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| Number | Title | Issue Date |
| 8156920 | Procedure for the operation of an internal combustion engine Procedure for the transition of an internal combustion engine, particularly a gasoline engine with direct gasoline injection and with a partially variable valve-train assembly, from an initial mode of operation into a target mode of operation, whereby the initial mo... | 04/17/2012 |
| 8096279 | Premixed compression ignition type engine and method of controlling the same A premixed compression ignition type engine is operated while change over between spark ignition combustion and compression ignition combustion. This engine has a negative overlap period during steady operation under compression ignition combustion. In the same cyli... | 01/17/2012 |
| 8091527 | Method and apparatus for managing combustion mode transitions in an internal combustion engine An internal combustion engine includes two-step variable lift control mechanisms configured to control magnitude of valve lift of intake and exhaust valves to one of two discrete steps including low-lift valve open positions and high-lift valve open positions. A met... | 01/10/2012 |
| 8051827 | Applying the law of conservation of energy to the analysis and design of internal combustion engines A method for designing internal combustion engines can include selecting a compression ratio that produces a compression temperature just below the autoignition temperature of a fuel/air mixture, selecting a fuel equivalence ratio that produces a combustion temperat... | 11/08/2011 |
| 7992537 | Approach for improved fuel vaporization in a directly injected internal combustion engine A system and a method of facilitating fuel vaporization in a directly injected internal combustion engine are provided. As one example, vaporization may be improved by coordinating the timing of the directly injected fuel with intake valve opening while also utilizi... | 08/09/2011 |
| 7975668 | Spark timing and control during transitions between spark ignited combustion and homogenous charge compression ignition A control system for an engine comprises an air per cylinder (APC) generating module that generates measured and desired APC values. A combustion transition module selectively transitions the engine from spark ignition (SI) combustion to homogeneous charge compressi... | 07/12/2011 |
| RE42305 | Hydrogen-used internal combustion engine An internal combustion engine system comprises: a dehydrogenation reactor which performs a dehydrogenation reaction to separate organic hydride-contained fuel into hydrogen and dehydrogenated fuel; supply means which supplies separated hydrogen and dehydrogenated fu... | 04/26/2011 |
| 7918205 | Method and apparatus to control transition between HCCI and SI combustion in a direct-injection gasoline engine A method for transitioning operation of a spark-ignition, direct-injection internal combustion engine having a two-step, variable phase valvetrain between HCCI and SI modes includes providing a low-lift intake valve, un-throttled stoichiometric SI operation intermed... | 04/05/2011 |
| 7730870 | Engine dynamic load leveling A method for controlling an internal combustion engine having a plurality of cylinders using electronic valve actuation, including operating a first portion of the cylinders in a homogeneous charge compression ignition (HCCI) mode, operating a second portion of the ... | 06/08/2010 |
| 7717083 | Diesel combustion mode switching control based on intake carbon dioxide (CO2) concentration A method of switching a combustion mode of a diesel engine may include determining a carbon dioxide concentration in an intake manifold of a diesel engine, operating the diesel engine in a first combustion mode, and operating the diesel engine in a second combustion... | 05/18/2010 |
| 7717084 | Controller of internal combustion engine A controller includes a first intermediate mode which, when the operation mode of an internal combustion engine is shifted from a compression ignition operation mode to a spark ignition operation mode, is interposed between both the operation modes, and a second int... | 05/18/2010 |
| 7685989 | Two-cycle engine A 2-cycle engine 1 is provided with an ignition device 8; an exhaust control valve 24; and a controller 40 for controlling the ignition device 8 and the exhaust control valve 24. The controller 40 controls spark ignit... | 03/30/2010 |
| 7669578 | Method of operating an internal combustion engine A method of operating an internal combustion engine having a combustion chamber with a piston and a spark plug, comprising during a first mode, bringing the temperature of the combustion chamber to auto-ignition temperature by adjusting engine operating conditions a... | 03/02/2010 |
| 7654243 | Method for facilitating vaporization of a fuel for a diesel type direct-injection internal-combustion engine A method facilitates vaporization of a fuel in a direct-injection four-stroke engine including at least one cylinder with a combustion chamber, at least one fluid intake with an intake pipe and a valve, at least one burnt gas exhaust with an exhaust pipe and a valve... | 02/02/2010 |
| 7654244 | Arrangement and method for a combustion engine An arrangement and a method for a combustion engine for self-ignition of a fuel mixture. A first device supplies a first partial quantity of the fuel mixture to the combustion space, and a second device supplies a second partial quantity of the fuel mixture to the c... | 02/02/2010 |
| 7617812 | Method of operating a compression ignition engine It relates to a method of operating a compression ignition engine comprising:— determining an instantaneous driver torque demand; selectively operating the engine in a first mode or a second mode dependent on the... | 11/17/2009 |
| 7614383 | Method of operating a spark-ignition internal combustion engine during warm-up In a method for cold-running or warm-up operation of a spark-ignition, direct-injection 4-stroke internal combustion engine having an exhaust gas catalytic converter, wherein fuel is injected into the cylinders of the internal combustion engine by means of injectors... | 11/10/2009 |
| 7571707 | Engine mode transition utilizing dynamic torque control A method of operating an engine having a plurality of cylinders, the method comprising of transitioning the engine from a first mode to a second mode, and temporarily adjusting an amount of torque produced by a cylinder of the engine for at least one cycle responsiv... | 08/11/2009 |
| 7565892 | Method and apparatus for controlling mode transition in a spark-ignition direct-injection internal combustion engine The disclosure sets forth operating a spark-ignition, direct-fuel injection internal combustion engine, including transitioning the engine from operating in a stratified charge combustion mode to operating in a homogeneous charge combustion mode. External EGR flow i... | 07/28/2009 |
| 7556016 | Method and device for operating an internal combustion engine In order to operate an internal combustion engine, a value of an operating variable of the internal combustion engine is determined depending on at least one measured quantity of the internal combustion engine. A test is carried out to determine whether or not the v... | 07/07/2009 |
| 7540270 | Method and apparatus for controlling combustion mode transitions in an internal combustion engine A method to control operation of an engine during a transition from a first to a second combustion mode is provided. The engine includes a controllable throttle valve, a variable valve actuation system for controlling openings and closings of intake and exhaust valv... | 06/02/2009 |
| 7516731 | Apparatus and method for controlling internal combustion engine A control apparatus of an engine having a compression ignition combustion mode and a spark ignition combustion mode selects the spark ignition combustion mode when operation conditions fall within a spark ignition operation area set in a spark ignition operation are... | 04/14/2009 |
| 7497198 | System and method for controlling vehicle operation in response to fuel vapor purging A hybrid vehicle propulsion system, comprising of an engine having at least one combustion cylinder configured to selectively operate in one of a plurality of combustion modes, wherein a first combustion mode is a spark ignition mode and a second combustion mode is ... | 03/03/2009 |
| 7487756 | Direct fuel injection-type spark ignition internal combustion engine A direct cylinder fuel injection-type spark ignition internal combustion engine which executes a stratified charge combustion by vaporizing the fuel while flying after having been injected into the cylinder in the compression stroke to form a mixture in a portion in... | 02/10/2009 |
| 7484494 | Method and apparatus for a spark-ignited direct injection engine A spark-ignition, direct injection internal combustion engine includes a fuel injector effective to produce a fuel spray pattern which is relatively compact at low loads and relatively large at high loads. ... | 02/03/2009 |
| 7475668 | Spark ignition to compression ignition transition in an internal combustion engine A method of operating an internal combustion engine includes the steps of: igniting a diesel fuel and air mixture in a combustion cylinder using spark ignition; sensing knock in the combustion cylinder; adjusting a spark timing and a fuel injection amount in the com... | 01/13/2009 |
| 7461627 | Hybrid combustion in a diesel engine A compression ignition engine (10) has a control system (40), one or more combustion chambers (12), and fuel injectors (42, 44) for injecting fuel into the combustion chambers. The control system controls fueling using a result of the pro... | 12/09/2008 |
| 7438045 | Method of operating an internal combustion engine In a method of operating an internal combustion engine with a switch-over capability between a compression ignition mode of operation and a spark ignition mode of operation in higher load ranges which includes a cam-operated valve drive with a valve control providin... | 10/21/2008 |
| 7431009 | Method for operating an internal combustion engine A method for operating a four stroke internal combustion engine in which the combustion position can be set/controlled/corrected. The phase position of intake and/or exhaust phase is shifted for this purpose. Compression ignition takes place at part-load, and spark ... | 10/07/2008 |
| 7426918 | Engine having multiple injector locations A method for controlling a first and second injector of an engine, the first injector located in a first cylinder of the engine and the second injector located upstream of, and configured to inject fuel into, the first and a second cylinder of the engine, the method... | 09/23/2008 |
| 7421999 | Control apparatus for an internal combustion engine capable of pre-mixed charge compression ignition An electric control device 70 is applied to an internal combustion engine 10 capable of a pre-mixed charge compression ignition combustion in which air-fuel mixture gas including air and fuel injected from an injector 37 is formed in a combustio... | 09/09/2008 |
| 7418940 | Fuel injector spray pattern for direct injection spark ignition engines A system and method for operating an internal combustion engine include injecting fuel through a plurality of fuel jets of a fuel injector directly into a corresponding cylinder with at least a first plurality jets oriented to primarily support operation in a strati... | 09/02/2008 |
| 7412947 | Internal combustion engine system with hydrogen generation capability A dehydrogenated fuel tank 32 which is replenished with an organic hydride-contained hydrogenated fuel and a gasoline tank 48 which is replenished with normal gasoline are provided. In order to separate the hydrogenated fuel into a hydrogen rich gas an... | 08/19/2008 |
| 7412322 | Method and apparatus for engine control during auto-ignition combustion The invention comprises an engine system that is selectively operative in an auto-ignition combustion mode. A control module monitors engine operating states and control engine operation. A control subsystem controls engine operation based upon the monitored engine ... | 08/12/2008 |
| 7409926 | Controlling engine operation with a first and second fuel A method of operating an internal combustion engine including at least a combustion chamber having a piston disposed therein, the method comprising during a first number of cycles after start-up of the engine, supplying at least a first fuel to the combustion chambe... | 08/12/2008 |
| 7406942 | Direct-injection internal combustion engine and method of controlling the direct-injection internal combustion engine A direct-injection internal combustion engine includes a variable-exhaust-valve control device for controlling value timing of a variable exhaust valve through which the combustion chamber of an engine cylinder communicates with an exhaust path. The variable-exhaust... | 08/05/2008 |
| 7406947 | System and method for tip-in knock compensation A method of controlling an engine, the method comprising of providing fuel having a blend to a cylinder of the engine, actively varying said fuel blend in response to at least an operating condition, and where during a transient operating condition, said blend is ad... | 08/05/2008 |
| 7404389 | Direct injection internal combustion engine A direct injection engine has a fuel injection valve that directs a spray of fuel to each side of a spark plug electrode. The fuel mixes with the air to define a region of relatively richer air-fuel mixture and a region of relatively leaner air-fuel mixture. The ele... | 07/29/2008 |
| 7398758 | Combustion control method for a direct-injection controlled auto-ignition combustion engine A powertrain, and a control method therefor, are provided, wherein ignition of a combustible charge in a combustion chamber of a controlled auto-ignition internal combustion engine equipped with in-cylinder fuel-injection and a spark ignition device is controlled. T... | 07/15/2008 |
| 7400967 | Control system for internal combustion engine A control system for an internal combustion engine having at least one fuel injection valve for injecting fuel to an intake pipe or a combustion chamber of the engine. Intake gas state parameters indicative of a state of the intake gases supplied to the engine are d... | 07/15/2008 |
