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| Number | Title | Issue Date |
| 4964882 | Flame arrestor The invention teaches a method of spacing the elements of a flame arrestor and securing that spacing in a simple and economical manner. A shim is used to space the elements, the elements are welded together and the shim is removed. This leaves a controlle... | 10/23/1990 |
| 4881948 | Gas shutoff apparatus A gas flow rate is measured and therefrom "consumption state" defined by combination of maximum flow rate, increase of total amount and a consumption time of the gas is detected, and then, the consumption state is compared with a "reference consumption co... | 11/21/1989 |
| 4806096 | Back-fire preventive unit in a gas cutting torch A manual gas cutting torch to be used for fusion-cutting iron materials such as steel frames or iron plates includes a flame port at its cutting tip, a plurality of ports connected with gas and oxygen cylinders at its rear edge, and a handle section for h... | 02/21/1989 |
| 4785158 | Flame arrestor and method of manufacture A method of spacing the elements of a flame arrestor and securing that spacing in a simple and economical manner. A shim is used to space the elements, the elements are welded together and the shim is removed. This leaves a controlled flow path between th... | 11/15/1988 |
| 4671060 | Explosion-protected diesel engine A diesel engine has a fresh-air intake, an exhaust-gas output, and a cooling system in which a liquid coolant is circulated. This system is provided with an antiexplosion system having an intake flame arrester in the intake and a jacketed exhaust-pipe sec... | 06/09/1987 |
| 4562051 | Generation of anaerobic or microaerophilic atmosphere Apparatus and method for generating an anaerobic or microaerophilic atmosphere. A package consisting of a foil envelope has internal compartments for a hydrogen generating material, for a catalyst and for receiving water. The catalyst compartment is provi... | 12/31/1985 |
| 4477262 | Mixer for cutting torch An improvement in a cutting torch assembly that obviates the tendency to have a flashback and sustained burning immediately adjacent the point of mixing of the fuel with preheat oxygen; including cutting oxygen valve and passageway, preheat oxygen valve a... | 10/16/1984 |
| 4444109 | Flame arrestor device with pourous membrane A flame arrestor device capable of checking flashback when incorporated in a system utilizing one or more detonatable gases under pressure for controlled energy release purposes, the device being generally installed in series having one or more gas source... | 04/24/1984 |
| 4424319 | Process for reducing the chances of ignition and explosion due to the decompositon of high-pressure industrial process gases The danger of explosion due to decomposition of high-pressure industrial process gases, such as ethylene, is reduced by maintaining in an inert atmosphere at least part of an evacuation system included between a pressurized vessel within which the decompo... | 01/03/1984 |
| 4420139 | Device for remote control an actuator of a shut-off member A device for remote control of actuator of a shut-off member comprises an autonomous source of energy and a distributor connected therewith. The autonomous source of energy is fashioned as two units, each unit containing at least two gas generators with i... | 12/13/1983 |
| 4409002 | Utility torch having head mixer An improvement in a cutting torch assembly that obviates the tendency to have flashback and sustained burning with certain fuels, including cutting oxygen valve and passageway, preheat oxygen valve and passageway, fuel gas valve and passageway, a head hav... | 10/11/1983 |
| 4388083 | Mixing block for explosive gas mixtures detonated in a combustion chamber A mixing block, for attachment to a combustion chamber in which a solid body or material is briefly subjected to high temperature and pressure by the detonation of an explosive gas mixture, is composed of three block-like parts clamped together by screws.... | 06/14/1983 |
| 4374649 | Flame arrestor A flame arrestor is disclosed which includes a conduit extending along inside of a drum arranged to contain a quantity of non-combustible liquid. This conduit is equipped with bubbler nozzles that discharge a combustible gas into the liquid in the form of... | 02/22/1983 |
| 4373698 | Shutoff valve actuator remote control system A shutoff valve actuator remote control system includes a main control apparatus and a duplicating control apparatus connected therewith. The duplicating control apparatus comprises a self-contained power source in the form of a gas generator with an igni... | 02/15/1983 |
| 4361420 | Gas flame torch system with flash arresters For use in a welding system which uses combustible gases and the like, a flash arrester comprising a main body having an opening therethrough and including a frusto-conical seat, and a ball cage body positioned in the main body and having an axial opening... | 11/30/1982 |
| 4342568 | Refuse disposal apparatus Disclosed is a refuse disposal apparatus in which refuse fed into a fermenting vat can be disposed by subjecting the refuse to methane fermentation, the fermenting vat including a heating device for heating the refuse in the fermenting vat to a proper tem... | 08/03/1982 |
| 4311167 | Regulator installation for fluid transmission or distribution systems A regulator installation, for controlling the pressure and/or flow of gas in a gas transmission or distribution system, comprising a compact module (10) having an inlet (32) and an outlet (33) adapted to be fitted in a pipeline (1) and containing within i... | 01/19/1982 |
| 4288211 | Process and device for the introduction of explosive gases into a combustion chamber When explosive gases are introduced into a combustion chamber care must be taken that no pre-ignition occurs. To this end, the gas is spatially subdivided into discrete volume elements, for example by means of a bundle of tubes having an internal diameter... | 09/08/1981 |
| 4251226 | Device for preventing backfire of inflammable gases A device for preventing backfire of inflammable gases comprising a cylinder, a balance spring, and a repelling magnet case. The cylinder holds both a valve casing whose rear edge shuts a gas induction passage when the casing is pushed backward by high pre... | 02/17/1981 |
| 4246002 | Flash arrester For use in a welding system which uses combustible gases and the like, a flash arrester comprising a main body having an opening therethrough and including a frusto-conical seat, and a ball cage body positioned in the main body and having an axial opening... | 01/20/1981 |
| 4231761 | Flare gas limiting apparaus for coal gasification unit Apparatus for limiting fuel gas fed to the gas flare unit in a coal pressure gasification unit provided with a gas-steam turbine power plant connected thereto. Safety valves and a pressure orifice minimize atmospheric pollution.... | 11/04/1980 |
| 4217316 | Immersed safety device and method for protection against back-fire in explosive gas steams An apparatus and method for the protection of a pipe containing an inflammable gas against back fire. The apparatus comprises a container partially filled with liquid extending along a given length of the container and at a give level, at least one gas fe... | 08/12/1980 |
| 4192656 | Method and apparatus for halting the advancement of accidental ethylene decomposition in a gas pipeline In a system in which compressed ethylene is scheduled to flow through pipes, and in which there is danger of decomposition of ethylene and danger of the spreading of a reaction boundary of the exothermic decomposition reaction, a method and means are prov... | 03/11/1980 |
| 4192657 | Method and apparatus for halting the advancement of ethylene decomposition flame fronts A flame arrestor is provided which can be connected with closely adjacent upstream and downstream portions of a pipeline. The gas flows through an array of narrow tubes immersed in the lower half of a normally liquid heat transfer fluid, thus normally mai... | 03/11/1980 |
| 4192658 | Pipeline flame arrestor A flame arrestor directs the gas stream to flow through an array of narrow tubes immersed in a normally liquid heat transfer fluid. The gas composition flowing through the flame arrestor is normally maintained at the ambient temperature of such liquid. Ev... | 03/11/1980 |
| 4178155 | Pipeline blow down technique There is disclosed an installation and process for "blowing down" a pipeline containing either a high pressure flammable gas or a high pressure flammable liquid which vaporizes upon the reduction of pressure. The installation includes a pipe section for c... | 12/11/1979 |
| 4098590 | Explosive gas pipeline A gas pipe has positioned in the interior thereof, and along the entire length thereof, a loose gas displacement body formed of an incombustible material, such as mineral wool or glass wool. The body may be a hollow cylinder divided longitudinally, and fu... | 07/04/1978 |
| 4088436 | Gas distribution system In combination with a plurality of gas burning appliances and a gas source therefor, a gas distribution system having a main feed line connected at one end thereof to the gas source, a manifold feed means having a single inlet connected to another end of ... | 05/09/1978 |
| 4027689 | Explosion resistant electric heat motor gas valve An explosion resistant gas valve in which a valve actuating mechanism in the form of a bimetallic strip is operated by an electric heat motor. An explosion containment structure is provided about the electric heat motor to isolate it from the path of gas ... | 06/07/1977 |
| 4015953 | Firecheck A firecheck to be connected to a combustible gas line and including a casing having a gas inlet, a gas outlet and an access opening. A cover plate removably encloses the access opening and a burner screen is located within the casing between the inlet and... | 04/05/1977 |
| 4015954 | Laminar flow flame arrestor A flame arrester having a rectangular housing of internal width W, length L and heighth H filled with a plurality of contiguous convoluted planar laminae. Each lamina is comprised of a thin sheet of metal formed with a plurality of spaced parallel shallow... | 04/05/1977 |
| 3933444 | Flash back arrestor A flash back arrestor for use in gas supply lines. The arrestor includes an elongated passageway through which the gases flow in one direction and through which the flash back must pass in the reverse direction. A pressure-actuated valve at the inlet end ... | 01/20/1976 |
