About 954 results
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https://drivepatents.com/patents/940787 · 6 Jul 2016
A system 10 includes a controller 25 configured to receive noise signals acquired by at least two knock sensors 23 of a plurality of knock sensors coupled to a reciprocating device 54. Each noise signal represents a noise signature of the reciprocating dev...
https://drivepatents.com/patents/940786 · 6 Jul 2016
A vehicle speed determination system and method receive image data (106) of a field of view of a camera (110) operably disposed onboard a vehicle (104). A speed and/or heading of the vehicle (104) are determined as the vehicle is moving based at least in p...
https://drivepatents.com/patents/940781 · 6 Jul 2016
A method of characterizing a noise signal includes receiving (90) a noise signal sensed by a knock sensor coupled to a reciprocating device, preconditioning (92) the noise signal to derive a preconditioned noise signal, applying (94) an ADSR envelope to th...
https://drivepatents.com/patents/941726 · 15 Jun 2016
System 101 for controlling an injection of fuel in an engine is disclosed. The engine 100 includes a cylinder 106 and a first fuel injector 122 to inject a first fuel in the cylinder 106. The system 101 includes a sensor 154 disposed on or proximate to the...
https://drivepatents.com/patents/943975 · 27 Apr 2016
Methods and systems detect short circuits in an electrical system (104), such as a dynamic braking grid of a vehicle. The methods and system measure a characteristic of a current that is conducted through one or more resistive elements (202) of an electric...
https://drivepatents.com/patents/944366 · 20 Apr 2016
Various methods and systems are provided for adjusting a turbine boost control actuator based on a single common reference value. In one example, a method for an engine (104) includes adjusting a turbine boost control actuator to control an intake manifold...
https://drivepatents.com/patents/945511 · 23 Mar 2016
Various methods and systems are provided diagnosing a valve. In one example, a system comprises a valve (236) configured to regulate a fuel flow, and a controller (180) configured to determine degradation of the valve (236) based on an initial opening char...
https://drivepatents.com/patents/946045 · 9 Mar 2016
Various methods and systems are provided for diagnosing a condition of a component in an exhaust gas recirculation system (160). In one example, a method includes selectively routing exhaust from a first subset of engine cylinders (107) to an exhaust passa...
https://drivepatents.com/patents/946042 · 9 Mar 2016
Various methods and systems are provided for diagnosing a condition of a cylinder (105, 107) of an engine (104). In one example, a method includes adjusting recirculated exhaust gas responsive to a determined emission value and indicating insufficient comb...
https://drivepatents.com/patents/946043 · 9 Mar 2016
Various methods and systems are provided for controlling exhaust gas recirculation in an engine 104. One embodiment for a system comprises an engine having first and second cylinder groups 105,107, and an exhaust gas recirculation (EGR) passage 162 coupled...