JPH11148418A - 燃焼センサーフィードバック装置の診断装置と方法 - Google Patents

燃焼センサーフィードバック装置の診断装置と方法

Info

Publication number: JPH11148418A
Authority: JP; Japan
Prior art keywords: combustion; voltage level; conductive path; detected; controller
Prior art date: 1997-09-17
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

JP26170498A

Other languages

English (en)

Japanese (ja)

Inventor

George W Mattson

ダブリューマットソンジョージ

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Caterpillar Inc

Original Assignee

Caterpillar Inc

Priority date (The priority date 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 date listed.)

1997-09-17

Filing date

1998-09-16

Publication date

1999-06-02

1998-09-16 Application filed by Caterpillar Inc filed Critical Caterpillar Inc

1999-06-02 Publication of JPH11148418A publication Critical patent/JPH11148418A/ja

Status Withdrawn legal-status Critical Current

Links

238000002485 combustion reaction Methods 0.000 title claims abstract description 105
238000000034 method Methods 0.000 title claims description 18
238000001514 detection method Methods 0.000 claims description 4
230000003287 optical effect Effects 0.000 claims description 2
239000000523 sample Substances 0.000 abstract description 11
238000005260 corrosion Methods 0.000 abstract description 2
230000007797 corrosion Effects 0.000 abstract description 2
239000000446 fuel Substances 0.000 description 10
239000000203 mixture Substances 0.000 description 8
230000003628 erosive effect Effects 0.000 description 3
230000008439 repair process Effects 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
230000008901 benefit Effects 0.000 description 2
230000005540 biological transmission Effects 0.000 description 2
239000012530 fluid Substances 0.000 description 2
238000012423 maintenance Methods 0.000 description 2
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
239000003921 oil Substances 0.000 description 2
239000003507 refrigerant Substances 0.000 description 2
230000004044 response Effects 0.000 description 2
238000012360 testing method Methods 0.000 description 2
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
238000010276 construction Methods 0.000 description 1
239000002826 coolant Substances 0.000 description 1
239000002283 diesel fuel Substances 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
238000009413 insulation Methods 0.000 description 1
230000035515 penetration Effects 0.000 description 1
238000010248 power generation Methods 0.000 description 1
230000008569 process Effects 0.000 description 1
230000000644 propagated effect Effects 0.000 description 1
230000011664 signaling Effects 0.000 description 1
230000007480 spreading 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
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/022—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using an optical sensor, e.g. in-cylinder light probe
- 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
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1493—Details
- F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/021—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using an ionic current sensor

Landscapes

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)
Testing Of Engines (AREA)
Ignition Installations For Internal Combustion Engines (AREA)

JP26170498A 1997-09-17 1998-09-16 燃焼センサーフィードバック装置の診断装置と方法 Withdrawn JPH11148418A (ja)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US93258097A	1997-09-17	1997-09-17
US08/932580		1997-09-17

Publications (1)

Publication Number	Publication Date
JPH11148418A true JPH11148418A (ja)	1999-06-02

Family

ID=25462536

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP26170498A Withdrawn JPH11148418A (ja)	1997-09-17	1998-09-16	燃焼センサーフィードバック装置の診断装置と方法

Country Status (2)

Country	Link
EP (1)	EP0903486A2 (de)
JP (1)	JPH11148418A (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5036669A (en)	1989-12-26	1991-08-06	Caterpillar Inc.	Apparatus and method for controlling the air/fuel ratio of an internal combustion engine
US5041980A (en)	1990-06-04	1991-08-20	Caterpillar Inc.	Method and apparatus for producing fault signals responsive to malfunctions in individual engine cylinders
US5392641A (en)	1993-03-08	1995-02-28	Chrysler Corporation	Ionization misfire detection apparatus and method for an internal combustion engine
GB2282221A (en)	1993-09-22	1995-03-29	Rolls Royce Plc	A flame detector

1998
- 1998-08-04 EP EP19980306229 patent/EP0903486A2/de not_active Withdrawn
- 1998-09-16 JP JP26170498A patent/JPH11148418A/ja not_active Withdrawn

Also Published As

Publication number	Publication date
EP0903486A2 (de)	1999-03-24

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Legal Events

Date

Code

Title

Description

2006-01-10

A300

Withdrawal of application because of no request for examination

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 20060110