GB201300897D0 - Electronically controlled throttle device - Google Patents
Electronically controlled throttle deviceInfo
- Publication number
- GB201300897D0 GB201300897D0 GB201300897A GB201300897A GB201300897D0 GB 201300897 D0 GB201300897 D0 GB 201300897D0 GB 201300897 A GB201300897 A GB 201300897A GB 201300897 A GB201300897 A GB 201300897A GB 201300897 D0 GB201300897 D0 GB 201300897D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- diagnosis
- opening degree
- motor
- throttle valve
- throttle device
- 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.)
- Ceased
Links
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- 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)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
An electronically controlled throttle device, eg in a motorcycle, comprises a throttle valve 21 which is opened or closed by a motor 23 via a gear 22 and is urged in the closing direction by a return spring 24. To diagnose a defect in the throttle device, a diagnosis unit 83a in the ECU 8 sets a target diagnosis opening degree of the throttle valve, drives the motor 23 and discriminates whether the sensed opening degree matches the diagnosis opening degree after a first predetermined time has passed. The diagnosis unit 83a then interrupts driving of the motor 23 to close the throttle valve fully by the force of the return spring 24 and discriminates whether the opening degree of the throttle valve matches a second diagnosis opening degree after a second predetermined time has passed, thereby enabling diagnosis of a defect in the return spring. The diagnosis unit calculates and sets the first and second predetermined times based on a state of the electronically controlled throttle device, eg ambient temperature, engine water and oil temperatures and (for the first predetermined time) the driving voltage of the motor 23.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012041820A JP5961403B2 (en) | 2012-02-28 | 2012-02-28 | Electronically controlled throttle device |
Publications (1)
Publication Number | Publication Date |
---|---|
GB201300897D0 true GB201300897D0 (en) | 2013-03-06 |
Family
ID=47843531
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB201300897A Ceased GB201300897D0 (en) | 2012-02-28 | 2013-01-18 | Electronically controlled throttle device |
GB1302106.8A Active GB2499893B (en) | 2012-02-28 | 2013-02-06 | Electronically controlled throttle device |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1302106.8A Active GB2499893B (en) | 2012-02-28 | 2013-02-06 | Electronically controlled throttle device |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5961403B2 (en) |
DE (1) | DE102013001620B4 (en) |
GB (2) | GB201300897D0 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6613032B2 (en) * | 2015-02-04 | 2019-11-27 | 株式会社ケーヒン | Electronically controlled throttle device |
WO2017051465A1 (en) * | 2015-09-25 | 2017-03-30 | 日産自動車株式会社 | Valve control device |
JP6725975B2 (en) * | 2015-09-30 | 2020-07-22 | 株式会社ケーヒン | Electronically controlled throttle device |
JP6553496B2 (en) * | 2015-12-10 | 2019-07-31 | 日立オートモティブシステムズ株式会社 | Electronically controlled throttle device and throttle control method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2518235B2 (en) * | 1986-12-11 | 1996-07-24 | 日本電装株式会社 | Throttle valve control device for internal combustion engine |
JP2844792B2 (en) * | 1990-01-29 | 1999-01-06 | 三菱自動車工業株式会社 | Electronically controlled throttle valve drive |
US5113823A (en) | 1990-04-06 | 1992-05-19 | Nissan Motor Company, Limited | Throttle valve control apparatus for use with internal combustion engine |
JPH11190230A (en) | 1997-12-25 | 1999-07-13 | Hitachi Ltd | Throttle valve control device of engine and control method |
JPH11229943A (en) * | 1998-02-13 | 1999-08-24 | Unisia Jecs Corp | Diagnostic device for electronically controlled throttle device |
JP2004225538A (en) | 2003-01-20 | 2004-08-12 | Mitsubishi Electric Corp | Throttle valve control device |
JP2011007115A (en) | 2009-06-26 | 2011-01-13 | Denso Corp | Throttle control device of internal combustion engine |
-
2012
- 2012-02-28 JP JP2012041820A patent/JP5961403B2/en active Active
-
2013
- 2013-01-18 GB GB201300897A patent/GB201300897D0/en not_active Ceased
- 2013-01-30 DE DE102013001620.7A patent/DE102013001620B4/en active Active
- 2013-02-06 GB GB1302106.8A patent/GB2499893B/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE102013001620B4 (en) | 2018-09-13 |
GB2499893B (en) | 2018-06-20 |
JP2013177848A (en) | 2013-09-09 |
GB201302106D0 (en) | 2013-03-20 |
JP5961403B2 (en) | 2016-08-02 |
GB2499893A (en) | 2013-09-04 |
DE102013001620A1 (en) | 2013-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AT | Applications terminated before publication under section 16(1) |