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| Number | Title | Issue Date |
| 7438025 | Ultra-expansion four-stroke internal combustion engine An ultra-expansion four-stroke internal combustion engine, includes a cylinder and a piston, wherein the compression degree of the admission space that satisfies the power requirement is maintained at 1.8-5 Mpa at the end of compression stroke to form the condition ... | 10/21/2008 |
| 7398744 | Method for the operation of an internal combustion engine In a method of operating a 4-stroke internal combustion engine selectively in a compression ignition operation, in which an outlet valve of the internal combustion engine is closed at a comparatively early closing time point with respect to a crank angle (α) and in... | 07/15/2008 |
| 7370633 | Load transient control methods for direct-injection engines with controlled auto-ignition combustion A direct injection controlled auto-ignition engine is operated at steady state, within a homogeneous charge compression-ignition (HCCI) load range and with fuel-air-diluent mixtures at predetermined conditions, for each speed and load, of engine control inputs, incl... | 05/13/2008 |
| 7370616 | Method for transition between controlled auto-ignition and spark ignition modes in direct fuel injection engines A method is provided for control of transition between combustion modes of a direct-injection engine operable in a homogeneous charge compression ignition (HCCI) mode at lower loads and a spark ignition flame propagation (SI) mode at higher loads. The engine include... | 05/13/2008 |
| 7367313 | Speed transient control methods for direct-injection engines with controlled auto-ignition combustion A direct injection controlled auto-ignition engine is operated at steady state, within a homogeneous charge compression-ignition (HCCI) load range and with fuel-air-diluent mixtures at predetermined conditions, for each speed and load, of engine control inputs, incl... | 05/06/2008 |
| 7367290 | Diesel combustion mode switching control strategy and model A combustion mode switching control system for diesel engines is provided. The system includes: a switch determination module that initiates a switch request to switch between at least one of a premixed compression ignition (PCI) mode and a diesel combustion mode ba... | 05/06/2008 |
| 7367310 | Controller for compression ignition engine The controller includes combustion mode switching means for decreasing an exhaust gas temperature in the spark ignition combustion immediately before the combustion mode switching based on an estimated exhaust gas temperature immediately before the combustion mode s... | 05/06/2008 |
| 7367308 | Method for load transient control between lean and stoichiometric combustion modes of direct-injection engines with controlled auto-ignition combustion A method is provided for control of a direct-injection engine operated with controlled auto-ignition (HCCI) during load transient operations between modes of lean combustion low load (HCCI/Lean) and stiochiometric combustion medium load (HCCI/Stoich.). The method in... | 05/06/2008 |
| 7360509 | Method for operating compression ignition internal combustion engine An object is to provide a method for operating a compression ignition internal combustion engine which, using a single fuel, can produce diesel combustion when the load is high, or homogeneous-charged compression ignition combustion when the load is low. The operati... | 04/22/2008 |
| 7358621 | Using sound waves and photic energy for electric power An electric power generating and gaining device using sound waves and photic energy to generate magnetism together using a crystal microphone device providing a metallic film with metallic coil leading wires to sense and receive the frequency of external sound waves... | 04/15/2008 |
| 7357103 | Internal combustion engine and method for performing a mode switch in said engine The invention relates to an internal combustion engine provided with at least one cylinder and comprising a fuel injection system, an intake air charging system for supplying air under pressure to an air intake manifold, a controller for controlling the fuel injecti... | 04/15/2008 |
| 7357119 | Variable valve type internal combustion engine and control method thereof The operation modes of plural intake valves 7a and 7b provided in one cylinder is independently changed according to the drive region of the internal combustion engine. In the low air amount region, the intake airflow is controlled only w... | 04/15/2008 |
| 7347179 | Method for operating an internal combustion engine In a method for operating an internal combustion engine in which the angular locations where the fuel/air mix combustions takes place can be controlled by an adjustment of the inlet and outlet valve timing, the timing of at least one of the intake and exhaust valve ... | 03/25/2008 |
| 7341205 | Fuel injection nozzle for DME fuel, and diesel engine including the fuel injection nozzle for DME fuel An existing diesel engine vehicle of light oil fuel is enabled to run as a diesel engine vehicle using DME as fuel without exchanging a whole diesel engine and at very low cost and easily. The shape of a tip part 21 of a needle valve 2 is set by a cent... | 03/11/2008 |
| 7325529 | Method and apparatus for controlling combustion quality of a gaseous-fuelled internal combustion engine A method and apparatus for controlling to a target heat release rate (HRR) uses an HRR control lever, namely, pilot fuel timing and/or pilot fuel quantity, used in a gaseous-fuelled compression ignition internal combustion engine. The mechanism to control HRR to a t... | 02/05/2008 |
| 7325528 | Method of operating a single cylinder two-stroke engine The invention is directed to a method for operating a two-stroke engine having a cylinder in which a combustion chamber is formed and which includes devices for metering fuel and supplying combustion air as well as an ignition device for igniting a mixture in the co... | 02/05/2008 |
| 7322341 | Control system for internal combustion engine A control system for an internal combustion engine having a fuel injection valve. A fuel injection timing is determined according to the detected engine operating condition. A target ignition timing of the fuel is calculated using a plurality of maps that store the ... | 01/29/2008 |
| 7320297 | Internal combustion engine There is provided an internal combustion engine that uses a blended fuel consisting of hydrocarbon and alcohol, and can efficiently operate relative to a wide range of required load. The internal combustion engine includes: intake ports 4a and 4... | 01/22/2008 |
| 7318427 | Method for operating an internal combustion engine In a method of operating a reciprocating-piston internal combustion engine with a combustion chamber in which a fuel mix with fresh gas is provided via intake ports and combustion exhaust gases are discharged through exhaust ports which can be opened by intake valve... | 01/15/2008 |
| 7290522 | High compression ratio, high power density homogeneous charge compression ignition engines using hydrogen and carbon monoxide to enhance auto-ignition resistance High compression ratio, homogeneous charge compression ignition engines. In one aspect the engine is dual mode utilizing spark ignition at high load levels including the addition of hydrogen or a hydrogen/carbon monoxide mixture. In another aspect, the engine operat... | 11/06/2007 |
| 7261084 | Arrangement and method for controlling combustion in a combustion engine An arrangement and a method for controlling a combustion engine, e.g. of the type called HCCI engine. A control unit is operable for controlling the self-ignition of the fuel mixture towards an optimum crankshaft angle (cadiopt) within a load range (L | 08/28/2007 |
| 7261085 | Arrangement and method for controlling a combustion engine An arrangement and a method for controlling a combustion engine, e.g. of the type called HCCI engine. A control unit for controlling the self-ignition of the fuel mixture towards an optimum crankshaft angel (cadiopt) within a load range (Ltot).... | 08/28/2007 |
| 7258104 | Method and apparatus for controlling operation of dual mode HCCI engines An intake and exhaust system for a dual mode HCCI engine, which provides superior intake temperature control and homogeneity for engine operation in SI and HCCI modes, as well as during transition between SI and HCCI modes and vice-versa. The system includes adjuste... | 08/21/2007 |
| 7231905 | Internal combustion engine exhaust gas recirculation control An internal combustion engine is configured with combustion chamber pressure sensing and exhaust gas recirculation apparatus. Exhaust gas recirculation control includes closed-loop controlling exhaust gas recirculation apparatus in accordance with a predetermined co... | 06/19/2007 |
| 7231906 | Simultaneous EGR correction and individual cylinder combustion phase balancing An internal combustion engine is configured with combustion chamber pressure sensing and exhaust gas recirculation apparatus. Fuel injection timing is adjusted based on combustion phasing and exhaust gas recirculation is controlled based on average fuel injection ti... | 06/19/2007 |
| 7219633 | Compression ignition rotating cylinder engine A compression ignition rotating cylinder engine (CIRC), provides a design that has several distinct advantages over conventional internal combustion engines. Rotating cylinder blocks and a fixed header plate provide a more fuel-efficient engine with constant positiv... | 05/22/2007 |
| 7216607 | Emission control water injection system for diesel engines A water injection system (WIS) for diesel engines that reduces NOx, PM and CO2 emissions is provided. Water is injected into the combustion air stream before cylinders in a predetermined proportion to fuel. The present invention utilizes a special water p... | 05/15/2007 |
| 7213572 | System and method for engine operation with spark assisted compression ignition A method of operating an internal combustion engine having a combustion chamber with a piston, comprising of adjusting an operating parameter of the engine so that a mixture of air and fuel in the combustion chamber approaches, but does not achieve, an autoignition ... | 05/08/2007 |
| 7200538 | Methods and apparatus for modeling gas turbine engines A method enables modeling of a gas turbine engine that includes a pulse detonation system. The method includes providing a pulse detonation modeling system, predicting characteristics of the engine using the pulse detonation modeling system, and predicting character... | 04/03/2007 |
| 7194345 | Compressed air processing system for motor vehicles A compressed air processing system for motor vehicles includes a pressure control unit, an air dryer, a multi-circuit protection valve and an electronic control unit. The electronic control unit controls the valves of the pressure control unit, the valves of the air... | 03/20/2007 |
| 7185492 | Stirling engine having slidable piston The present invention is a rotary engine having a rotor and a slidable piston that are contained within a stator. ... | 03/06/2007 |
| 7182046 | Deformable combustion chamber-based internal combustion engine and generator A reciprocating internal combustion engine is based on Homogenous Charge Compression Ignition (HCCI) that occurs in a deformable, resonant combustion chamber and that is coupled mechanically to efficient, resonant, electro-mechanical transducers acting as motors and... | 02/27/2007 |
| 7178507 | Engine cylinder-to-cylinder variation control A control system and method for balancing output and exhaust emission values of the various cylinders of an engine having individual cylinder fuel delivery control. Selected output and emission related values for one cylinder, selected as a base cylinder, are compar... | 02/20/2007 |
| 7171924 | Combustion control system of a homogeneous charge An internal combustion engine has at least one combustion chamber and a piston slidably disposed within the at least one combustion chamber. The piston is configured to reciprocate between a top-dead-center position and a bottom-dead-center position. The internal co... | 02/06/2007 |
| 7168396 | Variable compression ratio strategy for improving combustion processes in alternative combustion compression ignition engines A compression ignition engine (10) has a control system (24) for processing data, one or more cylinders (16), a fueling system (18), and a variable valve actuation mechanism (20). Control system (24) develops both fueling da... | 01/30/2007 |
| 7156070 | Method for auto-ignition operation and computer readable storage device for use with an internal combustion engine An internal combustion engine that can be operated in compression ignition mode, comprising a fuel injector (2) for each cylinder; a fuel injection control unit (4) for controlling fuel injection quantity and a piston (5) in each cylinder whose ... | 01/02/2007 |
| 7152559 | Valve and fueling strategy for operating a controlled auto-ignition four-stroke internal combustion engine Part load operating point for a controlled auto-ignition four-stroke internal combustion engine is reduced without compromising combustion stability through a valve control operative to establish low pressure conditions within the combustion chamber into which fuel ... | 12/26/2006 |
| 7128048 | Control apparatus and control method for multi-cylinder engine In a multi-cylinder engine having a compression ignition combustion mode, a vibration detecting sensor that is preferably mounted in a cylinder block or a cylinder head is used to detect a frequency and the detected frequency is appropriately analyzed to detect or e... | 10/31/2006 |
| 7121254 | Compression-ignited IC engine and method of operation The present invention is a compression ignition internal combustion engine and method of operation which expands the load limit of quietly operating a premixed charge compression ignition (PCCI) engine by injecting a secondary fuel B, in ratios lean of stoichiometri... | 10/17/2006 |
| 7121233 | Control apparatus for an internal combustion engine A control apparatus for an internal combustion engine that is capable of switching between compression ignition combustion and spark ignition combustion is provided. The control apparatus is configured to perform fuel cut. The spark ignition combustion is performed ... | 10/17/2006 |
