About 107 results
https://drivepatents.com/patents/1007501 · 30 Nov 2011
At the time of drop of an injector current 3-1A of an internal combustion engine controller, the drop is performed quickly while heat generation of a drive circuit is suppressed, and valve closing response speed of the injector 3-1 is enhanced. The interna...
https://drivepatents.com/patents/1008041 · 2 Nov 2011
A fuel injection system for an internal combustion engine, comprising at least one fuel electroinjector (1), and an electronic control unit (11) configured to supply the fuel electroinjector (1), in a fuel injection phase in an engine cylinder, with at lea...
https://drivepatents.com/patents/1008733 · 12 Oct 2011
Method for determining the closing time (t 3 ) of an electromagnetic fuel injector (4); the method contemplates the steps of: applying at a starting time (t 1 ) of the injection a positive voltage (v) to the coil (16) of the electromagnetic actuator (14) i...
https://drivepatents.com/patents/1008734 · 12 Oct 2011
Method of controlling an electromagnetic fuel injector (4); the method contemplates the steps of: determining a target quantity (Q INJ-OBJ ) of fuel to inject; determining a hydraulic supply time (T HYD ) as a function of the target quantity (Q INJ-OBJ ) o...
https://drivepatents.com/patents/1009400 · 21 Sep 2011
An injector energizing circuit (200) includes a first FET (2) which applies a high voltage (100a) generated by a boost convertor (100) to an injection valve (20). The boost convertor (100) includes an input side capacitor (103), a boosting FET (105), a boo...
https://drivepatents.com/patents/1009491 · 14 Sep 2011
An electromagnetic valve driving circuit (200) capable of reducing a load of a booster circuit (100). A boost driving FET (202) is connected to a route formed between the booster circuit (100) and a first terminal of an injector (3). A battery-side driving...
https://drivepatents.com/patents/1009499 · 14 Sep 2011
Disclosed is a fuel injection system that is used with an internal-combustion engine 1 to reliably perform a requested fuel injection operation a requested number of times even when a boost voltage is lowered. The fuel injection systemmonitors the boost vo...
https://drivepatents.com/patents/1009604 · 7 Sep 2011
A high pressure fuel pump for use with a direct injection engine having a housing 22 which defines a pump chamber 24. A port .32 is formed in the housing 22 which fluidly connects a fuel in the passageway 30 with the pump chamber 24. An elongated valve 36 ...
https://drivepatents.com/patents/1010040 · 17 Aug 2011
The method involves controlling an injection valve member by a solenoid valve whose anchor bolt is axially and displaceably mounted on a spring element (4). The anchor bolt is made to impact by axial force that is directly proportional to hydraulic pressur...
https://drivepatents.com/patents/1011371 · 29 Jun 2011
An injection control unit 112, 113 of a fuel injector 106 is provided, which prevents generation of a nozzle deposit of the fuel injector 106. In a control unit 112, 113 of a fuel injector 106 capable of controlling a lift height that is a distance between...