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| Number | Title | Issue Date |
| 7389754 | System for a two-stroke crankcase scavenged combustion engine The present invention relates to a system (1) for supplying an air-fuel mixture to a two-stroke internal combustion engine cylinder (2), comprising a carburettor (3) having a throttle valve (4) and usually a choke valve. The system furthe... | 06/24/2008 |
| 7377272 | Method and apparatus for membrane separation of air into nitrogen and oxygen elements for use in internal combustion engines A method and apparatus for reducing the emissions and improving the performance of an internal combustion engine (40). An input air stream is separated into an oxygen-enriched air stream and a nitrogen-enriched air stream. The nitrogen-enriched air stream is ... | 05/27/2008 |
| 7337770 | Oxygen enrichment for internal combustion engines In accordance with embodiments of the present invention, a system is provided comprising an oxygen-enrichment reverse osmosis unit coupled to an intake of an internal combustion engine. Ambient air is supplied to the reverse osmosis unit via an ambient-air inlet and... | 03/04/2008 |
| 7314043 | Turbo-lag compensation system for an engine A boost system for an engine, comprising an engine having at least a cylinder; a fuel injector coupled to said cylinder; a compression device coupled to said engine; a compressed air storage device coupled to said compression device and configured to deliver compres... | 01/01/2008 |
| 7210454 | Internal combustion engine capable of selectively resting certain cylinders during low-load operation, and method of using same An internal combustion engine having cylinders capable of selectively resting during engine operation is capable of eliminating step increases in engine output when the number of operative cylinders is changed. The internal combustion engine includes a plurality of ... | 05/01/2007 |
| 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 component during the compression stroke, introducing a main injection... | 03/13/2007 |
| 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 |
| 7168464 | Dual-service system and method for compressing and dispensing natural gas and hydrogen A dual service system and method for selectively compressing and dispensing methane, hydrogen, and variable mixtures of methane and hydrogen for use as a gaseous fuel. The use of an in-line gas density meter, hydraulic intensifier, pressurized gas cooler, optional i... | 01/30/2007 |
| 7143726 | Method and device for controlling the opening of an intake valve of an internal combustion engine A method for controlling the opening of at least one intake valve of a combustion chamber in a periodically working piston engine, at least one intake valve of the combustion chamber being opened during a first partial period of a working period of the piston engine... | 12/05/2006 |
| 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 the piston comes nearer the upper hollow part, the combustion gases ... | 10/17/2006 |
| 7107758 | Failure diagnosis apparatus for secondary air supplier A failure diagnosis apparatus for secondary air supplier according to the present invention determines a failure of a secondary air supplier based on pressure and pressure pulsation in a secondary air supply path. A failure diagnosis is made by determining the prese... | 09/19/2006 |
| 7100543 | Method and apparatus for membrane separation of air into nitrogen and oxygen elements for use in internal combustion engines A method and apparatus for reducing the emissions and improving the performance of an internal combustion engine (40). An input air stream is separated into an oxygen-enriched air stream and a nitrogen-enriched air stream. The nitrogen-enriched air stream is ... | 09/05/2006 |
| 7069140 | Engine operation without cam sensor Disclosed herein are methods of cranking and/or operating an engine that eliminates the need for use of a cam sensor. The methods implemented with internal combustion engine comprising a plurality of cylinders whose firing sequence occurs over two revolutions of a c... | 06/27/2006 |
| 7007653 | Robust torch jet spark plug electrode A composition for forming an electrode for use in a torch jet spark plug is provided. The composition comprises a ceramic material, ceramic particles, and an electrically conductive material. The ceramic particles are dispersed within the ceramic material. At least ... | 03/07/2006 |
| 6994057 | Compression ignition engine by air injection from air-only cylinder to adjacent air-fuel cylinder The internal combustion engine relies on air injection for ignition instead of Otto cycle spark or Diesel cycle fuel injection. Cylinder pairs are connected by a cylinder-connecting valve, which opens near top-dead-center on the compression stroke injecting high-pre... | 02/07/2006 |
| 6933687 | Dual motor configuration with primary brushless motor and secondary integrated speed control motor A dual motor configuration 10 is provided for driving two fans for moving air to cool an engine. The dual motor configuration includes a primary brushless motor 18 constructed and arranged to be electronically controlled to drive a first fan 16 ... | 08/23/2005 |
| 6722352 | Pressure-swing adsorption system for internal combustion engines An internal combustion engine having an integrally connected pressure swing adsorption (PSA) system to provide oxygen-enriched air or oxygen-deficient air, in situ, to the mixing chamber of a spark-ignition or compression-ignition engine. ... | 04/20/2004 |
| 6571770 | Method for operating a diesel engine So that sufficient combustion air is available in all the cylinders of a diesel internal combustion engine both under part load and in transient operating states, oxygen-containing gas or additional gas or compressed air from a gas distributor is addition... | 06/03/2003 |
| 6561139 | Method and apparatus for reducing emissions of internal combustion engines Secondary air is strategically introduced into a combustion chamber of an internal combustion engine event after the main combustion event to reduce HC and CO emissions. While the technique is applicable to virtually any otto cycle engine, it is particula... | 05/13/2003 |
| 6484673 | Internal combustion engine employing compressed gas injection and transportation vehicle having same assembled therein Within each of: (1) an internal combustion engine system; (2) a transportation vehicle which incorporates the internal combustion engine system; and (3) a method for operating the internal combustion engine system, there is employed: (1) an internal combu... | 11/26/2002 |
| 6173567 | Method to reduce diesel engine exhaust emissions A combustion air management and emission control system injects supplemental air directly into combustion chambers of a diesel engine in order to reduce total particulates in exhaust gases being emitted from the engine. A portion of intake air flowing tow... | 01/16/2001 |
| 6138616 | Device and method in combustion engines Apparatus is disclosed for supplying air to an internal combustion engine including an inlet for supplying air to at least one cylinder in the engine, a tank for storing additional air under pressure, a feeder for supplying additional air from the tank, a... | 10/31/2000 |
| 6055808 | Method and apparatus for reducing particulates and NOX emissions from diesel engines utilizing oxygen enriched combustion air An emission control system for reducing total particulates and NOX emissions from the exhaust of a diesel engine includes an air supply system that supplies oxygen enriched air to an air intake of the engine. The air supply system may include a... | 05/02/2000 |
| 5983865 | Air-fuel mixture valve and method of determining magnetic force of electromagnetic coil for opening the air-fuel mixture valve In order to supply an air-fuel mixture composed of the fuel and compressed air to a combustion chamber of an engine, an air-fuel mixture valve is opened by a valve body which is moved via the core shifted by magnetic force of the electromagnetic coil. The... | 11/16/1999 |
| 5960777 | Combustion engine air supply system A novel method of operating an internal combustion engine employs a selectively gas permeable membrane to provide either oxygen or nitrogen enriched air feed to beneficially affect engine performance. By feeding enriched air from a membrane unit such perf... | 10/05/1999 |
| 5937960 | Engine air rail The air rail comprises a housing defining an air passageway conduit therein. The conduit has a plurality of passageways therethrough with access to the passageways provided by a plurality of ports disposed in the housing, the main passageway being fed pre... | 08/17/1999 |
| 5718194 | In-cylinder water injection engine An environmental accommodating, reduced NOx, spark or plasma ignited, reciprocating, multi-fuel engine utilizing direct, in-cylinder water injection and an optional oxygen enriched air supply is able to operate as an ultra-lean burn, high compression rati... | 02/17/1998 |
| 5400746 | Internal combustion A system for simultaneously increasing combustion efficiency and reducing pollutant emissions. Oxygen enriched air (i.e., air from which a portion of the nitrogen has been removed so that the oxygen concentration is higher than in normal air) and water dr... | 03/28/1995 |
| 5381760 | Air injection system for internal combustion engines during combustion cycle of operation High pressure air on the order of 3,000 PSI is injected into the combustion chamber of an internal combustion engine during only the combustion cycle of engine operation to increase its horsepower and torque. The injection of air is triggered by the combu... | 01/17/1995 |
| 5325824 | Split cycle internal combustion engine A split cycle internal combustion engine having located wholly within the combustion chamber (13) of the firing cylinder (10) and spaced from the walls thereof a hollow dome (14) with the closed head of the dome (14) adjacent to the head (11) of the firin... | 07/05/1994 |
| 5147417 | Air-intake system for mobile engines An air intake system for a mobile combustion engine is disclosed. The air intake system comprises a membrane formed from an amorphous polymer of perfluoro-2,2-dimethyl-1,3-dioxole, the membrane exhibiting an oxygen-nitrogen selectivity of at least 1.4:1. ... | 09/15/1992 |
| 5051113 | Air-intake system for mobile engines An air intake system for a mobile combustion engine is disclosed. The air intake system comprises a membrane formed from an amorphous polymer of perfluoro-2,2-dimethyl-1,3-dioxole, the membrane exhibitign an oxygen/nitrogen selectivity of at least 1.4:1. ... | 09/24/1991 |
| 5031592 | Engine cylinder head with augmented air or air/fuel mixture flow and method There is disclosed an internal combustion (V-8) engine having an improved form of cylinder head and intake manifold for augmented combustion air flow and improved fuel mixing wherein the intake chamber immediately upstream of the intake valve is provided ... | 07/16/1991 |
| 4949681 | Method for postcharging an IC engine of the piston type and an apparatus for performing the method In order to postcharge an IC engine of the piston type during the piston motion in the vicinity of the lower dead center position in addition to the charge drawn in from an individual duct (17) via an induction valve (42) charge compressed by a charger is... | 08/21/1990 |
| 4913100 | Double piston engine A double piston engine has a doubly acting piston reciprocably provided in a cylinder arrangement to form two working chambers which periodically increase and decrease their volumes. The invention provides inlet means with supply means for a cleaning flow... | 04/03/1990 |
| 4907544 | Turbocharged two-stroke internal combustion engine with four-stroke capability A two-stroke cycle internal combustion engine without crankcase scavenging is disclosed which is able to operate in a four-stroke mode at cranking and idle speeds. The engine utilizes a turbocharger driven by exhaust gases to recharge the cylinder with fr... | 03/13/1990 |
| 4892065 | Method concerning the delivery of fuel into the combustion chamber of a diesel engine and a device for realizing the method The delivery of fuel into the combustion chamber of a diesel engine is aided by blowing in an amount of compressed air which is small compared to the stroke volume of the diesel engine after the stream of fuel has been injected into the combustion chamber... | 01/09/1990 |
| 4890582 | Method for postcharging an IC engine of the piston type and an apparatus for performing the method In order to postcharge an IC engine of the piston type during the piston motion in the vicinity of the lower dead center position in addition to the charge drawn in from an induction duct (17) via an induction valve (42) charge compressed by a charger is ... | 01/02/1990 |
| 4860699 | Two-cycle engine A two-cycle internal combustion engine is described having a combination of a combustion chamber portion at one end of the cylinder for receiving predetermined amounts of air and fuel; inlet ports for injecting fuel and compressed air into the upper end o... | 08/29/1989 |
| 4848279 | Air-injection device for two-stroke engines A round pipe being rotatably mounted in a round hole seat adjacent to the exhausting port on the cylinder block of a two-stroke engine; the round hole seat has two passages being in communication with the exhausting port and the crankcase. The round pipe ... | 07/18/1989 |
