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Class Information
Number: 123/481
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) > Engine cylinder cutout
Description: Subject matter in which fuel injection to some portion of but not all of the engine cylinders is interrupted in response to a predetermined condition.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7040295 |
Fail-operational internal combustion engine systems and methods |
May. 9, 2006 |
| 7028678 |
Internal combustion engine |
Apr. 18, 2006 |
| 7028670 |
Torque control for engine during cylinder activation or deactivation |
Apr. 18, 2006 |
| 7021046 |
Engine system and method for efficient emission control device purging |
Apr. 4, 2006 |
| 7013862 |
Method for operating an internal combustion engine |
Mar. 21, 2006 |
| 7007461 |
System and method for controlling catalyst storage capacity |
Mar. 7, 2006 |
| 7004148 |
Control apparatus for internal combustion engine |
Feb. 28, 2006 |
| 6978204 |
Engine system and method with cylinder deactivation |
Dec. 20, 2005 |
| 6962143 |
High-efficiency, low emission gasoline engines for heavy-duty applications |
Nov. 8, 2005 |
| 6959241 |
Engine control device |
Oct. 25, 2005 |
| 6953021 |
Controller of hybrid vehicle |
Oct. 11, 2005 |
| 6939266 |
Shift interrupt system |
Sep. 6, 2005 |
| 6935307 |
Diesel engine |
Aug. 30, 2005 |
| 6935316 |
Fail-operational internal combustion engine |
Aug. 30, 2005 |
| 6931839 |
Apparatus and method for reduced cold start emissions |
Aug. 23, 2005 |
| 6928988 |
Control system for engine |
Aug. 16, 2005 |
| 6915781 |
Engine control system with throttle preload during cylinder deactivation |
Jul. 12, 2005 |
| 6901741 |
Diagnosis of deterioration in air/fuel ratio sensor |
Jun. 7, 2005 |
| 6901327 |
Computer instructions for control of multi-path exhaust system in an engine |
May. 31, 2005 |
| 6895941 |
Method and apparatus for a variable displacement internal combustion engine |
May. 24, 2005 |
| 6892527 |
Catalyst deterioration suppressing apparatus and method |
May. 17, 2005 |
| 6876919 |
Cylinder specific performance parameter computed for an internal combustion engine |
Apr. 5, 2005 |
| 6874463 |
Engine and method of operation with cylinder deactivation |
Apr. 5, 2005 |
| 6868667 |
Method for rapid catalyst heating |
Mar. 22, 2005 |
| 6863052 |
Knocking control apparatus and method and engine control unit for variable cylinder internal combustion engine |
Mar. 8, 2005 |
| 6857491 |
Control apparatus for hybrid vehicle |
Feb. 22, 2005 |
| 6857264 |
Exhaust emission aftertreatment |
Feb. 22, 2005 |
| 6854449 |
Control apparatus for internal combustion engine |
Feb. 15, 2005 |
| 6843229 |
Displacement on demand fault indication |
Jan. 18, 2005 |
| 6840213 |
Control apparatus, control method and engine control unit for variable cylinder internal combustion engine |
Jan. 11, 2005 |
| 6832596 |
Fuel injection system and fuel injecting method for internal combustion engine |
Dec. 21, 2004 |
| 6829886 |
Emission control apparatus of internal combustion engine, and method for retarding deterioration of emission control catalyst |
Dec. 14, 2004 |
| 6823837 |
Ignition control for marine propulsion |
Nov. 30, 2004 |
| 6823835 |
Method and apparatus for reducing locomotive diesel engine smoke using skip firing |
Nov. 30, 2004 |
| 6820593 |
Regulation of true running for diesel engines |
Nov. 23, 2004 |
| 6817172 |
Exhaust purifying apparatus for an internal combustion engine and a failure prevention method therefor |
Nov. 16, 2004 |
| 6808471 |
Methods and apparatus for providing security for electronically-controlled cylinder activation and deactivation |
Oct. 26, 2004 |
| 6772724 |
Variable displacement engine starting control |
Aug. 10, 2004 |
| 6769398 |
Idle speed control for lean burn engine with variable-displacement-like characteristic |
Aug. 3, 2004 |
| 6760656 |
Airflow estimation for engines with displacement on demand |
Jul. 6, 2004 |
| 6745747 |
Method for air-fuel ratio control of a lean burn engine |
Jun. 8, 2004 |
| 6739314 |
Displacement on demand with throttle preload security methodology |
May. 25, 2004 |
| 6735938 |
Method to control transitions between modes of operation of an engine |
May. 18, 2004 |
| 6736113 |
Ignition system and ignition control method |
May. 18, 2004 |
| 6736108 |
Fuel and spark compensation for reactivating cylinders in a variable displacement engine |
May. 18, 2004 |
| 6732505 |
In-cylinder injection type spark-ignition internal combustion engine and method |
May. 11, 2004 |
| 6715462 |
Method to control fuel vapor purging |
Apr. 6, 2004 |
| 6705293 |
Control system and method for a multi-cylinder internal combustion engine |
Mar. 16, 2004 |
| 6694946 |
Method of deactivating selected fuel injectors of an internal combustion engine for improved idle stability |
Feb. 24, 2004 |
| 6691669 |
Overall scheduling of a lean burn engine system |
Feb. 17, 2004 |
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