About 107 results
https://drivepatents.com/patents/1012934 · 18 May 2011
A layer short-circuit of a switch element such as a FET included in an electromagnetic load circuit is detected to accurately perform a failure diagnosis of the electromagnetic load circuit. A failure diagnosis circuit 101 is provided which detects a layer...
https://drivepatents.com/patents/1013260 · 4 May 2011
A fuel injection control apparatus for an internal combustion engine which can inject a fuel injection quantity to a fuel injector with accuracy even when the fuel injection quantity is reduced than before is provided. A fuel injection control apparatus of...
https://drivepatents.com/patents/1015694 · 16 Feb 2011
In an internal combustion engine controller 1, a clock trouble determination signal from a clock trouble determining circuit 14 that diagnoses any clock input trouble is transmitted in parallel with an abnormality diagnosis signal outputted from an abnorma...
https://drivepatents.com/patents/1015891 · 9 Feb 2011
A fluid injector comprises a longitudinal axis (L) and a valve needle (12), which is axially moveable and operable to prevent a fluid injection in a closing position and to permit the fluid injection in further positions. The fluid injector also comprises ...
https://drivepatents.com/patents/1015978 · 9 Feb 2011
The objective of the present invention is to dampen operating sounds of an electromagnetic drive mechanism used for a variable displacement control mechanism in a high-pressure fuel supply pump to reduce an individual difference depending on apparatus due ...
https://drivepatents.com/patents/1066379 · 14 Jun 2006
In an electrical load driver, a plurality of common terminals to which a plurality of electrical loads are connected and to which power is supplied are provided. A plurality of switching elements are provided in the plurality of common terminals and config...
https://drivepatents.com/patents/1067371 · 17 May 2006
Disclosed herein is a method for controlling fuel injection in an internal-combustion engine provided with an electroinjector (1), comprising an electroactuator (8), an injection nozzle (5), and a pin (7), which is movable along an opening stroke and a clo...
https://drivepatents.com/patents/1067370 · 17 May 2006
The method involves detecting an electrical and/or mechanical state of a magnetostrictive actuator (1) by detecting a passage of a low or high current level across an inductive electrical part of the actuator. Waveform of power supply is modified according...
https://drivepatents.com/patents/1068130 · 19 Apr 2006
The method involves supplying a bridge circuit (2) of an actuation device (1) with a continuous signal. A measurement signal, representing a position of an actuated part of an actuator of the device, is produced based on result of comparison of a measured ...
https://drivepatents.com/patents/1072504 · 16 Nov 2005
An electromagnetic actuator (8) includes a stator assembly (12) mounted to a center pole (28) formed of material having high magnetic permeability and functions as a return path for the magnetic field generated when current is passed through coils (20,22) ...