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4987932 |
Process and apparatus for rapidly filling a pressure vessel with gas
A process and apparatus for rapidly filling a pressure vessel such as a fuel storage tank with highly pressurized gas by initially inserting into the tank, a measured quantity of liquefied natural...
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4986296 |
Method and apparatus for chlorinating water with liquefied chlorine
A liquefied gas, such as liquefied chlorine, which is injected into a liquid stream such as an aqueous stream, in the liquid state, is prevented from causing the liquid stream to freeze by cooling...
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4977747 |
Process and container for supplying supercritical CO2
A cylinder (1) having a plunger tube (3) contains a mass of supercritical CO2 containing 7 to 8% dissolved hydrogen, surmounted by a gaseous sky constituted by hydrogen under a pressure higher than...
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4961325 |
High pressure gas supply system
Method and apparatus for supplying gas, especially a cryogenic gas, to a use point at high pressure, especially supercritical pressure, with little or no lag time comprising a gas supply for...
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4947650 |
Method and apparatus for liquid cryogen pressurization of containers of particulates
Liquid cryogen is added to a container of particulate material (e.g. powder, flakes or granules) immediately before the container is capped as part of a process for pressurizing the container. A...
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4917576 |
Method and apparatus for conveying a liquid
In a method for conveying a liquid at or in the proximity of its boiling temperature, in particular, liquid hydrogen, by means of a pump which draws the liquid from a storage container through a...
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4910963 |
Solar energy process
Solar energy produces electric current which powers an electrolysis unit and a cryogenic cooling unit. Gaseous hydrogen and gaseous oxygen are liquified in the cooling unit and pumped into...
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4909038 |
Control system for dispensing a cryogenic fluid
A simple, inexpensive and reliable dispensing system for a cryogenic fluid is presented. The system controls the dispensing of a cryogenic liquid, such as liquid nitrogen, from a large, well...
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4878350 |
Pulsation dampening device for super critical fluid expansion engine, hydraulic engine or pump in cryogenic service
The present invention discloses a surge bottle or pulsation dampening device for cryogenic services which comprises three sections: a liquid sump section comprised of an enclosed area containing a...
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4872314 |
Superconducting coil refrigerating method and superconducting apparatus
In a superconducting coil refrigerating method and a superconducting apparatus, a flow of liquid helium is induced in a helium vessel only at a specified time upon change of a current of the...
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4869077 |
Open-cycle cooling apparatus
An improved open-cycle cooling apparatus in which a cooling chamber holding a device to be cooled is coupled with a cold fluid delivery system and, in which the cold fluid delivery system includes...
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4854128 |
Cryogen supply system
A cryogen supply system for supplying either gaseous state cryogen or liquid state cryogen. The cryogen supply system includes a thermally insulated fluid container for holding a volume of...
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4848093 |
Apparatus and method for regulating temperature in a cryogenic test chamber
An apparatus and method for regulating the temperature in a cryogenic test chamber. Liquid helium is drawn into a test chamber located in a cryogenic vessel through a capillary tube which is spaced...
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4841969 |
Device for the production of a cold treatment-gas for cryotherapy
A device for producing cyrotherapy with liquid nitrogen includes a container for the liquid nitrogen with electrical heating in its interior. The container has a maximum volume of 50 l and the...
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4835972 |
Flex-line vibration isolator and cryopump with vibration isolation
A vibration isolator particularly suited to isolating a closed cycle refrigerator in a cryopump includes a bellows having o-rings made of vibration damping material secured between the corragations...
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4829773 |
Air flow visualizing device
An air flow visualizing device for introducing clean steam generating by a steam generating device into an insulating chamber in which a refrigerant such as liquid nitrogen or the like is enclosed...
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4791788 |
Method for obtaining improved temperature regulation when using liquid helium cooling
A method for controlling the flow of a cooling medium such as helium into an insulated chamber surrounding a region to establish a stable thermal environment in the region over a wide range of...
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4773228 |
Cryostat
A cryostat comprising a cryogenic vessel for storing a cryogen therein, a port pipe disposed at a portion of the vessel for holding one end of a supply pipe for supplying the cryogen to the vessel...
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4744222 |
Very low temperature liquid transfer system
A very low temperature liquid transfer system of the present invention is constructed with first and second containers, each storing therein very low temperature liquid; a connecting tube for...
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4741166 |
Liquified gas subcooler and pressure regulator
An apparatus is disclosed for regulating a liquified gas input stream for temperature and pressure. The apparatus produces a pressurized head of liquified gas while removing gaseous material to...
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4726194 |
Transfer system
A transfer system for use in transferring cryogen from a source to a point of use, comprising a flexible conduit for through flow of cryogenic fluid, heating means external of the flexible conduit...
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4719969 |
Vibration and shock resistant heat exchanger
A vibration and shock resistant finned tube counter-flow heat exchanger crising a rigid support member wound about the inner wall of the heat exchanger shell at the same pitch as the finned tube...
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4715186 |
Coolant preservation container
A coolant preservation container having vacuum space in a peripheral portion of the interior thereof for making a container member adiabatic and a partition for dividing the container member into a...
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4715187 |
Controlled cryogenic liquid delivery
A controlled stream of liquid cryogen is delivered from a system comprising: (a) a source of liquid cryogen at a substantially constant pressure, remote from the outlet; (b) a conduit connecting...
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4672823 |
Dilution cryostat
A 3 He-4 He dilution cryostat is provided in which a series of concentric dismountable enclosures permit ready disassembly for servicing and sample changing, and in which a secondary pumping...
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4667478 |
Apparatus and method for the cryogenic treatment and heating of materials
The apparatus comprises an insulated storage tank adapted to hold a liquified cryogenic fluid and vapor emanating from the liquified cryogenic fluid, an insulated working chamber adapted to hold an...
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4608830 |
Method and apparatus for the automatic refilling of a liquid hydrogen tank in a motor vehicle
In order to achieve efficient refueling with a method and an apparatus for the automatic refilling of a liquid hydrogen tank in a motor vehicle in which the tank is connected to a liquid hydrogen...
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4592205 |
Low pressure cryogenic liquid delivery system
A low pressure delivery system for cryogenic liquids is disclosed, the system being capable of providing a stream of a single-phase cryogenic liquid at a substantially constant low pressure, in the...
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4586343 |
Process and device for metering small amounts of a low boiling liquified gas
The invention concerns a process and device for metering small amounts of a low boiling liquified gas which flows from an orifice of a cold-insulated vessel. In this process and device the orifice...
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4583372 |
Methods of and apparatus for storing and delivering a fluid
A fluid (12), such as dichlorosilane, is stored in a pressure vessel (17) located at a site remote from a processing facility within the confines of a building (14). At such remote site the...
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4554791 |
Apparatus for conveying liquids
The invention relates to an apparatus for conveying liquids of which the vapor pressure is above atmospheric at ambient temperatures from a storage container to a delivery point, particularly for...
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4497178 |
Method of preventing atmosphere from entering heat-insulating container
A method of preventing the atmosphere from entering a heat-insulating container adapted to temporarily reserve a low-temperature liquefied gas, wherein a dry gas is constantly supplied to the...
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4489569 |
Cooling apparatus for the rapid cooling of specimens
A cooling apparatus utilizing liquid nitrogen for cooling specimens to temperatures in the range from -100° C. to -195° C. in propane, halogenated hydrocarbons, isopentane, or other cooling m...
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4479362 |
Cryogenic cooling of pneumatically transported solids
The present invention is an improved process for cooling cement which comprises injecting liquid nitrogen into a pneumatic transport line used to convey the cement.
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4448042 |
Coolant supply and discharge device for superconductive rotor
A coolant supply and discharge device for a superconductive rotor including a gaseous coolant withdrawing tube for withdrawing a gaseous coolant located at an end portion of fixed casing enclosing...
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4445543 |
Flexible hose for liquefied gases
Flexible hose for liquefied gases, comprising a tubular body of biaxially oriented polypropylene film (2) arranged between an inner helically wound wire (3) and an outer helically wound wire (4),...
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4412851 |
Cryogenic apparatus suitable for operations in zero gravity
The invention relates to cryogenic apparatus of the open cycle kind comprising a reservoir 1 for storing cryogenic fluid in liquid-vapor phase equilibrium and a phase separator 2 presenting an...
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4406129 |
Saturated cryogenic fuel system
A cryogenic fuel system for an internal combustion engine utilizing both the liquid and vapor of a saturated liquid fuel comprising an insulated storage tank having inner and outer walls a vapor...
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4372332 |
Compressor station for arctic gas pipeline
The cold decompressed gas flowing into the compression station is preheated by the compressed warmer gas discharged by the station's compressor, thereby raising the temperature of the compressed...
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4336689 |
Process for delivering liquid cryogen
A process for delivering a liquid cryogen to a use point in an essentially liquid phase at an about constant flow rate in the range of about 1 to about 40 pounds per hour, said use point having a...
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4325712 |
Method and device for conveying an essentially gaseous fluid through a pipe
This invention comprises a device and method for producing and conveying a diphasic fluid. The method comprises mixing the gas with a liquid to produce a diphasic fluid which is forced into a pipe...
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4299091 |
Portable cryogenic liquid storage-gas supply system
A portable cryogenic liquid storage-gas supply system including an evacuable double-walled cryogenic liquid container being invertible between a top-up dispensing and bottom-up filling positions...
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4296610 |
Liquid cryogen delivery system
Apparatus and process for delivering small controlled quantities of a liquid cryogen to a use point in an intermittent manner comprising an off-period in which no liquid is desired at the use point...
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4289986 |
Coolant connecting head for an electric machine with a superconducting rotor winding
A coolant connecting head for an electric machine which contains a rotor with a superconducting winding, the head including a device for feeding a coolant from a non-rotating coolant line part into...
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4279626 |
Apparatus for separating the gas which evaporates during the transfer of low-boiling liquified gases
An apparatus for separating the gas which evaporates during the transfer of low-boiling gases includes a porous hollow body which is supplied with the gas-liquid mixture to be separated and...
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4277950 |
Cryogenic liquid transfer termination apparatus
Apparatus for termination of cryogenic liquid transfer from a liquid supply container to a storage-dispensing container.
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4271676 |
Method and apparatus for recovering natural gas in a mine
Method and apparatus are disclosed for the recovery and removal of natural gas from a mine by liquefying and collecting the gas within the mine, and then transporting the liquified gas to the...
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4243493 |
Process for transportation and distillation of petroleum with methanol
An improved petroleum distillation process in which methanol is added to the petroleum to be distilled and methanol/hydrocarbon azeotrope is recovered boiling at about 63° C. which can be used as ...
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4206610 |
Method and apparatus for transporting coal as a coal/liquid carbon dioxide slurry
Method and apparatus for transporting coal in finely divided form in a coal/liquid slurry. Liquid carbon dioxide, which can be formed by burning coal at the coal source point and liquefying the...
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4198828 |
Cryostat and coolant-supply system therefore
A device for supplying coolant to a cryostat has a container containing liquified gas. An insulated first tube supplies coolant gas from the container to the cryostat. An end part of this tube is...
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