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Matches 151 - 200 out of 327 < 1 2 3 4 5 6 7 >


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5263329 Flow management apparatus for cryogenic liquid  
In a tank 10 for cryogenic liquid to be used in a low-gravity environment (e.g., on a space vehicle), a liquid transfer apparatus 15 (which comprises an elongate array of fins 32 and a sponge...
5243821 Method and apparatus for delivering a continuous quantity of gas over a wide range of flow rates  
Method and apparatus for delivering high pressure gas to a point of use over a wide range of flowrates by storing said gas as a cryogenic fluid, removing said cryogenic fluid by means of a single...
5237824 Apparatus and method for delivering supercritical fluid  
A method and apparatus for delivering supercritical fluids uses one or two high pressure vessels. Each vessel is cooled below the critical temperature of the fluid while the vessel is being filled....
5228295 No loss fueling station for liquid natural gas vehicles  
The fueling station of the invention consists of a vacuum insulated storage tank for storing large quantities of LNG at low pressure. A delivery line connects the LNG in the storage tank with a...
5218827 Pumping of liquified gas  
Method and apparatus for supplying from a vessel to a pump liquified gas with subcooling so as to avoid cavitation during pumping. A supply conduit supplies liquified gas from the vessel bottom to...
5214925 Use of liquified compressed gases as a refrigerant to suppress cavitation and compressibility when pumping liquified compressed gases  
Methods and apparatus for economically and effectively using a portion of a liquified compressed gas feedstock, such as liquid carbon dioxide, as a refrigerant to cool said liquified compressed gas...
5193348 Device for cooling a SQUID measuring instrument  
A device for cooling a SQUID measuring instrument for measuring biomagnetic or other weak magnetic fields includes a cryostat containing a vacuum in an interior space. At least one superconducting...
5189889 Refrigerant reclaiming device  
An apparatus for reclaiming contaminated refrigerant is disclosed. This apparatus contains three heat exchangers, the first of which cools the refrigerant to a temperature of less than about 32...
5161381 Cryogenic liquid sampling system  
A sampling system for cryogenic liquid sampling which passes vaporized cryogenic fluid to an analyzer through a conduit having a defined restriction such as an orifice at or downstream of the input...
5142874 Cryogenic apparatus  
A cryogenic apparatus is described which is designed to be of a compact size and to provide multiple functions, including chilling of gas or liquid, condensation of condensible vapors, and...
5140822 Method and apparatus for chilling and carbonating a liquid using liquid carbon dioxide  
An apparatus for chilling and carbonating a liquid comprising a source of carbon dioxide disposed in a container the carbon dioxide in a container being capable of existing in both a liquid and...
5101636 Cryogen delivery apparatus and method for regulating the cooling potential of a flowing cryogen  
The present invention relates to a cryogen delivery apparatus and method for delivering a flowing cryogen with a regulated cooling potential. The apparatus includes a pressure vessel for receiving...
5086619 Filler apparatus for providing cryogenic liquid coolant to dewars such as those used in radiation detectors  
A filler apparatus for cryogenic dewars, such as are used in infrared detectors in infrared spectrometers, has an inlet port funnel which is connected to a liquid delivery tube which extends...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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),...
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...
Matches 151 - 200 out of 327 < 1 2 3 4 5 6 7 >