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| Number | Title | Issue Date |
| 7954478 | Airless engine An internal-combustion engine receives no air from outside atmosphere. Instead, combustion gas expelled from the engine is cooled and recycled back into the engine. That gas contains no nitrogen and consists mostly of carbon dioxide and water vapor. Oxygen and fuel ... | 06/07/2011 |
| 7267114 | Wildland fire vehicle escape system A wildland fire truck engine emergency combustion oxygen supply apparatus for the prevention of stalling of the engine in an oxygen depleted environment. The apparatus has a storage tank mounted on the vehicle for the storage of oxygen, nitrous oxide, or air, a feed... | 09/11/2007 |
| 7249598 | Hydrogen augmented diesel crankcase ventilation A hydrogen augmented diesel crankcase ventilation system uses hydrogen to allow crankcase fumes, for example blow-by, to be burned by the engine. The system preferably includes a hydrogen generation system as a hydrogen source connected to an engine air intake by a ... | 07/31/2007 |
| 7121079 | System for exhaust gas treatment comprising a gas ionizing system with ionized air injection The invention proposes a system (16) for treating the exhaust gases (G) of a motor vehicle combustion engine (10), particularly a lean-burn diesel engine or engine, comprising a burnt gas (G) exhaust circuit (14), of the type in which the exhaus... | 10/17/2006 |
| 6736613 | Acceleration fuel pump having a resilient check valve member for a combustion engine carburetor An acceleration fuel pump for use with a combustion engine carburetor is an integral part of the carburetor body and provides an additional flow of fuel to the fuel-and-air mixing passage of the carburetor during acceleration of the engine. The acceleration fuel pum... | 05/18/2004 |
| 6397807 | Internal combustion engine having combustion heater An internal combustion engine having a combustion heater is capable of enhancing an engine starting characteristic by improving warm-up of the engine and ensuring a sufficient oxygen content in intake air of the engine. An ECU executes, at the engine star... | 06/04/2002 |
| 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 |
| 5761903 | Loop combustion system An oxygen dependent loop combustion system to restrict release of polluted air into the atmosphere.... | 06/09/1998 |
| 4984426 | Closed circuit system for recycling the exhaust gases of a combustion engine A closed circuit system using a diesel engine, or a gas turbine, operating by recycling its exhaust gases, and having a set of fuel tanks, and a set of oxygen tanks for liquid or gaseous storage. The water produced by the combustion is stored in the same ... | 01/15/1991 |
| 4891939 | System for the cryogenic processing and storage of combustion products of heat engines A system for the cryogenic processing and storing the combustion product of a heat engine, in which the cooled and compressed anhydrous gases are fed through a liquefying/superheating heat exchanger to a cryogenic condensation/collection vessel for the ca... | 01/09/1990 |
| 4718352 | Rescue vehicle with emergency engine actuation A rescue vehicle adapted for driving in tunnels, mines or at oxygen-poor high altitudes comprises a Diesel engine, a first conduit connected to the engine for supplying ambient air to the engine, bottles of compressed air carried on the vehicle, a second ... | 01/12/1988 |
| 4681071 | Method and apparatus for starting a diesel engine at a subfreezing temperature Method and apparatus for starting a glow-plug assisted diesel engine at a subfreezing temperature involves directing a flow of concentrated oxygen at a predetermined rate and pressure to the intake manifold of the diesel engine. The concentrated oxygen fl... | 07/21/1987 |
| 4351302 | Method and apparatus for reducing automotive pollution Apparatus for reduction of pollutant emissions by internal combustion engines includes a tapered, coaxial multiconical structure used as a gas separator. The gas separator is used to provide oxygen enriched air to an engine, thus providing a reduction in ... | 09/28/1982 |
| 3961609 | Pure oxygen supply to an internal combustion engine A method for decreasing hydrocarbons and oxides of nitrogen emanating from the exhaust system of an internal combustion engine involves supplying substantially pure oxygen to the air intake means of the engine. Such pure oxygen may be passed from a tank i... | 06/08/1976 |
