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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8109257 | Fluid selection valve unit, exhaust gas control valve having the same, and waste gate valve having the same A fluid selection valve unit comprising a valve seat having a side surface having a predetermined depth and a bottom surface continuous to the side surface and a valve member supported with a rotary shaft at one end. The valve member includes a bottom portion and a ... | 02/07/2012 |
| 7571717 | Turbocharger system A turbocharger system for an engine includes first and second turbochargers, having air intake impellers which rotate in opposite directions. This enables the first and second turbochargers to be mounted on opposite sides of an engine in a symmetrical fashion, resul... | 08/11/2009 |
| 7426830 | Supercharged internal combustion engine The invention relates to a supercharged internal combustion engine having at least two cylinder groups of at least one cylinder each, both cylinder groups being equipped with an exhaust pipe, and the two exhaust pipes being in communication with one another, and hav... | 09/23/2008 |
| 7426831 | Turbo charging system A regulated two-stage turbocharger system is described, including high-pressure and low-pressure turbocharger units. The low-pressure turbocharger unit includes a twin volute turbine portion. The turbocharger system includes a valve system having valve members that ... | 09/23/2008 |
| 7343907 | Crankcase lower part A crankcase lower part for a supercharged internal combustion engine, wherein the crankcase lower part extends about a space below the crankshaft. The crankshaft lower part comprises an intercooler, which is cooled by coolant, and/or a charge air intermediate cooler... | 03/18/2008 |
| 7334405 | Method of controlling an exhaust gas turbocharger In a method of controlling an exhaust gas turbocharger of an internal combustion engine charged by a compressor wherein as guide value for the control an operating point of the compressor is used, the operation of each cylinder bank of the internal combustion engine... | 02/26/2008 |
| 7310946 | Circuit arrangement for cooling charge air and method for operating a circuit arrangement of this type The invention relates to a circuit arrangement (K) comprising a low-temperature circuit (NK) for cooling charge air (13) that is fed to a motor (8) in a motor vehicle equipped with a turbocharger. According to the invention, the charge air (13) ... | 12/25/2007 |
| 7310947 | Internal combustion engine with waste gas turbo-chargers In an internal combustion engine with a first and a second exhaust gas turbocharger, which are installed in a common carrier housing, two exhaust gas turbochargers are arranged so that the two charger axes are at an angle to each other which is in the range of 55-10... | 12/25/2007 |
| 7305828 | Engine boost pressure control A controller (70) controls the boost pressure of an internal combustion engine (60) comprising two intake/exhaust units, each intake/exhaust unit comprising a turbocharger (10) which supercharges intake air in an intake passage (20) using... | 12/11/2007 |
| 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. The invention includes methods and apparatuses for managing combustio... | 10/16/2007 |
| 7240480 | Dual Combustion Mode Engine An internal combustion engine is disclosed in which at least one cylinder is adapted to run in homogeneous-charge compression-ignition (HCCI) combustion mode and at least one cylinder is adapted to run in spark-ignition (SI) combustion mode with the HCCI cylinder ha... | 07/10/2007 |
| 7204213 | Air and fuel supply system for combustion engine A variable compression ratio internal combustion engine and method of operating the same is provided. The engine comprises an engine block defining at least one cylinder; a head connected with the engine block; a piston slidable in each cylinder; a combustion chambe... | 04/17/2007 |
| 7198024 | Low emissions compression ignited engine technology A method and apparatus for operating a compression ignition engine having a cylinder wall, a piston, and a head defining a combustion chamber. The method and apparatus includes delivering fuel substantially uniformly into the combustion chamber, the fuel being dispe... | 04/03/2007 |
| 7107973 | Multiphase centrifugal compressor A multi-phase centrifugal supercharging system (10) configured for supplying compressed induction fluid to an engine (E) is disclosed. The air induction system (10) broadly includes a drive assembly (12) powered by the engine (E), a superchargin... | 09/19/2006 |
| 7107972 | Multi-phase centrifugal supercharging air induction system A multi-phase centrifugal supercharging system (10) configured for supplying compressed induction fluid to an engine (E) is disclosed. The air induction system (10) broadly includes a drive assembly (12) powered by the engine (E), a superchargin... | 09/19/2006 |
| 7076955 | Method for operating an internal combustion engine having at least two exhaust-gas turbochargers A method for operating an internal combustion engine having at least two exhaust-gas turbochargers, which allows the synchronous operation of the two exhaust-gas turbochargers to be reliably set (adjusted). For each of the at least two exhaust-gas turbochargers, an ... | 07/18/2006 |
| 7066157 | Supercharge control apparatus and supercharge control method for supercharged internal combustion engine A detecting device detects boost condition of each of a plurality of superchargers. The detecting device includes at least two of a pressure ratio detecting unit, which detects the ratio of the pressure downstream each supercharger to the pressure upstream each supe... | 06/27/2006 |
| 7047743 | Electric turbo compound configuration for an engine/electric generator system An engine/electric generator system includes an internal combustion engine, a primary electric generator driven by an output shaft of the engine and providing electrical power. A turbocharger has a first turbine driven by exhaust gasses from the engine and a compres... | 05/23/2006 |
| 7028678 | Internal combustion engine In an internal combustion engine having a plurality of cylinders, some of which can be deactivated during operation of the engine, the cylinders which can be deactivated during operation are configured specifically for high load engine operation and have a lower com... | 04/18/2006 |
| 7000393 | System and method for relieving engine back-pressure by selectively bypassing a stage of a two-stage turbocharger during non-use of EGR A valve (50) selectively shunts exhaust gas around a stage (20T) of a turbocharger turbine (20) under control of a control system that selectively renders an EGR system (38) active and inactive and that develops a value for a set-point of... | 02/21/2006 |
| 6938420 | Supercharger for internal combustion engine A first compressor (1a) which supercharges intake air is provided in the intake passage (6, 20, 21) of an internal combustion engine (12). The first compressor (1a) is driven by the exhaust gas energy of the engine (12 | 09/06/2005 |
| 6928819 | Method and arrangement for controlling the charge pressure of an exhaust-gas turbocharger The invention is directed to a method and an arrangement for controlling the charging pressure of an exhaust-gas turbocharger (1) wherein a charging pressure actual value (pvdkds) is tracked to a charging pressure desired value (plsoll). The charging pressure... | 08/16/2005 |
| 6920755 | Charged internal combustion engine A charged internal combustion engine (1) having at least one stage of charging by a turbocharger (3), in which at least one supplemental compressor (4) is connected parallel to or in series with the turbocharger, and in which the supplemental co... | 07/26/2005 |
| 6920756 | Charged internal combustion engine A charged internal combustion engine (1) having at least one stage of charging by a turbocharger (3), in which at least one supplemental compressor (4) is connected parallel to or in series with the turbocharger, in which the supplemental compre... | 07/26/2005 |
| 6917873 | Control of multiple supercharged compression ignition engines having EGR A vehicle system controls a compression ignition internal combustion engine equipped with a supercharger system including a plurality of superchargers. The compression ignition internal combustion engine has an exhaust gas recirculation (EGR) system. The vehicle sys... | 07/12/2005 |
| 6889503 | Charged internal combustion engine A charged internal combustion engine (1) having at least one stage of charging by a turbocharger (3), in which at least one supplemental compressor (4) is connected parallel to or in series with the turbocharger, and in which the supplemental co... | 05/10/2005 |
| 6834501 | Turbocharger compressor with non-axisymmetric deswirl vanes A compressor includes first-stage and second-stage impellers arranged back-to-back such that fluid is discharged from the first-stage impeller into a generally annular interstage duct that conducts the fluid into the second-stage impeller and the fluid discharged fr... | 12/28/2004 |
| 6814064 | High efficiency engine with variable compression ratio and charge (VCRC engine) An internal combustion engine using variable compression ratio and variable fuel supply to one of two combustion chambers is presented. Varying the compression ratio is accomplished by changing the volume of a single combustion chamber. This, in combination with lea... | 11/09/2004 |
| 6802184 | Turbocharger device for an internal combustion engine A turbocharger device for an internal combustion engine including two exhaust gas turbochargers, wherein a regulating device for adjustment of the supply of exhaust gas to one of the turbines or to both turbines is provided in the flow stream of the exhaust gas. A c... | 10/12/2004 |
| 6786044 | Air induction system having inlet valve An air induction system (10) for use with an internal combustion engine (E) including an intake is disclosed. The system (10) includes a supercharger (12) and a valve assembly. The valve assembly comprises a valve (14) and a valve control... | 09/07/2004 |
| 6722129 | Crank case ventilation system The present invention relates to a crank case ventilation system for an internal combustion engine that has a two-stage air charge boosting system. An air inlet system supplies the engine with air that may be pressurised by an upstream supercharger and a downstream ... | 04/20/2004 |
| 6715289 | Turbo-on-demand engine with cylinder deactivation An engine control system in a vehicle including a variable displacement internal combustion engine, an intake manifold coupled to the variable displacement internal combustion engine, a first turbocharger supplying air to the intake manifold, a first waste gate regu... | 04/06/2004 |
| 6688280 | Air and fuel supply system for combustion engine A method of operating an internal combustion engine, including at least one cylinder and a piston slidable in the cylinder, may include supplying pressurized air from an intake manifold to an air intake port of a combustion chamber in the cylinder, select... | 02/10/2004 |
| 6564783 | Air-supplying structure for multi-cylinder engine A air supplying structure for multi-cylinder engine comprising six pieces of high-pressure stage superchargers 51, six pieces of low-pressure stage superchargers 52, two pieces of intercoolers 63 arranged between the high-pressure stage and low-pressure s... | 05/20/2003 |
| 6484499 | Twin variable nozzle turbine exhaust gas recirculation system An internal combustion engine, particularly suitable for a vehicle, is provided with a plurality of combustion cylinders, at least a first exhaust manifold and a second exhaust manifold and at least one intake manifold. Each exhaust manifold is coupled wi... | 11/26/2002 |
| 6460337 | Combustion engine A turbo-fed internal combustion engine has a first and a second exhaust-gas valve per cylinder, these exhaust-gas valves each being connected to their respective exhaust manifold. One exhaust manifold conducts exhaust gases to an exhaust-gas turbine and t... | 10/08/2002 |
| 6442936 | Single stage or multi-stage compressor for a turbocharger A turbocharger for an internal combustion engine has a compressor operable as a single stage or multi-stage compressor. A first compressor stage includes a first compressor wheel carried by a shaft, an axially extending first inlet and a radially extendin... | 09/03/2002 |
| 6438956 | Method of operating an internal-combustion engine, and internal-combustion engine In an internal-combustion engine (1) of the Otto type, in which exhaust gases are used in order to drive a turbocompressor (14, 15) for supercharging the engine, the engine is designed in such a manner that it can, at high load, be run with a lean mixture... | 08/27/2002 |
| 6397598 | Turbocharger system for an internal combustion engine An internal combustion engine is provided with a plurality of combustion cylinders, at least one exhaust manifold and at least one intake manifold. Each exhaust manifold is coupled with a plurality of the combustion cylinders. Each intake manifold is coup... | 06/04/2002 |
| 6378309 | Single air inlet A single air inlet for a pair of turbochargers has a duct portion with a circular inlet, a converging bifurcated portion having a pair of circular outlets, which are in fluid communication with inlet portions of compressor portions of the turbochargers an... | 04/30/2002 |
