CN106089463A - A kind of guard method of catching fire of gasoline EMS system - Google Patents
A kind of guard method of catching fire of gasoline EMS system Download PDFInfo
- Publication number
- CN106089463A CN106089463A CN201610435035.7A CN201610435035A CN106089463A CN 106089463 A CN106089463 A CN 106089463A CN 201610435035 A CN201610435035 A CN 201610435035A CN 106089463 A CN106089463 A CN 106089463A
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- Prior art keywords
- speed
- limit
- misfire
- ecu
- engine
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000295 fuel oil Substances 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 230000007257 malfunction Effects 0.000 claims abstract description 5
- 230000002085 persistent effect Effects 0.000 claims description 11
- 230000007423 decrease Effects 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/083—Safety, indicating, or supervising devices relating to maintenance, e.g. diagnostic device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
- F02D31/001—Electric control of rotation speed
- F02D31/007—Electric control of rotation speed controlling fuel supply
- F02D31/009—Electric control of rotation speed controlling fuel supply for maximum speed control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
- F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/1015—Engines misfires
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
Present invention is disclosed the guard method of catching fire of a kind of gasoline EMS system; it is applied in the petrol engine EMS system that valve body is mechanical pulling; take the initiative measure when continuous misfire fault occurs in electromotor; actively cut off fuel oil injection to limit the power output of electromotor; protection electromotor and three-element catalytic bag, and flash malfunction indicator lamp prompting user's inspection and repair vehicle.The present invention can be effectively prevented the serious consequence that electromotor occurs causing vehicle to occur during continuous misfire fault, can also reduce disaster hidden-trouble simultaneously.
Description
Technical field
The present invention relates to the guard method of catching fire of a kind of gasoline EMS system, specifically a kind of for mechanical pulling
The guard method of catching fire of the gasoline EMS system of throttle body, belongs to automotive system technical field.
Background technology
Catching fire is the modal a kind of fault of gasoline engine, catches fire and refers to due to spark plug misfire, Low oil Fuel, cylinder seal
Burning in the cylinder that bad or other reason causes is insufficient.Catch fire and not only reduce the dynamic property of automobile engine, economy
Property, more seriously, unburned gaseous mixture can carry out second-time burning after entering exhaustor, and the temperature of exhaustor can rise to
Spending 1000 more, there is disaster hidden-trouble, high temperature also can burn out three-element catalytic bag simultaneously.
And for EMS (engine management) system equipped with electronic air throttle body, ECU (electronic control unit) can be direct
Control the aperture of air throttle, therefore after misfire fault being detected, directly limit the air inflow of electromotor, subtract accordingly simultaneously
Few distributive value, reaches to limit engine output, allows user " walk lamely " to reach the purpose of repair shop.
But, for the EMS system of mechanical pulling throttle body, the aperture of the uncontrollable air throttle of ECU, therefore cannot
Limit the air inflow of electromotor.And in order to reach exhaust emissions environmental protection standard, the distributive value of gasoline engine and air inflow in strict accordance with
Ratio performs, and therefore ECU is in the case of cannot reducing air inflow, it is impossible to one-side minimizing distributive value limits electromotor
Output, the pollutant in tail gas otherwise can be made to exceed standard.
Throttle body is the EMS system of mechanical pulling at present, misfire fault does not carry out the strategy actively protected, only
Have and light OBD(onboard diagnostic system) the passive strategy of trouble light prompting driver.
Summary of the invention
The defect existed in view of above-mentioned prior art, the purpose of the present invention is to propose to the guarantor of catching fire of a kind of gasoline EMS system
Maintaining method, it is possible to when continuous print misfire fault occurs in electromotor, actively cuts off fuel oil injection defeated with the power limiting electromotor
Go out, and flash malfunction indicator lamp prompting driver's inspection and repair vehicle.
The purpose of the present invention, will be achieved by the following technical programs: the protection side that catches fire of a kind of gasoline EMS system
Method, in the gasoline EMS system that valve body is mechanical pulling, when continuous misfire fault occurs in electromotor, with actively cutting
Disconnected fuel oil injection is to limit the power output of electromotor, and checks with flicker malfunction indicator lamp prompting user and repair the mistake of vehicle
Fire guard method,
Guard method of catching fire comprises the following steps:
I, in order to distinguish sporadic misfire fault and continuous misfire fault, increase in ECU program and be provided with an accumulated counts
Variable: ENGINE_SPEED_LIMIT_MISFIRE_COUNT, its default value is 0；
II, when the engine operates, ECU is according to the rate of change of speed of crankshaft, after misfire fault being detected, it is judged that described in catch fire therefore
When barrier is for continuous misfire fault, variable ENGINE_SPEED_LIMIT_MISFIRE_COUNT is carried out accumulated counts；
III, when described variable ENGINE_SPEED_LIMIT_MISFIRE_COUNT numerical value is more than marginal value, one-level limit is started
Speed strategy；Within the one-level speed limit policy definition time, ECU detects misfire fault the most again, then recover normal mode of operation；One
In the level speed limit policy definition time, ECU detects misfire fault again, then start two grades of speed limit strategies；
IV, switch-off, and by resetting after ECU power-off, temporarily recover normal condition, enter vehicle detection program.
Further, the guard method of catching fire of aforesaid gasoline EMS system, in described step II: variable ENGINE_
SPEED_LIMIT_MISFIRE_COUNT accumulated counts process is: when, in the detection cycle, ECU detects that fire loss ratio exceedes
Limit value, this value accumulates 1, otherwise numerical value then reduces 1, and described variable ENGINE_SPEED_LIMIT_MISFIRE_COUNT exists
Can automatically reset when ECU power-off or numerical value are less than 0.
Further, the guard method of catching fire of aforesaid gasoline EMS system, in described step III: when described variable
During ENGINE_SPEED_LIMIT_MISFIRE_COUNT numerical value ＞ marginal value 20, start one-level speed limit strategy.
Further, the guard method of catching fire of aforesaid gasoline EMS system, described one-level speed limit strategy setting has scalar quantity
ENGINE_SPEED_LIMIT_MISFIRE_RPM_0, for restriction rotating speed when catching fire being detected, this value is demarcated as
2500rpm；
ENGINE_SPEED_LIMIT_MISFIRE_TIME0, i.e. catches fire the persistent period, adjusts and reduce rotating speed limit in this time range
Value, this value is demarcated as 60s；
ENGINE_SPEED_LIMIT_MISFIRE_TIME1, its default value is 255s, and the persistent period the most no longer caught fire, at this
Recovering normal oil spout igniting in time range, this value is demarcated as 60s；
Described one-level speed limit strategy is, when engine speed > 2500rpm time, ECU stops the fuel oil supply of each cylinder, until rotating speed
Decline < 2500rpm, recovery fuel oil supply；Meanwhile, there is fault in the OBD trouble light flash for prompting user's electromotor in instrument, and one
The level speed limit strategy persistent period is 60s；.
Within the persistent period of 60s, when ECU detects misfire fault the most again, then recover normal mode of operation；ECU is again
When detecting misfire fault, then start two grades of speed limit strategies.
Further, the guard method of catching fire of aforesaid gasoline EMS system, described two grades of speed limit strategy setting have scalar quantity
ENGINE_SPEED_LIMIT_MISFIRE_RPM_1, its default value is 6550rmp, for secondary restriction rotating speed, this value
It is demarcated as 1500rmp；
Described two grades of speed limit strategies are, when engine speed > 1500rpm time, ECU stops the fuel oil supply of each cylinder, until rotating speed
Decline during 1500rpm, then ECU recovery fuel oil supply.
Further, the guard method of catching fire of aforesaid gasoline EMS system, in described one-level, two grades of speed limit strategies, ECU
Limit the rotating speed of electromotor by cutting off each cylinder fuel-injected strategy, make user that vehicle to be overhauled.
Further, the guard method of catching fire of aforesaid gasoline EMS system, in described step IV, by key switch pair
ECU carries out power-off restoration, temporarily recovers to normal condition.
The present invention, its prominent effect is: the present invention is by setting up variable in gasoline EMS system, and is controlled by system,
Can actively cut off fuel oil injection and export with the power limiting electromotor when continuous misfire fault occurs in electromotor, and flash
Malfunction indicator lamp prompting driver check and repair vehicle.When the present invention can be effectively prevented electromotor appearance continuous misfire fault
Cause the serious consequence that vehicle occurs, disaster hidden-trouble can also be reduced simultaneously.
Hereinafter accompanying drawing the most in conjunction with the embodiments, is described in further detail the detailed description of the invention of the present invention, so that the present invention
Technical scheme is more readily understood, grasps.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the present invention.
Detailed description of the invention
Embodiment 1
The present invention applies in IVECO Little lucky star LJ469 series vehicle that (bulletin vehicle number is NJ1022PBGBNZ/
NJ1022PBGBNS1/ NJ5022XXYPBGBNS), as a example by NJ1022PBGBNZ vehicle, when the engine operates, ECU meeting one
The straight position signalling detecting bent axle.When air throttle is in open mode, by calculating the bent axle acceleration in several setting positions
Degree positive and negative values, it can be determined that go out whether this cycle of operation exists phenomenon of catching fire (accekeration catch fire for negative explanation existence phenomenon).
In units of 50 cycle of operation, carry out continuous detecting, when the overall fire loss ratio of electromotor > 10% time, it is judged that for catching fire continuously therefore
Barrier, carries out accumulated counts to variable ENGINE_SPEED_LIMIT_MISFIRE_COUNT；Wherein, variable ENGINE_SPEED_
LIMIT_MISFIRE_COUNT accumulated counts process is: when, in the detection cycle, both 50 cycle of operation, ECU detects mistake
When fire rate is more than 10%, this value accumulates 1, otherwise numerical value then reduces 1, and variable ENGINE_SPEED_LIMIT_
MISFIRE_COUNT can automatically reset when being less than 0 in ECU power-off or numerical value.
When variable ENGINE_SPEED_LIMIT_MISFIRE_COUNT numerical value ＞ marginal value 20, start one-level speed limit plan
Slightly.
Wherein, one-level speed limit strategy setting has scalar quantity ENGINE_SPEED_LIMIT_MISFIRE_RPM_0, is used for examining
Measuring restriction rotating speed when catching fire, this value is demarcated as 2500rpm；Scalar quantity ENGINE_SPEED_LIMIT_MISFIRE_
TIME0, i.e. catches fire the persistent period, adjusts and reduce rotational speed limit in this time range, and this value is demarcated as 60s；
Scalar quantity ENGINE_SPEED_LIMIT_MISFIRE_TIME1, its default value is 255s, the most no longer catch fire lasting time
Between, in this time range, recover normal oil spout igniting, this value is demarcated as 60s；
One-level speed limit strategy is: when engine speed>2500rpm time, ECU stop each cylinder fuel oil supply, until rotating speed decline<
2500rpm, recovers fuel oil supply；Meanwhile, there is fault in the OBD trouble light flash for prompting user's electromotor in instrument, and one-level limits
The speed strategy persistent period is 60s.
Within the persistent period of 60s, when ECU detects misfire fault the most again, then recover normal mode of operation；ECU is again
When detecting misfire fault, then start two grades of speed limit strategies.
And two grades of speed limit strategies are provided with scalar quantity:
ENGINE_SPEED_LIMIT_MISFIRE_RPM_1, for secondary restriction rotating speed, this value is demarcated as 1500rmp；
These two grades of speed limit strategies are, when engine speed > 1500rpm time, ECU stops the fuel oil supply of each cylinder, until under rotating speed
< during 1500rpm, then ECU recovers fuel oil supply to fall.
Finally, when two grades of speed limit strategies also cannot success time, then there is switch-off state, passes through key switch in electromotor
Reset after ECU is carried out, temporarily recover normal condition, and enter vehicle detection program.
Claims (7)
1. the guard method of catching fire of a gasoline EMS system, it is characterised in that: at the gasoline EMS that valve body is mechanical pulling
In system, when continuous misfire fault occurs in electromotor, export with the power limiting electromotor with actively cutting off fuel oil injection,
And check with flicker malfunction indicator lamp prompting user and repair the guard method of catching fire of vehicle,
Described guard method of catching fire comprises the following steps:
I, in order to distinguish sporadic misfire fault and continuous misfire fault, increase in ECU program and be provided with an accumulated counts
Variable: ENGINE_SPEED_LIMIT_MISFIRE_COUNT, its default value is 0；
II, when the engine operates, ECU is according to the rate of change of speed of crankshaft, after misfire fault being detected, it is judged that described in catch fire therefore
When barrier is for continuous misfire fault, variable ENGINE_SPEED_LIMIT_MISFIRE_COUNT is carried out accumulated counts；
III, when described variable ENGINE_SPEED_LIMIT_MISFIRE_COUNT numerical value is more than marginal value, one-level limit is started
Speed strategy；Within the one-level speed limit policy definition time, ECU detects misfire fault the most again, then recover normal mode of operation；One
In the level speed limit policy definition time, ECU detects misfire fault again, then start two grades of speed limit strategies；
IV, switch-off, and by resetting after ECU power-off, temporarily recover normal condition, enter vehicle detection program.
The guard method of catching fire of gasoline EMS system the most according to claim 1, it is characterised in that: in described step II: become
Amount ENGINE_SPEED_LIMIT_MISFIRE_COUNT accumulated counts process is: when, in the detection cycle, ECU detects mistake
Fire rate exceedes limit value, and this value accumulates 1, otherwise numerical value then reduces 1, described variable ENGINE_SPEED_LIMIT_
MISFIRE_COUNT can automatically reset when being less than 0 in ECU power-off or numerical value.
The guard method of catching fire of gasoline EMS system the most according to claim 1, it is characterised in that: in described step III: when
During described variable ENGINE_SPEED_LIMIT_MISFIRE_COUNT numerical value ＞ marginal value 20, start one-level speed limit strategy.
The guard method of catching fire of gasoline EMS system the most according to claim 1, it is characterised in that: described one-level speed limit plan
Slightly it is provided with scalar quantity ENGINE_SPEED_LIMIT_MISFIRE_RPM_0, for restriction rotating speed when catching fire being detected, should
Value is demarcated as 2500rpm；
ENGINE_SPEED_LIMIT_MISFIRE_TIME0, i.e. catches fire the persistent period, adjusts and reduce rotating speed limit in this time range
Value, this value is demarcated as 60s；
ENGINE_SPEED_LIMIT_MISFIRE_TIME1, its default value is 255s, and the persistent period the most no longer caught fire, at this
Recovering normal oil spout igniting in time range, this value is demarcated as 60s；
Described one-level speed limit strategy is, when engine speed > 2500rpm time, ECU stops the fuel oil supply of each cylinder, until rotating speed
Decline < 2500rpm, recovery fuel oil supply；Meanwhile, there is fault in the OBD trouble light flash for prompting user's electromotor in instrument, and one
The level speed limit strategy persistent period is 60s；
Within the persistent period of 60s, when ECU detects misfire fault the most again, then recover normal mode of operation；ECU detects again
When going out misfire fault, then start two grades of speed limit strategies.
The guard method of catching fire of gasoline EMS system the most according to claim 1, it is characterised in that: described two grades of speed limit plans
Slightly being provided with scalar quantity ENGINE_SPEED_LIMIT_MISFIRE_RPM_1, its default value is 6550rmp, for secondary
Limiting rotating speed, this value is demarcated as 1500rmp；
Described two grades of speed limit strategies are, when engine speed > 1500rpm time, ECU stops the fuel oil supply of each cylinder, until rotating speed
Decline during 1500rpm, then ECU recovery fuel oil supply.
The guard method of catching fire of gasoline EMS system the most according to claim 1, it is characterised in that: described one-level, two grades of limits
In speed strategy, ECU limits the rotating speed of electromotor by cutting off each cylinder fuel-injected strategy, makes user overhaul vehicle.
The guard method of catching fire of gasoline EMS system the most according to claim 1, it is characterised in that: in described step IV, logical
Cross key switch and ECU is carried out power-off restoration, temporarily recover to normal condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610435035.7A CN106089463B (en) | 2016-06-17 | 2016-06-17 | Fire protection method of gasoline EMS system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610435035.7A CN106089463B (en) | 2016-06-17 | 2016-06-17 | Fire protection method of gasoline EMS system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106089463A true CN106089463A (en) | 2016-11-09 |
| CN106089463B CN106089463B (en) | 2021-01-05 |
Family
ID=57236549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610435035.7A Expired - Fee Related CN106089463B (en) | 2016-06-17 | 2016-06-17 | Fire protection method of gasoline EMS system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106089463B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803181A (en) * | 2021-08-06 | 2021-12-17 | 广西玉柴机器股份有限公司 | Fire protection strategy for national six natural gas engine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4962740A (en) * | 1988-08-29 | 1990-10-16 | Mitsubishi Denki Kabushiki Kaisha | Fuel controller for internal combustion engine |
| US5343844A (en) * | 1990-06-25 | 1994-09-06 | Mitsubishi Denki Kabushiki Kaisha | Apparatus and method for detecting misfiring in an internal combustion engine |
| US20020134357A1 (en) * | 2001-03-26 | 2002-09-26 | White Vincent A. | Engine converter misfire protection method and apparatus |
| JP2003009730A (en) * | 2001-07-02 | 2003-01-14 | Shimano Inc | Reel main body for spinning reel |
| US20060112932A1 (en) * | 2004-11-30 | 2006-06-01 | Katsuhiko Toyoda | Misfire detector for multi-cylinder engine |
| JP2007023834A (en) * | 2005-07-13 | 2007-02-01 | Toyota Motor Corp | Control device of internal combustion engine |
| US20080250850A1 (en) * | 2007-03-27 | 2008-10-16 | Marvin Lynch | Method and System for Misfire Detection |
| US20150143883A1 (en) * | 2013-11-22 | 2015-05-28 | Hyundai Motor Company | Method and apparatus for detecting misfire of engine |
-
2016
- 2016-06-17 CN CN201610435035.7A patent/CN106089463B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4962740A (en) * | 1988-08-29 | 1990-10-16 | Mitsubishi Denki Kabushiki Kaisha | Fuel controller for internal combustion engine |
| US5343844A (en) * | 1990-06-25 | 1994-09-06 | Mitsubishi Denki Kabushiki Kaisha | Apparatus and method for detecting misfiring in an internal combustion engine |
| US20020134357A1 (en) * | 2001-03-26 | 2002-09-26 | White Vincent A. | Engine converter misfire protection method and apparatus |
| JP2003009730A (en) * | 2001-07-02 | 2003-01-14 | Shimano Inc | Reel main body for spinning reel |
| US20060112932A1 (en) * | 2004-11-30 | 2006-06-01 | Katsuhiko Toyoda | Misfire detector for multi-cylinder engine |
| JP2007023834A (en) * | 2005-07-13 | 2007-02-01 | Toyota Motor Corp | Control device of internal combustion engine |
| US20080250850A1 (en) * | 2007-03-27 | 2008-10-16 | Marvin Lynch | Method and System for Misfire Detection |
| US20150143883A1 (en) * | 2013-11-22 | 2015-05-28 | Hyundai Motor Company | Method and apparatus for detecting misfire of engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803181A (en) * | 2021-08-06 | 2021-12-17 | 广西玉柴机器股份有限公司 | Fire protection strategy for national six natural gas engine |
| CN113803181B (en) * | 2021-08-06 | 2023-07-11 | 广西玉柴机器股份有限公司 | Fire protection strategy for national six-natural gas engine |
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| CN106089463B (en) | 2021-01-05 |
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Effective date of registration: 20180724 Address after: No. 2500, Yangpu District military road, Shanghai, Shanghai Applicant after: SAIC MAXUS AUTOMOTIVE CO., LTD. Address before: No. 100, black ink camp, Nanjing, Jiangsu, Jiangsu Applicant before: Nanjing Iveco Automobile Co., Ltd. |
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