IT1080682B - Apparato per la determinazione della compressione in motori a combustione interna,dalla forma d'onda della corrente assorbita dal motorino di avviamento - Google Patents

Apparato per la determinazione della compressione in motori a combustione interna,dalla forma d'onda della corrente assorbita dal motorino di avviamento

Info

Publication number
IT1080682B
IT1080682B IT25062/77A IT2506277A IT1080682B IT 1080682 B IT1080682 B IT 1080682B IT 25062/77 A IT25062/77 A IT 25062/77A IT 2506277 A IT2506277 A IT 2506277A IT 1080682 B IT1080682 B IT 1080682B
Authority
IT
Italy
Prior art keywords
internal combustion
combustion engines
starter motor
wave form
current wave
Prior art date
Application number
IT25062/77A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1080682B publication Critical patent/IT1080682B/it

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
IT25062/77A 1976-10-12 1977-06-24 Apparato per la determinazione della compressione in motori a combustione interna,dalla forma d'onda della corrente assorbita dal motorino di avviamento IT1080682B (it)

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 (1)

Publication Number Publication Date
IT1080682B true IT1080682B (it) 1985-05-16

Family

ID=24938549

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25062/77A IT1080682B (it) 1976-10-12 1977-06-24 Apparato per la determinazione della compressione in motori a combustione interna,dalla forma d'onda della corrente assorbita dal motorino di avviamento

Country Status (9)

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

Families Citing this family (13)

* 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
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
DE2731249B2 (de) 1981-01-15
JPS5522611B2 (it) 1980-06-18
FR2375592B1 (it) 1980-07-18
EG12991A (en) 1980-10-31
DE2731249A1 (de) 1978-04-13
DE2731249C3 (de) 1981-11-26
JPS5348105A (en) 1978-05-01
GB1540350A (en) 1979-02-07
FR2375592A1 (fr) 1978-07-21
IL52371A0 (en) 1977-08-31
IL52371A (en) 1980-02-29

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