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| Number | Title | Issue Date |
| 4741155 | Lubrication method and apparatus A lubrication system for expendable turbine engines, or for emergency use with durable engines, comprises a housing receiving a collapsible bladder filled with lubricant, and means for penetrating the bladder and communicating the lubricant to a receiver ... | 05/03/1988 |
| 4733528 | Energy recovery Energy is recovered from low calorific value gas by means of a gas turbine. Heat is recovered from the turbine exhaust by indirect heat exchange with water. The resultant hot water is used to saturate the fuel and, optionally, also the combustion air, and... | 03/29/1988 |
| 4720968 | Method and apparatus for driving an electrical power plant In a method and apparatus for driving an electrical power plant by the combined operation of a gas turbine 8 and a steam turbine 11, combustion air fed to the gas turbine 8 is cooled in a cooler 2 after passing through a first stage compressor 1 by means ... | 01/26/1988 |
| 4710483 | Novel carbonaceous material and process for producing a high BTU gas from this material Disclosed is a carbonaceous material which reacts rapidly with hydrogen to produce a methane-rich gas containing at least 20% by volume methane. The carbonaceous material is formed by contacting a carbon monoxide containing gas with an initiator including... | 12/01/1987 |
| 4693072 | Method of operating a combined cycle electric power plant A method of operating a combined cycle electric power plant at a measuring and regulating station of a gas transmission line is disclosed where gas at high pressure is being delivered from the transmission line to a lower pressure line, such as a gas dist... | 09/15/1987 |
| 4686822 | Gas turbine power station with air storage and method for operating the same The gas turbine of an air storage gas turbine power station is so designed that it can provide the nominal output requirement without extracting air from the storage cavern (17). The compressor group (3+4) has internal control organs in the form of guide ... | 08/18/1987 |
| 4685286 | Method of disassembly for a gas turbine engine A rotor assembly 22 for a gas turbine engine is disclosed. The engine has a compression section 12 and a turbine section 16. Various construction details which enable the modular disassembly of the turbine section are developed. The rotor assembly include... | 08/11/1987 |
| 4683714 | Oil scavenge system An oil scavenging system for a main shaft bearing in a gas turbine engine includes a sump adjacent the bearing having a frustoconical inner surface and a constant diameter inner surface contiguous with the frustoconical surface. The small diameter end of ... | 08/04/1987 |
| 4682468 | Non-catalytic method for reducing the NO emissions of gas turbines Disclosed is a method for non-catalytically reducing the amount of NO emitted from gas turbines. The method involves contacting condition effluents of the gas turbine with ammonia, replacing at least a portion of the secondary air used to dilute and cool ... | 07/28/1987 |
| 4642125 | Carbonaceous material and methods for making hydrogen and light hydrocarbons from such materials Carbonaceous materials comprising major amounts of carbon, and minor amounts of hydrogen and ferrous group metal components, particularly nickel and cobalt, react with steam at low temperatures, and produce commercially attractive quantities of such gases... | 02/10/1987 |
| 4638628 | Process for directing a combustion gas stream onto rotatable blades of a gas turbine A process for producing work comprises passing a combustion gas stream through a gas nozzle which directs the stream onto the rotatable blades of an expansion turbine. A fluid having a sonic velocity greater than the combustion gas is directed against and... | 01/27/1987 |
| 4594848 | Gas turbine combustor operating method A method of operating a variable geometry combustor for use in a gas turbine propulsion engine.... | 06/17/1986 |
| 4569197 | Method for producing energy from solid, fossil and ballast rich fuels Energy is produced from solid fossil fuel high in inerts by burning a fuel under atmospheric pressure with production of smoke gas so that heat is released during the burning and stored in the smoke gas. Thereupon the burning of the fuel, water steam is g... | 02/11/1986 |
| 4554784 | Emergency power unit and method An emergency power unit method and apparatus with means for inhibiting vibration of the catalyst bed while permitting spring loading thereof, and for automatically compensating for movement of the catalyst bed caused by the spring loading.... | 11/26/1985 |
| 4550562 | Method of steam cooling a gas generator A reheat gas and double reheat steam turbine combined cycle is provided in which the outer compressor shell and gas generator turbine are cooled with steam to control tip clearance of the rotating blades of the compressor and gas generator turbine with th... | 11/05/1985 |
| 4539303 | Process for improving power recovery from regeneration gas under turndown conditions An improved process for recovering energy via an expander turbine axial flow gas compressor set which utilizes hot regeneration gas recovered from the regeneration of fluidized catalytic cracking catalyst, and during turndown conditions when the output of... | 09/03/1985 |
| 4531356 | Intake vortex whistle silencing apparatus and methods A diametrically opposed pair of radially inwardly directed vortex-disturbing tabs are secured to a compressor intake assembly to eliminate vortex whistle therein.... | 07/30/1985 |
| 4510748 | Compression wave former Compression waves are formed by detonating a mixture of fuel and air confined within a chamber that has a constricted output opening. The mixture is ignited instantaneously throughout a peripheral region of the chamber opposite the output opening, and thi... | 04/16/1985 |
| 4505795 | Plasma method and apparatus for the production of compounds from gas mixtures, particularly useful for the production of nitric oxides from atmospheric air A process and apparatus for the production of compounds from gas mixture by the plasma method, particularly useful for the production of nitric oxides from atmospheric air as a step in producing synthetic nitrogenous fertilizer. According to the novel met... | 03/19/1985 |
| 4504211 | Combination of fuels NOx emissions are reduced in the combustion of fuels by carrying out the combustion in at least four serially connected combustion zones, including at least three fuel-rich zones followed by a fuel-lean zone. In accordance with another aspect o... | 03/12/1985 |
| 4500281 | Burning of fuels NOx emissions are reduced in the combustion of a fuel, containing significant amounts of NOx precursors, by carrying out the combustion in at least three, serially connected combustion zones in open communication with one another, in... | 02/19/1985 |
| 4498287 | Combustors and methods of operating same New combustors which produce lower emissions, particularly lower emissions of nitrogen oxides and CO, are provided. The combustors are provided with a first combustion region that is cylindrical, short and of small diameter and an adjacent downstream seco... | 02/12/1985 |
| 4484531 | Cyclic velox boiler A cyclic velox boiler is described wherein solid carbonaceous fuels are burned in pressure vessel containers by cyclic compression and expansion with air or with air and steam as usual gas reactants. During compression air is forced deeply into the pores ... | 11/27/1984 |
| 4469488 | Method for gasifying coal An improved method for generating gas from coal including caking and high sulfur coals, in a completely enclosed system wherein no oxygen or air is used to burn a portion of the coal and/or char to produce heat for the reaction. The heat for the reaction ... | 09/04/1984 |
| 4459802 | Bleedoff of gas diffusers in fluid flow machines In a fluid flow machine comprising a compressor including a compressor diffuser and a turbine including an exhaust gas diffuser compressed air from boundary layers or vortex flows in the compressor diffuser, or leakage air from the compressor, is bled off... | 07/17/1984 |
| 4362013 | Method for operating a combined plant A method of operating a combined plant made up of a gas turbine plant and a steam turbine plant utilizing the exhaust heat of the gas turbine as its power source; in which, after the steam turbine has been stopped and before it is started, the gas turbine... | 12/07/1982 |
| 4353204 | Method of water level control for a combined cycle power plant and control system therefor A method and system for controlling water level of a drum of a heat recovery steam generator for a combined cycle power plant is provided. The combined cycle power plant includes gas and steam turbines and the steam generator for recovering heat in exhaus... | 10/12/1982 |
| 4353811 | Power recovery process using recuperative heat exchange A process is disclosed for recovering mechanical energy from a particle-containing pressurized high temperature gas stream such as the flue gas stream of an FCC regenerator. Heat is removed from the gas stream in two different indirect heat exchangers in ... | 10/12/1982 |
| 4338788 | Cogeneration process linking FCC regenerator and power plant turbine An air supply system for the catalyst regeneration zone of a fluidized catalytic cracking unit also supplies a pressurized air stream to the turbine of an electrical generating plant. The compressor which produces the pressurized air stream is driven by p... | 07/13/1982 |
| 4308718 | Bleedoff of gas from diffusers in fluid flow machines In a fluid flow machine comprising a compressor including a compressor diffuser and a turbine including an exhaust gas diffuser compressed air from boundary layers or vortex flows in the compressor diffuser is bled off and used as a driving medium for rem... | 01/05/1982 |
| 4277416 | Process for producing methanol A system for processing coal to produce methanol, alcohol-slurry coal for transport, electric power and urea. Raw coal is graded. The downgraded fraction is gasified, producing steam and synthesis gas. The synthesis gas is converted to methanol which is t... | 07/07/1981 |
| 4265732 | Process and apparatus for endothermic reactions The invention is a method of handling the enthalpy of reaction of fast homogeneous gas-phase chemical reactions, by using mechanical energy in the form of work performed by moving surfaces in contact with the reactants, for adding energy to or removing en... | 05/05/1981 |
| 4218194 | Vapor pressure control system for gas turbine fuel A control system is provided to prevent flashing of crude oil fuel at the burner nozzles of a combustion gas turbine. The discharge pressure of the combustion gas turbine air compressor is monitored to determine if the combustion gas turbine is operating ... | 08/19/1980 |
| 4211069 | Combustion chamber for a gas turbine A combustion chamber of a gas turbine engine has a combustion cowl and transition piece with at least one air gap provided therebetween. The air gap opens into an intermediate chamber having two throttles which are arranged oppositely with respect to one ... | 07/08/1980 |
| 4211539 | Producing pure gas of high calorific value from gasification of solid fuel A process of producing a gas of high calorific value and low dust content comprising contacting coal with water vapor and free oxygen at a pressure of about 5 to 150 bars and a temperature sufficient to produce a gas containing hydrogen and carbon monoxid... | 07/08/1980 |
| 4211537 | Hydrogen supply method A system for supplying hydrogen to an apparatus which utilizes hydrogen, contains a metal hydride hydrogen supply component and a microcavity hydrogen storage hydrogen supply component which in tandem supply hydrogen for the apparatus. The metal hydride h... | 07/08/1980 |
| 4199327 | Process for gasification of coal to maximize coal utilization and minimize quantity and ecological impact of waste products Coarse, graded coal is fed to a pressurized relatively fixed bed, non-slagging gasifier from which crude gas is recovered. Fine coal is slurried in an aqueous mixture comprising the discharge from the relatively fixed bed gasifier, which discharge is comp... | 04/22/1980 |
| 4194357 | Auto ignition temperature control system A temperature control system safely and efficiently protects critical aircraft surfaces from reaching fuel auto ignition temperature with cooling provided by a relatively small and light heat exchanger.... | 03/25/1980 |
| 4121912 | Partial oxidation process with production of power Power is developed by an expansion turbine in which the working fluid is a gaseous mixture comprising all of the hot raw gas stream leaving an unpacked partial oxidation gas generator, after removing if present a portion of the entrained solids, in admixt... | 10/24/1978 |
| 4118171 | Method for effecting sustained combustion of carbonaceous fuel A method for effecting combustion of carbonaceous fuel is operative to sustain the combustion at a predetermined rate or rates of total fuel demand, the fuel being distributed between two combustion stages to make up the required total feed rate. Thus one... | 10/03/1978 |
