Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 6715287 | Method and device for controlling an internal combustion engine that is provided with an air system A device and a method for controlling an internal combustion engine with an air system are described. At least one variable characterizing the air system is determined on the basis of at least one correcting variable and/or at least one measured variable characteriz... | 04/06/2004 |
| 6662562 | Method and device for regulating the boost pressure of an internal combustion engine The turbine of the exhaust gas turbocharger, which is located in the exhaust gas channel of the internal combustion engine, has a variable geometry. The regulation of the boost pressure is performed via an adjustment of the turbine geometry. A very rapid ... | 12/16/2003 |
| 6253748 | Method and device for controlling an internal combustion engine A method and a device for controlling an internal combustion engine. An actuator serves to influence the quantity of exhaust gas recirculated. A loop controller preselects the quantity of exhaust gas to be recirculated on the basis of a setpoint and an ac... | 07/03/2001 |
| 5381775 | System for controlling an internal combustion engine The invention relates to a system for controlling an internal combustion engine, in particular a self-igniting internal combustion engine. First means (200) specify a first signal (MLS, US) on the basis of at least one operating parameter (QK, N). Second ... | 01/17/1995 |
| 5339680 | System and method for sensing temperature A method for sensing the temperature of the air supplied to the combustion chambers of an internal combustion engine for the purpose of detecting air mass. Air temperature can be measured using an inexpensive detector having a transfer function exhibiting... | 08/23/1994 |
| 5293853 | System for controlling an internal combustion engine The invention relates to a system for controlling an internal combustion engine (100), in particular a self-igniting internal combustion engine. A signal (U) for triggering a performance-determining final controlling element (105) is stored in a character... | 03/15/1994 |
| 5261378 | Device for producing a desired value of a control parameter of an internal combustion engine In a device for adjusting the injection timing in a diesel engine fitted with EDC, a basic value (SBGWs) of injection timing for operation in the static or steady state is stored in a first characteristic field (20) and a basic value (SBGWd) for operation... | 11/16/1993 |
| 5235949 | Method and arrangement for controlling the fuel metered in a diesel engine The invention relates to a method and arrangement for preparing a fuel-metering signal M for a diesel engine starting with measured variables such as accelerator pedal position, rotational speed, lambda, exhaust gas temperature or torque. A fuel quantity ... | 08/17/1993 |
| 5188081 | Control system for a fuel pump A control system for a fuel pump, particularly for a solenoid-valve-controlled fuel pump in the case of a self-ignitable internal-combustion engine, in which at least one pulse transmitter is mounted on the crankshaft and/or on the camshaft. The generated... | 02/23/1993 |
| 5131371 | Method and arrangement for controlling a self-igniting internal combustion engine The invention is directed to a method and arrangement for controlling a self-igniting internal combustion engine. The arrangement includes at least one measured-value sensor, electronic control unit for forming a quantity signal for metering fuel, and a c... | 07/21/1992 |
| 5105788 | Fuel injection system for an internal-combustion engine A fuel injection system, in which the injection quantity and the start of injection are controlled with solenoid valves, in view of engine-specific data and various parameters. Rotational-speed pulses are measured at the camshaft and/or at the crankshaft.... | 04/21/1992 |
| 5070836 | Method and arrangement for controlling the injection of fuel in an internal combustion engine The invention is directed to a method and an arrangement for controlling the fuel injection in a high-pressure fuel pump. Magnetic valves determine the fuel quantity to be injected into the engine. The magnetic valve is controlled during the pumping phase... | 12/10/1991 |
| 5063903 | Method and arrangement for controlling the metering of fuel in an internal combustion engine The invention relates to a method and arrangement for controlling the fuel metered to an engine and especially to a diesel engine. The engine includes a fuel pump drive by a shaft for which injection start and injection end is fixed by a corresponding con... | 11/12/1991 |
| 4817574 | Feed system for injection nozzles A system for controlling injection time points and quantity of the fuel injection in a self-igniting internal combustion engine includes a transmitter of reference pulses (R) coupled to a crankshaft and a transmitter of speed pulses (D) and of a synchroni... | 04/04/1989 |
| 4594993 | Device for recirculating exhaust gas in an internal combustion engine Disclosed is a system for recirculating exhaust gas in an internal combustion engine having an exhaust gas recirculating conduit which is provided with a valve controlled by two solenoid windings. The system includes a control device including a PID regul... | 06/17/1986 |
| 4554899 | Speed governing system for an internal combustion engine with self-ignition For a speed governing system for an internal combustion engine with self-ignition, which includes an electromagnetic final control element for influencing the injection quantity and a control unit having a governor for controlling the final control elemen... | 11/26/1985 |
| 4538571 | Regulating arrangement for fuel adjusting means for a self-igniting internal combustion engine Disclosed a regulating device for a fuel volume adjuster of a self-igniting internal combustion engine. In order to damp jerking movements resulting at different power transmissions, a signal corresponding to the actual rotary speed of the engine is fed b... | 09/03/1985 |
| 4425888 | RPM-Governing system for an internal combustion engine with auto-ignition An rpm-governing system for an internal combustion engine with auto-ignition is proposed, in which the fuel quantity to be injected at least in the event of idling is subject to the influence of an electromagnetic final control element, in which the contr... | 01/17/1984 |
| 4352032 | Apparatus for computing the quotient of two inductances in an automotive control element position sensor The ratio of the inductance of a measuring coil to that of a reference coil is formed by an operational amplifier. Specifically, the measuring coil is connected between the output and the inverting input of the operational amplifier, the reference coil be... | 09/28/1982 |
| 4265200 | Method and apparatus for controlling the onset of fuel injection in diesel engines There is described a method and apparatus for use in association with the fuel injection pumps of Diesel engines to time the moment of injection. The method and apparatus described relate to a closed-loop control system which engages a final control eleme... | 05/05/1981 |
| 4228680 | Device for detecting the onset of fuel injection A signal transducer for use in association with a fuel injection valve of an internal combustion engine to detect the moment of commencement of fuel injection. The axial position of the fuel valve needle is sensed and a proportional signal is applied to a... | 10/21/1980 |
| 4223654 | Method and apparatus for controlling the operation of a diesel engine A method and apparatus for controlling a Diesel engine by limiting the amount of fuel to be admitted to the engine in dependence on engine speed and on the air mass flow rate. The invention provides a primary set of stored data interrelating these variabl... | 09/23/1980 |
