JPS5522163A - Engine rpm detector - Google Patents

Engine rpm detector

Info

Publication number
JPS5522163A
JPS5522163A JP9548278A JP9548278A JPS5522163A JP S5522163 A JPS5522163 A JP S5522163A JP 9548278 A JP9548278 A JP 9548278A JP 9548278 A JP9548278 A JP 9548278A JP S5522163 A JPS5522163 A JP S5522163A
Authority
JP
Japan
Prior art keywords
rpm
time width
cpu
counted
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.)
Pending
Application number
JP9548278A
Other languages
English (en)
Inventor
Toshio Furuhashi
Osamu Abe
Masumi Imai
Kotaro Hirasawa
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9548278A priority Critical patent/JPS5522163A/ja
Priority to GB7926790A priority patent/GB2027906B/en
Priority to CA333,307A priority patent/CA1109695A/en
Priority to FR7920164A priority patent/FR2433103A1/fr
Priority to US06/064,431 priority patent/US4274142A/en
Priority to DE2932050A priority patent/DE2932050C2/de
Publication of JPS5522163A publication Critical patent/JPS5522163A/ja
Pending legal-status Critical Current

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
    • F02D41/0097—Electrical control of supply of combustible mixture or its constituents using means for generating speed signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor
JP9548278A 1978-08-07 1978-08-07 Engine rpm detector Pending JPS5522163A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP9548278A JPS5522163A (en) 1978-08-07 1978-08-07 Engine rpm detector
GB7926790A GB2027906B (en) 1978-08-07 1979-08-01 Detecting revolutions of an internal combustion engine
CA333,307A CA1109695A (en) 1978-08-07 1979-08-07 Apparatus for detecting revolutions of an internal combustion engine
FR7920164A FR2433103A1 (fr) 1978-08-07 1979-08-07 Appareil pour detecter le regime d'un moteur a combustion interne
US06/064,431 US4274142A (en) 1978-08-07 1979-08-07 Apparatus for detecting revolutions of an internal combustion engine
DE2932050A DE2932050C2 (de) 1978-08-07 1979-08-07 Drehzahl-Meßgerät für Brennkraftmaschinen bzw. Geschwindigkeits-Meßgerät für Fahrzeuge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9548278A JPS5522163A (en) 1978-08-07 1978-08-07 Engine rpm detector

Publications (1)

Publication Number Publication Date
JPS5522163A true JPS5522163A (en) 1980-02-16

Family

ID=14138824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9548278A Pending JPS5522163A (en) 1978-08-07 1978-08-07 Engine rpm detector

Country Status (6)

Country Link
US (1) US4274142A (ja)
JP (1) JPS5522163A (ja)
CA (1) CA1109695A (ja)
DE (1) DE2932050C2 (ja)
FR (1) FR2433103A1 (ja)
GB (1) GB2027906B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62230418A (ja) * 1986-04-01 1987-10-09 Kobe Steel Ltd タンデム圧延における間ピツチ制御方法
JPS63215313A (ja) * 1987-03-05 1988-09-07 Toshiba Corp 材料間隔制御装置

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399354A (en) * 1980-03-17 1983-08-16 Vorne Industries, Inc. Digital rate monitor
JPS5770936A (en) * 1980-10-22 1982-05-01 Hitachi Ltd Electronic control unit for internal combustion engine
JPS5866108A (ja) * 1981-10-16 1983-04-20 Hitachi Ltd 内燃機関の電子制御装置
SE8306487L (sv) * 1983-11-24 1985-05-25 Electrolux Ab Tendsystem med varvtalsindikator
JPS60252270A (ja) * 1984-05-29 1985-12-12 Mitsubishi Electric Corp 速度検出装置
JPS62162968A (ja) * 1986-01-13 1987-07-18 Hitachi Ltd 速度検出装置
US4811255A (en) * 1986-03-21 1989-03-07 Horizon Instruments, Inc. Tachometer, RPM processor, and method
US4947329A (en) * 1988-04-29 1990-08-07 Chrysler Corporation Method of determining the acceleration of a turbine in an automatic transmission
US5043659A (en) * 1989-12-18 1991-08-27 Clean Air Technologies Inc. Non-intrusive tachometer for spark ignition autos
US5804724A (en) * 1996-05-02 1998-09-08 Chrysler Corporation Rotor speed estimator
US5883510A (en) * 1997-05-13 1999-03-16 Spx Corporation Tachometer system picking up ignition signals from vehicle ground
JP4167324B2 (ja) 1998-06-26 2008-10-15 本田技研工業株式会社 エンジン回転数算出装置
JP3380493B2 (ja) * 1999-04-28 2003-02-24 三菱電機株式会社 エンジン制御用回転数演算装置
JP2001295691A (ja) * 2000-04-17 2001-10-26 Mitsubishi Electric Corp 内燃機関の気筒識別装置
JP3916376B2 (ja) 2000-06-15 2007-05-16 本田技研工業株式会社 車両用内燃機関のブリーザ構造
EP1462638B1 (en) * 2003-03-27 2008-05-07 Ford Global Technologies, LLC Method and apparatus for determining the variation of an engine parameter
DE602004009400T2 (de) * 2004-01-31 2008-07-10 Ford Global Technologies, LLC, Dearborn Verfahren zur Bestimmung von Drehzahlschwankungen eines Motors

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333477B2 (ja) * 1975-03-03 1978-09-14

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525044A (en) * 1968-02-28 1970-08-18 Vapor Corp Digital speed and control system
US3553728A (en) * 1968-05-20 1971-01-05 Gen Radio Co Frequency measuring apparatus with automatic adjustment of measurement interval for enhanced speed and accuracy
IT975472B (it) * 1971-11-10 1974-07-20 Philips Nv Apparecchio per la misura e l indi cazione di velocita
US3917927A (en) * 1974-04-15 1975-11-04 Us Navy Automatic ranging frequency counter
US3968434A (en) * 1974-07-19 1976-07-06 Reliance Electric Company Digital tachometer
IT1047443B (it) * 1975-09-23 1980-09-10 Fiat Spa Tachimetro digitale
US4107600A (en) * 1976-12-13 1978-08-15 General Electric Company Adaptive frequency to digital converter system
FR2377062A1 (fr) * 1977-01-11 1978-08-04 Renault Dispositif d'acquisition de donnees analogiques pour calculateur numerique pour vehicule automobile

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333477B2 (ja) * 1975-03-03 1978-09-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62230418A (ja) * 1986-04-01 1987-10-09 Kobe Steel Ltd タンデム圧延における間ピツチ制御方法
JPS63215313A (ja) * 1987-03-05 1988-09-07 Toshiba Corp 材料間隔制御装置

Also Published As

Publication number Publication date
DE2932050C2 (de) 1985-07-11
GB2027906A (en) 1980-02-27
FR2433103A1 (fr) 1980-03-07
DE2932050A1 (de) 1980-02-28
CA1109695A (en) 1981-09-29
GB2027906B (en) 1982-11-10
FR2433103B1 (ja) 1983-07-01
US4274142A (en) 1981-06-16

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