Celebrity Inventors
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 |
| 8136512 | Method for operating an engine with a pressure-wave supercharger In an internal combustion engine, fresh air is compressed by a pressure-wave supercharger. At least one operating parameter of the pressure-wave supercharger is controlled or regulated as a function of at least one actual operating variable of the internal combustio... | 03/20/2012 |
| 7669587 | Method of operating an engine with a pressure-wave supercharger In an internal combustion engine, fresh air is compressed by a pressure-wave supercharger. At least one operating parameter of the pressure-wave supercharger is controlled or regulated as a function of at least one actual operating variable of the internal combustio... | 03/02/2010 |
| 7263426 | System for controlling fuel delivery at altitude A control system for an engine having a combustion chamber is disclosed. The control system has a first sensor, a second sensor, and a third sensor. The first sensor generates a signal indicative of ambient air pressure. The second sensor generates a signal indicati... | 08/28/2007 |
| 7108488 | Turbocharger with hydrodynamic foil bearings A turbocharger includes a foil bearing assembly mounted in a center housing between a compressor and a turbine of the turbocharger. The bearing assembly forms a unit installable into the center housing from one end thereof, and the center housing is a one-piece cons... | 09/19/2006 |
| 7080633 | Gas-dynamic pressure wave machine A gas-dynamic pressure wave supercharger includes a multi-cell rotor, a fresh air inlet channel, a high pressure air channel leading to the engine, and high and low pressure exhaust channels, with the high and low pressure exhaust channels enclosed in a gas enclosur... | 07/25/2006 |
| 7076952 | Supercharged internal combustion engine A supercharged internal combustion engine system wherein the supercharger assembly includes an ejector pump driven by high-pressure air for pumping intake air into engine combustion chamber. Included are means for sensing engine power demand and controlling the supe... | 07/18/2006 |
| 6988493 | Method for the control of an internal combustion engine combined with a gas-dynamic pressure wave machine The method for the control of an internal combustion engine combined with a gas-dynamic pressure wave machine comprising a rotatable housing in order to control the process tuning over the entire performance field of the internal combustion engine as well as a varia... | 01/24/2006 |
| 6973786 | Emission reduction in a diesel engine by selective use of high-and low-pressure EGR loops A compression ignition engine (10) has an EGR system operable to provide a first EGR loop (46, 52, 54) when the engine is lightly loaded and a second EGR loop (46, 52, 56) when the engine is more heavily loaded. When the first EGR loop is select... | 12/13/2005 |
| 6595183 | Internal combustion engine A multicylinder internal combustion engine with an exhaust-driven turbocompressor and with a divided exhaust flow has at least two exhaust valves and one intake valve per cylinder. A first exhaust valve is connected to a first exhaust manifold which leads... | 07/22/2003 |
| 6439209 | Gas-dynamic pressure wave machine The gas-dynamic pressure wave machine, which is destined for the charge air supply of an internal combustion engine, comprises a rotor, a low pressure fresh air inlet channel, a high pressure charge air channel leading to the internal combustion engine, a... | 08/27/2002 |
| 6367460 | Gas-dynamic pressure wave machine The gas-dynamic pressure wave machine, which is destined for the charge air supply of an internal combustion engine, comprises a rotor, a low pressure fresh air inlet channel, a high pressure charge air channel leading to the internal combustion engine, a... | 04/09/2002 |
| 6354078 | Device and method for reducing emissions in catalytic converter exhaust systems The invention relates to a device and a method for reducing emissions in catalytic converter exhaust systems for a vehicle provided with a combustion engine. The invention comprises a control unit adapted to control the air-fuel being fed to the engine so... | 03/12/2002 |
| 6325054 | Internal combustion engine with pressure wave machine The spark ignition engine is provided with a pressure wave machine and comprises a three-way catalyst. In order to improve the cold start properties both of the catalyst and of the pressure wave machine, a heating device is disposed between the catalyst a... | 12/04/2001 |
| 6314951 | Gas-dynamic pressure-wave machine The gas-dynamic pressure wave machine which is destined for the charge air supply of an internal combustion engine comprises a rotor (6, 40) with cells (18, 41), a low pressure fresh air inlet channel (14, 38), a high pressure charge air channel (10, 32) ... | 11/13/2001 |
| 6286312 | Arrangement for a combustion engine Internal combustion engines are described including a crankshaft and at least one cylinder, an intake line for supplying air to the cylinder, an exhaust line for discharging exhaust gases from the cylinder, a recirculation line for recirculating at least ... | 09/11/2001 |
| 6209530 | Control system for exhaust gas recirculation system A system and method for controlling an exhaust gas recirculation system (10) on an electronically controlled, turbocharger (18) equipped internal combustion engine (12) having two or more actuating devices (84,86). In the disclosed embodiments, the actuat... | 04/03/2001 |
| 6158422 | Supercharging arrangement for the charge air of an internal combustion engine The invention concerns a supercharging arrangement (1) for the charge air an internal combustion engine (2), in particular a piston engine (3), with a multi-cycle pressure wave machine (13) connected for flow to a feed line for the charge air and an exhau... | 12/12/2000 |
| 6138649 | Fast acting exhaust gas recirculation system A system is provided for rapidly changing the flow of recirculated exhaust gas to each cylinder of an internal combustion engine operating on diesel fuel or other fuels. The system preferably includes an exhaust gas recirculation line having an exhaust ga... | 10/31/2000 |
| 6089211 | Spark ignition engine with pressure-wave supercharger The invention relates to a spark ignition engine (1) having a pressure-wave supercharger (5) and a three-way catalyst (4). To remove the pollutant constituents HC, CO and NOx in an efficient manner, an oxidation catalyst (12) is connected downs... | 07/18/2000 |
| 6082341 | Supercharger for engine There is disclosed a supercharger for an engine in which intake air is increased in pressure by the use of exhaust gas flowed into the supercharger from the engine, and is fed to the engine. An impeller 2, having a plurality of blades formed on an outer p... | 07/04/2000 |
| 6055965 | Control system for exhaust gas recirculation system in an internal combustion engine A closed loop control system for an exhaust gas recovery flow in an internal combustion engine having an intake air pressurizing device is provided. The closed loop control system includes an engine controller connected to an intake air mass flow sensor, ... | 05/02/2000 |
| 5839416 | Control system for pressure wave supercharger to optimize emissions and performance of an internal combustion engine A control system for an internal combustion engine and an associated pressure wave supercharger, which optimizes exhaust emissions and engine performance by automatically switching the mode of control between a cold start and white smoke mode, an altitude... | 11/24/1998 |
| 5799641 | Pressure-wave supercharger A pressure-wave supercharger for an internal combustion engine is incorporated into the engine flywheel. The supercharger includes a rotor with a plurality of cells extending axially of the rotor and arranged circumferentially about the rotor, an exhaust ... | 09/01/1998 |
| 5771867 | Control system for exhaust gas recovery system in an internal combustion engine A system and method for controlling an exhaust gas recirculation system in an internal combustion engine having two or more actuating devices on a supercharger-type pressure-charged internal combustion engine, or, in a turbocharger equipped pressure-charg... | 06/30/1998 |
| 5724949 | Hydraulic drive for a pressure wave supercharger utilized with an internal combustion engine A hydraulic drive system for a pressure wave supercharger having a circular array of elongated chambers disposed to form a rotor rotatably disposed in a housing, the pressure wave supercharger being cooperatively associated with an internal combustion eng... | 03/10/1998 |
| 5524587 | Sliding vane engine A sliding vane engine, where the vanes slide with at least of one of an axial and radial component of vane motion, and where the compression ratio of the engine may be variably controlled. The engine includes a stator and a rotor in relative rotation, and... | 06/11/1996 |
| 5284123 | Pressure wave supercharger having a stationary cellular member A pressure wave supercharger includes a fixed cellular member having an array of parallel longitudinal cells. A segmented impeller fan at a first open end of the cells alternates the cells from being in fluid communication with a supply of fresh air and b... | 02/08/1994 |
| 5052362 | Gas-dynamic pressure-wave supercharger with exhaust bypass In the case of a gas-dynamic pressure-wave supercharger for the supercharging of an internal combustion engine, an exhaust bypass in the gas housing (2), with a medium-controlled gate, connects the high-pressure gas inflow duct (4) to the low-pressure gas... | 10/01/1991 |
| 5051064 | Lightweight gas casing The main parts of the lightweight gas casing are a rigid force-absorbing part (1) consisting of metal plates (2, 3) which can be worked without cutting, have flanges (4, 5, 6) for connecting the casing to fluid-conducting engine parts and are rigidly conn... | 09/24/1991 |
| 4932372 | Apparatus and method for retarding a turbocharged engine The invention includes an apparatus for retarding a turbocharged engine. There is a mechanism, such as a master and slave cylinder arrangement, for cracking open each exhaust valve of each cylinder of the engine near top dead center of each compression st... | 06/12/1990 |
| 4910959 | Pulsed catalytic supercharger silencer A pressure wave supercharger utilizes a rotor having closely spaced conduits in a rectangular array whose inside surfaces are provided with a catalyst for exothermic oxidation of incompletely burned exhaust gases. The size, geometry and length of the cond... | 03/27/1990 |
| 4838234 | Free-running pressure wave supercharger Flanged onto the air casing (6) of a free-running pressure wave supercharger for an internal combustion engine is an electric motor (10a) whose shaft (28) is effectively connected to the rotor shaft (8) via a free-wheel overrunning clutch (9a) with engage... | 06/13/1989 |
| 4808082 | Pressure wave supercharger In this pressure wave supercharger, the driving belt pulley (19) for the rotor having a freewheel clutch (23) and rolling contact bearings (22) provided on both sides of the same are supported on the rotor shaft (18+20). With respect to the operation of t... | 02/28/1989 |
| 4798049 | Internal combustion engine with pressure-wave supercharger and lambda probe In an internal combustion engine supercharged by a pressure-wave supercharger (2), a lambda probe (7) is used for measurement of the oxygen content in the circuit. The oxygen content determined by the lambda probe (7) creates a measuring signal (9), which... | 01/17/1989 |
| 4796595 | Free-running pressure wave supercharger driven by gas forces In a free-running pressure wave supercharger driven by the gas forces, nozzles (27) are provided in the gas casing (6) and possibly also in the air casing (5), which nozzles are connected--via a drive line (26)--with a position in the air casing (5), pref... | 01/10/1989 |
| 4763471 | Exhaust plenum chamber An exhaust plenum chamber for a supercharged engine having a variable volume. A mechanical spring is arranged to an exhaust plenum chamber to increase the spring action of the plenum chamber volume. In this connection, the plenum chamber interior is divid... | 08/16/1988 |
| 4723525 | Internal combustion engine with a pressure wave supercharger The pressure wave supercharger of the internal combustion engine has a diaphragm capsule (20) for controlling the supercharge air butterfly (14). The diaphragm (21) of the diaphragm capsule is, in operation, subjected on the butterfly side to the high pre... | 02/09/1988 |
| 4702218 | Engine intake system having a pressure wave supercharger An engine intake system including a supercharger of a type wherein the intake air drawn from the intake air inlet port is compressed by the pressure of the exhaust gas before it is discharged through the intake air outlet port. An exhaust gas recirculatio... | 10/27/1987 |
| 4702075 | Process and device for operating a diesel engine with an exhaust-gas particle filter A method and apparatus wherein a diesel having an exhaust-gas passage, a particle filter at a location along the exhaust-gas passage and a bypass passage bypassing the particle filter is started with the bypass passage closed, is operated at idle and up t... | 10/27/1987 |
| 4702756 | Engine intake system having a supercharger An engine intake system including a supercharger of a type wherein the intake air drawn from the intake air inlet port is compressed by the pressure of the exhaust gas before it is discharged through the intake air outlet port. A coarse air cleaner is pro... | 10/27/1987 |
