DE2731249C3 - Verfahren zum Feststellen ungenügender Kompression in einzelnen Zylindern einer Innenbrennkraftmaschine - Google Patents

Verfahren zum Feststellen ungenügender Kompression in einzelnen Zylindern einer Innenbrennkraftmaschine

Info

Publication number
DE2731249C3
DE2731249C3 DE2731249A DE2731249A DE2731249C3 DE 2731249 C3 DE2731249 C3 DE 2731249C3 DE 2731249 A DE2731249 A DE 2731249A DE 2731249 A DE2731249 A DE 2731249A DE 2731249 C3 DE2731249 C3 DE 2731249C3
Authority
DE
Germany
Prior art keywords
compression
signal
integration
internal combustion
combustion engine
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
Application number
DE2731249A
Other languages
German (de)
English (en)
Other versions
DE2731249B2 (de
DE2731249A1 (de
Inventor
Eldon Marvin Merrimack N.H. Sutphin Jun.
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of DE2731249A1 publication Critical patent/DE2731249A1/de
Publication of DE2731249B2 publication Critical patent/DE2731249B2/de
Application granted granted Critical
Publication of DE2731249C3 publication Critical patent/DE2731249C3/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/08—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
    • G01L23/085—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by measuring fluctuations of starter motor current or of battery voltage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Engines (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
DE2731249A 1976-10-12 1977-07-11 Verfahren zum Feststellen ungenügender Kompression in einzelnen Zylindern einer Innenbrennkraftmaschine Expired DE2731249C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/731,209 US4062232A (en) 1976-10-12 1976-10-12 Testing compression in engines from starter motor current waveform

Publications (3)

Publication Number Publication Date
DE2731249A1 DE2731249A1 (de) 1978-04-13
DE2731249B2 DE2731249B2 (de) 1981-01-15
DE2731249C3 true DE2731249C3 (de) 1981-11-26

Family

ID=24938549

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2731249A Expired DE2731249C3 (de) 1976-10-12 1977-07-11 Verfahren zum Feststellen ungenügender Kompression in einzelnen Zylindern einer Innenbrennkraftmaschine

Country Status (9)

Country Link
US (1) US4062232A (enExample)
JP (1) JPS5348105A (enExample)
CA (1) CA1069178A (enExample)
DE (1) DE2731249C3 (enExample)
EG (1) EG12991A (enExample)
FR (1) FR2375592A1 (enExample)
GB (1) GB1540350A (enExample)
IL (1) IL52371A (enExample)
IT (1) IT1080682B (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2709128C2 (de) * 1977-03-02 1979-04-19 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Ermittlung eines der Kompression einer Brennkraftmaschine proportionalen Meßwertes
US4126037A (en) * 1977-11-17 1978-11-21 Rca Corporation Compression test using battery voltage waveform during cranking
JPS55132927A (en) * 1979-04-03 1980-10-16 Toyota Central Res & Dev Lab Inc Method and apparatus for measuring compression pressure fluctuation of multicylinder internal combustion engine
US4309900A (en) * 1980-04-18 1982-01-12 Sun Electric Corporation Apparatus for measurement and display of relative compression by cylinder
AT388457B (de) * 1986-11-25 1989-06-26 Avl Verbrennungskraft Messtech Verfahren und einrichtung zur pruefung einer brennkraftmaschine
SE466572B (sv) * 1990-04-23 1992-03-02 Volvo Ab Maetfoerfarande vid fordon, saerskilt foer bestaemning av rotationshastigheten hos en vevaxel i en foerbraenningsmotor
DE19529708C1 (de) * 1995-08-11 1997-01-02 Siemens Ag Verfahren und Einrichtung zur Ermittlung der relativen Kompression einer Brennkraftmaschine
US5663493A (en) * 1996-05-17 1997-09-02 Fluke Corporation Apparatus and method for measuring relative compression
KR100295860B1 (ko) * 1997-10-30 2001-10-27 이계안 엔진의자가진단방법
US6185996B1 (en) 1997-11-14 2001-02-13 Cummins Engine Company, Inc. System and method for diagnosing output power of an internal combustion engine
US6553816B1 (en) * 1998-09-18 2003-04-29 Alliedsignal Inc. System and method for providing engine diagnostic and prognostic information
RU2245532C2 (ru) * 2003-01-27 2005-01-27 Сибирская государственная автомобильно-дорожная академия (СибАДИ) Электронное устройство для определения компрессии в цилиндрах бензинового двигателя внутреннего сгорания
US7913546B2 (en) * 2008-11-25 2011-03-29 Innovative Products Of America, Inc. Methods and apparatus for analyzing internal combustion engines
US9188505B2 (en) * 2013-06-21 2015-11-17 Ford Global Technologies, Llc Method and system for cylinder compression diagnostics

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT313607B (de) * 1971-01-26 1974-02-25 List Hans Schaltungsanordnung zur Messung und Überprüfung der Kompression von Kolbenmaschinen
US3839906A (en) * 1973-10-09 1974-10-08 Rca Corp Apparatus for engine compression testing
US3952586A (en) * 1975-06-19 1976-04-27 Rca Corporation Determining engine compression from starter motor current

Also Published As

Publication number Publication date
US4062232A (en) 1977-12-13
CA1069178A (en) 1980-01-01
FR2375592A1 (fr) 1978-07-21
JPS5348105A (en) 1978-05-01
DE2731249B2 (de) 1981-01-15
IT1080682B (it) 1985-05-16
DE2731249A1 (de) 1978-04-13
JPS5522611B2 (enExample) 1980-06-18
IL52371A (en) 1980-02-29
GB1540350A (en) 1979-02-07
FR2375592B1 (enExample) 1980-07-18
EG12991A (en) 1980-10-31
IL52371A0 (en) 1977-08-31

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
8326 Change of the secondary classification
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee