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Class Information
Number: 123/490
Name: Internal-combustion engines > Charge forming device (e.g., pollution control) > Fuel injection system > Electrically actuated injector > Actuator circuit (e.g., engine condition responsive electronic circuit actuates injector valve) > Injector solenoid drive
Description: Subject matter wherein said circuit has a decision making or computing section and employs a particular subcircuit connected to the output of that section to amplify or alternatively switch the output of said circuit to a particular injector valve or group of valves.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7624721 |
Drive circuit for an injector arrangement and a diagnostic method |
Dec. 1, 2009 |
| 7621259 |
Internal combustion engine controller |
Nov. 24, 2009 |
| 7617813 |
Method for controlling a piezoelectric actuator and control unit for controlling a piezoelectric actuator |
Nov. 17, 2009 |
| 7578279 |
Fuel injection spark ignition system |
Aug. 25, 2009 |
| 7578284 |
Internal combustion engine controller |
Aug. 25, 2009 |
| 7578280 |
Fuel injection system designed to enhance uniformity of size of atomized particles of fuel |
Aug. 25, 2009 |
| 7571715 |
Electrical disconnection in fuel injectors |
Aug. 11, 2009 |
| 7552719 |
Solenoid assembly having slotted stator |
Jun. 30, 2009 |
| 7552718 |
Electrical drive arrangement for a fuel injection system |
Jun. 30, 2009 |
| 7552709 |
Accumulator fuel injection apparatus compensating for injector individual variability |
Jun. 30, 2009 |
| 7546830 |
Injector drive device and injector drive system |
Jun. 16, 2009 |
| 7533655 |
Fuel injection system for an internal combustion engine |
May. 19, 2009 |
| 7527040 |
Fuel injection performance enhancing controller |
May. 5, 2009 |
| 7528524 |
Method and device for controlling a piezo actuator |
May. 5, 2009 |
| 7505846 |
Method for operating a fuel injection device of an internal combustion engine |
Mar. 17, 2009 |
| 7497206 |
Method for operating an internal combustion engine |
Mar. 3, 2009 |
| 7497204 |
Drive circuit for an injector arrangement and a diagnostic method |
Mar. 3, 2009 |
| 7478626 |
Method for producing an injector |
Jan. 20, 2009 |
| 7474035 |
Driving device for piezoelectric actuator |
Jan. 6, 2009 |
| 7472017 |
Method and control device for triggering solenoid valves assigned to gas-exchange valves |
Dec. 30, 2008 |
| 7467619 |
Apparatus and method for accurate detection of locomotive fuel injection pump solenoid closure |
Dec. 23, 2008 |
| 7438054 |
Fuel injector for a direct injection internal combustion engine |
Oct. 21, 2008 |
| 7424883 |
Ultrasonic fuel injector |
Sep. 16, 2008 |
| 7422005 |
System and method for operating a piezoelectric fuel injector |
Sep. 9, 2008 |
| 7415971 |
Control circuit for an actuator |
Aug. 26, 2008 |
| 7401595 |
Fuel injection device for internal combustion engine |
Jul. 22, 2008 |
| 7383819 |
Electromagnetic valve device and fuel injection apparatus with the valve device |
Jun. 10, 2008 |
| 7377265 |
Injector driver and drive method for the same |
May. 27, 2008 |
| 7373927 |
Method for operating an internal combustion engine |
May. 20, 2008 |
| 7367323 |
Eight-cylinder engine |
May. 6, 2008 |
| 7360526 |
Method for operating an internal combustion engine |
Apr. 22, 2008 |
| 7357123 |
Electromagnetic actuator, fuel injection valve, method of controlling fuel injection valve, and method of driving the same |
Apr. 15, 2008 |
| 7349192 |
Method of operating a device for controlling electric actuators with optimum actuation current distribution |
Mar. 25, 2008 |
| 7305971 |
Fuel injection system ensuring operation in event of unusual condition |
Dec. 11, 2007 |
| 7299789 |
Fuel injection timer and current regulator |
Nov. 27, 2007 |
| 7293545 |
Method for enlarging the control range for equalizing injection quantity differences |
Nov. 13, 2007 |
| 7290532 |
Fuel injection valve |
Nov. 6, 2007 |
| 7280339 |
Operating device for inductive electrical actuators |
Oct. 9, 2007 |
| 7258109 |
Method for operating a fuel injection device, especially for a motor vehicle |
Aug. 21, 2007 |
| 7191765 |
Device for control of electro-actuators with detection of the instant of end of actuation, and method for detection of the instant of end of actuation of an electro-actuator |
Mar. 20, 2007 |
| 7188591 |
Power supply method for electrical equipment |
Mar. 13, 2007 |
| 7191051 |
Method and apparatus for operating an injection system in an internal combustion engine |
Mar. 13, 2007 |
| 7158361 |
Method and apparatus for regulating a current through an inductive load |
Jan. 2, 2007 |
| 7131423 |
Fuel injection spark ignition system |
Nov. 7, 2006 |
| 7131429 |
Method for controlling an injection valve of an internal combustion engine |
Nov. 7, 2006 |
| 7133759 |
Electronic control apparatus for a vehicle |
Nov. 7, 2006 |
| 7124742 |
Supplemental fuel injector trigger circuit |
Oct. 24, 2006 |
| 7117852 |
Single device for controlling fuel electro-injectors and electrovalves in an internal-combustion engine, and method of operating the same |
Oct. 10, 2006 |
| 7089916 |
Internal combustion engine and fuel injection control device therefor |
Aug. 15, 2006 |
| 7089915 |
Method and device for controlling an electromagnetic consumer |
Aug. 15, 2006 |
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