GB2351563B - Air/fuel ratio control system - Google Patents
Air/fuel ratio control systemInfo
- Publication number
- GB2351563B GB2351563B GB0011155A GB0011155A GB2351563B GB 2351563 B GB2351563 B GB 2351563B GB 0011155 A GB0011155 A GB 0011155A GB 0011155 A GB0011155 A GB 0011155A GB 2351563 B GB2351563 B GB 2351563B
- Authority
- GB
- United Kingdom
- Prior art keywords
- air
- control system
- fuel ratio
- ratio control
- fuel
- Prior art date
- 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.)
- Expired - Fee Related
Links
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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/0065—Specific aspects of external EGR control
- F02D41/0072—Estimating, calculating or determining the EGR rate, amount or flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/363—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction with electrical or electro-mechanical indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
- G01F9/001—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine with electric, electro-mechanic or electronic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
- G01F9/02—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine wherein the other variable is the speed of a vehicle
- G01F9/023—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine wherein the other variable is the speed of a vehicle with electric, electro-mechanic or electronic means
-
- 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
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/090,125 US6138504A (en) | 1998-06-04 | 1998-06-04 | Air/fuel ratio control system |
GB9912595A GB2338070B (en) | 1998-06-04 | 1999-06-01 | Air/fuel ratio control system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0011155D0 GB0011155D0 (en) | 2000-06-28 |
GB2351563A GB2351563A (en) | 2001-01-03 |
GB2351563B true GB2351563B (en) | 2001-06-27 |
Family
ID=27269736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0011155A Expired - Fee Related GB2351563B (en) | 1998-06-04 | 1999-06-01 | Air/fuel ratio control system |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2351563B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017209127A1 (en) * | 2017-05-31 | 2018-12-06 | Robert Bosch Gmbh | Method for calculating a mass flow from a tank ventilation system into a suction pipe of an internal combustion engine |
IT201800004431A1 (en) * | 2018-04-12 | 2019-10-12 | DEVICE AND METHOD OF CONTROL OF AN INTERNAL COMBUSTION ENGINE WITH COMMANDED IGNITION |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5677543A (en) * | 1979-11-29 | 1981-06-25 | Toyota Motor Corp | Exhaust gas recirculation controller |
US5390649A (en) * | 1992-06-05 | 1995-02-21 | Siemens Aktiengesellschaft | Method for controlling an internal combustion engine operating with exhaust gas recirculation |
US5613479A (en) * | 1995-12-08 | 1997-03-25 | Ford Motor Company | Pressure feedback exhaust gas recirculation system |
-
1999
- 1999-06-01 GB GB0011155A patent/GB2351563B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5677543A (en) * | 1979-11-29 | 1981-06-25 | Toyota Motor Corp | Exhaust gas recirculation controller |
US5390649A (en) * | 1992-06-05 | 1995-02-21 | Siemens Aktiengesellschaft | Method for controlling an internal combustion engine operating with exhaust gas recirculation |
US5613479A (en) * | 1995-12-08 | 1997-03-25 | Ford Motor Company | Pressure feedback exhaust gas recirculation system |
Also Published As
Publication number | Publication date |
---|---|
GB2351563A (en) | 2001-01-03 |
GB0011155D0 (en) | 2000-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20030601 |
|
728V | Application for restoration filed (sect. 28/1977) | ||
7281 | Application for restoration withdrawn (sect. 28/1977) |