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| Number | Title | Issue Date |
| 7367193 | Auxiliary power unit control method and system An adjustment method and system for an auxiliary power unit (APU) allows the APU speed to vary based on the inlet air temperature to the APU compressor. The APU is controlled by a control law that allows the APU speed to float within a selected range based on speed ... | 05/06/2008 |
| 7131265 | Motor vehicle with a cryotank A motor vehicle, which has a cryotank for supplying an internal combustion engine, includes an exhaust gas system including an exhaust gas catalyzer, a device for the combustion of boil-off gas from the cryotank, a gas duct, and a nozzle. The nozzle is configured to... | 11/07/2006 |
| 7104042 | Supercharged four-stroke internal-combustion engine with variable-volume exhaust gas exhaust device and method of operation of such an engine A four-stroke supercharged internal-combustion engine includes at least two cylinders with a combustion chamber (14), an air intake (16) including a pipe (20) associated with a shutoff (21), an exhaust (18) including a pipe (22 | 09/12/2006 |
| 7080505 | Vehicular atmosphere cleansing method A vehicular atmosphere cleansing system utilizes a regenerative wheel having flow channels extending through the wheel coated with an adsorbant. An atmosphere stream passes through a first position dependent portion of the wheel where VOC's including HC's are adsorb... | 07/25/2006 |
| 7007459 | Exhaust gas control device for internal combustion engines Disclosed herein is an exhaust gas control device for internal combustion engines. The exhaust gas control device has a main exhaust pipe (3) communicating with an exhaust manifold (2) used for guiding exhaust gas discharged from a combustion chamber (... | 03/07/2006 |
| 6966309 | In-cylinder reburn method for emissions reduction A method applicable to lean-burn combustion engines uses excess air from previous engine cycles in a reburning process to provide exhaust gases characteristic of stoichiometric combustion. Stoichiometric combustion products are particularly useful for use by convent... | 11/22/2005 |
| 6901743 | Exhaust gas purifying method, exhaust gas purifying apparatus, and exhaust gas collecting apparatus of internal combustion engine An exhaust gas collecting apparatus, of an internal combustion engine including a collection vessel that can hold exhaust gas, an exhaust gas taking-out passage through which exhaust gas is introduced from an exhaust passage to the collection vessel, an exhaust gas ... | 06/07/2005 |
| 6843240 | Method for monitoring the functioning of a NOx sensor arranged in an exhaust gas channel of an internal combustion engine The invention relates to a method for monitoring the functioning of an NOx sensor, which is arranged in an exhaust gas channel of an internal combustion engine and is located downstream from an NOx storage catalytic converter. The aim of the invention is to detect t... | 01/18/2005 |
| 6357227 | System and method for reducing pollutants in the exhaust gas of an internal combustion engine An exhaust system for an internal combustion with a catalytic converter connected to the exhaust pipe for cleaning the engine exhaust gas in the presence of a reducing agent also includes a condensation water collector into which the exhaust gases are div... | 03/19/2002 |
| 6253545 | Internal combustion engine having lean NOx catalyst An engine having in an exhaust system a lean NOx catalyst for purifying nitrogen oxide in an oxygen excessive exhaust gas by using a reducing agent, includes an intake air quantity decreasing device for decreasing a quantity of intake air flowing through ... | 07/03/2001 |
| 6250073 | Exhaust system of an internal-combustion engine having a storage volume An exhaust system of an internal-combustion engine (1) having an exhaust gas purification arrangement (3, 5) as well as a storage container (8) which can be evacuated and into which at least a portion of the internal-combustion engine exhaust gas flow can... | 06/26/2001 |
| 6167698 | Exhaust gas purification system for a lean burn engine An exhaust gas purification system for an engine equipped with a turbocharger and an exhaust pipe having a NOx conversion catalyst therein. The system comprises a reservoir for storing pressurized air received from the turbocharger, a reductant... | 01/02/2001 |
| 6158213 | Vehicle exhaust changeover apparatus The apparatus is an automatic changeover system for a vehicle exhaust ventilating pipe. The exhaust pipe on a vehicle is fed into a valve which changes its output to either the conventional vehicle mounted exhaust outlet pipe or a bypass pipe low on the c... | 12/12/2000 |
| 6122908 | Device and method for purification of exhaust gas Apparatus for the purification of exhaust gases from internal combustion engines is disclosed including a conduit for connecting the exhaust pipe from the engine with a canister containing an adsorbent for at least one of the components of the exhaust gas... | 09/26/2000 |
| 6014858 | Apparatus and method for reducing harmful products of combustion A method and apparatus for reducing the harmful products of combustion comprises an enclosed vessel adapted to contain a quantity of volatile liquid fuel and a means for extracting gaseous vapors from the fuel and for mixing the vapors with the combustion... | 01/18/2000 |
| 5761903 | Loop combustion system An oxygen dependent loop combustion system to restrict release of polluted air into the atmosphere.... | 06/09/1998 |
| 5706776 | Fuel tank backfilling system for vehicles A backfilling system for a liquid fuel tank of a vehicle using engine exhaust gas to prevent the accumulation of explosive vapors in the fuel tank. Exhaust gas is cooled, filtered and regulated in pressure before entering the fuel tank.... | 01/13/1998 |
| 5456064 | Method and apparatus for producing an inert gas A method and apparatus for producing an inert gas is described. Firstly, capture the exhaust from a gas fired internal combustion engine located on the site of an intended application. Secondly, pass the exhaust stream through at least one catalytic conve... | 10/10/1995 |
| 5412940 | High pressure exhaust cleaning system A method for dehydrating and cleaning high pressure gases withdrawn from within the combustion chamber of an internal combustion engine including maintaining the gases at a high pressure and cooling the gases to cause condensation of water, entraining par... | 05/09/1995 |
| 5412944 | Severe service extractor valve A method for cooling the parts of an extractor valve assembly to workable levels by cooling a portion of the produced gases and mixing it with the newly produced gases to lower the average temperature of the gases produced which is seen by the valving mea... | 05/09/1995 |
| 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 |
| 4811558 | System and method for providing compressed gas The invention comprises a system and method for providing compressed gas by extracting compressed gas directly from the combustion chamber of an internal combustion engine. The gas may be further compressed using an improved compressor, which in turn may ... | 03/14/1989 |
| 4731992 | Fuel supply device for engines, more particularly of model aircraft The invention relates to a fuel supply device for model aircraft. To produce an excess pressure in the fuel tank in order to force the fuel into the engine, the fuel tank is connected to an excess pressure chamber (4) of an exhaust constructed in the form... | 03/22/1988 |
| 4208872 | Brake booster for wheeled vehicles A pneumatically operated brake booster comprises a hydraulic cylinder disposed within a hydraulic braking circuit connecting a master cylinder to wheel brake cylinders to increase the braking pressure trapped within the wheel brake cylinders and a servomo... | 06/24/1980 |
| 4199951 | Pneumatic brake booster In a pneumatic brake booster, positive and variable pressure chambers on opposite sides of a spring loaded diaphragm piston both communicate with an air pressure source under inoperative condition of the booster; only the positive pressure chamber communi... | 04/29/1980 |