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Class Information
Number: 123/493
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) > Deceleration condition responsive
Description: Subject matter wherein said circuit responds to an engine "deceleration" condition, generally denoted by high manifold vacuum and rpm above idle, signifying a rapid power decline of the engine, or where the engine is driven by the load.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
4961411 Fuel control apparatus Oct. 9, 1990
4957088 Fuel injection control system for an automotive engine Sep. 18, 1990
4951635 Fuel injection control system for internal combustion engine with compensation of overshooting in monitoring of engine load Aug. 28, 1990
4949693 Fuel injection control device of an engine Aug. 21, 1990
4944358 Driving wheel slip control system for vehicles Jul. 31, 1990
4938188 Engine control apparatus Jul. 3, 1990
4938187 Fuel control apparatus for engine Jul. 3, 1990
4932382 Fuel control system Jun. 12, 1990
4932380 Fuel injection controller for an internal-combustion engine Jun. 12, 1990
4932376 Control system for the transient operation of an internal combustion engine Jun. 12, 1990
4922877 System and method for controlling fuel injection quantity for internal combustion engine May. 8, 1990
4920941 Fuel injection control apparatus May. 1, 1990
4919094 Engine control apparatus Apr. 24, 1990
4919100 Fuel injection control system for an automotive engine Apr. 24, 1990
4919101 Fuel supply control system for internal combustion engines Apr. 24, 1990
4896644 System and method for controlling a fuel supply to an internal combustion engine Jan. 30, 1990
4897791 Asynchronous fuel injection method Jan. 30, 1990
4887575 System and method for controlling a mixture ratio of air-fuel mixture supplied to an internal combustion engine Dec. 19, 1989
4886030 Method of and system for controlling fuel injection rate in an internal combustion engine Dec. 12, 1989
4884548 Fuel injection control system for an automotive engine Dec. 5, 1989
4864999 Fuel control apparatus for engine Sep. 12, 1989
4862369 Electronically-controlled fuel injection system Aug. 29, 1989
4860211 Air fuel ratio control apparatus Aug. 22, 1989
4858136 Method of and apparatus for controlling fuel injection quantity for internal combustion engine Aug. 15, 1989
4852538 Fuel injection control system for internal combustion engine Aug. 1, 1989
4841447 System for controlling idling speed in internal combustion engine for vehicle with automatic transmission Jun. 20, 1989
4837698 Method of controlling air-fuel ratio Jun. 6, 1989
4827887 Adaptive charge mixture control system for internal combustion engine May. 9, 1989
4800860 Fuel injection control system for internal combustion engine with precisely engine load dependent fuel injection amount adjustment feature Jan. 31, 1989
4790275 Fuel supply cut-off control system for engine of an automotive vehicle Dec. 13, 1988
4790282 Fuel supply control apparatus for internal combustion engine Dec. 13, 1988
4784103 Method for controlling fuel injection for automotive engines Nov. 15, 1988
4781163 Fuel injection system Nov. 1, 1988
4771752 Control system for internal combustion engines Sep. 20, 1988
4765297 Internal-combustion engine having at least two intake valves per cylinder Aug. 23, 1988
4747387 Electronic fuel injection control device for internal combustion engines May. 31, 1988
4736725 Fuel injection system for internal combustion engine Apr. 12, 1988
4730587 Control device of an internal combustion engine Mar. 15, 1988
4729354 Fuel supply control system for use in engine Mar. 8, 1988
4727846 Method of controlling fuel supply to an internal combustion engine at deceleration Mar. 1, 1988
4723524 Fuel injection controlling method for an internal combustion engine Feb. 9, 1988
4721083 Electronic control system for internal combustion engine with stall preventive feature and method for performing stall preventive engine control Jan. 26, 1988
4706633 Air/fuel ratio feedback control system adapted to temporary open-loop control under transient conditions Nov. 17, 1987
4696278 Method and device for control of internal combustion engine at end of fuel cut off Sep. 29, 1987
4694807 Fuel injection control system for internal combustion engine with asynchronous fuel injection for fuel supply resumption following temporary fuel cut-off Sep. 22, 1987
4694796 System and method for controlling fuel supply to a vehicular internal combustion engine with fuel supply cutoff function Sep. 22, 1987
4690114 Speed governing system for a fuel injected internal combustion engine, especially a diesel engine Sep. 1, 1987
4690117 Fuel injection control device for internal combustion engine Sep. 1, 1987
4674458 System and method for supplying fuel to a vehicular internal combustion engine Jun. 23, 1987
4671241 Method for controlling the fuel supply of an internal combustion engine Jun. 9, 1987

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