Patents for F02P 5 - Advancing or retarding electric ignition spark; Control therefor (9,022)
12/1991
12/03/1991US5069182 Ignition timing control apparatus for an engine
11/1991
11/28/1991DE4027625A1 IC engine ignition timing control - uses actual compression ratio of each engine cylinder determined prior to engine operation
11/26/1991US5067579 Slip control system for a vehicle provided with an internal combustion engine
11/26/1991US5067463 Method and apparatus for operating an engine
11/24/1991CA2040986A1 System to prevent reverse engine operation
11/21/1991DE4015992A1 Detecting and measuring internal combustion engine knocking - by evaluating sensor signals w.r.t. combination of characteristics to achieve improved knock detection eliminating faulty decisions
11/19/1991US5065724 Ignition timing control apparatus for internal combustion engine
11/19/1991US5065723 Marine propulsion device with spark timing and fuel supply control mechanism
11/19/1991CA2040706A1 Internal combustion engine
11/14/1991DE4015258A1 Four stroke engine fuel injection and ignition controller - uses ROM contg. corrections for timing signals supplied by mass produced electronic signal source
11/13/1991EP0456392A2 Control method for an internal combustion engine and electronic control apparatus therefor
11/12/1991US5063902 Ignition timing controlling apparatus for internal combustion engine
11/12/1991US5063901 Diagnosis system and optimum control system for internal combustion engine
11/05/1991US5063510 Process for the adaptive control of an internal-combustion engine and/or another drive component of a motor vehicle
11/05/1991US5062403 Internal combustion engine
11/05/1991US5062402 Knocking control apparatus of internal combustion engine
10/1991
10/31/1991WO1991016529A1 Means for controlling exhaust temperature on a catalytically purified combustion engine
10/30/1991EP0454165A2 New polymers, optical transmitting systems and optical members and their use
10/29/1991US5060615 Knock sensing apparatus for an internal combustion engine
10/22/1991US5058552 Engine control apparatus
10/22/1991US5058550 Method for determining the control values of a multicylinder internal combustion engine and apparatus therefor
10/17/1991WO1991015676A1 Process for adjusting the ignition timing as the load changes
10/16/1991EP0451462A1 Lean burn internal combustion engine
10/16/1991EP0280696B1 Device for controlling an internal combustion engine
10/15/1991US5058021 Distributorless ignition system with dwell control
10/15/1991US5056485 Crank angle sensor and ignition timing control system using same
10/15/1991US5056309 Internal combustion engine, particularly otto engine
10/10/1991DE4011386A1 Verfahren zur zuendwinkelverstellung bei lastaenderungen Method for Ignition timing at lastaenderungen
10/10/1991DE4010808A1 Stabilising IC engine idling speed - combining calculated fuel injection time with simultaneously calculated ignition interval variation
10/09/1991EP0449808A1 Adaptive acceleration knock control.
10/09/1991CN2086313U Electronic ignition device of automobile
10/08/1991US5056026 User modifiable fuel injection computer
10/08/1991US5054448 Knocking suppression apparatus for an internal combustion engine
10/08/1991US5054447 Ignition timing control device and method for an internal combustion engine
10/02/1991EP0449308A1 Engine with a multiple ignition device
10/02/1991DE4009792A1 Vibration control for transmission in vehicle - has ignition timing correction to suppress uneven running
10/02/1991DE4009791A1 Vibration damping for transmission of vehicle - with selective switching between preset ignition programs
10/01/1991US5052358 Cylinder recognition apparatus for an internal combustion engine
09/1991
09/25/1991EP0447393A1 Method and apparatus for controlling the torque of an engine.
09/24/1991US5050556 Control system for an internal combustion engine
09/24/1991US5050555 System and method for controlling ignition timing for internal combustion engine in which alcohol is mixed with gasoline
09/24/1991US5050554 Ignition timing control apparatus for engines
09/24/1991US5050553 Capacitor ignition system
09/24/1991US5050551 System for controlling ignition timing and fuel injection timing of a two-cycle engine
09/24/1991US5050461 Assist device for shift operation of marine propulsion system
09/19/1991WO1991014097A1 Process for adaptive knock control in an internal combustion engine
09/18/1991EP0446376A1 Apparatus for controlling the occurrence of engine knocking
09/17/1991US5050082 System for controlling automotive automatic transmission
09/17/1991US5048487 Ignition timing control system for internal combustion engine
09/17/1991US5048486 Ignition circuit with timing control
09/17/1991US5048372 Transmission gear position dependent output control system for automotive internal combustion engine
09/12/1991DE4106249A1 Catalytic cleaning set=up for exhaust gas of IC engine - has two catalytic converters with series connection in starting phase and parallel operation in normal conditions
09/11/1991EP0445817A2 A control device for an internal combustion engine
09/10/1991US5047943 System and method for detecting engine revolution speed, identifying engine cylinder, and controlling engine operation according to detected engine revolution speed and identified cylinder
09/05/1991WO1991013248A1 Engine condition determining and operating method
08/1991
08/28/1991EP0443714A2 A method and apparatus for processing electrical signals and a stress wave sensor
08/28/1991EP0443708A2 An apparatus for controlling an internal combustion engine
08/22/1991DE4004516A1 IC engine control and activity information processing method - using multiple controlling to process information etc. in different planes independently
08/21/1991EP0371031B1 Injection and ignition in fuel injected spark ignition engines
08/20/1991US5040519 System to prevent reverse engine operation
08/20/1991US5040510 Method for controlling knocking in internal combustion engines
08/20/1991US5040509 Control system for controlling spark timing for engine
08/20/1991CA1287899C Crankshaft angle sensing system
08/14/1991EP0441522A2 Control device for an automobile
08/13/1991US5038883 Traction control device for a vehicle
08/13/1991US5038743 Dual schedule ignition system
08/13/1991US5038737 Control apparatus for an internal combustion engine
08/13/1991US5038736 Method for controlling ignition timing of an internal combustion engine
08/13/1991US5038735 Knock suppression apparatus and method for a multi-cylinder internal combustion engine
08/06/1991US5036802 Reverse rotation engine
08/06/1991US5036669 Apparatus and method for controlling the air/fuel ratio of an internal combustion engine
08/01/1991DE4001477A1 System controls engine knocking - modifying specified characteristics of each working point when knocking is detected
08/01/1991DE4001476A1 Engine knocking control system - uses short and long term adaption and modification figure derived from control excursions
08/01/1991DE4001474A1 Klopfregelung einer fremdgezuendeten brennkraftmaschine Knock control a fremdgezuendeten internal combustion engine
07/1991
07/30/1991US5035219 Method for controlling ignition timing of an internal combustion engine
07/25/1991WO1991010829A1 Knock control system of a spark ignition internal combustion engine
07/24/1991EP0419553A4 Method of operating an engine and measuring certain engine parameters
07/23/1991US5033434 Method of controlling an internal combustion engine
07/23/1991US5033417 Method for operating a spark-ignition internal combustion engine of a vehicle and a spark-ignition internal combustion engine of a vehicle operating according to this method
07/23/1991CA1286557C Controlling emissions from two stroke engines
07/09/1991US5029567 Internal combustion engine ignition system and cleaning device
07/09/1991US5029566 Knock suppression apparatus for an internal combustion engine
07/09/1991US5029565 Spark ignited internal combustion engine and a control system therefor
07/03/1991EP0434673A1 Knock control in internal combustion engines.
07/03/1991CN2080105U Electronic igniting device
07/02/1991US5027775 Apparatus for controlling combustion condition
07/02/1991US5027774 Spark ignition engines
07/02/1991US5027773 Control device for an internal combustion engine
07/02/1991US5027772 Engine knock control system
07/02/1991US5027771 Method and apparatus for controlling ignition timing for marine engine
07/02/1991US5027770 Ignition controller
06/1991
06/27/1991WO1991010064A1 Apparatus and method for controlling the air/fuel ratio of an internal combustion engine
06/27/1991CA2042365A1 Apparatus and method for controlling the air/fuel ratio of an internal combustion engine
06/26/1991EP0433632A1 Method to control an internal combustion engine without throttle
06/19/1991CN2079223U Vacuum advance pressure relief device for gasoline engine
06/19/1991CN2079221U Smok limiter corrector for pressure-increased diesel
06/18/1991US5024204 Capacitive discharge ignition system with continuous timing advance
06/18/1991CA1285017C Electronic ignition system
06/18/1991CA1284894C Method of weed control using diflufenican
06/11/1991US5023794 Method and apparatus for an internal combustion engine with learning closed-loop control
1 ... 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 ... 91