JPS6477726A - Suction amount control device for engine - Google Patents

Suction amount control device for engine

Info

Publication number
JPS6477726A
JPS6477726A JP23564587A JP23564587A JPS6477726A JP S6477726 A JPS6477726 A JP S6477726A JP 23564587 A JP23564587 A JP 23564587A JP 23564587 A JP23564587 A JP 23564587A JP S6477726 A JPS6477726 A JP S6477726A
Authority
JP
Japan
Prior art keywords
control
control device
stepping motor
duty ratio
dither
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
JP23564587A
Other languages
Japanese (ja)
Inventor
Yasusuke Sedaka
Kanji Takeuchi
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.)
Denso Corp
Original Assignee
NipponDenso Co 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 NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP23564587A priority Critical patent/JPS6477726A/en
Publication of JPS6477726A publication Critical patent/JPS6477726A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

PURPOSE:To make it possible to control the suction amount highly accurately and minutely by adding dither control units to control the duty ratio of the control signal to a control device to control a throttle valve through driving a stepping motor. CONSTITUTION:A throttle valve M3 held by a rotary shaft M2 is furnished in a suction passage M1. On the other hand, a stepping motor M8 to drive a rotor M5 which furnishes an output shaft M6 linking to the rotary shaft 2 by converting the excitation to plural magnetic poles M7 is provided. And a control device M9 to control the stepping motor M8 is also provided. In such a composition, the first dither control unit M10 to control the duty ratio of the control signal delivered to the neighboring magnetic pole M7 is arranged. The second dither control unit M11 to add the control signal of the controlled duty ratio to the magnetic poles M7 including the magnetic pole 7 close to the rotor M5 is also arranged.
JP23564587A 1987-09-19 1987-09-19 Suction amount control device for engine Pending JPS6477726A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23564587A JPS6477726A (en) 1987-09-19 1987-09-19 Suction amount control device for engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23564587A JPS6477726A (en) 1987-09-19 1987-09-19 Suction amount control device for engine

Publications (1)

Publication Number Publication Date
JPS6477726A true JPS6477726A (en) 1989-03-23

Family

ID=16989083

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23564587A Pending JPS6477726A (en) 1987-09-19 1987-09-19 Suction amount control device for engine

Country Status (1)

Country Link
JP (1) JPS6477726A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002253596A (en) * 2001-02-27 2002-09-10 Daiya Seiyaku Kk Portable water retaining gel material

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63302162A (en) * 1987-06-02 1988-12-09 Honda Motor Co Ltd Motor control device for driving throttle valve

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63302162A (en) * 1987-06-02 1988-12-09 Honda Motor Co Ltd Motor control device for driving throttle valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002253596A (en) * 2001-02-27 2002-09-10 Daiya Seiyaku Kk Portable water retaining gel material

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