Abstract: A gas turbine engine includes an annular casing and a plurality of shroud segments forming an annular shroud. The annular shroud forms with the annular casing an annular cavity therebetween. The annular cavity includes an inlet and an outlet. An annular ring assembly is disposed in the annular cavity between the casing and the shroud and cooperating therewith to provide a first annular chamber and a second annular chamber. The annular ring assembly and a first portion of the shroud form the first annular chamber. The annular ring assembly and a second portion of the shroud form the second annular chamber. The annular ring assembly forms an intermediate annular chamber disposed between the first annular chamber and the second annular chamber. A flow path for coolant air is sequentially defined through the inlet, the first annular chamber, the intermediate annular chamber, the second annular chamber and the outlet.

Abstract: The present disclosure provides a cooling device for a turbo engine of an aircraft nacelle, including: a heat exchanger and an air outlet pipe. The nacelle includes a front housing that has a front lip forming a hollow leading edge that delimits an annular de-icing chamber. In particular, the cooling device further includes a pipe for supplying pressurized air that extends from an inlet end linked to a pressurized air source, to an outlet end forming an air ejection nozzle opening into the de-icing chamber, and the outlet pipe of the heat exchanger has an air outlet section that is arranged in the de-icing chamber in a position designed such that the pressurized air ejection nozzle forms an air suction pump in the outlet pipe of the exchanger.

Abstract: A method for assembling a turbofan engine (20) comprises coupling a bearing assembly (176) and a shaft (420) as a unit to a bearing support (453). A transmission (46) and the fan shaft (132) are installed to a front frame assembly (172). The bearing assembly and shaft are installed as a unit so that the shaft engages a central gear (52) of the transmission and the bearing support engages the front frame assembly.

Abstract: A fan case includes a composite fan case body including an outer surface and at least one attachment tool attached to the outer surface of the fan case body. The attachment tool includes a boss that has at least one fastener opening with a threaded insert. A channel extends from at least one interior cavity of the attachment tool through an outer wall of the attachment tool.

Abstract: A turbine section of a gas turbine engine includes a first turbine supported for rotation about an axis, a second turbine spaced axially aft of the for first turbine section for rotation about the axis, and a mid-turbine frame disposed between the first turbine and the second turbine defining a passage between the first turbine and the second turbine. A first case surrounds the first turbine and a second case surrounding the second turbine and attached to the first case. The mid-turbine frame is disposed between the first turbine section and the second turbine section and includes at least one support structure extending through an interface between the first turbine case and the second turbine case.

Abstract: An assembly for a gas turbine engine is disclosed. The gas turbine engine may have a combustor, a diffuser, and a tangential onboard injector. The assembly may include a common joint between the combustor, the diffuser, and the tangential onboard injector.

Abstract: This condenser is provided with the following: a set of heat-transfer tubes; a main body that covers the heat-transfer tubes; an intermediate body that forms a primary steam passage for guiding exhaust steam from a steam turbine to the set of heat-transfer tubes; and a bypass steam receiving section that receives bypass steam, i.e. steam that has bypassed the steam turbine, and guides the bypass steam to the set of heat-transfer tubes. The bypass steam receiving section is located outside the primary steam passage, and an opening in the main body that is opposite to the bypass steam receiving section is formed at a position where the bypass steam flows into the set of heat-transfer tubes mainly from a region different from an inflow region through which the exhaust steam mainly flows into the set of heat-transfer tubes via the primary steam passage.

Abstract: A device and a method are for the operational and safety control of a heat engine, which has a working-fluid path including a high-pressure path and a low-pressure path. The heat engine uses a condensable working fluid which, at least in part of the high-pressure path, is in the liquid phase. A fluid-drainage path, which is selectably open or closed, is connected to a portion of the high-pressure path in which the working fluid is mainly in the liquid phase.

Abstract: Provided herein are a heat engine system and a method for managing a working fluid in the heat engine system during an emergency shutdown. The heat engine system utilizes a working fluid (e.g., sc-CO2) contained within a working fluid circuit to absorb and transport heat. An inventory system is coupled to the working fluid circuit and configured to receive and store at least a portion of the working fluid in the working fluid circuit during an emergency shutdown process. An attemperation line is coupled to the working fluid circuit upstream one or more heat exchangers and configured to direct a portion of the working fluid flow around at least one or more heat exchangers, thereby managing the temperature of the working fluid in the working fluid circuit.

Abstract: A heat engine system and a method are provided for generating energy by transforming thermal energy into mechanical and/or electrical energy, and for controlling a thrust load applied to a turbopump of the heat engine system. The generation of energy may be optimized by controlling a thrust or net thrust load applied to a turbopump of the heat engine system. The heat engine system may include one or more valves, such as a turbopump throttle valve and/or a bearing drain valve, which may be modulated to control the thrust load applied to the turbopump during one or more modes of operating the heat engine system.

Abstract: A cogenerating system includes a Rankine cycle, a high-temperature heat transfer medium circuit, a low-temperature heat transfer medium circuit, a bypass channel, a heat exchanger, and a flow rate adjustment mechanism. The high-temperature heat transfer medium circuit is configured such that an evaporator is supplied with a high-temperature heat transfer medium by a high-temperature heat transfer medium heat exchanger. The low-temperature heat transfer medium circuit is configured such that a condenser is supplied with a low-temperature heat transfer medium by a low-temperature heat transfer medium heat exchanger. The flow rate adjustment mechanism includes at least a flow rate limiter that limits the flow rate of the high-temperature heat transfer medium to be supplied to the evaporator, and adjusts a ratio of the flow rate of the high-temperature heat transfer medium flowing through the bypass channel to the flow rate of the high-temperature heat transfer medium flowing through the evaporator.

Abstract: Disclosed is a waste heat recovery apparatus which comprises: a gas-liquid separator; an expander into which a gaseous working medium separated by the gas-liquid separator flows; a driven machine; a condenser; a first pump; a first heater; a circulation flow passage for serially connecting the gas-liquid separator, the expander, the condenser, the first pump and the first heater in this order; a heat recovery flow passage for allowing a liquid working medium discharged from the gas-liquid separator to merge with the working medium flowing in a portion between the first heater and the gas-liquid separator in the circulation flow passage; and a second pump.

Abstract: Gas turbine unit (GTV) provides compressed air and steam methane-hydrogen mixture to a combustion chamber to enrich combustion products and cooling by evaporation or superheating of water steam. The temperature of heat exchange processes of the gas turbine unit is increased by additional fuel combustion in the steam-methane-hydrogen mixture postcombustion flow extracted at the output from the additional free work gas turbine, and before supply of steam-methane-hydrogen mixture to the combustion chamber it is previously cooled to the temperature of 200+240° C. with simultaneous differential condensation of water steam. The condensate is processed for preparation of methane steam-gas mixture and low pressure water steam which is passed through the additional free work gas turbine.

Abstract: In a valve drive train device for an internal combustion engine of motor vehicle, wherein at least one axially movably mounted cam element including at least one cam set with at least two cam parts and a shifting gate with at least two gate track for converting a rotary movement of the cam element into an axial shifting motion, at least one of the cam parts and the adjacent gate track are disposed in an at least partially axially overlapping relationship for reducing thereby the axial length and the mass of the cam element or permitting the use of a larger, highly durable, actuating mechanism.

Abstract: A pushrod assembly for an internal combustion engine comprises a pushrod having a first end and a second end, the first end being configured to receive valve actuation motions from a valve actuation motion source and the second end being configured to impart the valve actuation motions to a valve train component. The pushrod includes a resilient element engagement feature. The pushrod assembly includes a fixed support and a resilient element operatively connected to the resilient element engagement feature and the fixed support. The resilient element is configured to bias the pushrod, via the resilient element engagement feature, toward the valve actuation motion source. An internal combustion engine may comprise the pushrod assembly described herein. A follower assembly may be provided to maintain contact between second end of the pushrod and the valve train component.

Abstract: Systems for actuating at least two engine comprise a valve bridge operatively connected to the at least two engine valves and having a hydraulically-actuated lost motion component. A rocker arm has a motion receiving end configured to receive valve actuation motions from a valve actuation motion source and a motion imparting end for conveying the valve actuation motions and hydraulic fluid to the lost motion component. The motion receiving end is biased toward the valve actuation motion source. A bias mechanism, supported by either the rocker arm, valve bridge or both, is configured to bias the motion receiving end of the rocker arm and the lost motion component into contact with each other. By maintaining such contact, the bias mechanism helps maintain the supply of hydraulic fluid from the rocker arm to the lost motion component.

Abstract: A rocker arm assembly for a valve actuation system of an engine is disclosed. The engine has at least one valve. The rocker assembly includes a rocker arm with a valve retention end, a valve bridge with a rocker engagement portion. The rocker engagement portion sustains an engaged position and a released position relative to the valve retention end. Further, a spring unit is disposed between the valve retention end and the rocker engagement portion. In the engaged position, the valve retention end is in operable abutment with the rocker engagement portion. In the released position, the spring unit is configured to provide a reaction force between the valve retention end and the rocker engagement portion to disconnect the valve bridge from the rocker arm.

Abstract: A valve opening/closing timing control device includes: an intermediate lock mechanism switchable between a locked state constraining a relative rotation phase to an intermediate locked phase, and an unlocked state releasing the constraint; a phase control unit controlling fluid supply to a retard chamber and fluid discharge from an advance chamber, or controlling fluid discharge from the retard chamber and fluid supply to the advance chamber, such that the lock member attains the intermediate locked phase; and a determination unit determining whether the lock member will attain the determination phase, when control has been performed to move the lock member toward a determination phase that has been set at a different position than the intermediate locked phase, after execution of control to either supply fluid to the retard chamber and discharge fluid from the advance chamber, or discharge fluid from the retard chamber and supply fluid to the advance chamber.

Abstract: A drive element (1) of a camshaft adjuster, the drive element (1) being pot-shaped and having a center receiving portion (3) for an output element that can be connected to a camshaft for conjoint rotation therewith, the drive element (1) including a locking gate (4) and the locking gate (4) protruding beyond the base (6) of the pot-shaped drive element (1) in the axial direction (5) is provided.

Abstract: A variable valve mechanism for an internal combustion engine includes a control shaft and a cam. The control shaft is configured to change a maximum lift amount of an engine valve according to displacement of the control shaft. The cam is configured to displace the control shaft in the axial direction due to rotation of the cam. The cam surface includes change zones and retention zones.

Abstract: In a valve opening/closing timing control device, a fluid pressure chamber formed by a drive-side rotating and a driven-side rotating body is divided into an advance chamber and a delay chamber. The valve opening/closing timing control device includes an intermediate lock mechanism; an electromagnetic valve; a phase detection sensor; and a control unit that issues a command to the electromagnetic valve to switch a working fluid supply destination to a working fluid supply destination at which the driven-side rotating body shifts to an intermediate lock phase, when a relative rotation phase at the startup of an engine is positioned toward a most delayed phase or a most advanced phase with respect to the intermediate lock phase in case of the electromagnetic valve that sets the working fluid supply destination to the delay chamber or the advance chamber when supply of electric power to the electromagnetic valve is stopped.

Abstract: In a definition cross-section of a planet gear located on an eccentric side in a radial direction relative to a driving rotor and a driven rotor, an imaginary straight line is defined by connecting a center of a planet side outer arc part that configures a raceway groove of a planet outer wheel on the eccentric side to a center of a solar side outer arc part that configures a raceway groove of a solar outer wheel on an opposite side opposite from the eccentric side. A planet side inner arc part of a planet inner wheel and a solar side inner arc part of a solar inner wheel are located on the imaginary straight line in the definition cross-section.

Abstract: A valve opening/closing timing control device includes a housing main body that includes an opening which opens to at least one side in a direction along a rotational axis and a cover plate closing the opening by making contact with an end surface of the opening, the drive side rotational body rotating synchronously with a crankshaft, and a driven side rotational body housed within the drive-side rotational body and defining an advance chamber and a retardation chamber relative to an inner peripheral surface of the housing main body, the driven-side rotational body rotating integrally with a camshaft and coaxially with the rotational axis. In addition, the housing main body includes a hard layer formed at least at the inner peripheral surface of the housing main body in a surface thereof excluding the end surface of the opening.

Abstract: Systems for actuating at least two engine valves comprise a valve bridge operatively connected to the at least two engine valves and having a hydraulically-actuated lost motion component. The lost motion component comprises a lost motion check valve disposed therein. A rocker arm has a motion receiving end configured to receive valve actuation motions from a valve actuation motion source and a motion imparting end for conveying the valve actuation motions and hydraulic fluid to the lost motion component. The rocker arm is in fluid communication with a hydraulic fluid supply. The systems also comprise an accumulator in fluid communication with the hydraulic fluid supply and disposed upstream of the lost motion check valve. In all embodiments, a fluid supply check valve may be disposed upstream of the accumulator and configured to prevent flow of hydraulic fluid from the accumulator back to the hydraulic fluid supply.

Abstract: An oil control valve system according to one example of the present disclosure incorporates a common or interchangeable oil control valve at distinct locations of an engine to direct operation of switching mechanisms over sets of three cylinders. In another aspect of the present disclosure, four interchangeable oil control valves are used in a six-cylinder engine. Utilizing interchangeable oil control valves minimizes design costs, reduces assembly time, lessens repair or replacement burdens, and allows for enhanced engine performance.

Abstract: An acoustic panel is provided that includes a first layer, a perforated second layer, a core and a noise attenuating feature. The core forms a chamber between the first and the second layers. The noise attenuating feature projects partially into the chamber. The noise attenuating feature is formed integral with the first layer, the second layer and/or the core.

Abstract: A muffler, in particular a rear muffler, for an exhaust gas system of an internal combustion engine, in particular a motor vehicle engine, comprises a housing, in particular a housing having a jacket and two end walls, and comprises at least one first pipe, in particular an inlet or outlet pipe which is in particular led through the jacket and which is connected to a second pipe, in particular to an inner pipe. The second pipe comprises a pipe piece into which a pipe piece of the first pipe led through an opening of an inner support element is plugged in an axially displaceable manner. In this respect, the pipe piece of the first pipe is preferably provided with slits into which nubs engage which are provided at the inner boundary of the opening of the support element. The end section of the first pipe is expanded in its region plugged into the pipe piece of the second pipe to fix the first pipe at the support element.

Abstract: A reducing agent injection device includes a honeycomb structure having a honeycomb structure body and a pair of electrode members arranged in a side surface of the honeycomb structure body and a urea spraying device spraying a urea water solution in mist form. The urea water solution sprayed from the urea spraying device is supplied inside cells from a first end face of the honeycomb structure body, and urea in the urea water solution supplied in the cells is heated and hydrolyzed inside the electrically heated honeycomb structure body to generate ammonia. The ammonia is discharged outside the honeycomb structure body from a second end face and injected outside. There is provided a reducing agent injection device that can generate and inject ammonia from a urea solution with less energy.

Abstract: An engine device of a working vehicle is structured such that a first case and a second case can be firmly fixed with a high rigidity by making good use of a frame of an engine room. In the engine device of the working vehicle having the first case which removes particulate matter in exhaust gas of the engine and the second case which removes nitrogen oxide in the exhaust gas of the engine, the first case is provided in the engine room which is inward provided with the engine, via a first case support body, and the second case is provided in the engine room via second case support bodies.

Abstract: An exhaust gas aftertreatment apparatus (1) for an internal combustion engine (12), in particular a stationary internal combustion engine having at least one catalyst unit (3) for exhaust gases, which is arranged downstream of the internal combustion engine (12), wherein exhaust gases from the internal combustion engine can be taken past the at least one catalyst unit (3) by way of a bypass conduit (4), wherein the at least one catalyst unit (3) and the bypass conduit (4) are arranged in a common housing (2), wherein the housing (2) has at least two separate feed conduits (11, 11?) for untreated exhaust gas and at least one outlet conduit (7, 8) for exhaust gas treated by the at least one catalyst unit (3).

Abstract: A reducing agent supplying device is for a fuel combustion system that includes a NOx purifying device with a reducing catalyst arranged in an exhaust passage to purify NOx. The reducing agent supplying device supplies a reducing agent into the exhaust passage upstream of the reducing catalyst. The reducing agent supplying device includes an air pipe, a vaporizing container, an injector, a heating member and a mixing plate. The air pipe defines an air passage therein. The vaporizing chamber is connected to the air pipe. The vaporizing container defines a vaporizing chamber therein that branches off from the air passage. The injector injects liquid hydrocarbon compound as a reducing agent. The heating member is disposed in the vaporizing chamber. The heating member heats and vaporizes the reducing agent. The mixing plate is connected to the heating member. The mixing plate extends from the vaporizing chamber into the air passage.

Abstract: A urea water consumption diagnostic device includes a sensor which detects a level of urea water in a urea water tank, a calculation unit which calculates a cumulative consumed amount based on a detection value entered from the sensor and calculating a replenishment amount based on a change in the detected level of the urea water after a replenishment of the urea water, and a unit which, when a cumulative instructed injection amount of the urea water injected from a dosing valve has become greater than or equal to a determination amount, determines whether or not there is clogging of the urea water by comparing the cumulative consumed amount to the cumulative instructed injection amount. The calculation unit subtracts a level from the changed level of the urea water detected by the sensor upon replenishment to the urea water tank, and stores the resulting level as the replenishment amount.

Abstract: A method for starting operation of a device for providing a liquid additive, the device having at least one preheating element and at least one PTC heating element, includes: a) heating by the at least one preheating element; b) conducting heat from the at least one preheating element to the at least one PTC heating element such that a temperature of the at least one PTC heating element is raised; and c) heating by the at least one PTC heating element when the temperature of the PTC heating element has been raised.

Abstract: A method of reducing warm-up time of an aftertreatment device and a vehicle system for the same are disclosed. Fuel is injected into a plurality of cylinders of an internal combustion engine which is controlled, via a controller. The fuel in a first subset of the plurality of cylinders is combusted to produce a first exhaust product having excess fuel. The fuel in a second subset of the plurality of cylinders is combusted to produce a second exhaust product having excess air. The first exhaust product is expelled through a turbocharger and a valve is actuated to route the second exhaust product away from a dedicated EGR system and downstream from the turbocharger. The excess fuel of the first exhaust product and the excess air of the second exhaust product are mixed downstream from the turbocharger to create an exothermic reaction that produces heat to warm up the aftertreatment device.

Abstract: Disclosed is a mat or molded pre-form that may be used as a mounting mat to mount a fragile monolith within an outer housing of an exhaust gas treatment device, such as automotive catalytic converters and diesel particulate traps. The mat or pre-form may also be used as thermal insulation in the end cone regions of the exhaust gas treatment device. The mat and pre-form includes an inorganic microporous insulation component and a flexible fibrous material component. Exhaust gas treatment devices and methods for making exhaust gas treatment devices including the mat or pre-form are also disclosed.

Abstract: A static mixer (12) for an exhaust system (7) for mixing a reducing agents with an exhaust gas flow (8). The static mixer (12) has a plurality of guide blades (14) for deflecting the exhaust gas flow (8). A reduced flow resistance is obtained when at least one of the guide blades (14) has a perforation (25) through which the exhaust gas flow (8) can flow.

Abstract: A heat transfer device that includes a thermionic power generator, a wiring, a load circuit, and a switch circuit. The thermionic power generator includes an emitter electrode and a collector electrode facing each other with an inter-electrode gap distance, and converts heat energy into electric energy by capturing, with the collector electrode, a thermoelectron that is emitted from the emitter electrode. The wiring electrically connects the emitter electrode and the collector electrode. The load circuit is connected to an electric current path of by wiring between the emitter electrode and the collector electrode. The switch circuit switches between an ON state and an OFF state.

Abstract: An exhaust pipe that forms an exhaust flow channel includes a first flow channel member that forms part of the exhaust flow channel, and a second flow channel member connected in series with the first flow channel member, and forms part of the exhaust flow channel. A downstream-side end of the first flow channel member is inserted into an upstream-side end of the second flow channel member. A communication channel that communicates between an inside and an outside of the exhaust pipe is formed between an outer surface of an insertion part of the first flow channel member and an inner surface of an insertion-receiving part of the second flow channel member. The insertion-receiving part is arranged to face higher than a horizontal direction.

Abstract: An exhaust system component includes stacking features that prevents binding among adjacent components in a stack. The stacking features are arranged along a shell of the exhaust system component, such as along a sidewall extending from a panel of the shell. The stacking features can be arranged to define a gap between opposing surfaces of stacked shells. The stacking features can be in the form of indentations and can be formed in curved portions of the sidewall to conserve material thickness, which can be critical in exhaust system applications. The stacking features can result in a stack of components with uniform spacing among the components of the stack.

Abstract: Water-temperature sensors for detection of temperature of cooling water 12 having passed through an engine 1 are increased in number into two (18 and 19). A controller 20 is provided to confirm that each of detection values of the water-temperature sensors 18 and 19 is within a normal range and then employ either of the detection values as temperature of the cooling water 12. The controller 20 is configured such that, when either of the detection values of the water-temperature sensors 18 and 19 is out of the normal range, the remaining detection value within the normal range is employed as temperature of the cooling water 12.

Abstract: A vehicle includes an internal combustion engine, an air intake coupled to the internal combustion engine and configured to intake air and supply the air to the engine, a temperature controller coupled to the air intake and to the internal combustion engine, and a control system coupled to the air intake, the internal combustion engine, and to the temperature controller. The control system being configured to receive engine operating data and control a temperature of the air via operation of the temperature controller to control an operating condition of the engine.

Abstract: A centrifugal compressor having a casing that houses an impeller allowing rotation about a rotational axis C, a gas channel, a treatment hollow part provided inside the casing, a first channel open to the gas channel on the downstream side of the blade leading edge of the impeller, a second channel open to the gas channel at the upstream side of the blade leading edge, a guide vane that imparts a swirl component in an opposite rotational direction of the impeller to gas discharged from the second channel, a constricting part that constricts the gas channel, and a rectifying part that rectifies gas in a direction that minimizes the swirl component about the rotational axis C and also increases the component in the direction of the rotational axis C.

Abstract: A valve assembly is disclosed, and includes an evacuator and a relief valve. The evacuator includes a suction port that selectively applies a vacuum. The relief valve has an open position and a closed position, and includes an inlet, an outlet, a piston that translates within a chamber, and a pressurized chamber. The piston includes a first end and a second end. The pressurized chamber is fluidly connected to the suction port of the evacuator, and is defined in part by the first end of the piston. The piston translates within the pressurized chamber towards the open position if vacuum is applied to the pressurized chamber.

Abstract: A turbocharger apparatus of an internal combustion engine and method of controlling the same is provided with electrically coupled fully variable turbo-compound capability. The turbocharger includes an exhaust gas turbine and an intake air compressor. A first electric machine coupled to the engine generates electricity and adds power to an output shaft of the engine depending on electricity flow to and from the first electric machine. A second electric machine coupled to the turbine and/or the compressor generates electricity and drives the turbine and/or the compressor depending on electricity flow between the first and the second electric machines. A planetary gearset connects the turbine, the compressor, and the second electric machine, and varies rotational speeds of the turbine, the compressor, and the second electric machine depending on electricity flow between the first and second electric machines to maximize efficiency and power of the engine.

Abstract: A reformer-liquid fuel manufacturing system that utilizes an engine to generate hydrogen-rich gas is disclosed. The engine operates at very rich conditions, such as 2.5<?<4.0. In doing so, it creates an exothermic reaction, which results in the production of syngas. In addition, the system utilizes the energy from the exothermic reaction to rotate a shaft and also utilizes the heat in the syngas to heat the reactants. A mechanical power plant is in communication with the rotating shaft and can be used to produce oxygen, provide electricity or operate a compressor, as require. The hydrogen-rich gas is supplied to a chemical reactor, which converts the gas into a liquid fuel, such as methanol.

Abstract: Improved radial engine configurations where the pistons and their associated connecting rods interface with a center crankshaft by the use of slipper bearings, which only contact a portion of the center crankshaft throw. The improved radial engine crankshaft interface includes at least one connecting rod with a bearing that encircles the center crankshaft throw, and acts as a retaining ring for the slipper bearings.

Abstract: A stage of a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a row of flow directing components circumferentially disposed about a centerline axis and at least one flow directing component of the row having at least one design characteristic that is dissimilar from a corresponding design characteristic of at least one other flow directing component of the row.

Abstract: A turbofan aircraft engine having a primary duct (C), including a combustion chamber (BK), a first turbine (HT) disposed downstream of the combustion chamber, a compressor (HC) disposed upstream of the combustion chamber and coupled (W1) to the first turbine, and a second turbine (L) disposed downstream of the first turbine and coupled (W2) via a speed reduction mechanism (G) to a fan (F) for feeding a secondary duct (B) of the turbofan aircraft engine. A square of a ratio of a maximum blade diameter (DF) of the fan to a maximum blade diameter (DL) of the second turbine is at least 3.5, in particular at least 4.

Abstract: A chemical looping combustion (CLC) process for sour gas combustion is integrated with a gas turbine combined cycle and a steam generation unit, and is configured to provide in-situ removal of H2S from the sour gas fuel by reacting the H2S with a oxygen carrier at a location within the fuel reactor of the CLC unit. The process is also configured such that oxygen-rich exhaust gases from the gas turbine combined cycle is used to feed the air reactor of the CLC unit and re-oxidize oxygen carriers for recirculation in the CLC unit.

Abstract: A calcium looping combustion process for sour gas combustion comprising a system that includes several reaction zones. The system is configured to provide oxygen transfer media production, generation of a syngas product stream, and in-situ H2S removal from the sour gas. The system is also configured such that the calcium-based transfer media and the calcium-based oxygen carrier are reproduced via reactions in another reaction zone, and recirculated in the system.