15results about "Liquid engine fuels" patented technology

A fuel conditioning system for an engine comprises a plurality of mixing vessels that include an input mixing vessel and an output mixing vessel, at least one inlet for receiving fuel and water into the input mixing vessel and at least one outlet for supplying the fuel and water from the output mixing vessel to the engine. A conduit system is arranged to transfer the fuel and water through each of the mixing vessels from the input mixing vessel to the output mixing vessel. Each of the mixing vessels comprises an internal chamber containing a plurality of nebulizing members. The nebulizing members are configured to rotate about a rotational axis extending through the internal chamber to nebulize the fuel and water therein. One or more magnets disposed in the internal chamber to attract ferromagnetic substances present in the fuel and / or water.

An air-vapor engine which exhibits one or more cylinders and a piston located therein, by which a stroke movement can be performed. Furthermore, the air-vapor engine has an injection nozzle and a prechamber. The prechamber is arranged between the injection nozzle and the cylinder, a fuel fluid is introduced into the prechamber from the injection nozzle. Compressed air from the cylinder can be received by the prechamber. This enables the stroke movement of the cylinder. In addition, the cylinder is connected to a condenser via an outlet valve such that the air-vapor mixture or the vapor of the air-vapor mixture condenses and is present in the condenser as condensate. The condenser and the injection nozzle are in flow connection. This means that the air-vapor engine exhibits a circuit, resulting in efficient operability.

The invention belongs to the technical field of methanol generators, and relates to a methanol generator set based on artificial intelligence. By analyzing the operation condition of the target methanol generator set, the abnormal condition of the target methanol generator set can be found in time, potential faults can be predicted in advance, stable operation of the target methanol generator set is ensured, fuel supply of the target methanol generator set can be ensured by predicting the load demand quantity of the target methanol generator set in the prediction time period, and the reliability of the target methanol generator set is improved. By analyzing the current fuel supply matching degree of the target methanol generator set, the power generation condition of the target methanol generator set can be dynamically adjusted, the power generation efficiency and the energy utilization rate of the target methanol generator set are improved, and the actual load demand quantity of the target methanol generator set in the current time period is obtained. And the output power and the charging and discharging strategy of the energy storage system can be quickly adjusted, the electric power fluctuation can be smoothed, and the stable operation of the electric power system can be ensured.

To disclose embodiments that relate generally to systems and methods of operating internal combustion (IC) engines, and more specifically to systems and methods of starting compression ignition (CI) engines when a surrounding environment is significantly colder than a normal operating temperature of the engine (i.e., "cold-start").SOLUTION: In some embodiments, the CI engine can include an ignition-assist device. In some embodiments, a method of operating the CI engine during cold-start can include opening an intake valve to draw a volume of air into the combustion chamber, moving a piston from a bottom-dead-center position to a top-dead-center position in a combustion chamber at a compression ratio of between about 15 and about 25, injecting a volume of fuel, the fuel having a cetane number of less than about 30, closing the intake valve, and combusting substantially all of the volume of fuel.SELECTED DRAWING: Figure 2

Embodiments described herein relate to systems and methods of operating internal combustion (IC) engines by combusting various fuel chemistries therein. Specifically, engines described herein can operate a wide range of fuel chemistries with varying molecular formulas. The chemical compositions of the fuels described herein make them more difficult to ignite than long chain hydrocarbons (i.e., fuels that include 6 or more carbon atoms in a molecule). In some embodiments, engines described herein can combust fuels that have the chemical properties of alcohols. In some embodiments, engines described herein can combust fuels that include hydroxide groups. Examples of such fuels include methanol and / or ethanol. In some embodiments, engines described herein can combust natural gas. These fuel chemistries are difficult to ignite, particularly at low temperatures and during initial engine startup. Systems and methods described herein address these ignition difficulties, particularly in diesel engine architectures.

This invention belongs to the field of methanol generator technology and relates to an artificial intelligence-based methanol generator set. By analyzing the operating status of the target methanol generator set, this invention helps to promptly detect anomalies and predict potential faults, ensuring the stable operation of the target methanol generator set. By predicting the load demand of the target methanol generator set during the predicted time period, it helps to ensure its fuel supply and avoid the risk of insufficient power generation or shutdown due to fuel shortages. By analyzing the current fuel supply matching degree of the target methanol generator set, it helps to dynamically adjust its power generation, improving its power generation efficiency and energy utilization rate. By obtaining the actual load demand of the target methanol generator set during the current time period, it helps to quickly adjust its output power and the charging and discharging strategy of the energy storage system, helping to smooth power fluctuations and ensuring the stable operation of the power system.

A neat-fuel direct-injected compression ignition engine having a thermal barrier coated combustion chamber, an injection port injects fuel that satisfies a stoichiometric condition with respect to the intake air, a mechanical exhaust regenerator transfers energy from exhaust gas to intake compression stages, an exhaust O2 sensor inputs to a feedback control to deliver quantified fuel, a variable valve actuation (VVA) controls valve positions, an exhaust gas temperature sensor controls exhaust feedback by closing the exhaust valve early according to the VVA, or recirculated to the chamber with an exhaust-gas-recirculation (EGR), heat exchanger, and flow path connecting an air intake, a load command input, and a computer operates the EGR from sensors to input exhaust gas according exhaust temperature signals and changes VVA timing, the load control is by chamber exhaust gas, the computer operates a fuel injector to deliver fuel independent of exhaust gas by the O2 signals.

A duel-fuel large diesel engine is proposed, comprising at least one cylinder having a combustion chamber, wherein a piston is arranged in the cylinder for a reciprocating movement between a top dead center position and a bottom dead center position, wherein the cylinder is provided with a first fuel injector (10) for injecting a first fuel into the combustion chamber, and a second fuel injector (20) for injecting a second fuel into the combustion chamber, wherein the first fuel is different from the second fuel, the large diesel engine further comprising a first fuel supply system (5) for supplying the first fuel to the cylinder and a second fuel supply system (7) for supplying the second fuel to a fuel distribution system (6), wherein the fuel distribution system (6) is configured to deliver the second fuel from the second fuel supply system (7) to the second fuel injector (20). A purge line (9) is provided connecting the first fuel supply system (5) to the fuel distribution system (6), wherein a switching member (8) is provided for opening and closing a flow connection through the purge line (9). Furthermore, a method for operating such an engine is proposed.

A fuel conditioning system for an engine comprises a plurality of mixing vessels, including an inlet mixing vessel and an outlet mixing vessel, at least one inlet for receiving fuel and water into the inlet mixing vessel, and at least one outlet for supplying fuel and water from the outlet mixing vessel to the engine. A piping system is arranged such that the fuel and water are conveyed through each of the mixing vessels from the inlet mixing vessel to the outlet mixing vessel. Each of the mixing vessels includes an inner chamber containing a plurality of atomizing elements. The atomizing elements are configured to rotate about an axis of rotation passing through the inner chamber to atomize the fuel and water within it. One or more magnets are arranged in the inner chamber to attract ferromagnetic substances present in the fuel and / or water.

The invention relates to an air / steam engine having one or more cylinders and a piston located therein, by means of which a stroke movement can be carried out. Further, the air / steam engine includes an injection nozzle and a pre-chamber. A pre-chamber is arranged between the injection nozzle and the cylinder, wherein fuel fluid can be introduced from the injection nozzle into the pre-chamber. The pre-chamber can receive compressed air from the cylinder such that an air / steam mixture is formed within the pre-chamber, which mixture can be introduced into the cylinder. This makes it possible to cause a stroke movement of the cylinder. Furthermore, the cylinder is connected to the condenser via an outlet valve such that the air / steam mixture or the steam of the air / steam mixture condenses and is present in the condenser as a condensate. The condenser and the injection nozzle are fluidly connected to each other via a high pressure pump and a high pressure tank such that fuel fluid can flow from the condenser back into the injection nozzle via the high pressure pump and the high pressure tank. The air / steam engine thus includes a circuit, resulting in efficient operational capability.

A fuel conditioning system for an engine comprises a plurality of mixing vessels that include an input mixing vessel and an output mixing vessel, at least one inlet for receiving fuel and water into the input mixing vessel and at least one outlet for supplying the fuel and water from the output mixing vessel to the engine. A conduit system is arranged to transfer the fuel and water through each of the mixing vessels from the input mixing vessel to the output mixing vessel. Each of the mixing vessels comprises an internal chamber containing a plurality of nebulizing members. The nebulizing members are configured to rotate about a rotational axis extending through the internal chamber to nebulize the fuel and water therein. One or more magnets disposed in the internal chamber to attract ferromagnetic substances present in the fuel and / or water.

A fuel conditioning system for an engine includes a plurality of mixing vessels including an input mixing vessel and an output mixing vessel, at least one inlet for receiving fuel and water into the input mixing vessel and at least one outlet for supplying the fuel and water from the output mixing vessel to the engine. A conduit system is arranged to transport the fuel and water from the input mixing vessel to the output mixing vessel through each of the mixing vessels. Each of the mixing vessels includes an internal chamber housing a plurality of atomizing members. The atomizing members are configured to rotate about an axis of rotation extending through the internal chamber to atomize the fuel and water in the internal chamber. One or more magnets are disposed within the internal chamber to attract ferromagnetic material present in the fuel and / or water.

The invention relates to an air / steam engine which has one or more cylinders and a piston located therein, by which a stroke movement can be carried out. Furthermore, the air / steam engine comprises an injection nozzle and an antechamber. The antechamber is arranged between the injection nozzle and the cylinder, with a fuel fluid being able to be introduced into the antechamber from the injection nozzle. Compressed air can be received by the antechamber from the cylinder such that an air-steam mixture is formed within the antechamber, and this can be introduced into the cylinder. This makes it possible to bring about the stroke movement of the cylinder. Furthermore, the cylinder is connected via an outlet valve to a condenser such that the air / steam mixture or the steam of the air / steam mixture condenses and is present in the condenser as condensate. The condenser and the injection nozzle are fluidically connected to each other via a high-pressure pump and a high-pressure tank such that the fuel fluid can pass back out of the condenser via a high-pressure pump and a high-pressure tank into the injection nozzle. The air / steam engine therefore comprises a circuit, thus resulting in an efficient operating capability.

A duel-fuel large diesel engine is proposed, comprising at least one cylinder having a combustion chamber, wherein a piston is arranged in the cylinder for a reciprocating movement between a top dead center position and a bottom dead center position, wherein the cylinder is provided with a first fuel injector (10) for injecting a first fuel into the combustion chamber, and a second fuel injector (20) for injecting a second fuel into the combustion chamber, wherein the first fuel is different from the second fuel, the large diesel engine further comprising a first fuel supply system (5) for supplying the first fuel to the cylinder and a second fuel supply system (7) for supplying the second fuel to a fuel distribution system (6), wherein the fuel distribution system (6) is configured to deliver the second fuel from the second fuel supply system (7) to the second fuel injector (20). A purge line (9) is provided connecting the first fuel supply system (5) to the fuel distribution system (6), wherein a switching member (8) is provided for opening and closing a flow connection through the purge line (9). Furthermore, a method for operating such an engine is proposed.

An inverted horizontal gasoline or gas engine structure belongs to the field of engine technology. It provides a structure that enables an inverted gasoline or gas engine with a displacement of 1.751L to 2.049L to be arranged as a whole at an inclination angle of 40° to 60°. The gasoline or gas engine body is arranged at an inclination angle of α, the upper right part of the gasoline or gas engine body is connected to a valve cover by bolts, the upper part of the gasoline or gas engine body is connected to an intake manifold by bolts, a PCV hose is connected between the PCV valve interface of the valve cover and the PCV nozzle of the intake manifold, and an EGR valve is arranged at an angle of β to the left on the upper half of the gasoline or gas engine body. The present invention is aimed at a compact engine compartment and effectively solves the problem that a horizontal gasoline / gas engine cannot be arranged in the width direction of the compartment.