JPS6487840A - Idle speed control valve for internal combustion engine - Google Patents

Idle speed control valve for internal combustion engine

Info

Publication number
JPS6487840A
JPS6487840A JP62243892A JP24389287A JPS6487840A JP S6487840 A JPS6487840 A JP S6487840A JP 62243892 A JP62243892 A JP 62243892A JP 24389287 A JP24389287 A JP 24389287A JP S6487840 A JPS6487840 A JP S6487840A
Authority
JP
Japan
Prior art keywords
valve body
electromagnetic coil
permanent magnet
revolution
magnetic pole
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.)
Granted
Application number
JP62243892A
Other languages
Japanese (ja)
Other versions
JP2582590B2 (en
Inventor
Hisaaki Sato
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 Unisia Automotive Ltd
Original Assignee
Japan Electronic Control Systems 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 Japan Electronic Control Systems Co Ltd filed Critical Japan Electronic Control Systems Co Ltd
Priority to JP62243892A priority Critical patent/JP2582590B2/en
Publication of JPS6487840A publication Critical patent/JPS6487840A/en
Application granted granted Critical
Publication of JP2582590B2 publication Critical patent/JP2582590B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To provide a compact device which is light in weight and inexpensive by anchoring a permanent magnet onto the rotating shaft of a valve body, and arranging a single electromagnetic coil switching the winding direction in turning electricity on, around said permanent magnet. CONSTITUTION:A valve body 22 is stationarily held at the position in such a way that the N and S poles correspond to a magnetic pole section 24b by the action of both a permanent magnet 23 and the magnetic pole section 24b when an electromagnetic coil 14 is de-energized. Then, a control unit compares actual engine revolutions with a target idle revolution determined by cooling water temperature and the like so as to control the rotational position of the valve body 22 while the duty ratio of driving pulse signals is controlled in such a way as to let the actual engine revolution comes close to the target revolution. This constitution enables the opening of the valve body 22 to be controlled by the single electromagnetic coil 14, thereby enabling a space housing the electromagnetic coil 14 to be small in size, and be light in weight in comparison with conventional ones equipped with solenoid valves used to open and close the valves. In addition, since coil wires are required much less, cost involved can thereby be lowered.
JP62243892A 1987-09-30 1987-09-30 Idle speed control valve for internal combustion engine Expired - Lifetime JP2582590B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62243892A JP2582590B2 (en) 1987-09-30 1987-09-30 Idle speed control valve for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62243892A JP2582590B2 (en) 1987-09-30 1987-09-30 Idle speed control valve for internal combustion engine

Publications (2)

Publication Number Publication Date
JPS6487840A true JPS6487840A (en) 1989-03-31
JP2582590B2 JP2582590B2 (en) 1997-02-19

Family

ID=17110546

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62243892A Expired - Lifetime JP2582590B2 (en) 1987-09-30 1987-09-30 Idle speed control valve for internal combustion engine

Country Status (1)

Country Link
JP (1) JP2582590B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0313468U (en) * 1989-06-21 1991-02-12
JPH0313467U (en) * 1989-06-21 1991-02-12
JPH0396658A (en) * 1989-03-22 1991-04-22 Bayerische Motoren Werke Ag Apparatus for determining quantity of idling air of internal-combustion engine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58212361A (en) * 1982-06-01 1983-12-10 Nippon Soken Inc Rotary drive device
JPS61234234A (en) * 1985-04-10 1986-10-18 Japan Electronic Control Syst Co Ltd Idle speed control valve of internal-combustion engine
JPS623956U (en) * 1985-06-22 1987-01-10

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58212361A (en) * 1982-06-01 1983-12-10 Nippon Soken Inc Rotary drive device
JPS61234234A (en) * 1985-04-10 1986-10-18 Japan Electronic Control Syst Co Ltd Idle speed control valve of internal-combustion engine
JPS623956U (en) * 1985-06-22 1987-01-10

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0396658A (en) * 1989-03-22 1991-04-22 Bayerische Motoren Werke Ag Apparatus for determining quantity of idling air of internal-combustion engine
JPH0313468U (en) * 1989-06-21 1991-02-12
JPH0313467U (en) * 1989-06-21 1991-02-12

Also Published As

Publication number Publication date
JP2582590B2 (en) 1997-02-19

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