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| Number | Title | Issue Date |
| 7025807 | Method for absorbing vapors and gases from pressure vessels The invention relates to a process for absorbing vapors and gasses by controlling overpressure in storage tanks during filling, transport and storing of fluids in liquid form. The process includes leading of gas down to the bottom of the tank, where a major part of ... | 04/11/2006 |
| 6635119 | Method of cleaning pressurized containers containing liquified petroleum gas The present invention relates to a method of cleaning a container having an amount of liquefied petroleum gas contained therein. The container is first inspected thoroughly for leaks. Heated nitrogen gas is then fed into the container. The heated nitrogen... | 10/21/2003 |
| 6478576 | Method and apparatus for controlling gasoline vapor emissions The present invention combines the gasoline vapor recovery efficiency advantages of a flirt "Partial Seal System", as disclosed, for example, in U.S. Pat. No. 4,680,004 to flirt, with the customer convenience advantages of gasoline vapor recovery systems ... | 11/12/2002 |
| 6212891 | Process components, containers, and pipes suitable for containing and transporting cryogenic temperature fluids Process components, containers, and pipes are provided that are constructed from ultra-high strength, low alloy steels containing less than 9 wt % nickel and having tensile strengths greater than 830 MPa (120 ksi) and DBTTs lower than about -73° C. (-100... | 04/10/2001 |
| 6193500 | Method and apparatus for controlling gasoline vapor emissions The present invention combines the gasoline vapor recovery efficiency advantages of a Hirt "Partial Seal System", as disclosed, for example, in U.S. Pat. No. 4,680,004 to Hirt, with the customer convenience advantages of gasoline vapor recovery systems em... | 02/27/2001 |
| 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 |
| 5205330 | Air breather system for fuel tank In an air breather system for the fuel tank of a vehicle, a mechanical seal is provided at the mouth of a filler pipe for preventing overflow from the mouth when filler gun is inserted into the mouth for fueling. The mouth is communicated with a canister ... | 04/27/1993 |
| 4946060 | Seal assembly for vehicle filler neck A seal assembly for a vehicle fuel tank filler neck includes a seal lip bordered by a seal casing rim on one side, and a shelf of the filler neck on the other, so as to protect the seal lip against side loading from the nozzle that it seals against.... | 08/07/1990 |
| 4932444 | Fill neck assembly for vehicle mounted fuel vapor recovery system An onboard fuel vapor recovery system for a motor vehicle includes a fill neck assembly mounted at the inlet end of a dual passage fuel tank fill pipe in which fuel dispensed into the fuel tank during a refueling operation passes through an inner conduit ... | 06/12/1990 |
| 4852758 | Plastic fuel tank A plastic fuel tank comprises a large main tank (1) and a small collecting tank connected to the main tank (1) by a flow-through opening (7). The collecting tank (3) is completely pulled into the underside (11) of the main tank (1), and includes vaulted l... | 08/01/1989 |
| 4821908 | On-board refueling vapor recovery system An onboard refueling vapor recovery system uses a primary venting line from the tank to the canister with an internal valve operated remotely from the filler pipe by the insertion of the fuel nozzle. This eliminates the need for valves and vent lines at t... | 04/18/1989 |
| 4770677 | Vapor recovery system A vapor recovery system is provided for recovering fuel vapors discharged from a fuel tank having a vent tube and a separate filler neck during refueling. The vapor recovery system includes a partition dividing the filler neck into an outer chamber commun... | 09/13/1988 |
| 4762156 | Fuel fill vapor recovery system with vapor recirculation An on board refueling vapor recovery system employs a recirculation line and a regulating valve to prevent the entrainment of atmospheric air into the fuel, without the use of a tight or rubbing seal around the fuel nozzle.... | 08/09/1988 |
| 4714172 | Vapor recovery systems A vapor vent valve (16) comprises a housing (28) the interior of which is divided into two fluid chambers (32, 34) by a movable wall (30). The first chamber (32) provides a closable junction in the vapor recovery passageway (18, 20) between a liquid fuel ... | 12/22/1987 |
| 4701198 | Fuel tank for use in a motor vehicle A fuel tank comprising a fuel inlet pipe and a cap detachably attached to the fuel inlet of the fuel inlet pipe. A valve port interconnecting the interior of the fuel tank to a canister is formed in the fuel inlet pipe. A control valve controlling the ope... | 10/20/1987 |
| 4671071 | Fuel-vapor recovery system A device liquefies fuel vapor generated in a fuel tank. An arrangement prevents the liquefied fuel from escaping into the atmosphere. The liquefied fuel may be returned to the fuel tank. A canister may be used to trap fuel vapor which is not liquefied by ... | 06/09/1987 |
| 4541248 | Constant temperature refrigeration system for a freeze heat exchanger A freeze concentrator of the shell and tube type containing a pool of liquid cryogen within the shell, the concentrator being adapted to maintain a constant temperature within the liquid cryogen. The temperature control comprises a flash tank located abov... | 09/17/1985 |
| 4487025 | Passive booster for pumping liquified gases The present invention comprises a method and apparatus for maintaining a liquified gas such as CO2 or N2 in a liquid state prior to its introduction into the suction of a positive displacement pump such as is commonly employed in hig... | 12/11/1984 |
| 4479460 | Pressure-vacuum cooling system for internal combustion engine utilizing reservoir A coolant system for an internal combustion engine equipped with a radiator, involving the use of a reservoir utilized in a semi-hermetically sealed relationship with the engine and radiator, such that only rarely does additional coolant liquid need be ad... | 10/30/1984 |
| 4444366 | Oil tank for aircraft An oil tank for an aircraft mounted engine compensates for differences in oil capacity occasioned when the oil tank in each engine mounted under the wing is oriented with respect to the wing's dihedral angle and the angle of the engine which is normal to ... | 04/24/1984 |
| 4422301 | Evaporative loss reduction Process and apparatus for recovery of vapor which is contained with air in a space above a volatile liquid which is stored in a container, especially a petroleum distillate or other costly liquid. The process employs the pressure build up due to thermal e... | 12/27/1983 |
| 4416108 | Device for reducing evaporation loss from carburetors and fuel tanks A lawn mower is illustrated as including a carburetor having a float bowl adapted to contain a vent assembly for selectively venting the air space of the carburetor float bowl to the atmosphere when the internal combustion engine of the lawn mower is runn... | 11/22/1983 |
| 4332136 | Refrigerating apparatus The refrigerating apparatus for a load in a coolant bath has a buffer tank which is maintained at a low pressure via a vacuum pump. The buffer tank communicates via a valve with a vapor chamber above the coolant bath. Upon an increase in heat evolution fr... | 06/01/1982 |
| 4320788 | Apparatus for the bulk delivery of volatile liquids Apparatus for the bulk delivery of a volatile liquid including a mobile delivery vessel having at least one compartment for the bulk storage of the volatile liquid. Each compartment has a liquid outlet controlled by a remotely controllable liquid outlet v... | 03/23/1982 |
| 4259846 | Vessel for storing cryogenic liquids An arrangement for storing cryogenic liquid comprises a Dewar-flask-like vessel. The vessel is filled completely with a material able to absorb a cryogenic substance when said substance is in liquid form but only capable of absorbing said substance to a l... | 04/07/1981 |
| 4246938 | Vapor collecting system A system for safely and efficiently collecting vapors which might otherwise be released during the storage or transfer of a volatile liquid to and from a storage facility. The system includes a collapsible walled receptacle or reservoir which is connected... | 01/27/1981 |
| 4233922 | Fluid transfer system for tanker vessels An improved fluid transfer system for a tanker vessel adapted for the transportation of fluid chemical and petroleum products in water. The vessel includes a hull comprising a bottom and sides, a top deck, a plurality of watertight cargo compartments disp... | 11/18/1980 |
| 4122684 | Method for the recovery of volatile liquids Condensing of low boiling material from a gas by contact with heat exchange surface cooled with a boiling intermediate refrigerant which is itself condensed by boiling cryogenic fluid passing from a source to a sink of cryogenic fluid.... | 10/31/1978 |
| 4100758 | Vacuum assist fuel system A system for transferring a volatile liquid such as a fuel into a tank, from a storage facility. A nozzle sealably and removably engages the tank to pass a flow of liquid to the tank, and to return vapors therefrom to the storage facility. The fuel passin... | 07/18/1978 |
| 4033872 | Reservoir tank A reservoir tank has filling and outlet ports which are provided in a common aperture formed through the tank top.... | 07/05/1977 |
| 3995871 | Vapor recovery overturn rail A vapor recovery system for a tank vehicle in which longitudinally extending hollow overturn rails are integrated with the tank, said rails providing preferably a plurality of separate passages which are connected to the tank vents and serve as collectors... | 12/07/1976 |
| 3967465 | Container for storing and transporting a liquefied gas Container for storing and transporting a liquefied gas provided with an auxiliary container which contains a material by which gas produced by evaporation of the liquid is sorbed at a temperature higher than the temperature of the liquid.... | 07/06/1976 |
| 3967938 | Process for the separation of a gaseous mixture consisting of water vapor, hydrocarbons, and air In the dispensing of gasoline into a tank used for the storage or transportation of gasoline wherein the gasoline displaces a gaseous mixture of air and gasoline, and said mixture is treated to a recovery step to separate said gasoline from said mixture, ... | 07/06/1976 |
