JPS6487840A - Idle speed control valve for internal combustion engine - Google Patents
Idle speed control valve for internal combustion engineInfo
- 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
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.
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)
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)
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 |
-
1987
- 1987-09-30 JP JP62243892A patent/JP2582590B2/en not_active Expired - Lifetime
Patent Citations (3)
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)
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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