Class / Patent application number | Description | Number of patent applications / Date published |
123525000 | Combined liquid and gaseous fuel | 25 |
20080223344 | Internal Combustion Engine Using Hydrogen - In an internal combustion engine using hydrocarbon fuel and hydrogen gas as fuels and including a fuel injection device that injects liquid fuel, a hydrogen-blended fuel in which hydrogen gas is contained in the form of minute bubbles in a liquid hydrocarbon fuel, that is supplied to the fuel injection device. The hydrogen-blended fuel is stored in a fuel tank. Hydrogen gas that has escaped from the hydrogen-blended fuel in the fuel tank is fed to a minute-bubble producing device, which forms the fuel gas into minute bubbles and mixes the minute bubbles back into the hydrogen-blended fuel. | 09-18-2008 |
20100212642 | Fluid Metering Unit and Fluid Metering System - A fluid metering system has a metering valve, which is located between a supply region and a fluid metering region and an actuator drive that converts the elongation of at least two drive elements into the rotation of a drive shaft, the shaft being mechanically coupled to the metering valve, driving the latter for the metering process. | 08-26-2010 |
20100229838 | Dual Fuel Compression Ignition Engines and Methods - Dual fuel compression ignition engines and methods that allow compression ignition on gaseous fuels like compressed natural gas, hydrogen and ammonia, yet will run on liquid fuels, including diesel fuels for such purposes as starting or when the gaseous fuel is not available or has been consumed and greater range or operating time is needed. Ignition of fuels having a high self ignition temperature is assured by recirculating high temperature exhaust gas back into the intake charge before compression. Existing engines may be converted to run as a dual fuel engine by replacement of the engine head or heads. Various embodiments are disclosed. | 09-16-2010 |
20130014731 | On-Board Fuel Vapor Separation for Multi-Fuel Vehicle - A fuel delivery system for a fuel burning engine of a vehicle and a method of operating the fuel delivery system is provided. As one example, the method includes separating a first fuel and a second fuel from a fuel vapor on-board the vehicle, said fuel vapor including at least an alcohol component and a hydrocarbon component and said first fuel including a higher concentration of the alcohol component than the fuel vapor and the second fuel; condensing the separated first fuel from a vapor phase to a liquid phase; delivering the condensed liquid phase of the first fuel to the engine; and combusting at least the condensed liquid phase of the first fuel at the engine. | 01-17-2013 |
20130025573 | ENGINE AND METHOD OF OPERATING ENGINE - A method of operating an engine comprises introducing into a cylinder volume a non-compression-combustible fuel, such as natural gas, a compression-combustible fuel, such as diesel, and an oxidant and mixing the components for greater than about 275 microseconds, prior to compression combusting the compression-combustible fuel. The mixing may be done such that the two fuels are at least partially homogenized in the cylinder volume. By mixing, or premixing, the two fuels prior to combustion, the compression-combustible fuel is then simultaneously combusted via compression at multiple ignition points in the volume. The second, non-compression-combustible fuel is ignited in response to the combustion of the first fuel. An engine that enables the various methods is also disclosed. | 01-31-2013 |
20130174814 | BI-FUEL ENGINE - A surge tank | 07-11-2013 |
20140026868 | ADSORBED NATURAL GAS FUEL SYSTEM FOR HYBRID MOTOR VEHICLES - Disclosed are methods and systems for fueling hybrid vehicles by placing as part of the vehicle fuel system a tank containing a natural gas adsorbent where the natural gas is initially stored in said tank at a pressure of 700 psia or less. | 01-30-2014 |
20140150753 | FUEL RECOVERY SYSTEM - A fuel recovery system for a machine is disclosed. The fuel recovery system may have a tank configured to store a liquid fuel. The fuel recovery system may also have an accumulator fluidly connected to the tank and configured to receive gaseous fuel formed in the tank. The fuel recovery system may further have a compressor fluidly connected to the accumulator and configured to compress the gaseous fuel. In addition, the fuel recovery system may have a separator fluidly connected to the compressor and the tank. The separator may be configured to receive the compressed gaseous fuel, and separate the compressed gaseous fuel into a first flow of gaseous fuel at a first temperature and a second flow of gaseous fuel at a second temperature. In addition, the separator may be configured to direct the second flow to the tank. | 06-05-2014 |
20140331977 | SYSTEM AND METHOD FOR COMBUSTING VOLATILE VAPORS - A system for combusting volatile vapors includes: a carburetor having intake valves for receiving fuel from a fuel source, an from an external an intake, and volatile vapors from a vapor source, the carburetor configured to discharge a combustion mixture into a combustion engine; a plurality of sensors configured to generate sensor data based on a respective plurality of physical properties associated with the carburetor and the combustion engine; a programmable controller configured to receive the sensor data as input from each of the plurality of sensors and to control the intake valves to regulate respective ratios of the fuel, an and the volatile Vapors drawn through the carburetor in response to the received sensor data; and a display operatively coupled to the programmable controller to display at least a real-time portion of the sensor data. | 11-13-2014 |
20140360474 | METHOD AND SYSTEM FOR PROVIDING FUEL TO INTERNAL COMBUSTION ENGINES - The present invention relates to a system and method for providing fuel to internal combustion engines including fuel activation prior to injection. The method carried out by the system comprises dissolving a mixture of gasses providing improved fuel dispersing after fuel injection into a combustion chamber. Dissolved gasses desorption is stimulated from a unsaturated fuel solution. Full control of fuel flows with dissolved gas/gasses to and from injectors and FET technology based on Henry's law (dissolving gasses in the liquids) and Kelvin principle (vapor pressure over droplet surface). The system consists of compact components, including exhaust gasses recirculation system which can be easily added to existing diesel and gasoline engine fuel supply systems. The method and system were tested with four different types of engines and provides fuel economy in 12-20% decrease of emissions and up to 25% at variable engine loads and significantly at engine cold start. | 12-11-2014 |
20150068500 | ENGINE - It is an object of the present invention to provide an engine which can easily be produced. In an engine including an electronic throttle device, a control unit for controlling the electronic throttle device, and a gas fuel supply unit, a gaseous-fuel mixer is used as the gas fuel supply unit, and when an extending direction of a crankshaft is defined as a longitudinal direction and an engine cooling fan is defined as existing on a front side and a side opposite from the front side is defined as a rear side, a collector of an intake manifold extends in the longitudinal direction, the electronic throttle device is mounted on the rear side of the collector, and the gaseous-fuel mixer is mounted on the rear side of the electronic throttle device. | 03-12-2015 |
20150122230 | DUAL FUEL SELECTOR SWITCH - A fuel selector for use with a dual fuel generator includes a selector plate, a first fuel valve assembly positioned adjacent the selector plate and actuatable between an ON position and an OFF position to selectively control a first fuel flow to an engine of the dual fuel generator, and a second fuel valve assembly positioned adjacent the selector plate and actuatable between an ON position and an OFF position to selectively control a second fuel flow to the engine of the dual fuel generator. A selector switch coupled to the selector plate is linearly translatable from a first position to a second position, so as to enable positioning of only one of the first fuel valve assembly and the second fuel valve assembly in the ON position at a given time, such that the first and second fuel valve assemblies cannot be in the ON position concurrently. | 05-07-2015 |
20150377159 | SYSTEMS FOR A MULTI-FUEL CAPABLE ENGINE - Various methods and systems are provided for a multi-fuel capable engine. The system includes a liquid fuel system to deliver liquid fuel to an engine, a gaseous fuel system to deliver gaseous fuel to the engine, and a control system. The control system, during a gaseous fuel system test mode, controls the liquid fuel system and the gaseous fuel system to deliver the liquid fuel and the gaseous fuel to the engine over a range of engine operating points, and indicate degradation of the gaseous fuel system based on engine output at each of the engine operating points. | 12-31-2015 |
20160115882 | METHOD OF CONTROLLING A DUAL FUEL ENGINE - In a method of controlling a dual fuel engine in which power in the form of a first gaseous fuel and in the form of a self-igniting second fuel is fed to at least one combustion chamber, a knock signal representative of the combustion chamber is detected. When a knock signal indicating a knock of at least a first intensity is detected, the amount of first fuel fed to the combustion chamber of the engine is increased, the increased introduction of power into the combustion chamber caused by the increase in the amount of first fuel being compensated by a corresponding reduction in the power contribution of the second fuel. When a knock signal indicating a knock of at least a second intensity greater than the first intensity is detected, the amount of first fuel is reduced. | 04-28-2016 |
20160138497 | METHOD AND SYSTEM FOR IMPROVING CHANGE OF FUEL IN BI-FUEL VEHICLE - A method for improving a change of fuel in a bi-fuel vehicle includes: a step of measuring an LPG level in an LPG fuel tank; a pressure reference driving step of continuing the driving of the vehicle using the LPG fuel; a pressure change rate reference driving step of continuing the driving of the vehicle using the LPG fuel when it is determined that the vehicle may be driven by the LPG fuel by comparing an LPG rail pressure change quantity and a pressure change quantity in the LPG fuel tank with a set reference value; and a fuel expanding step of continuing the driving of the vehicle using the LPG fuel when it is determined that the vehicle may be driven by the LPG fuel by comparing an injection quantity of LPG fuel and an accumulated value of mileage with a set reference value. | 05-19-2016 |
20160146133 | METHOD AND CONTROL DEVICE FOR OPERATION OF AN ENGINE - A method for operating an engine, such as a dual-fuel engine, that includes a plurality of cylinders in which an air/gas mixture of air and gaseous fuel is ignited during a power stroke using an ignition fluid that is injected into each cylinder during a power stroke of the cylinder. The air/gas mixture is injected into each cylinder, and the injection fluid is injected into the each cylinder into which the air/gas mixture has been injected. The ignition fluid is injected into the each cylinder in at least two consecutive injections during the power stroke of the each cylinder. | 05-26-2016 |
20160146147 | MODULE FOR CONTROLLING FUEL PRESSURE IN AN INTERNAL COMBUSTION ENGINE - A module for controlling a first fuel rail pressure in an internal combustion engine and maintaining a predetermined pressure bias with a second fuel rail pressure comprises a manifold body and several components that are mounted on the manifold body to form an unitary and independent structure that is fluidly connected to a first fuel supply and to a first fuel rail. The components that are mounted on the manifold body are a pressure regulator, a shut-off valve and a check valve and can further comprise, for example, a service valve for venting the fuel from the module and/or a sensor for measuring the pressure in the first fuel rail. | 05-26-2016 |
20160160766 | KIT FOR THE REALIZATION OF A DUAL LPG/PETROL FUEL SYSTEM FOR OUTBOARD ENGINES FOR MOTORBOATS - The present invention relates to a kit for an LPG fuel for petrol run engines and in particular, a kit of electronic and hydraulic components for the realization of a dual fuelling LPG/petrol system ( | 06-09-2016 |
20160169143 | MULTI-FUEL SYSTEM FOR INTERNAL COMBUSTION ENGINES | 06-16-2016 |
20160201626 | METHOD AND SYSTEM FOR INCREASING VACUUM GENERATION BY AN ENGINE | 07-14-2016 |
20170234245 | SYSTEMS, METHODS, AND APPARATUS FOR OPERATION OF DUAL FUEL ENGINES | 08-17-2017 |
20190145351 | SYSTEM AND METHOD FOR COMBUSTING VOLATILE VAPORS | 05-16-2019 |
123526000 | Diesel engine convertible from liquid to gas | 3 |
20120085326 | METHOD AND APPARATUS FOR CONVERTING DIESEL ENGINES TO BLENDED GASEOUS AND DIESEL FUEL ENGINES - The invention presents a method of converting a diesel fueled engine to a blended-fuel engine capable of operating on blended gaseous fuel and diesel fuel, where the diesel fueled engine has a plurality of cylinders, a plurality of diesel fuel injectors for injecting diesel fuel into the cylinders, and an Engine Control Unit (ECU) for controlling at least the operation of the diesel injectors by sending diesel fuel injector control signals to the diesel fuel injectors. | 04-12-2012 |
20150354473 | GAS PRESSURE HIGH AND LOW DETECTION - A system and method for detecting pressure deviation of a first fluid in an engine is disclosed. The method may comprise calculating, for each of a plurality of measurements, a delta between an actual first fluid pressure and a target pressure, summing each delta obtained from the calculating, and determining pressure deviation of the first fluid based on a cumulative sum of the deltas. In an embodiment, the first fluid may be natural gas. | 12-10-2015 |
20160040609 | METHOD AND DEVICE FOR OPERATING A DUAL-FUEL INTERNAL COMBUSTION ENGINE - A method for operating a dual-fuel internal combustion engine, having an intake path and an engine having a number of cylinders. In the method the engine is operated in a first operating state in diesel operation with diesel or another liquid fuel, and in a second operating state in gas operation with gas as fuel in a charge mixture, and switching between diesel operation and gas operation takes place in a switchover range determined, in particular predetermined, by switchover operating parameters. | 02-11-2016 |