Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8186159 | Intake air cooler for dual-state turbocharging turbocompressed heat engine and corresponding air circuit The intake air cooler of the invention comprises a first cooling stage (24) and a second cooling stage (26) grouped in a single heat exchanger housing (30) and sharing a common heat exchanger bundle (28) accommodated in the housing and tr... | 05/29/2012 |
| 8181462 | Turbocharger with two-stage compressor, including a twin-wheel parallel-flow first stage A single-shaft exhaust gas-driven turbocharger includes two parallel-flow first-stage centrifugal compressors in series with a single second-stage centrifugal compressor, and a one-stage turbine arranged to drive both the first- and second-stage centrifugal compress... | 05/22/2012 |
| 8146359 | Dual inlet turbocharger system for internal combustion engine A dual-inlet turbocharger system for internal combustion engine includes a single-shaft turbocharger with a dual-inlet compressor section. An air router provides a bifurcated air supply for the dual-inlet compressor section, and also provides a bifurcated source of ... | 04/03/2012 |
| 8132408 | Annular intercooler having curved fins An air-to-fluid intercooler is disclosed. The air-to-fluid intercooler may include a core assembly including an outer circumference and an inner circumference, at least one annular tube body configured to direct flow of a cooling fluid within the core assembly, and ... | 03/13/2012 |
| 8099957 | Dual-inlet supercharger for EGR flow control A supercharger compressor includes a plurality of rotors rotatably mounted in a housing, a first inlet for air, a second inlet for recirculated exhaust gas, and a flow separator. The flow separator is arranged interior the housing and configured to form a slideable ... | 01/24/2012 |
| 8099956 | Arrangement of supercharging units for supercharging an internal combustion engine The invention is based on an arrangement of supercharging units (1, 5, 6, 7), which arrangement is to be attached in the construction space of a motor vehicle, for supercharging an internal combustion engine with a fluid (23) comprising charge air and/... | 01/24/2012 |
| 8065878 | Two phase exhaust for internal combustion engine An internal combustion engine having a reciprocating multi cylinder internal combustion engine with multiple valves. At least a pair of exhaust valves are provided and each supply a separate power extraction device. The first exhaust valves connect to a power turbin... | 11/29/2011 |
| 8028525 | Multistage exhaust turbocharger A multistage exhaust turbocharger is easily mountable in a narrow engine compartment of a vehicle by simplifying its construction and reducing its bulk. The multistage exhaust turbocharger has a high-pressure stage turbocharger and a low-pressure stage turbocharger.... | 10/04/2011 |
| 8011186 | Multi-stage turbocharger system A turbocharger system comprises a first relatively small high-pressure (HP) turbocharger (1) and a second relatively large low pressure (LP) turbocharger (2). The turbine (6) of the LP turbocharger (2) is connected in series downstream of... | 09/06/2011 |
| 8001783 | Apparatus, system, and method for turbocharger bypass and exhaust braking with a single valve An apparatus, system, and method are disclosed for a single-actuated multi-function valve. The apparatus includes a primary fluid conduit, a secondary fluid conduit, and a valve. The primary fluid conduit flows from an exhaust manifold to an outlet through a high pr... | 08/23/2011 |
| 8001782 | Approach for identifying and responding to an unresponsive wastegate in a twin turbocharged engine An engine system for a vehicle is provided, comprising an internal combustion engine including an exhaust system; a first turbine including a first wastegate and arranged along a first branch of the exhaust system, a second turbine including a second wastegate and a... | 08/23/2011 |
| 7975480 | Apparatus, system, and method for preventing overspeed of a turbocharger An apparatus, system, and method are disclosed for preventing overspeed of a turbocharger. The apparatus includes a two-stage turbocharger system with a high pressure and a low pressure turbocharger. A bypass valve that divides an exhaust flow into a primary exhaust... | 07/12/2011 |
| 7966816 | Turbocharged internal combustion engine An internal combustion engine includes a number of power cylinders furnishing exhaust gases to at least two turbochargers having a common air inlet housing which is divided into a separate compressor housing for each of the turbochargers. ... | 06/28/2011 |
| 7958730 | Control of dual stage turbocharging The invention concerns turbochargers, or more particularly to multivariable dual stage series turbochargers having two degrees of freedom. A multistage series turbocharger apparatus has a low pressure turbocharger comprising a low pressure compressor and a low press... | 06/14/2011 |
| 7950228 | Turbo charge system of an engine A turbo charge system of an engine minimizes energy loss of exhaust gas as a consequence of a crossover pipe that connects exhaust manifolds respectively mounted to cylinder heads at both sides of the engine with each other and that is mounted in each cylinder head,... | 05/31/2011 |
| 7950229 | Exhaust system for an internal combustion engine An exhaust system has first and second exhaust gas turbochargers for a V-8 internal combustion engine having an ignition sequence of a 90° crank angle from one cylinder to the next in each of two cylinder banks. The exhaust system includes a first-through-fourth ex... | 05/31/2011 |
| 7937942 | Turbochanger system for internal combustion engine comprising two compressor stages of the radial type provided with compressor wheels having backswept blades A turbocharger system for an internal combustion engine having at least one exhaust line for evacuating exhaust gases from the combustion chamber of the engine and at least on inlet line for supplying air to the combustion chamber. A high-pressure turbine interacts ... | 05/10/2011 |
| 7908860 | Split-series sequential turbocharged engine For an internal combustion engine having two cylinder banks forming a V-shaped cylinder block, a turbocharger system including a high pressure turbocharger disposed in a valley between the cylinder banks, a first low-pressure turbocharger disposed adjacent an outer ... | 03/22/2011 |
| 7861525 | Dual volute turbocharger A two-volute low pressure turbocharger is provided with a VGT mechanism in one turbine volute only. ... | 01/04/2011 |
| 7810328 | Parallel-sequential turbocharging for improved exhaust temperature control A method is described for controlling the exhaust temperature of an emission controlling device in the exhaust using both a higher heat loss path and a lower heat loss path along with parallel/sequential turbocharging. The exhaust path is adjusted based on a rate of... | 10/12/2010 |
| 7810329 | Dual-charged internal combustion engine and method for operating the same The invention relates to an internal combustion engine, especially of a motor vehicle, which comprises an air path for intake air in which a mechanically driven charge unit (20), especially a compressor, which can be connected and disconnected by means of a c... | 10/12/2010 |
| 7788923 | Constant EGR rate engine and method An internal combustion engine (100) includes a first exhaust manifold (120), and a second exhaust manifold (118) fluidly connected to the first exhaust manifold (120) through an exhaust valve (122). An exhaust gas recirculation (EG... | 09/07/2010 |
| 7748218 | System and method for achieving engine back-pressure set-point by selectively bypassing a stage of a two-stage turbocharger A control system for operating vanes of a turbocharger turbine (16T) and for operating a turbine-shunting bypass valve (22) according to a strategy wherein a processor executes an algorithm for selectively unenabling the control system to operate the b... | 07/06/2010 |
| 7703284 | Supercharging system for two-stage supercharging of V-type internal combustion engines A supercharging system, in particular an at least two-stage supercharging system, including a first stage and a second stage for an internal combustion engine having two cylinder banks. The at least two-stage supercharging system includes at least two charge air coo... | 04/27/2010 |
| 7644586 | Control of supercharged engine There is provided a method of controlling an engine system. The engine system comprises an internal combustion engine, a supercharging system having at least one supercharger to boost intake air to the internal combustion engine, a turbine, and a motor. The turbine ... | 01/12/2010 |
| 7644585 | Multi-stage turbocharging system with efficient bypass A multi-stage turbocharging system recovers exhaust energy that is conventionally lost in bypassing exhaust flow from one stage to another in a multi-stage turbocharging system. The exhaust energy is preserved through converting a portion of the exhaust energy of th... | 01/12/2010 |
| 7628016 | Method of effecting multistage super-charging in internal combustion engines A method of effecting multi-stage supercharging in internal combustion machines comprising a supercharging system, wherein fresh air is first routed through a low-pressure compressor. At least a portion of the compressed air stream is compressed further in a high-pr... | 12/08/2009 |
| 7610758 | Supercharged internal combustion engine In a supercharged internal combustion engine having a plurality of cylinders which are arranged in at least one cylinder bank, preferably a V-type engine with an exhaust gas turbocharger including a compressor, which is arranged in an intake line of the internal com... | 11/03/2009 |
| 7607302 | Automotive turbocharger systems A turbocharger system comprising first and second turbochargers, configured in series, where the turbochargers hand over control from one turbocharger to the other, which incorporates switching adjustment terms at the point of transition to ensure a smooth transitio... | 10/27/2009 |
| 7600380 | Valve regulation for turbocharger The present invention provides a two-stage turbocharger unit having a valve that will help to create a smooth transition of exhaust gas energy from the high-pressure turbine (HP) turbine to the low-pressure (LP) turbine. The LP and HP turbines are positioned such th... | 10/13/2009 |
| 7587898 | Internal combustion engine With reference to FIG. 1, the present invention relates to an internal combustion engine comprising: a combustion chamber (10); first (A) and second (B) inlet valves controlling flow of air into the combustion chamber, first (C) and second (D) exhaust ... | 09/15/2009 |
| 7578129 | Multiple-turbocharger system, and exhaust gas flow control valve therefor A multiple-turbocharger system for an internal combustion engine includes a first turbocharger comprising a first compressor driven by a first turbine, the first turbine operable to be driven by exhaust gas from the engine; a second turbocharger comprising a second ... | 08/25/2009 |
| 7574862 | Turbo charger unit comprising double entry turbine A turbocharger unit for a multicylinder internal combustion engine has at least two exhaust lines for the evacuation of exhaust gases from the combustion chamber of the engine and at least one inlet line for the supply of air to the combustion chamber. The turbochar... | 08/18/2009 |
| 7571608 | Turbocharged engine system and method of operation A system is provided. The system includes an internal combustion engine having an intake manifold and an exhaust manifold. The system also includes a high pressure turbocharger having a variable geometry high pressure turbine drivingly coupled to a high pressure com... | 08/11/2009 |
| 7562530 | Method for controlling an internal combustion engine having a variable event valvetrain A method for improving engine torque control during cylinder reactivation and cylinder deactivation for an engine having at least a turbo charger and a variable event valvetrain is presented. The method can improve vehicle drivability during cylinder mode transition... | 07/21/2009 |
| 7559200 | Multistage turbocompressor A multistage turbocompressor, designed as a geared compressor with an integrated gear, contains a central greater wheel (9) that meshes with a plurality of pinions (14, 15), wherein each pinion (14, 15) is mounted, in a manner adapted to rotate ... | 07/14/2009 |
| 7540150 | Internal combustion engine having two exhaust gas turbocharger In an internal combustion engine provided with two exhaust gas turbochargers which each comprise a turbine in an exhaust line and one compressor in an intake section of the engine, two exhaust lines are provided which are each assigned to at least one of the exhaust... | 06/02/2009 |
| 7540151 | Drive device for a motor vehicle A drive device for a motor vehicle includes a multi-cylinder internal combustion engine and at least two exhaust gas turbocharger devices. At least one outlet valve is assigned to an exhaust gas turbocharger device of each cylinder of the internal combustion engine ... | 06/02/2009 |
| 7509805 | Control of exhaust to a turbo of internal combustion engine An internal combustion engine has a plurality of cylinders, and each cylinder has at least one first and one second exhaust port with associated respective first and second exhaust valves. At least one first and one second exhaust manifold are flow-connected to the ... | 03/31/2009 |
| 7461508 | Method and device for regulating the charge pressure of an internal combustion engine A method and a device are provided for regulating the charge pressure of an internal combustion engine having at least two exhaust gas turbochargers that set a target charge pressure rapidly and without overshooting. A first actuating element is provided with which ... | 12/09/2008 |