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| Number | Title | Issue Date |
| 7334743 | Fog generating system and method of installing same A fog generating system (20) includes a fluid feed conduit (22) and extension tube assemblies (26) spaced along the conduit (22). The assemblies (26) include nozzle fittings (40) coupled to extension tubes (32). Misti... | 02/26/2008 |
| 7299641 | Cryogenic storage system with improved temperature control A cryogenic storage system for cryogenic storage using liquid refrigerant is provided. The cryogenic storage system includes first and second vacuum vessels, a vacuum source, a quantity of a liquid refrigerant, and at least one temperature control assembly. An insul... | 11/27/2007 |
| 7114342 | Pressure management system for liquefied natural gas vehicle fuel tanks A storage and delivery device for a cryogenic liquid that includes a vessel assembly and a delivery line assembly. The vessel assembly has a liquid space and a vapor space. The delivery line assembly has a liquid line, a vapor line, and a delivery line. The liquid l... | 10/03/2006 |
| 7021065 | Special effects cloud generation system An effects generation system structured to produce a controlled special effects cloud and comprising a cryogenic fluid source including a container wherein a quantity of a cryogenic fluid is stored. The container includes a fluid outlet and a fluid inlet, the fluid ... | 04/04/2006 |
| 6786053 | Pressure pod cryogenic fluid expander A system that generates high pressure cryogenic gas includes a storage tank that contains a liquid cryogen and a feed line that supplies the liquid cryogen to a pressure pod. The pressure in the pressure pod gradually increases due to ambient heat to a first predete... | 09/07/2004 |
| 6729145 | Process plant A process plant (1) for handling combustibles fluids, for example an oil production plant in which gaseous hydrocarbons are separated from oil and in which surplus gases or residual gases from uncontrolled build-ups of gas pressure in the process escape throu... | 05/04/2004 |
| 6631615 | Storage pressure and heat management system for bulk transfers of cryogenic liquids A system for transferring and conditioning a cryogenic liquid includes a replenishing tank containing a supply of cryogenic liquid, a bulk tank and a pump positioned there between. The pump causes a stream of the cryogenic liquid to flow from the replenis... | 10/14/2003 |
| 6619048 | Special effects cloud generation system An effects generation system structured to produce a controlled special effects cloud and comprising a cryogenic fluid source including a container wherein a quantity of a cryogenic fluid is stored. The container includes a fluid outlet and a fluid inlet,... | 09/16/2003 |
| 6584998 | Apparatus and method for regulating gas flow An apparatus and method provide automatic regulation of flow of fluid from a source where it is stored as liquified gas. The apparatus includes a flow control valve connected in a conduit connecting the source in flow communication to a vaporizer. The app... | 07/01/2003 |
| 6526760 | Method and apparatus for conveying a cryogenically-stored fuel The invention relates to a method and an apparatus for conveying a cryogenically-stored fuel to an internal-combustion engine for providing a combustible working gas. In accordance with the invention, the cryogenically-stored fuel is drawn, in the liquid ... | 03/04/2003 |
| 6430940 | Special effects cloud generation system An effects generation system structured to produce a controlled special effects cloud and including a cryogenic fluid source including a container wherein a quantity of a cryogenic fluid is stored. The container includes a fluid outlet and a fluid inlet, ... | 08/13/2002 |
| 6311738 | Medical liquid oxygen storage, dispensing, and billing system and method A method and system for the storage and dispensing of medical grade liquid oxygen are provided. Medical grade liquid oxygen is stored in a storage tank located within a medical facility which is capable of dispensing liquid oxygen to portable liquid oxyge... | 11/06/2001 |
| 6182715 | Liquid nitrogen injection system with flexible dosing arm for pressurization and inerting containers on production lines A liquid-nitrogen injection system comprises a vacuum-insulated reservoir that is held aloft and to one side of a flexible dosing arm. Such reservoir is completely sealed and capped on its top and sides, the vent, feed, return, and supply conduits enter o... | 02/06/2001 |
| 6125637 | Systems for delivering liquified natural gas to an engine A fuel delivery system includes a fuel tank configured to receive liquid natural gas. A first conduit extends from a vapor holding portion of the fuel tank to an economizer valve. A second conduit extends from a liquid holding portion of the fuel tank to ... | 10/03/2000 |
| 5787940 | Cryogenic fluid system and method of pumping cryogenic fluid A system and method for the delivery of cryogenic fluid, more particularly a cryogenic fuel, such as, for example, but not limited to an liquified natural gas (LNG), to a cryogenic fluid using source, and more particularly an LNG fuel source, and even mor... | 08/04/1998 |
| 5771946 | Method and apparatus for fueling vehicles with liquefied cryogenic fuel Apparatus for, and a method of, withdrawing liquefied cryogenic fuel stored in a primary insulated storage tank at a relatively low pressure and temperature; increasing the pressure of the withdrawn liquefied cryogenic fuel through a heat exchanger to war... | 06/30/1998 |
| 5687776 | Method and apparatus for fueling vehicles with liquefied cryogenic fuel Apparatus for, and a method of, withdrawing liquefied cryogenic fuel stored in a primary insulated storage tank at a low pressure and at a temperature close to its boiling point; increasing the pressure of the withdrawn liquefied cryogenic fuel and then f... | 11/18/1997 |
| 5685159 | Method and system for storing cold liquid The present invention relates to a method and system for storing cold fluid. The system includes a main tank and an auxiliary tank that are in fluid communication, and the auxiliary tank receives vapor and expanding fluid as the cold fluid in the main tan... | 11/11/1997 |
| 5655578 | Control system for filling of tanks with saturated liquids The invention described in the patent is an automatic control system which provides monitoring, supervision, and control of the process of filling of a tank or container with a liquid, where at the temperature of operation the vapor pressure of the liquid... | 08/12/1997 |
| 5582015 | Liquid nitrogen capillary heat exchanger A liquid nitrogen capillary tube heat exchanger comprises a vertical array of alternating vaporization chambers and pressure control chambers connected together in series. The vaporization chambers each have a plurality of capillary tubes mounted in exter... | 12/10/1996 |
| 5572880 | Apparatus for providing a conditioned airflow inside a microenvironment and method An apparatus for providing a conditioned airflow inside a microenvironment using a portion of the breathing gas supply diverted to an ejector from a breathing respirator gas stream, is described. The respirator, such as a liquified-gas type respirator, in... | 11/12/1996 |
| 5571231 | Apparatus for storing a multi-component cryogenic liquid An apparatus for storing a multi-component cryogenic liquid in which headspace vapor in a storage tank is condensed in an external condensation tank through indirect heat exchange with liquid being vented from the storage tank. The resulting condensate ca... | 11/05/1996 |
| 5477691 | Liquid cryogen delivery system A liquid cryogen delivery system for providing liquid cryogen to a use point, such as a freezer, at a constant temperature employing a subcooler for use disposed between the cryogen source and use point wherein expanding fluid flows countercurrently and a... | 12/26/1995 |
| 5465582 | Cryogenic liquid dispensers An apparatus for dispensing a cryogenic liquid includes means for focusing a beam of energy, eg. laser energy from a source onto the liquid cryogen as it passes through an outlet from a cryogenic liquid container.... | 11/14/1995 |
| 5421161 | Storage system for cryogenic fluids A relief valve is provided in the dip tube line that provides a fixed back pressure of 2-3 psi. When the economizer valve on the economizer circuit opens, the back pressure in the dip tube is the head pressure plus the 2-3 psi created by the relief valve.... | 06/06/1995 |
| 5400601 | Process and device for the distribution of quantities of liquid, particularly liquefied gas Quantities of liquid are distributed via a conduit (5) connected to a source (4) of the liquid, by periodically opening and closing a closure member (7) disposed in the conduit, and injecting, during a predetermined period, immediately after the 5 closing... | 03/28/1995 |
| 5394704 | Alternate method for achieving temperature control in the -160 to +90 degrees Celcius range A single-pass method for accurate and precise temperature control in the -160° to +90° C. range, and which exhibited minimal set-point overshoot during temperature transitions. Control to &#b1;2° C. with transitions between set-points of 7° C. per ... | 03/07/1995 |
| 5385025 | Apparatus and method for dispensing droplets of a cryogenic liquid The present invention produces discrete droplets of cryogenic liquid, suitable for injection into receptacles such as cans or plastic bottles, at high speeds. A container of cryogenic liquid includes a hole and an orifice, spaced apart from each other, an... | 01/31/1995 |
| 5373702 | LNG delivery system Two LNG storage tanks receive LNG from a fill station. The two storage tanks are connected to an overflow tank into which the LNG flows during pressurization of the system. The overflow tank is connected to the use device, i.e. the vehicle's engine, throu... | 12/20/1994 |
| 5373701 | Cryogenic station A cryogenic station for delivering a cryogen substantially free of higher boiling impurities. The cryogenic station includes an insulated main tank and an auxiliary tank. Liquid stored in the main tank and pressurized by a pressure building circuit is dri... | 12/20/1994 |
| 5373700 | Natural gas vehicle fuel vapor delivery system A natural gas vehicle fuel delivery system regulates the pressure of LNG which is vaporized and delivered to an engine. The system employs dual regulator valves responsive to the gas phase pressure of a storage tank to either directly couple vapor produce... | 12/20/1994 |
| 5365745 | Portable life support system The invention in its preferred embodiment is a portable life support system for use in warm water diving providing temperature regulation and breathable atmosphere through cryogenic technology while maintaining neutral buoyancy and trim throughout zero-gr... | 11/22/1994 |
| 5361591 | Portable life support system The invention in its preferred embodiment is a portable life support system providing the wearer of a garment with temperature regulation and a breathable atmosphere using cryogenic technology. Wherein a liquid cryogen is vaporized by heat exchange with t... | 11/08/1994 |
| 5357758 | All position cryogenic liquefied-gas container A cryogenic fluid Dewar container (10) for supplying a gas mixture to an on-demand external delivery device, such as a regulator and associated facepiece (84) independent of the direction of its gravitational field and spatial orientation of the container... | 10/25/1994 |
| 5329462 | Expansion valve control A control for the expansion valve of an air conditioning system interrupts a decision to deactivate one or more stages of compression and proceeds to calculate a new expansion valve position based upon the amount of capacity to be lost by the deactivated ... | 07/12/1994 |
| 5325894 | Method and apparatus for fueling vehicles with liquefied natural gas Apparatus for, and a method of, withdrawing liquefied natural gas stored in a primary insulated storage tank at a low pressure and at a temperature close to its boiling point; increasing the pressure of the withdrawn liquefied natural gas and then feeding... | 07/05/1994 |
| 5313787 | Refrigeration trailer A method and apparatus to refrigerate air in a compartment wherein liquid CO2 is delivered through a first primary heat exchanger such that sufficient heat is absorbed to evaporate the liquid carbon dioxide to form pressurized vapor. The pressu... | 05/24/1994 |
| 5272881 | Liquid cryogen dispensing apparatus and method A liquid cryogen is supplied, preferably by means of a reservoir, to a dispensing tube so that the liquid cryogen tends to flow from the dispensing tube. A heating coil wrapped around the dispensing tube heats the dispensing tube so that the liquid cryoge... | 12/28/1993 |
| 5231838 | No loss single line fueling station for liquid natural gas vehicles A vacuum insulated storage vessel holds a quantity of LNG for delivery to a pressure building tank. The pressure building tank maintains a natural gas head over the LNG. The pressure in the pressure building tank is lowered using liquid nitrogen (LN2... | 08/03/1993 |
| 5136852 | Control regulator and delivery system for a cryogenic vessel The regulator of the invention includes a pressure builder inlet, economizer outlet and a pressure builder outlet/economizer inlet. A valve is moved in response to the pressure of the gas head in the tank to connect the pressure builder outlet/economizer ... | 08/11/1992 |
