light beam mixer prism, a double refraction crystal rotating on a controlled table. The tuned beam causes the gas to be measured to fluoresce and emit a signal to an infrared radiation detector which can indicate the identity and magnitude of the gas being measured.

An article of manufacture is provided comprising a vial having (a) a first chamber that is substantially filled with an injectable pharmaceutical formulation; (b) a second chamber that is substantially empty but for a gaseous medium; (c) a septum, impermeable to the gaseous medium, separating the first and second chambers; and (d) actuating means effective to bring the formulation and the gaseous medium into contact by breach of the septum such that the gaseous medium acts as an effective headspace for agitation of the formulation. The formulation comprises an aqueous medium, a drug in solid particulate form in a therapeutically effective amount suspended in the medium, and one or more wetting and / or suspending agents in an amount effective to provide controlled flocculation of the drug, at least one ingredient of the formulation being susceptible to oxidative degradation.

Provided is a device and method for detecting the presence of a material in a gaseous medium, including a reaction assembly including at least one detection unit including a matrix adapted for exposure to the gaseous medium, such that at least part of the gaseous medium comes into contact with the matrix; the matrix being configured for capturing a gas-borne particle of a material carried by the gaseous medium, and for permitting a liquid or solute reagent to come in contact with the matrix, thereby enabling said liquid reagent to react with said particle to yield an optically altered reaction product.

The invention discloses a system applying medium of a low boiling point into a low and medium-temperature geothermal well for obtaining heat, which comprises an underground heat exchanger, a steam collector, a steam utilization device, a compressor, a storage tank for the medium of the low boiling point and a medium pump, wherein the liquid medium inlet of the underground heat exchanger is connected with the outlet of the medium pump; the steam outlet of the underground heat exchanger is connected with the inlet of the steam collector; the outlet of the steam collector is connected with the inlet of the steam utilization device; the outlet of the steam utilization device is connected with the gaseous medium inlet of the compressor; the outlet of the liquid medium of the compressor is connected with the inlet of the storage tank for the medium of the low boiling point; and the outlet of the storage tank for the medium of the low boiling point is connected with the inlet of the medium pump. In the system, the heat of underground hot water is utilized to change the liquid medium in the underground heat exchanger into high-temperature steam, and the high-temperature steam becomes the energy of various pieces of equipment. The system has the advantages of simple process, low energy consumption and no pollution, and is a powerful supplement for the traditional energy.

The invention relates to a proportional valve for controlling gaseous mediums, especially hydrogen. The proportional valve comprises a nozzle body (2) having at least one through hole (3); a sealing element releasing and closing a through hole (3) on a valve seat (21); and an elastic sealing element (5) sealing the valve seat (21). The sealing element (5) has a hollow groove (50) with an inner wall area (51) and pressure for loading gaseous mediums inside the inner wall area (51) when the proportional valve is closed.

A reactor vessel for performing a steam reforming reaction having a vessel inlet for natural gas and steam; a vessel inlet for a hot gaseous medium; a vessel outlet for the steam reforming product; and a reactor space which is a bed of steam reforming catalyst, which reactor space inlet is fluidly connected to the inlet for natural gas and steam and at its outlet end fluidly connected with the outlet for the gaseous product; wherein inside the catalyst bed a passageway is provided fluidly connected to the vessel inlet for the hot gaseous medium for passage of hot gaseous mixture counter currently to the flow of reactants in the catalyst bed.

A gravity separator includes a vessel within which a mixture containing water, oil, and gas can separate under gravity to form vertically discrete oil and water layers and a gas phase. An inlet duct communicates with a vessel entrance for the mixture containing water, oil, and gas. The inlet duct of the gravity separator includes a gas injector that injects a gaseous medium in a volume in the range of from 0.01-1.9 Sm3 of the gaseous medium per 1 m3 of the mixture into the mixture containing water, oil, and gas.

A method for operating a gas turbine installation (1) includes sucking in a gaseous medium (2) by the compressor (3) and compressed in the compressor space, a liquid medium (10) being injected into the gaseous medium (2), so that a two-phase flow comprising a gaseous phase and a liquid phase is formed at least in a subregion of the compressor (3). The gaseous medium (2) is then burnt with fuel (5) in a combustion chamber (6) to form hot gases (7), and the hot gases (7) are expanded in a turbine (8), the hot components of the gas turbine installation (1) being cooled by cooling air (14) of a cooling air system. A measurement is carried out to determine whether a liquid phase is present in a region of the compressor (3) and / or of the cooling air system.

The invention discloses a cooling device, a stator and a wind driven generator. The cooling device comprises an air cooling system and a liquid cooling pipeline; the air cooling system comprises a gaseous medium flowing path enabling a gaseous medium to circulate in the wind driven generator and a first heat exchange device arranged on the gaseous medium flowing path; the liquid cooling pipeline comprises a first part located in the first heat exchange device and a second part located in the stator or on the outer surface of the stator; and cooling liquid in the liquid cooling pipeline flows through the first part and the second part in sequence. With the air cooling system and the liquid cooling pipeline combined, the cooling efficiency of the wind driven generator is improved, the internal temperature rise and temperature gradient of the wind driven generator are reduced, and the cooling device has the advantages of high reliability, easiness in maintenance and low cost.

A service station, in particular a hydrogen service station for filling a motor vehicle with a gaseous and / or a liquid medium, in particular with gaseous or liquid hydrogen, is disclosed. The station includes a) a reservoir for storing a liquid medium, b) a liquid medium dispensing unit which is supplied with the liquid medium from the reservoir, c) a compressor, an evaporator, a heating system, and an intermediate reservoir for intermediate storage of a compressed gaseous medium, d) a gaseous medium dispensing unit mounted downstream of the intermediate reservoir, e) a fuel cell which is supplied by the gaseous medium coming from the reservoir and / or the intermediate reservoir and supplies power to the compressor, and f) a control unit which is powered by the fuel cell and used for controlling the compressor, the gaseous medium dispensing unit and / or the liquid medium dispensing unit.

The present invention provides a method, apparatus, and system to overcome the space charge limitations in a gaseous media by introducing a controlled plasma environment into the gaseous media. The present invention uses the gaseous media to provide the energy thereto and create an electrical field, but can energize the field by several orders of magnitude without substantially discharging the field. This extraordinary increase in energy is accomplished in part by increasing plasma density, plasma energy (and an equivalent plasma temperature) and related particle velocity, or a combination thereof. The increase allows the use of ionic energy for practical applications that heretofore has been unavailable.

The invention relates to a method and a system for producing a gaseous medium containing a sterilisation agent and for monitoring and regulating the concentration and quality of the gaseous medium. The method preferably includes concentration determination of a substance or agent in a sample of the gaseous medium in the presence of disruptive matter by means of light absorption, as well as an apparatus therefor. By measuring the light absorbency at two different wavelengths, it is possible to detect and compensate for the effect of disruptive matter such as dust particles, dirt and bubbles (aerosols). By also measuring the intensity of light emitted from the light source which has not yet passed through the measurement sample, simultaneously with the measurements of the absorbency of light allowed through the sample, at each measured wavelength, the actual concentration can be determined with improved accuracy. The method and the system are applied for the sterilisation of packaging materials, packaging containers and packing or filling machines within the food packing industry.

The invention relates to an unsteady-state oil gas recovery system. The system comprises a gas inlet system, a safety system, a first-stage condensation system, a second-stage condensation system, a cryogenic heat exchange system, a first-stage ethylene glycol cooling system, a second-stage ethylene glycol cooling system, an ethylene glycol storing and conveying system, a low-temperature oil gas heating system, a low-temperature nitrogen heating system, a liquid nitrogen conveying and adjusting system, a condensate recycling and conveying system and a defrosting system. The first-stage condensation system and the second-stage condensation system adopt a low-temperature ethylene glycol-water solution as a refrigerant; a gaseous medium is not used as a refrigerant, so that the condensation temperature of the oil gas can be more accurately controlled, high-boiling-point components in the oil gas are condensed into a liquid phase and flow into a condensate storage tank, and the phenomena that the heat exchanger is frozen and blocked and stable operation of the whole system is influenced due to frosting caused by excessive condensation are avoided.

The present invention discloses a heat leakage test device and a usage method thereof. The device concretely comprises a first heat insulation container, a second heat insulation container, a liquid medium source, a gaseous medium source, a liquidometer and a flowmeter. The first heat insulation container is arranged in the second heat insulation container, a valve cover assembly of a low-temperature valve is placed in the second heat insulation container, and the liquid medium source provides a liquid medium to the first heat insulation container; the gaseous medium source provides a gaseousmedium to the first heat insulation container, and the flowmeter is communicated with the first heat insulation container. The heat leakage test device also comprises a temperature sensor used for measuring the temperature of the fluid flowing from the first heat insulation container to the flowmeter and a pressure sensor used for measuring the pressure of the fluid flowing from the first heat insulation container to the flowmeter, and the temperature sensor and the pressure transducer are both connected with a processor and are used for transmitting the detected temperature and pressure signals to the processor for the exchange calculation. The heat leakage test device and the usage method thereof provided by the present invention can effectively test the heat leakage amount of the low-temperature valves.

A method and a device monitors the quality of gaseous media dispensed by a filling station, in particular hydrogen, by an infrared measuring system. The infrared measuring system is connected into the dispensing path of the respective gaseous medium extending from the filling station to a consumer, and measures the transmission of infrared radiation at different wavelengths and different pressures. From the transmission measurements, the concentration of contaminants, which influence the quality, is calculated. At least when predetrminable quality parameters are exceeded, this exceeding is indicated.

The invention relates to a method for producing a gaseous medium comprising steam, said steam being produced from a first fluid medium, energy for heating the first fluid medium being provided by burning a fuel, comprising the steps of mixing the steam with exhaust gas from combustion of said fuel characterised by the steps of prior to mixing the steam with exhaust gas, injecting fluid into the steam. The invention further relates to a device for producing a gaseous medium comprising steam. The invention also relates to a further method for producing a gaseous medium comprising steam The invention still further relates to a further device for producing a gaseous medium comprising steam. The invention finally relates to a turbine configuration.

The invention relates to a proportional valve (1) for controlling a gaseous medium, in particular hydrogen, comprising a valve housing (2), wherein an interior space (9) is formed in the valve housing (2). A first closure element (16) is arranged in the interior space (9), wherein the first closure element (16) cooperates with a first valve seat (19) for opening or closing a first through-opening (14). In addition, a second closure element (36) is arranged in the interior space (9), wherein the second closure element (36) cooperates with a second valve seat (29) for opening and closing a second through-opening (20). The first valve seat (19) is formed on the second closure element (36), wherein the first through-opening (14) feeds into the second through-opening (20).

The invention relates to a gas pressure limiting valve (1) for controlling a gaseous medium, in particular hydrogen, comprising a housing (7) and a valve element assembly (17). The valve element assembly (17) has a valve element (3), which opens and closes, and is thus movable, in the direction of a longitudinal axis (14), and a stationary seal seat plate (2). Either the seal seat plate (2) or thevalve element (3) has a seal seat edge (12) which encircles the longitudinal axis (14) and which forms a seal seat (6) together with the respective other component in the closed state of the valve (1). The gas pressure limiting valve also comprises a closing spring (8) which is arranged in the housing (7) in the direction of the longitudinal axis (14), and the closing spring (8) is supported against a closing spring support (11) on one side in the direction of longitudinal axis (14) and at least indirectly against the valve element (3) on the opposite side. According to the invention, the valve element (3) or the seal seat plate (2) has an elastomer coating (4) such that the elastomer coating (4) forms the seal seat (6) together with the seal seat edge (12) of either the seal seat plate (2) or the valve element (3) in the closed state of the valve (1); the seal seat plate (2) or the valve element (3) has a circumferential stop (5); and the penetration depth of the circumferential sealseat edge (12) into the elastomer coating (4) is limited in the direction of longitudinal axis (14) by the circumferential stop (5).

An arrangement comprising at least one liquefaction plant for liquefying a gaseous medium to produce a liquefied medium; and at least one storage tank for storing the liquefied medium. A first transfer line is provided which is connected between the liquefaction plant and the storage tank, for transferring liquefied medium from the liquefaction plant into the storage tank. A second transfer line is connected between the liquefaction plant and the storage tank, for transferring gaseous medium from the storage tank into the liquefaction plant. The second transfer line, which used for transferring medium from the storage tank into the liquefaction plant, is arranged so that it is routed at least partially through the area of the storage tank in which the liquefied medium is stored in use.

The invention relates to a proportional valve (1) for controlling a gaseous medium, in particular hydrogen, comprising a valve housing (2), in which a closing element (10) arranged therein interacts with a valve seat (19) in order to open and close at least one passage opening (18). Furthermore, an armature device (25), which is operatively connected to the closing element (10), and an electromagnet (26) are provided, by means of which electromagnet a magnetic force can be produced on the armature device (25) and the armature device (25) can move reciprocatingly along a longitudinal axis (40) of the proportional valve (1). Moreover, the electromagnet (26) comprises an inner pole (14), an outer pole (13) and a solenoid coil (12) and the armature device (25) composes an armature (8). The valve housing (2) and the inner pole (14) are magnetically connected to each other by means of a magnetic choke point (20). The magnetic choke point (20) is formed in an axial region of extent of the armature (8). Furthermore, the inner pole (14) has a cavity (21) having a cavity edge (35). The armature (8) plunges in said cavity (21) during the reciprocating motion of said armature. In a closed position of the proportional valve (1), an end face (33) of the armature (8) lies at the same height as the cavity edge (35) of the cavity (21) with respect to the longitudinal axis (40), the cavity edge (35) forming the end of the magnetic choke point (20).

The present disclosure provides, in part, a self-contained, point-of-care device for the early detection of infection, or other pathologic conditions that can lead to system inflammation, by the detection of the endogenous gaseous mediator nitric oxide (NO.) and methods of use.

The invention provides a gas supply system for LPG power generation so as to provide gasified LPG fuel for external gas application equipment. The gas supply system comprises a storage tank, a gasifying device, a buffer tank and a control system. The storage tank is used for containing LPG. The gasifying device communicates with the storage tank. The gasifying device is used for gasifying LPG delivered from the storage tank into a gaseous medium through heat exchange and heating the gaseous medium to a preset temperature value. The buffer tank communicates with the gasifying device through a pipeline, stores the gaseous medium gasified by the gasifying device and delivers the gasified gaseous medium to the external gas application equipment at the preset temperature value. The control system detects the temperature value of the gaseous medium in the buffer tank and regulates the heating temperature of the gasifying device to the gaseous medium according to the detected temperature value, so that the temperature of the gaseous medium output from the buffer tank is matched with the temperature of gas fuel used by the external gas application equipment.