Quotables
"We are probably nearing the limit of all we can know about astronomy."
Simon Newcomb, astronomer ; 1888
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7421982 | Independent combustion chamber-type internal combustion engine The present invention is directed to an internal combustion engine for making suction, compression, explosion, expansion and exhaust strokes in an operating chamber of variable volume defined between a housing and a piston. The internal combustion engine includes: a... | 09/09/2008 |
| 7367307 | Split phase fuel conditioner A split phase fuel conditioner 10 includes a main body 20 defining an ignition chamber 22. A transfer passage 24 is in fluid communication between the ignition chamber 22 and chamber 14. A valve 28 selectively opens a... | 05/06/2008 |
| 7287744 | Fuel conditioning apparatus A fuel conditioning system (10) comprises a housing (12) defining a chamber (14) and provided with an inlet (16) upstream of the chamber (14) and an outlet (18) downstream of the chamber (14). A hemispherical seat ( | 10/30/2007 |
| 7278407 | Boost control for internal combustion engine using substantially carbon-free fuel A system and method for limiting HC, CO, CO2, and NOx emissions in an internal combustion engine is provided. According to one aspect of the disclosure, a substantially carbon-free fuel, such as hydrogen (H2), is used to fuel combust... | 10/09/2007 |
| 7194987 | Internal combustion engine driven with change-over of compression ratio, air-fuel ratio, and boost status With an increase in torque demand, the internal combustion engine of the invention successively changes over a combination of a compression ratio, an air-fuel ratio, and a boost status of an air-fuel mixture from (1) settings of a high compression ratio, a lean air-... | 03/27/2007 |
| 7121247 | Spherical rotary engine valve assembly A spherical rotary engine valve assembly for use in an internal combustion engine. ... | 10/17/2006 |
| 7107964 | Control of auto-ignition timing for homogeneous combustion jet ignition engines A method and system of controlling auto-ignition timing in an internal combustion engine cylinder in which the timing of auto-ignition in prechambers that are coupled to the cylinder is precisely controlled. The auto-ignition in the prechambers produces hot gas jets... | 09/19/2006 |
| 7100567 | Method to extend lean ignition limit within internal combustion engine A method of operating an internal combustion engine is provided. The engine includes a main combustion chamber in fluid communication with a prechamber. The method comprises the step of varying the volume within the prechamber during a portion of a compression strok... | 09/05/2006 |
| 7082920 | Precombustion chamber ignition device for an internal combustion engine, precombustion chamber igniter and ignition method The invention concerns an ignition device for internal combustion engine comprising: a main combustion chamber (1) fitted with a compression system; and an igniter (11) comprising a precombustion cham... | 08/01/2006 |
| 7069901 | Control apparatus for internal combustion engine and control method for internal combustion engine combustion method for internal combustion engine and direct injection engine A gasoline engine is provided which is capable of introducing a large amount of EGR gas for performing homogeneous combustion and thus offering a good fuel economy. An external EGR mechanism or an internal EGR mechanism is used to introduce an EGR gas into a combust... | 07/04/2006 |
| 7066156 | Fuel vaporization systems for vaporizing liquid fuel One aspect of the present invention is a system for vaporizing liquid fuel which utilizes photonic energy and minimal thermal energy. The system generally comprises a fuel delivery system for delivering liquid fuel and a vaporization system for vaporizing liquid fue... | 06/27/2006 |
| 7055491 | Piston-cylinder combination for a combustion engine A combustion engine with compression-initiated combustion comprises at least one cylinder in which a piston is movable axially between a lower dead center point and an upper dead center point, with a dead volume between the cylinder and the piston at the upper dead ... | 06/06/2006 |
| 7040270 | Internal combustion engine Internal combustion engine with at least one cylinder, in which the combustion of a homogeneous air/fuel mixture compressed in the cylinder by a piston is initiated by a time-controlled external ignition, the air/fuel ratio of the air/fuel mixture in the combustion ... | 05/09/2006 |
| 7025036 | Valve controlled divided chamber internal combustion engine An engine has a plurality of combustion chambers, each of which is divided into an ignition chamber and a first combustion chamber. The chambers are linked by a transfer tube defining a passageway facilitating communication between the ignition chamber and the first... | 04/11/2006 |
| 7021275 | Igniter for internal combustion engines operating over a wide range of air fuel ratios An igniter for ignition over a wide air/fuel ratio range. Igniter includes an igniter body including an internal cavity disposed substantially within the igniter body, an internal spark gap disposed substantially within the internal cavity, an external spark gap dis... | 04/04/2006 |
| 7000584 | Thermally insulated cylinder liner An engine is provided with a plurality of cylinders and cylinder liners that are shaped to define a plurality of spaces between the liners and the engine block. These spaces provided an insulative barrier that at least partially restricts the flow of heat from the l... | 02/21/2006 |
| 6994067 | Valve timing mechanism for a rotary valve internal combustion engine A rotary valve internal combustion engine comprising a crankshaft, a throttle (23), a throttle actuator, a cylinder head (7), a combustion chamber (8), and at least one rotary valve (1). The rotary valve (1) having at least two por... | 02/07/2006 |
| 6981484 | Internal combustion engine with divided combustion chamber An internal combustion engine 10 includes a first combustion chamber (20) in each of its cylinders (12). First fuel injector (24) injects a first volume of fuel into the chamber (20). A housing (28) defining an auxiliary com... | 01/03/2006 |
| 6953020 | Control of auto-ignition timing for combustion in piston engines by prechamber compression ignition A method and system of controlling auto-ignition timing in an internal combustion engine cylinder in which the timing of auto-ignition in prechambers that are coupled to the cylinder is precisely controlled. The auto-ignition in the prechambers is produced by a comp... | 10/11/2005 |
| 6910639 | Fuel injection device with magnet valve damped in both laminar and turbulent fashion A fuel injection device for internal combustion engines having a magnet valve that has a damping chamber and a relief chamber which communicate hydraulically through a damping throttle that damps in both laminar and turbulent fashion. As a result, the waviness of th... | 06/28/2005 |
| 6910459 | HCCI engine with combustion-tailoring chamber An internal combustion engine is adapted for operation with homogeneous combustion and compression ignition. The engine includes plural cylinders with the piston in each cylinder defining the main combustion chamber and connected to a crankshaft for reciprocating mo... | 06/28/2005 |
| 6904878 | Internal combustion engine with novel fuel/air delivery system Blower forces fuel/air mixture into bore of cylinder head against small diameter piston of compound piston assembly, forcing assembly down in engine cylinder, permitting fuel/air mixture to enter main cylinder of engine in which it is ignited. Exhaust forces assembl... | 06/14/2005 |
| 6880517 | Two-step combustion system A two-step combustion system configured to install an auxiliary combustion chamber at the upper lateral surface of the combustion chamber and to store some of the compressed fuel-air mixture in the auxiliary combustion chamber to allow the fuel-air mixture to be bur... | 04/19/2005 |
| 6694944 | Rapid compression prechamber for internal combustion engine A rapid compression device for use in initiating combustion within an internal combustion engine is disclosed. The rapid compression device employs a prechamber adapted to be in fluid communication with a main combustion chamber of the internal combustion... | 02/24/2004 |
| 6340013 | Four-stroke internal combustion engine with recuperator in cylinder head A recuperating four-stroke internal combustion engine obtains improves Carnot efficiency by use of a new and novel cylinder head which captures thermal energy normally thrown away in the exhaust and re-introduces it to the working cycle. This result, long... | 01/22/2002 |
| 6318335 | Operating method of an internal combustion engine and corresponding internal combustion engine The invention relates to an operating method of an internal combustion engine. According to the method, a fuel-air mixture is rapidly combusted in order to move a piston. The fuel contained in or introduced into an occluded fresh gas is evaporated in the ... | 11/20/2001 |
| 6308681 | Valve-arrangement for controlling gas in a piston-type internal-combustion engine A valve arrangement for controlling gas exchange in a piston-type internal-combustion engine consisting of an arrangement of valves through which it is possible to optimize the filling of the combustion chamber of the cylinder with the fuel mixture as wel... | 10/30/2001 |
| 6283725 | Aftercooler bypass means for a locomotive compressed air system Method and apparatus for heating gases cooled by an aftercooler that receives hot gases from a compressor. The method includes the steps of directing at least a portion of said hot gases to means for bypassing the aftercooler, and using the bypass means t... | 09/04/2001 |
| 6129069 | Ignition system for a gas engine An ignition device (22) is positioned in an ignition chamber (21) which in turn is positioned in a prechamber (11) in the cylinder head of an internal combustion engine. A valve controlling flow to and from the ignition chamber is opened to initiate ignit... | 10/10/2000 |
| 6119650 | Energy conservation cycle engine An energy conservation cycle engine which protects environmental pollution by reducing NOx gases, unburned materials and increases the specific output power per weight by reducing friction-loss and vibration, by reducing the wall thickness of the main com... | 09/19/2000 |
| 6073605 | Gas engine with pre-combustion chamber This gas engine with pre-combustion chambers. effectively uses ejection energy of flames and air-fuel mixtures ejected from the pre-combustion chambers into the main combustion chambers to shorten the combustion duration and thereby enhance performance. I... | 06/13/2000 |
| 6073604 | Combustion chamber structure of a gas engine In the combustion chamber structure of the gas engine the combustion chamber members are formed with the sub-communication holes allowing communication between the main combustion chambers and the pre-combustion chambers and also with throat holes in whic... | 06/13/2000 |
| 5970944 | Combustion chamber structure in engines To minimize an increase in friction during the compression stroke, a part of the force to compress the air in the main combustion chamber is stored as a spring force to prevent an excess rise of compressed air pressure in the main combustion chamber and t... | 10/26/1999 |
| 5950593 | Gas engine with pre-combustion chamber This gas engine with pre-combustion chambers effectively uses ejection energy of flames and air-fuel mixtures ejected from the pre-combustion chambers into the main combustion chambers to shorten the combustion duration and thereby enhance performance. In... | 09/14/1999 |
| 5826558 | Control unit for high-compression ratio engines using vaporizing fuels This invention to achieve efficient combustion of volatile fuels through the precise control of the opening/closing of a control valve installed in the path between the main and the subcombustion chambers installed to vaporize and ignite volatile fuels fo... | 10/27/1998 |
| 5746172 | Process for increasing the torque of an internal combustion engine and internal combustion engine In order to improve a process for increasing the torque of an internal combustion engine burning a fuel by means of an oxidizing agent and comprising at least one cylinder and an induction system, in which the mass flow of the gaseous oxidizing agent into... | 05/05/1998 |
| 5603298 | High compression ratio internal-combustion engine The present invention relates to a high compression ratio internal-combustion engine including a control valve which opens and closes a connection hole, between a pre-chamber and a main chamber, which pre-burns fuel and main chamber. The engine controls t... | 02/18/1997 |
| 5454356 | Engine with pre-chamber This combustion engine has a pre-chamber and main chamber connected by a connection passage opened and shut by a control valve, the control valve operates separately for two steps. The operation of this control valve uniformly mixes the air of the pre-cha... | 10/03/1995 |
| 5398653 | Internal combustion engine An internal combustion engine has first and second cylinders (12, 14), the first cylinder (12) having a larger swept volume than the second cylinder (14) and the second cylinder being formed in the crown of the first cylinder. First and second pistons (16... | 03/21/1995 |
| 5377484 | Device for detecting deterioration of a catalytic converter for an engine In an engine having two or more cylinder groups and a common exhaust passage with which exhaust passages individually connected to the respective cylinder groups are merged, the exhaust gases in the respective individual exhaust passage mix each other in ... | 01/03/1995 |
