97results about "Engine operations" patented technology

A method according to certain embodiments generally involves mixing exhaust gas and air in an exhaust gas recirculation mixer. The method includes directing exhaust gas from an engine to a mixing tube along a first flow path, and directing air to the mixing tube along a second flow path. One of the first flow path or the second flow path is an outer flow path, and the other of the first flow path or the second flow path is an inner flow path surrounded by the outer flow path. The first flow path and the second flow path merge within a throat of the mixing tube such that the exhaust gas and the air mix within the mixing tube to thereby provide a mixture of exhaust gas and air.

There are provided systems and methods for using fuel rich partial oxidation to produce an end product from waste gases, such as flare gas. Lambda sensor modifications and other control parameters that provide closed-loop mixture control at extremely fuel-rich operating conditions utilizing feed-forward and feedback approaches, physics-based engine models, novel use of a lambda sensor (02-based sensor), sensors with intermittent contact with the gas stream. In an embodiment the system and method use air-breathing engines having control systems, control parameters, sensors and input / output (I / O) for the fuel rich (ER of 1.2 and greater), partial oxidation of the flare gas to form syngas. In embodiments the syngas is further converted into an end product. In an embodiment the end product is methanol.

To provide an electron-generating material and electron-generating member, which can reduce a friction coefficient.SOLUTION: An electron-generating material capable of reducing a friction coefficient is provided, the material comprising powder of a natural mineral containing a radioactive substance and powder of an electron-generating material that generates electrons when subjected to alpha rays emitted from the natural mineral, where the powder of the electron-generating material comprises titanium dioxide powder, lanthanum hexaboride, and silicon metal.SELECTED DRAWING: None

The invention relates to an air-steam engine comprising one or more cylinders and a piston located therein, capable of reciprocating. The air-steam engine further includes an injection nozzle and a pre-chamber. The pre-chamber is arranged between the injection nozzle and the cylinder, and a fuel fluid can be introduced into the pre-chamber from the injection nozzle. Compressed air from the cylinder is drawn into the pre-chamber, forming an air-steam mixture within the pre-chamber, which can then be introduced into the cylinder. This enables the reciprocating movement of the cylinder. Furthermore, the cylinder is connected to a condenser via an exhaust valve, causing the air-steam mixture or the vapor from the air-steam mixture to condense and be present as condensate in the condenser.The condenser and the injector are connected via a high-pressure pump and a high-pressure tank, allowing the fuel fluid to flow from the condenser back to the injector via another high-pressure pump and tank. This closed-loop system in the air-steam engine results in efficient operation.

The invention relates to a method for controlling the recovery of water in a motor vehicle, in which method, to recover water in an air-conditioning system (12) of the motor vehicle, air is cooled to a temperature below its dew point, and the water dropping out as a result of the cooling is collected in a water container (13). During water recovery, the air-conditioning system (12) is controlled by means of a water recovery control device (11), wherein, to control the water recovery by means of the water recovery control device (11), the air-conditioning system (12) is adjusted on the basis of at least one parameter value which is detected by a detection unit (10) and transmitted to the water recovery control device (11).

The present disclosure relates to methods and fuel compositions for reducing or eliminating fuel injector deposits in high pressure gasoline engines. The fuel compositions include gasoline and a synergistic combination of a fuel injector clean-up mixture including a heterocyclic amine, diamine, or open chain derivative thereof and a hydrocarbyl substituted dicarboxylic anhydride derivative selected from a diamide, acid / amide, acid / ester, diacid, amide / ester, diester, and imide.

To provide an electron-generating member capable of reducing a friction coefficient.SOLUTION: An electron-generating member capable of reducing a friction coefficient is provided, the member comprising: an electron-generating portion made of an electron-generating material comprising powder of a natural mineral containing a radioactive substance and powder of an electron-generating substance that generates electrons when subjected to alpha rays emitted from the natural mineral; and a magnet laminated on the electron-generating portion.SELECTED DRAWING: Figure 1

A photocatalytic liquid is disclosed. The photocatalytic liquid includes a noble metal nanoparticle being in a weight percentage of 0.01-0.2 wt.% of the photocatalytic liquid, and including a silver nanoparticle; a photocatalytic nanomaterial being in a weight percentage of 0.01-25 wt.% of the photocatalytic liquid, and including at least one of a titanium nanoparticle and a tungsten trioxide nanoparticle; a dispersant in a weight percentage of 0.01-5 wt.% of the photocatalytic liquid; and a balance of a solvent.

The invention relates to a hydrogen internal combustion engine system (10) comprising a combustion chamber (12) connected to a hydrogen intake system (14), an air intake system (16) and a water intake system (18) for controlling hydrogen combustion, characterized in that the water injection system (18) comprises an exhaust gas collector (30) connected to an exhaust water condenser (32) configured to condense at least a part of water contained in the exhaust gases.

A system for producing an oil-in-water emulsion; the system comprising: a first input for coupling to a source of fuel on a vehicle; a second input for coupling to a source of water; a third input for coupling to a source of first additive; a mixing section for mixing the water and the first additive to form an aqueous phase; and a blender for blending the aqueous phase with the fuel to form the oil-in-water emulsion; wherein the first input is coupled to the blender; the second input and the third input are coupled to the mixing section; and the mixing section is coupled to the blender.

Feeding system (1) for internal combustion engine (100), or thermal combustion unit, operating with fuel based on hydrocarbons or their derivatives and having at least one intake portion (101) for entering the fed gas into said combustion engine (100) or into said thermal combustion unit, and at least one exhaust portion (102) for exiting exhaust gas from said combustion engine (100) or from said thermal combustion unit, said system (1) comprising at least one sensor (3) for measuring the oxygen content of said exhaust gas coming out of said exhaust portion (102) and at least one exhaust line (2) fluidically connected to said exhaust portion (102) and being provided with a device (4) for cooling the exhaust gas and condensing the water vapor contained in said exhaust gas coming out of said exhaust portion and passing through said exhaust line (2), said system (1) being characterized by further comprising at least one recirculation pipeline (10) for fluidically connecting said exhaust line (2) to said inlet portion (101) of said combustion engine (100) or of said thermal combustion unit, and by comprising means (20) for injecting oxygen, or an oxygen mixture, into said recirculation pipeline (10) for transforming said exhaust gas at the outlet of said exhaust line into said fed gas, wherein the amount injected of oxygen is established depending on the oxygen content of said exhaust gas measured by said at least one sensor for measuring the oxygen content, said feeding and exhaust system further comprising purifying means for purifying said exhaust gas along said exhaust line (2) for eliminating further liquid and / or solid and / or gaseous combustion products contained in said exhaust gas.

To provide a split-cycle internal combustion engine and a method of operating the split-cycle internal combustion engine.SOLUTION: A split-cycle internal combustion engine 100 comprises: a compression cylinder 10 receiving a compression piston 12; a combustion cylinder 20 receiving a combustion piston 22; a crossover passage 30 arranged between the compression cylinder 10 and the combustion cylinder 20 to supply working fluid to the combustion cylinder 20; a reactivity regulator 85 capable of operating to regulate the reactivity of fuel used in a combustion process; and a controller 60 arranged to receive at least one indication of (i) the pressure of the working fluid, (ii) the temperature of the working fluid, (iii) the generation of NOx caused by combustion, and (iv) the degree of engine knocking in the combustion cylinder. The controller 60 is configured to operate the reactivity regulator 85 so as to regulate the reactivity of fuel on the basis of the received indication.SELECTED DRAWING: Figure 2

Method for a hybrid vehicle (102), comprising: Propelling the hybrid vehicle (102) via an internal combustion engine (10) operating with a water injection state selected based on driver demand and water availability on board the hybrid vehicle (102); and in response to a change in driver demand, adjusting the water injection state based on each of the changes in driver demand, a state of charge of an energy storage system (54) and water availability, wherein The setting includes the selection between maintaining a current water injection state and switching to an alternative water injection state based on fuel saving in each of the current and alternative water injection states with a stored power offset based on the state of charge, wherein the current water injection state has one of an activated water injection state and one of a deactivated water injection state, and wherein the alternative water injection state has the other of the activated water injection state and the deactivated water injection state.

A control system for an internal combustion engine includes at least one sensor configured to measure a combustion signal within at least one cylinder of a plurality of cylinders within the internal combustion engine. The combustion signal corresponds to a first combustion cycle. The control system also includes a controller operably connected to the at least one sensor. The controller is configured to receive the combustion signal from the at least one sensor and determine whether the measured combustion signal satisfies at least one condition associated with the internal combustion engine. The at least one condition corresponds to the at least one of engine misfire or delayed combustion. The controller is further configured to, based on the determination, reduce a fueling amount to the at least one cylinder for a predetermined number of combustion cycles following the first combustion cycle.

A piston discharge structure for a plasma cloud excitation engine is provided. The piston discharge structure includes a movement electrode, a distributed multi-cavity combustion chamber, a fixed electrode, and a variable interval discharge region. The movement electrode is provided at a top portion of a piston and includes a first combination shape and a first movement electrode structure, the distributed multi-cavity combustion chamber is provided at the top portion of the piston, the fixed electrode is provided at a top portion of a cylinder block or a bottom portion of a cylinder head and including a second combination shape and a second structure, and the variable interval discharge region is defined by the movement electrode and the fixed electrode.

An exhaust gas recirculation (EGR) mixer for use in a power generation system is provided. The EGR mixer includes a mixing chamber defining a flow direction and a working fluid inlet coupled to the mixing chamber for introducing a working fluid into the mixing chamber along the flow direction. The EGR mixer also includes exhaust gas injection ducts extending across the mixing chamber downstream of the working fluid inlets. Each of the exhaust gas injection ducts is oriented to receive exhaust gas recirculated within the power generation system and to inject the exhaust gas into the mixing chamber in a direction transverse to the flow direction to generate turbulence within the mixing chamber. The EGR mixer also includes an outlet coupled to the mixing chamber for delivering the mixture of exhaust gas and working fluid toward a compressor within the power generation system.

The invention relates to a hydrogen storage power plant (1) comprising:in order to produce hydrogen (H2) from methane or natural gas, a pyrolysis device for methane pyrolysis and / or natural gas pyrolysis and / or a plasmalysis device (6) for methane plasmalysis and / or natural gas plasmalysis; -a storage device (11), which is coupled on the output side to the pyrolysis device, for storing the hydrogen (H2) or a storage device (11), which is coupled on the output side to the plasmalysis device (6), for storing the hydrogen (H2); anda hydrogen combustion engine (12) which is coupled on the outlet side to the storage device (11) and has a closed noble gas circuit (12.1) for circulating noble gas, which noble gas circuit leads from an outlet channel (12.2) of the hydrogen combustion engine (12) via a circulation path to an inlet channel (12.3) of the hydrogen combustion engine (12) and guides a noble gas (EG) from the outlet channel (12.2) via the inlet channel (12.3) into a combustion chamber of the hydrogen combustion engine (12). The invention also relates to a method for operating such a hydrogen storage power plant (1).

An alternative heat source for an engine with an elongated compartment with first and second ends, a directed energy device capable of sending a pulse of photonic energy to a focal point within the first end of the compartment, an intake allowing for the entry of a gas into the elongated compartment, an exhaust allowing for the exit of the gas from the elongated compartment, and a piston capable of moving within the elongated compartment between the first and second ends. The pulse of photonic energy at the focal point heats the gas and causes a corresponding expansion of the gas in the elongated compartment, driving the piston toward the second end of the elongated compartment, where the piston movement can be translated into motive force. The same principle can work with a rotary chamber, or a dual chambered linear system.

A split-cycle internal combustion engine comprising a compression cylinder housing a compression piston; and a combustion cylinder housing a combustion piston; a crossover passage between the compression cylinder and the combustion cylinder arranged to provide working fluid to the combustion cylinder; a reactivity adjuster operable to adjust the reactivity of a fuel used in combustion; and a controller arranged to receive an indication of at least one of (i) the pressure of the working fluid, (ii) the temperature of the working fluid, (iii) the combustion generated NOx, and (iv) the extent of engine knock in the combustion cylinder; wherein the controller is configured to operate the reactivity adjuster to adjust the reactivity of the fuel based on the received indication. This can improve efficiency as a greater proportion of the fuel can be combusted.

Disclosed is an engine (1) for a ship, comprising an intake manifold (2), characterised in that it comprises a catalytic device (10) using the mixture of a catalyst precursor that comprises an organometallic compound, in particular a methyl cyclopentadienyl manganese tricarbonyl component, with a comburent, and in that the catalytic device (10) is arranged upstream of a compression device, such that this compression device increases the pressure of the mixture comprising the comburent and the catalyst precursor to a value greater than or equal to 2 bar, or indeed greater than or equal to 4 bar, this pressure value being measured at its entry into the intake manifold (2).

The invention discloses a knock suppression system based on hydrogen engine methanol air injection performance enhancement and a control method. The knock suppression system comprises a hydrogen engine, an air bottle, a methanol box and a methanol air nozzle communicating with the air bottle and the methanol box. The hydrogen engine comprises a high-compression-ratio piston combustion chamber, and a gas inlet pipeline and a gas outlet pipeline are arranged in the high-compression-ratio piston combustion chamber. The knocking water spraying restraining method for the hydrogen engine comprises the following steps that the working load of the hydrogen engine is obtained; determining control information of a methanol air nozzle according to the workload; and the methanol air nozzle is adjusted to spray methanol according to the control information, and methanol and air or air are sprayed at the same time. According to the invention, the transient response of the engine is effectively improved, the power density is improved, the inhibition of abnormal combustion such as knocking can be realized, and the abnormal combustion problem such as knocking is solved on the premise of ensuring the combustion performance to the greatest extent.

Exhaust gas recirculation system (300, 390) for an internal combustion engine (102), comprising: a first line (302) configured to receive at least a section of the exhaust gas from the internal combustion engine (102); a cooling circuit (320) which is selectively fluidically connected to the first line (302); a bypass circuit (330, 430) which is selectively fluidically connected to the first line (302) and includes a bypass line (332, 432); a control valve (310) connected to the first line (302), the cooling circuit (320), and the bypass circuit (330, 430), wherein the control valve (310) has at least one bypass position to allow the exhaust gases from the first line (302) to pass through the bypass circuit (330, 430), a cooling position to allow the exhaust gases from the first line (302) to pass through the cooling circuit (320), and a closed position to prevent the exhaust gases from flowing out of both the bypass circuit (330, 430) and the cooling circuit (320); a heating device (334, 434) which is connected to a wall of the bypass line (332, 432) for selective heating of the bypass line (332, 432); a second line (304) which is fluidically connected to receive the exhaust gas flowing through the cooling circuit (320) and through the bypass circuit (330, 430), wherein the second line (304) is fluidically connected to return the exhaust gas to the combustion engine (102); a control unit (500) connected to the control valve (310) and to the heating device (334, 434), wherein the control unit (500) is configured to selectively direct the control valve (310) to the bypass, cooling, and closed positions, and to control the heating device (334, 434), wherein the control unit (500) is configured to determine a wall temperature of the bypass line (332, 432) associated with the wall of the bypass line (332, 432) and a cooling temperature associated with the coolant in the cooling circuit (320), and to selectively direct the control valve (310) based on the wall temperature of the bypass line (332, 432) and the coolant temperature wherein the control unit (500) is further configured to determine a dew point temperature associated with an environment and to selectively instruct the control valve (310) based additionally on the dew point temperature, wherein the control unit (500) is configured to instruct the control valve (310) to move to the closed position when the wall temperature of the bypass line (332, 432) is lower than the dew point temperature, and wherein the control unit (500) is configured to activate the heating device (334, 434) when the wall temperature of the bypass line (332, 432) is less than the dew point temperature.

Methods for an engine, including: During an initial state, in response to an engine dilution request, intake manifold injection of water to a closed intake valve; and During a second state, in response to engine knocking, intake manifold injection of water away from an open intake valve, whereby during the second state, relative to the first state, a larger proportion of the injected water remains in liquid form after injection.

The application relates to a gasoline engine structure and a water injection control method, which are characterized by comprising an engine cylinder body (1), an air intake manifold (2), an exhaust manifold (3), a spark plug (4), an oil injector (6) and a water injection mechanism which is connected with a controller (9), wherein the engine cylinder body (1) is provided with a piston (11), and the engine cylinder body (1) is provided with a cylinder pressure sensor and a water temperature sensor. The engine operation state is detected through the sensors arranged in the engine, the water injection amount, the water injection interval and the water injection time can be flexibly controlled, the water injection parameters are adjusted, the water injection amount is matched with the load of the engine, and the thermal efficiency of the engine is improved. Compared with the prior art, the strategy of multiple water injection is adopted to reduce the water injection penetration distance, the water injection atomization effect is strengthened, and the top of the piston is better covered with a liquid water film and water mist, so that the heat insulation effect is effectively achieved.

An ambient heat energry converter includes a first positive evaporating electrode which functions as the cathode, a membrane separator, a porous barrier membrane, and a second, negative condensing electrode which functions as the anode. Electordes and are porous and facilitate hydrogen-oxygen reactions that electrolyze and reduce water respectively. Porous barrier membrane allows water and protons to pass through but prevents hygroscopic acid or base ions in condensing electrode from passing through, only water and protons can pass. During operation, membrane separator's high affinity for liquid water maintains a tension that pulls liquid water through porous barrier membrane from condensing electrode. Barrier membrane does not allow ions other than water that comprise the hygroscopic material in condensing electrode to pass through. Conversely, the hygroscopic nature of condensing electrode maintains water tension in the opposite direction. A housing surrounds the electrodes and creates a free flowing path.

A dosing system that is configured to pre-dose an additive into the fuel tank of a motor vehicle before or during filling, of the vehicle fuel tank. The dosing system includes a base unit having an enclosure that includes a controller, product reservoir and a pump. The dosing system also includes a dynamic fill adapter that is attached to the filler neck of the fuel tank. The tank of base unit is fluidly coupled to the fill adapter. Removal of the cap from the fill adapter causes a predetermined dose of additive to be dispensed from the product reservoir into the fuel tank through the fill adapter.

A vehicle includes an engine to receive a cracked gas mixture. A cracker of the vehicle can receive ammonia and energy, crack the ammonia to form the hydrogen gas and a nitrogen gas, and convey the hydrogen gas to the engine. A controller for the vehicle can receive a predefined route for the vehicle. The controller can predict a future load demand of the vehicle based on the predefined route. The controller can adjust a flow rate of ammonia delivered to the cracker based on the future load demand.

An homogeneous charge compression ignition internal combustion engine has a combustion cylinder, and a combustion piston head movable along a piston axis within the combustion cylinder. A compression ignition cylinder is fluidically connected to the combustion cylinder. A compression ignition piston moves in reciprocating motion within the compression ignition cylinder. The compression ignition piston is adapted to be moved between a bottom dead centre position corresponding to a maximum volume of the compression ignition cylinder to a top dead centre position corresponding to a minimum volume of the compression ignition cylinder during operation of the engine to create a pressure spike within the combustion cylinder thereby causing auto ignition of a fuel / air mixture within the combustion cylinder.