About 107 results
https://drivepatents.com/patents/1072494 · 16 Nov 2005
An automatic compensation method for automatically compensating the current measurement offset of a device (1) for controlling electric actuators and including at least one power block (6) for supplying current to a respective electric actuator (8); and a ...
https://drivepatents.com/patents/1073618 · 5 Oct 2005
In order to perform accurate fuel injection control in response to fuel injection requests from the engine side without being affected by variations in power supply voltage and in coil temperature of a fuel injection solenoid and by other external factors,...
https://drivepatents.com/patents/1075610 · 27 Jul 2005
A fuel injection method is provided for correcting the fuel injection amount accurately by eliminating offset components when detecting a current flowing through a solenoid for fuel injection. A current component, which is detected during normal running an...
https://drivepatents.com/patents/1077363 · 1 Jun 2005
A drive device (41) for electrical injectors of a common rail fuel injection system of an internal combustion engine has a power circuit (42), in turn having a drive circuit (11), for each electrical injector (12), with a number of switches (27, 28, 29) co...
https://drivepatents.com/patents/1077356 · 1 Jun 2005
A drive device (41) for inductive electroactuators equipped with a power circuit (42) comprising a drive circuit (11) for each electroactuator (12); each drive circuit (11) comprising a series of selectively controlled transistors (27, 28, 29) for regulati...
https://drivepatents.com/patents/1077564 · 25 May 2005
A description is provided of a device (2) for control of an electro-actuator (3), comprising a first and a second input terminal (4,5) which are connected to an electrical energy source (6); and a first and a second output terminal (10,11) which are connec...
https://drivepatents.com/patents/1077565 · 25 May 2005
A control device (2) for an electro-actuator (3) comprising a first and a second input terminal (4, 5) connected to an electrical energy source (6); a first and a second output terminal (10, 11) connected to the electro-actuator (3); and selectively contro...
https://drivepatents.com/patents/1077563 · 25 May 2005
The invention describes a method for determining the stroke end instant of the shutter (4) during the deactivation phase of an electro-valve. The proposed method comprises the following steps: assessment of nominal deactivation time and deduction from said...
https://drivepatents.com/patents/1078080 · 4 May 2005
A method for controlling an injector (2) with verification that plunger movement has occurred; the method providing application of a time-variable voltage (Vinj) to the terminals (5, 6) of an injector (2) drive circuit (4) in order to cause a current wave ...
https://drivepatents.com/patents/1078595 · 13 Apr 2005
There is the problem that when voltage changes occur in the battery used as a power supply, the amount of fuel injection also changes and the required amount of fuel injected cannot be obtained. The present invention provides: a fuel injector by which the ...