Abstract: A system for liquefying industrial gas wherein industrial gas is compressed to two levels using a first and a second compression system and then is processed in a heat exchanger having horizontally oriented sensible heat exchange passages and vertically oriented condensing heat exchange passages.

Abstract: A heat transport apparatus, comprises an absorbator (204), a desorbator (202), a compressor (206), a liquid pump (212), a heat exchanger (216), a restriction element (122) and a two-component refrigerant (203′, 205′), i.e. a liquid and a gas absorbed in the liquid. The characteristic feature is that the refrigerant comprises a lubricant. In a second aspect the invention relates to a two-component refrigerant suitable for use in a heat pump of the absorption-compression type, comprising a lubricant as a liquid component, and a gaseous component absorbable in the lubricant.

Abstract: A method and apparatus for controlling the temperature of a freeze drying chamber shelves and chamber in a refrigeration system having a condenser operatively associated therewith using the circulation of a cryogen through the condenser and of a cryogenically cooled heat transfer fluid through the chamber shelves for controlling the temperature therein, and also where the temperature of the cryogenically cooled heat transfer fluid having been regulated by an exchange of heat with the cryogen.

Abstract: A cryogenic refrigerator includes a shell having a reciprocative displacer and an adsorbent mounted within the shell. In one embodiment, the displacer contains both a regenerative media and the adsorbent, with the regenerative media placed between the adsorbent and a cold end of the displacer. In a method for removing contaminants from the reciprocative displacer, compressed and expanded helium gas is displaced through the displacer, with the adsorbent positioned to adsorb contaminant gases entrained in the helium gas. In another method, a filtering refrigerator containing an adsorbent is coupled to a helium circuit of a refrigeration system to remove contaminants from the circuit.

Abstract: In an apparatus having a refrigeration cycle, the refrigeration cycle is formed by annularly connecting a compressor, a condenser, an expansion device and an evaporator with one another, the apparatus uses propane, isobutane or ethane as a refrigerant, and uses refrigerating machine oil having less mutual solubility with the refrigerant, and a dryer is provided in the refrigeration cycle for absorbing water. In stead of the dryer, an additive which reacts with water may be included in said refrigerating machine oil. With this arrangement, the amount of the refrigerant can be reduced, and the long term reliability of the apparatus can be obtained.

Abstract: A cryogenic separation arrangement wherein feed air is processed simultaneously through two regenerator systems and then separated in a reflux condenser, with product and waste from the reflux condenser processed through one and the other respectively of the regenerator systems.

Abstract: A method of assisting with fluidization of difficult-to-fluidize materials and to improve the quality of fluidization of particles in general. The use of either helium or hydrogen as a gaseous fluidization aid. The addition of hydrogen and/or helium to the fluidization agent or the substitution of part of the fluidizing gas by hydrogen or helium as a fluidization agent is disclosed. The advantageous and desirable effect is that the fluidization quality of the particles is significantly improved.

Abstract: A refrigerant circuit is formed by connecting an outdoor unit (5) and an indoor unit (6) to each other with communication piping (18) including a gas pipe (16) and a liquid pipe (17). An alternative refrigerant R-410A is used as a refrigerant to be circulated through the refrigerant circuit. For middle-sized and large-sized air conditioners whose rated cooling power (JIS C 9612) is not less than 4.0 kW, a gas pipe (16) having an outer diameter of about 9.5 mm (with wall thickness 0.8 mm) is used. For small-sized air conditioners whose rated cooling power (JIS C 9612) is less than 4.0 kW, a gas pipe (16) having an outer diameter of about 7.9 mm (with wall thickness 0.8 mm) is used.

Abstract: An assembly for directing air to a desired location for use as an air blower, carpet drier or the like. An air blower component in a preferred embodiment includes an outlet having attachment means engageable with a separate component such as a ducting housing or carpet drier attachment, through engageable lugs.

Abstract: According to the present invention, an air conditioning unit includes means for supplying electrical power to electrically operated components within the unit. The unit includes a control device for controlling the delivery of electrical power from the supply so as to selectively energize the electrically operated components. An electrical supply socket of the type suitable for receiving a household appliance power cord plug is provided. A timer device is configured to receive electrical power from the electrical power supply. The timer is operable to be set to an “on” condition at selected time and an “off” condition at another selected time. An electrical circuit interconnects the control and the timer such that when the timer is in its “on” condition, electrical power to the electrically operated components is controlled by the control.

Abstract: The Joule-Thomson cooler comprises a low-pressure circuit (2) in a spiral, flat, cylindrical or conical shape, formed in a block (1) of insulating material, and a high-pressure circuit comprising at least one, typically two, branches (4a, 4b) communicating with a central expansion orifice (6) , each branch itself being wound into a helical spiral, the two branches being produced in the form of cylindrical spirals of opposite hand so that they can nestle together in the duct (2) . The cooler is particularly applicable to photodetector devices with infrared-sensitive elements (9).

Abstract: An air-conditioning system in particular for aircraft is proposed wherein pressuized, moisture-containing air is conditioned for air-conditioning the cabin. The pressurized air is compressed further in two separate stages, dehumidified in a high-pressure water extraction cycle and subsequently expanded in one or two turbine stages. Depending on the design one can thereby achieve ice-free conditioned air or a high efficiency of the air-conditioning-system, in particular if two turbine stages are provided and the energy gained in the particular turbine stages is utilized regeneratively, distributed over the compressor stages.

Abstract: In a chisel-type convergence for a chip bin in a wood chip pulping process and system, an improvement in uniformity of discharge of the chips from a chips bin or the like is provided. The bin includes a conventional hollow substantially right circular cylindrical first, upper, body portion, a second, hollow transition, portion connected to the bottom of the first portion, and a third transition portion, below the second portion and above a metering device, such as a metering screw or a star-feeder. The third transition operates less than full of chips, and provides relief from chip compaction. The third transition portion may include stationary or movable baffles, and/or a metering screw may be provided which can pivot downwardly in order to minimize or eliminate the thrusting force against the bin or upper chips to facilitate discharge.

Abstract: An air-injected dehydration apparatus for dehydrating a food product. The apparatus includes a dehydration chamber having a plurality of controllable heating elements extending therethrough and a device for moving the food product within the chamber. An air injection system providing air to the chamber and an exhaust is provided for exhausting air from the chamber. The air injection system includes an air compressor for supplying pressurized air to the chamber, a pressure conduit to channel the pressurized air from the compressor to the chamber and a device for dispersing the air within the chamber. The air provided to the chamber should preferably be sterilized by a decontamination system. The decontamination system includes an air intake assembly for supplying a flow of air and an air purification chamber comprising an air inlet functionally connected to the air intake assembly, a device for purifying the air as it passes through said chamber, and an air outlet.

Abstract: Cryostat systems comprise first and second liquid interconnected helium baths, and a magnet structure which is immersed in one of the baths. The liquid helium is cooled by means of a pumped refrigeration means. The pumped refrigeration means is replaced with a pulse tube refrigerator which can be located directly within the two baths. The pulse tube refrigerator has a “cold finger” having cold and warm ends. The cold end extracts into the bath housing the coil structure and has heat exchange connected thereto. The pulse tube refrigerator can also serve to cool the radiation shields.

Abstract: Device for treating a fibrous pulp web that includes at least one support face, which is one of moving and stationary. The fibrous pulp web may be guided over the at least one support face. The device also includes at least one sealing device positioned on a side of the fibrous pulp web facing away from the at least one support face to strip at least a majority of a bordering air layer that entrained by the fibrous pulp web. The at least one sealing device may include a sealing disc that is one of substantially straight and at least partially curved, and that is at least one of elastically formed and resiliently mounted.

Abstract: A system for producing carbon monoxide wherein a carbon monoxide containing feed stream is processed in a membrane separation unit for partial removal of carbon dioxide, cooled to complete the removal of carbon dioxide, and then processed in a cryogenic separation system comprising a first cryogenic separation column and a second cryogenic separation column for the production of product carbon monoxide.

Abstract: Methane hydrate gas is trapped on the bottom of the sea or on the bottom of the water without releasing it into the open air. A sheet (flexible sheet) 2 is formed and is sunk on the bottom of the sea or on the bottom of the water to cover a predetermined area. The sheet 2 is spread on the bottom of the sea or on the bottom of the water to trap the methane hydrate gas inside the sheet 2 as the inside of the sheet 2 is lifted up by the buoyancy of methane gasified in the area on where the sheet 2 is spread.

Abstract: The present invention relates to a cooling system for cryostats or transport containers for liquids incorporating a PTR cooler. The cryostat usually consists of several interior cylindrical or otherwise shaped vessels for storing liquids. In particular, the cryostat for NMR applications and related fields usually comprises an outer vacuum case, sometimes also a nitrogen can, as well as one or several radiation shields and the helium vessel housing the superconducting magnet whereas the latter usually is made of NbTi, Nb3Sn, and/or some HTC conductor. It is the aim of the present invention to use a pulse tube cooler by incorporation into an NMR cryostat via an opening, an opening refers to the neck tube itself or to any other means for accessing the cryostat for filling or for energising the magnet or acting conjointly as a pressure relief tube or/and as a drainage outlet e.g.

Abstract: A compressor includes a transpire passageway exclusively communicated with a suction pressure area, and a throttle constituted by a clearance gap between an inner peripheral surface of an end portion of the shaft hole adjoining a crankcase chamber and an outer peripheral surface of a drive shaft. The transpire passageway has one end passageway portion being opened at a sealed portion sealed by a shaft sealing member disposed in a shaft hole. The transpire passageway has another end passageway portion being opened a suction pressure area.