About 107 results
https://drivepatents.com/patents/1391597 · 4 Feb 2026
[Problem] There are provided a diesel engine, a diesel engine manufacturing method, and a diesel engine injection-amount correction system which can easily improve accuracy of correction of variations in fuel injection amount. [Solution] A diesel engine 30...
https://drivepatents.com/patents/939060 · 17 Aug 2016
Provided is an electronic control device having an input processing circuit capable of arbitrarily connecting a pull-up resistor or a pull-down resistor or both of the pull-up resistor and the pull-down resistor to an input signal from outside and capable ...
https://drivepatents.com/patents/939670 · 3 Aug 2016
An object of the invention is to provide a drive device of a fuel injection device which can increase the accuracy in an injected fuel injection amount by combining the fuel injections from a plurality of injection pulse widths. In the drive device of the ...
https://drivepatents.com/patents/939669 · 3 Aug 2016
An internal-combustion-engine fuel injection control device which can accurately control a boosted voltage applied to a fuel injection valve during fuel injection and can control a variation in a fuel injection amount without increasing a size or a cost of...
https://drivepatents.com/patents/942134 · 8 Jun 2016
A drive device capable of detecting individual variations of an injection quantity of a fuel injection device of each cylinder and adjusting a current waveform provided to an injection pulse width and a solenoid such that the individual variations of the f...
https://drivepatents.com/patents/952947 · 2 Mar 2016
The present invention is to provide a magnet coil drive control device that can efficiently suppress conduction noise while reducing the capacitance of a capacitor. A capacitor and an impedance element are arranged in series on the connecting line connecti...
https://drivepatents.com/patents/952922 · 2 Mar 2016
Provided are an electromagnetic valve control unit and a fuel injection control device using the same that can precisely detect a change of an operating state of an electromagnetic valve, that is, a valve opening time or a valve closing time of the electro...
https://drivepatents.com/patents/953833 · 3 Feb 2016
An object of the invention is to reduce an injection quantity of minimum by reducing difference in machines of fuel injection valves and difference in injection quantities of fuel injection valves caused by difference in characteristics. A fuel injection v...
https://drivepatents.com/patents/954751 · 30 Dec 2015
A control device is provided which prevents a temperature increase within an ECU by suppressing heat generation in the ECU without using a new cooling device such as a blow fan. In step 202 (S202), an open valve voltage target value is calculated (block 50...
https://drivepatents.com/patents/947602 · 16 Dec 2015
An object of this disclosure is to provide a fuel injection device that can reliably detect an operation timing of a valve body, that is, a valve opening timing with high accuracy. The current of an electromagnetic valve reaches I2 at time t3, an FET 201 a...