ZA914089B - Engine diagnostic apparatus and method - Google Patents

Engine diagnostic apparatus and method

Info

Publication number
ZA914089B
ZA914089B ZA914089A ZA914089A ZA914089B ZA 914089 B ZA914089 B ZA 914089B ZA 914089 A ZA914089 A ZA 914089A ZA 914089 A ZA914089 A ZA 914089A ZA 914089 B ZA914089 B ZA 914089B
Authority
ZA
South Africa
Prior art keywords
diagnostic apparatus
engine diagnostic
engine
diagnostic
Prior art date
Application number
ZA914089A
Other languages
English (en)
Inventor
James B Maddock
B Maddock James
Bradley W Harrell
W Harrell Bradley
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.)
Filing date
Publication date
Application filed by Caterpillar Inc filed Critical Caterpillar Inc
Publication of ZA914089B publication Critical patent/ZA914089B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/11—Testing internal-combustion engines by detecting misfire

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Testing Of Engines (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Fuel Cell (AREA)
ZA914089A 1990-06-04 1991-05-29 Engine diagnostic apparatus and method ZA914089B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/533,209 US5041980A (en) 1990-06-04 1990-06-04 Method and apparatus for producing fault signals responsive to malfunctions in individual engine cylinders

Publications (1)

Publication Number Publication Date
ZA914089B true ZA914089B (en) 1992-03-25

Family

ID=24124967

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA914089A ZA914089B (en) 1990-06-04 1991-05-29 Engine diagnostic apparatus and method

Country Status (8)

Country Link
US (1) US5041980A (xx)
EP (1) EP0485523A4 (xx)
JP (1) JPH05500096A (xx)
AU (1) AU644103B2 (xx)
CA (1) CA2062769A1 (xx)
MX (1) MX171977B (xx)
WO (1) WO1991019260A1 (xx)
ZA (1) ZA914089B (xx)

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JPH06174600A (ja) * 1992-09-16 1994-06-24 Caterpillar Inc 状態変化を表示する方法および装置
JPH06213061A (ja) * 1992-09-16 1994-08-02 Caterpillar Inc 入力を選択的に監視する方法及び装置
US5327344A (en) * 1992-09-16 1994-07-05 Caterpillar Inc. Method and apparatus for reconfiguring a computerized monitoring system
US5369392A (en) * 1992-09-16 1994-11-29 Caterpillar Inc. Method and apparatus for indicating faults in switch-type inputs
US5446664A (en) * 1992-10-07 1995-08-29 Spx Corporation Method and apparatus for diagnosing faulty cylinders in internal combustion engines
US5447061A (en) * 1992-10-08 1995-09-05 Fuji Jukogyo Kabushiki Kaisha Misfire detection method for engine
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US5345817A (en) * 1993-02-22 1994-09-13 General Motors Corporation Misfire detection in internal combustion engines
JP2871408B2 (ja) * 1993-08-02 1999-03-17 日産自動車株式会社 内燃機関出力制御装置
JP2807738B2 (ja) * 1993-10-15 1998-10-08 本田技研工業株式会社 内燃エンジンの燃焼状態検出装置
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JP3070652B2 (ja) * 1993-11-29 2000-07-31 株式会社日立製作所 多気筒エンジンの燃焼状態診断装置及び診断方法
US5365780A (en) * 1993-12-27 1994-11-22 Ford Motor Company Misfire detection in internal combustion engine with overlapping power strokes
DE4406606A1 (de) * 1994-03-01 1995-09-07 Audi Ag Adaptionsvorrichtung für ein Geberrad an einem Verbrennungsmotor
JP3203463B2 (ja) * 1994-04-11 2001-08-27 株式会社ユニシアジェックス 車両の悪路走行検出装置及び車両用エンジンの失火検出装置
US5508927A (en) * 1994-07-25 1996-04-16 Motorola, Inc. Apparatus and method for variable windowed peak detection in a misfire detection system
US5574217A (en) * 1995-06-06 1996-11-12 Chrysler Corporation Engine misfire detection with compensation for normal acceleration of crankshaft
DE19535094B4 (de) * 1995-09-21 2005-06-02 Robert Bosch Gmbh Verfahren zur Verbrennungsaussetzererkennung an einem oder mehreren dauernd aussetzenden Zylindern
US5728941A (en) * 1995-10-09 1998-03-17 Denso Corporation Misfire detecting apparatus using difference in engine rotation speed variance
EP0868660B1 (de) * 1995-12-21 2003-10-22 Siemens Aktiengesellschaft Verfahren zur erkennung zyklischer verbrennungsschwankungen bei einer brennkraftmaschine
KR200146836Y1 (ko) * 1996-06-05 1999-06-15 류정열 노킹 보정 시스템
US5819197A (en) * 1996-10-15 1998-10-06 Chrysler Corporation Method of misfire detection for an internal combustion engine
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US5983866A (en) 1997-10-27 1999-11-16 Caterpillar Inc. Diagnostic apparatus and method for a combustion sensor feedback system
US6185996B1 (en) * 1997-11-14 2001-02-13 Cummins Engine Company, Inc. System and method for diagnosing output power of an internal combustion engine
US5979407A (en) * 1998-06-01 1999-11-09 Cummins Engine Company, Inc. Passive and active misfire diagnosis for internal combustion engines
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DE19963457B4 (de) * 1999-12-28 2009-10-29 Robert Bosch Gmbh Überwachung der Wirkungskette einer Zylinderabschaltung bei mehrzylindrigen Brennkraftmaschinen
US7010460B2 (en) * 2003-10-30 2006-03-07 Snap-On Incorporated Reciprocating engine cylinder contribution tester and method
AU2006231646A1 (en) * 2005-04-06 2006-10-12 Exelixis, Inc. C-Met modulators and methods of use
US7469575B2 (en) * 2006-10-31 2008-12-30 Lycoming Engines, A Division Of Avco Corporation Sensing rotation of an engine component relative to an engine body using a starter ring
US20090088956A1 (en) * 2007-09-27 2009-04-02 Caterpillar Inc. Robust onboard diagnostic misfire detection
JP5705765B2 (ja) * 2012-02-23 2015-04-22 三菱重工業株式会社 ガスエンジンの制御装置および方法
US9000709B2 (en) * 2012-09-12 2015-04-07 Electro-Motive Diesel, Inc. System and method for control and analysis of a prime mover in an electrical machine using calculated torque
FR3042888A1 (fr) 2015-10-26 2017-04-28 Continental Automotive France Procede d'adaptation automatique des conditions d'etablissement de diagnostic par un systeme de diagnostic embarque
CN111336011B (zh) * 2020-03-21 2021-04-27 东风汽车集团有限公司 一种汽油机失火监测方法
KR20220049202A (ko) * 2020-10-14 2022-04-21 현대자동차주식회사 엔진의 실화 원인 판정 방법 및 시스템

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Also Published As

Publication number Publication date
EP0485523A4 (en) 1993-06-09
JPH05500096A (ja) 1993-01-14
AU644103B2 (en) 1993-12-02
AU6359590A (en) 1991-12-31
WO1991019260A1 (en) 1991-12-12
US5041980A (en) 1991-08-20
MX171977B (es) 1993-11-24
EP0485523A1 (en) 1992-05-20
CA2062769A1 (en) 1991-12-05

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