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Class Information
Number: 123/325
Name: Internal-combustion engines > Engine speed regulator > Responsive to deceleration mode (e.g., engine acting as a brake) > Deceleration responsive cutoff of fuel to engine (e.g., pollution control)
Description: Subject matter including means to stop fuel flow of the engine to decal the engine or clean up the emissions of the already decelerating engine.


Sub-classes under this class:

Class Number Class Name Patents
123/326 Rich resupply of fuel at end of deceleration 41


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7503308 Fuel injection and ignition control method and fuel injection and ignition control device of engine Mar. 17, 2009
7490588 Vehicle control apparatus and method Feb. 17, 2009
7441547 Method of feeding fuel to an engine, fuel feed amount control system of an engine, and motorcycle comprising fuel feed amount control system Oct. 28, 2008
7395808 Control system of internal combustion engine Jul. 8, 2008
7395809 Internal combustion engine and a method for such an engine Jul. 8, 2008
7383813 Method and device for controlling the transition between normal operation and overrun fuel cut-off operation of an Otto engine operated with direct fuel injection Jun. 10, 2008
7377239 Method for operating an internal combustion engine, computer program product, computer program, and control and/or regulating device for an internal combustion engine May. 27, 2008
7377256 Method for operating a drive unit May. 27, 2008
7328686 System and method to control cylinder activation and deactivation Feb. 12, 2008
7311079 Engine system and method with cylinder deactivation Dec. 25, 2007
7258101 Automotive catalyst excess oxygen reduction system Aug. 21, 2007
7236874 Torque control apparatus and vehicle control system having the same Jun. 26, 2007
7146958 Control apparatus for hybrid vehicle Dec. 12, 2006
7127346 Dynamic engine pumping work estimation algorithm Oct. 24, 2006
7080625 Engine operation during cylinder deactivation Jul. 25, 2006
7073465 Method and device for operating an internal combustion engine Jul. 11, 2006
7059298 Evaporative fuel processing device for an internal combustion engine Jun. 13, 2006
7051704 Intake air control apparatus and method for internal combustion engine May. 30, 2006
6988487 Fuel injection control device of internal combustion engine Jan. 24, 2006
6978204 Engine system and method with cylinder deactivation Dec. 20, 2005
6883493 Method and device for operating the drive motor of a vehicle Apr. 26, 2005
6876918 Method and apparatus for estimating engine torque Apr. 5, 2005
6863048 Vacuum system for engine with variable valve lift Mar. 8, 2005
6840213 Control apparatus, control method and engine control unit for variable cylinder internal combustion engine Jan. 11, 2005
6830038 Fuel cut control method Dec. 14, 2004
6799113 Method and arrangement for controlling the drive unit of a vehicle Sep. 28, 2004
6769394 Method for controlling the fuel supply to an internal combustion engine Aug. 3, 2004
6758189 Engine revolution control apparatus having overspeed governing capability Jul. 6, 2004
6694956 Control system for internal combustion engine Feb. 24, 2004
6536226 Equalizing tank Mar. 25, 2003
6526745 Internal combustion engine having a variable valve mechanism and control method therefor Mar. 4, 2003
6474297 Fuel breaking/saving device for cars during coasting Nov. 5, 2002
6434453 Engine control system for hybrid vehicle Aug. 13, 2002
6418907 Method and device for the operation of a drive unit on a vehicle Jul. 16, 2002
6394069 Apparatus for controlling internal combustion engine at decelerating state May. 28, 2002
6347513 Method for regenerating a NOx storage catalytic converter for an internal combustion engine Feb. 19, 2002
6317666 Method for analyzing the driveability of motor vehicles Nov. 13, 2001
6273060 Method for improved air-fuel ratio control Aug. 14, 2001
6269793 Internal combustion engine having deceleration fuel shut off and camshaft controlled charge trapping Aug. 7, 2001
6220218 Engine operation control device Apr. 24, 2001
6128899 Exhaust gas purification system for internal combustion engine Oct. 10, 2000
6085717 Fuel control device for cylinder injection type internal combustion engine Jul. 11, 2000
6065446 Method for controlling an internal combustion engine May. 23, 2000
5983857 Engine control system Nov. 16, 1999
5941211 Direct injection spark ignition engine having deceleration fuel shutoff Aug. 24, 1999
5941212 Air-fuel ratio control system for internal combustion engines Aug. 24, 1999
5782221 Method and apparatus for decreasing the load change reactions in a motor vehicle Jul. 21, 1998
5762043 Engine fuel injection controller Jun. 9, 1998
5724940 Method for controlling an internal combustion engine in overrun mode Mar. 10, 1998
5676111 Method and arrangement for controlling the torque of an internal combustion engine Oct. 14, 1997

1 2 3 4


 
 
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