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