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7587898 Internal combustion engine  
With reference to FIG. 1 , the present invention relates to an internal combustion engine comprising: a combustion chamber ( 10 ); first (A) and second (B) inlet valves controlling flow of air...
7584744 Internal-combustion and burnt gas scavenging supercharged engine with at least two intake means  
The present invention relates to an indirect-injection internal-combustion engine, notably a supercharged engine, in particular of spark-ignition type, that can run according to a burnt gas...
7568464 Barrel-style charge motion control valve for V-configuration engines  
An apparatus and method for controlling charge motion in the air intake manifold includes a barrel-style valve rotatably mounted in the lower air intake manifold between the linearly arranged set...
7565897 Internal combustion engine  
In an internal combustion engine includes an intake valve port that opens into a combustion chamber on one side of a plane containing the axis of a cylinder bore. An exhaust valve port opens into...
7565894 Fuel injection apparatus for and method of internal combustion engine, and fuel injection valve  
Fuel injection technology of an internal combustion engine is configured in such a manner that in a case where in inlet pipe interior of the engine is partitioned by a rectifying plate into upper...
7506630 Internal combustion engine  
The invention relates to an invention combustion engine comprising a cylinder head ( 1 ) with at least one inlet port ( 4 ) and at least one injection device ( 6 ) per cylinder ( 2 ), which extends...
7493891 Internal combustion engine  
An internal combustion engine is provided that includes a combustion chamber; a secondary air passage located above the combustion chamber; an exhaust passage that communicates with the combustion...
7490591 Method and apparatus for eliminating spark-knock in an engine  
An apparatus for minimizing spark-knock within a combustion chamber of a spark-ignition internal combustion engine, whereby a control vane mounted inside the intake runner is arranged to direct a...
7484495 Homogeneous charge compression ignition internal combustion engine  
A homogeneous charge compression ignition internal combustion engine capable of reliably reducing flame noise at a time of high-load operation is provided. The engine includes an injector which...
7472679 Valve control device and valve control method for internal combustion engine  
An intake throttle valve is located in an intake passage upstream of first and second intake ports, such that intake air flows into mainly the first intake port to generate a swirl flow when an...
7455044 Intake device of internal combustion engine  
An intake control valve of an intake device of an internal combustion engine comprises a given portion defined by an air intake passage that leads to a combustion chamber of the engine through an...
7448359 Multi-mode internal combustion engine  
A method of operating an engine having at least one cylinder, the method comprising of directing a first air stream to an intake valve of the cylinder; directing a second, separate air stream to a...
7442457 Fuel cell system with compressor and also a method for operating such a fuel cell system  
A fuel cell system comprising a plurality of fuel cells combined together to form a fuel cell stack, with the fuel cell stack having an anode side with an inlet for a fuel and an outlet for...
7409944 Intake structure for internal combustion engine  
An intake structure for internal combustion engine includes an intake passage which is communicated with a combustion chamber of the internal combustion engine and through which air to be supplied...
7373923 Variable event valvetrain operation during an engine start  
A method for improving engine starting for an engine having a variable event valvetrain is described. According to one aspect of the description, valve timing is adjusted during a start to reduce...
7334564 Throttle and inlet valves for 8 stroke and 4 stroke engines  
A ‘Blackburn Cycle’ or 8 stroke and 4 stroke cycle change piston engine has a separate fuel/air inlet duct and valve in a cylinder where the throttle means admits a small volume, namely less...
7325534 Supplemental internal air cooling of an internal combustion engine  
A method for providing supplemental internal air cooling to a multi-cylinder internal combustion engine. The method involves deactivating the fuel injector to one cylinder for a predetermined time...
7287513 Method for controlling the intake valves of an internal combustion engine  
The invention relates to a method for controlling the opening and closing of the intake valves of an internal combustion engine with a direct fuel injection system, comprising at least one first...
7281527 Internal combustion engine and working cycle  
The invention is concerned with a method of deriving mechanical work from a combustion gas in internal combustion engines and reciprocating internal combustion engines for carrying out the method....
7273032 Engine induction system  
An induction system for a multi valve engine that facilitates operation in a lean burn mode over a large range of speeds and loads by employing a smaller cross sectional branch passages in several...
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...
7258100 Internal combustion engine control  
A method for controlling the output of an internal combustion engine includes opening an intake valve on a cylinder; receiving air from an intake manifold into the cylinder during an intake stroke...
7255066 Valve selection for an engine operating in a multi-stroke cylinder mode  
A method to control valve patterns in a cylinder operating in a multi-stroke cylinder mode. Valves are controlled to improve drivability and emissions.
7249587 Air-intake device of engine for leisure vehicle and engine  
An air-intake device of an engine for a leisure vehicle, in which at least two air-intake passages are arranged within an engine body of the engine, is disclosed, including an air-intake pipe...
7198026 Divider plate for an inlet port, sand core for forming an inlet port, and cylinder head  
A divider plate for two or more inlet ports provided in a cylinder head of an internal-combustion engine comprises divider portions that divides inside of the two or more inlet ports along an...
7195000 Fuel injector designed to optimize pattern of fuel spray  
A fuel injector for an internal combustion engine which has a spray hole designed geometrically to produce a spray of fuel so that substantially 70% or more of an amount of the spray hits a...
7188587 Methods for operating a compression ignition engine  
A method of operating a compression ignition engine is disclosed. The method comprises, introducing an enriching component into a combustion chamber during an intake stroke, igniting the enriching...
7150267 Intake port structure for internal combustion engine  
An intake port structure includes a collector passageway disposed in an upstream section and the first and second branching passageways disposed in a downstream section that branch from the...
7146963 State determination device for internal combustion engine  
An engine ECU executes a program including the steps of: determining an airflow meter as abnormal when the number of times an injector is determined as abnormal (abnormality determination count C)...
7128053 Control apparatus for internal combustion engine  
The engine ECU executes the program including the step of starting a timer that counts the time elapsed from a start request, the step of detecting a temperature of the engine, and the step of...
7121262 Cylinder and valve mode control for an engine with valves that may be deactivated  
A method to select cylinder and valve operational modes in an internal combustion engine with valves that may be deactivated. A simplified method to select cylinder and valve modes is presented.
7121232 Method in an internal combustion engine and an internal combustion engine  
An internal combustion engine, Z-engine. The compression part and the working part are separated. New gas is transported to the upper side of the piston. Below there is a small chamber corner. When...
7111612 Cylinder and valve mode control for an engine with valves that may be deactivated  
A method to select cylinder and valve operational modes in an internal combustion engine with valves that may be deactivated. A simplified method to select cylinder and valve modes is presented.
7100559 Engine air intake manifold  
An engine air intake manifold has two main body sections that are divided along an airflow direction and mated tightly against each other at oppositely facing mating parts so as to form an air...
7089910 Watercraft propulsion system and control method of the system  
A propulsion system for a watercraft includes an engine. An air intake device delivers air to a combustion chamber. A throttle valve regulates an amount of the air. A control device sets the...
7082764 Burnt gas-scavenging indirect-injection internal-combustion supercharged engine and supercharged air supply method for such an engine  
The present invention relates to a supercharged internal-combustion, notably indirect-injection engine comprising at least one cylinder ( 10 ) with two types of supercharged air intake means ( 12,...
7079935 Valve control for an engine with electromechanically actuated valves  
A system and method to control engine valve timing of an internal combustion engine. Electromechanical valves are controlled to improve engine fuel economy. Further, the method can adjust valve...
7077106 Spark ignition internal combustion engine  
Each cylinder is provided with an ignition plug, two intake valves, direct fuel injector, and a port fuel injector. When homogeneous combustion is demanded, the direct fuel injector and port fuel...
7069907 Compression ignition internal combustion engine  
A compression ignition engine injects fuel through injection holes of an injector at a substantially constant injection rate to atomize the fuel so that the fuel can be easily vaporized and to make...
7066139 Intake port of lean burn engine and core thereof  
A linear port and a swirl port constitute an intake port of a lean burn engine by using an integrated core. An injector is placed at a desired location of the linear port and the swirl port,...
7051702 Intake apparatus for internal combustion engine  
An intake apparatus for an internal combustion engine, including a partition extending in a longitudinal direction of an intake port so as to divide an inside region of the intake port into a first...
7031821 Electromagnetic valve control in an internal combustion engine with an asymmetric exhaust system design  
A system and method to control engine valves of an internal combustion engine is shown. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions of an internal combustion...
7028650 Electromechanical valve operating conditions by control method  
A system and method to control engine valve timing of an internal combustion engine. Electromechanical valves are controlled in a manner to increase fuel economy. Further, the method can adjust...
7025041 Cylinder intake air quantity determination device  
A cylinder intake air quantity determination device is configured to calculate a manifold internal air quantity based on an inflow air quantity and an outflow air quantity of an intake manifold....
6981475 Process for controlling the valves of an internal combustion engine  
The present invention pertains to a process and a system for controlling the intake valves of an internal combustion engine comprising at least two valves per cylinder. During the closing of the...
6959687 SOHC type engine  
An SOHC-type engine in which first and second insertion/removal guide sections for guiding the insertion and removal of first and second spark plugs, respectively, are provided on a cylinder head...
6951211 Cold air super-charged internal combustion engine, working cycle and method  
Working cycle for internal combustion engines, with methods and apparatuses for managing combustion charge density, temperature, pressures and turbulence (among other characteristics). At least one...
6904891 Intake system of internal combustion engine  
An internal combustion engine includes an intake port leading to an engine cylinder. The intake port is divided into first and second passage section by a partition extending in the intake port in...
6895925 Internal combustion engine having three valves per cylinder  
A valve train is disclosed for an internal combustion engine having a block, a camshaft in the block, and at least two push rods actuated by the camshaft. The valve train comprises first and second...
6895912 Variable valve control apparatus for engine and method thereof  
In a low rotation region of an engine, valve timing of two intake valves is advanced and also one of two exhaust valves is driven by means of a cam with valve lift lower than that of the other...
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