About 22 results
https://drivepatents.com/patents/1380743 · 9 Apr 2026
A system for determining fuel delivery includes an internal combustion engine having a plurality of cylinders, a plurality of fuel injectors configured to inject fuel for combustion in the cylinders, a fuel rail configured to provide the fuel to the plural...
https://drivepatents.com/patents/940168 · 20 Jul 2016
A microcomputer determines a presence of an abnormality of a fuel injection quantity control device based on a comparison between a required injection quantity as a command value for the amount of a fuel injected from an injector in one engine cycle and a ...
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/959467 · 1 Jul 2015
In an apparatus for controlling a general purpose engine having a choke valve, a choke valve opening/closing mechanism, a choke valve opening regulating mechanism, a heater and a heater connection terminal, it is configured to detect temperature of the gen...
https://drivepatents.com/patents/973183 · 25 Jun 2014
A system for diagnosing the starting of an internal combustion engine is described, comprising internal components of the engine and components for managing the engine functionalities, vehicle batteries to supply power to a starter, a fuel injection system...
https://drivepatents.com/patents/976844 · 2 Apr 2014
An object of the invention is to detect, in a fuel injection control system for an internal combustion engine equipped with a low pressure fuel pump and a high pressure fuel pump, a failure in the fuel injection system including the high pressure fuel pump...
https://drivepatents.com/patents/977814 · 5 Mar 2014
In an adjustment device of a high-pressure pump for increasing a pressure of a fuel supplied from a feed pump and pressure-feeding the fuel, the adjustment device includes: an inlet valve changing a communication state between a cylinder provided in the hi...
https://drivepatents.com/patents/977808 · 5 Mar 2014
The invention relates to a deposit amount estimation device for estimating a deposit amount by calculating an amount of a deposit on an injection hole wall face of a fuel injector (22). An increment judgment of whether an actual fuel injection amount is la...
https://drivepatents.com/patents/977807 · 5 Mar 2014
This invention relates to a deposit remove amount estimation device for estimating inlet and outlet deposit remove amounts by calculating an inlet deposit remove amount which is an amount of a removed combustion product among the combustion product accumul...
https://drivepatents.com/patents/981982 · 13 Nov 2013
Method for monitoring an opening of an injection valve comprising a movable valve needle and preventing a fluid flow through a fluid outlet portion in a closing position and releasing the fluid flow through the fluid outlet portion in further positions, an...