JP4529124B2 - エンジンの大気圧検出装置 - Google Patents
エンジンの大気圧検出装置 Download PDFInfo
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- JP4529124B2 JP4529124B2 JP2004179222A JP2004179222A JP4529124B2 JP 4529124 B2 JP4529124 B2 JP 4529124B2 JP 2004179222 A JP2004179222 A JP 2004179222A JP 2004179222 A JP2004179222 A JP 2004179222A JP 4529124 B2 JP4529124 B2 JP 4529124B2
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- atmospheric pressure
- engine
- intake pipe
- pressure
- average value
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- Combined Controls Of Internal Combustion Engines (AREA)
Description
Claims (2)
- 圧力検出手段で測定した吸気管圧力に基いて電子式制御装置が運転制御を行う複数気筒のエンジンに用いられる大気圧検出装置であって、
前記圧力検出手段は他の枝管が接続された気筒からの吸気負圧の影響を受けにくいようにするため、吸気マニホルドの一つの枝管のエンジンに接近した位置に設置されており、前記電子式制御装置は測定された吸気管圧力をエンジン運転中に所定の間隔でサンプリングするサンプリング手段と、サンプリングされた吸気管圧力値の変動幅が所定回数以上連続して所定の許容値以内であるか否かを調べる変動幅計測手段と、前記変動幅が前記所定回数以上連続して所定許容値以内であるときその平均値を算出する平均値算出手段と、前記算出された平均値を大気圧データとして記憶する記憶手段とを具え、前記平均値算出手段は平均値を算出する度に前記記憶手段に記憶された大気圧データを更新するものとされている、
ことを特徴とするエンジンの大気圧検出装置。 - 前記サンプリング手段による吸気管圧力の検知の間隔は、少なくとも1/1000秒以下とされていることを特徴とする請求項1に記載したエンジンの大気圧検出装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004179222A JP4529124B2 (ja) | 2004-06-17 | 2004-06-17 | エンジンの大気圧検出装置 |
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JP2004179222A JP4529124B2 (ja) | 2004-06-17 | 2004-06-17 | エンジンの大気圧検出装置 |
Publications (2)
Publication Number | Publication Date |
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JP2006002647A JP2006002647A (ja) | 2006-01-05 |
JP4529124B2 true JP4529124B2 (ja) | 2010-08-25 |
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Family Applications (1)
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JP2004179222A Expired - Fee Related JP4529124B2 (ja) | 2004-06-17 | 2004-06-17 | エンジンの大気圧検出装置 |
Country Status (1)
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JP (1) | JP4529124B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4765699B2 (ja) * | 2006-03-17 | 2011-09-07 | 日産自動車株式会社 | レシプロ式内燃機関の制御方法 |
JP4670709B2 (ja) * | 2006-03-31 | 2011-04-13 | 株式会社デンソー | 車両用衝突検知システム |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06280666A (ja) * | 1993-03-29 | 1994-10-04 | Mitsubishi Electric Corp | エンジン制御用大気圧検出装置 |
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2004
- 2004-06-17 JP JP2004179222A patent/JP4529124B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06280666A (ja) * | 1993-03-29 | 1994-10-04 | Mitsubishi Electric Corp | エンジン制御用大気圧検出装置 |
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JP2006002647A (ja) | 2006-01-05 |
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