JP4699017B2 - エンジンのためのシステム - Google Patents
エンジンのためのシステム Download PDFInfo
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- JP4699017B2 JP4699017B2 JP2004360334A JP2004360334A JP4699017B2 JP 4699017 B2 JP4699017 B2 JP 4699017B2 JP 2004360334 A JP2004360334 A JP 2004360334A JP 2004360334 A JP2004360334 A JP 2004360334A JP 4699017 B2 JP4699017 B2 JP 4699017B2
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- cylinder
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0203—Variable control of intake and exhaust valves
- F02D13/0215—Variable control of intake and exhaust valves changing the valve timing only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0257—Independent control of two or more intake or exhaust valves respectively, i.e. one of two intake valves remains closed or is opened partially while the other is fully opened
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/06—Cutting-out cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
- F02D17/02—Cutting-out
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
- F02D17/02—Cutting-out
- F02D17/023—Cutting-out the inactive cylinders acting as compressor other than for pumping air into the exhaust system
- F02D17/026—Cutting-out the inactive cylinders acting as compressor other than for pumping air into the exhaust system delivering compressed fluid, e.g. air, reformed gas, to the active cylinders other than during starting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0253—Fully variable control of valve lift and timing using camless actuation systems such as hydraulic, pneumatic or electromagnetic actuators, e.g. solenoid valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
1. 気筒休止運転範囲を拡大して、燃料経済性を向上させることが出来る。
2. システム(例えば、トルク・コンバーター及びダンパー)の再構成を最小化することが出来るので、コストを最小化することが出来る。
3. 気筒内圧力が高いために、オイル消費量を低減することが出来る。
4. NVH性能が向上する。
5. 気筒内の冷却量が低減され、過渡燃料補正を単純化でき、そしてエミッション性能を向上させることができる。
12 電子エンジン制御器(制御器)
30 燃焼室(気筒)
32 気筒壁(気筒)
36 ピストン(気筒)
52 吸気弁
54 排気弁
Claims (17)
- それぞれが少なくとも一つずつ吸気弁と排気弁とを有する、少なくとも第1気筒と第2気筒とを持つエンジンのためのシステムであって、
少なくとも上記第1気筒と第2気筒とが少なくともそれぞれの吸気弁と排気弁との両方を開閉して、空気を吸入し、吸入空気を噴射燃料と共に燃焼させ、そして燃焼ガス生成物を排出する第1モードで、上記エンジンを運転し、
少なくとも、上記第1気筒と第2気筒との一方がその吸気弁と排気弁との両方を開閉して、空気を吸入し、吸入空気を噴射燃料と共に燃焼させ、そして燃焼ガス生成物を排出し、上記第1気筒と第2気筒との他方が、エンジンのサイクル中に、少なくとも、その吸気弁と排気弁との一方を開閉しながら、他方を閉じた状態に維持する第2モードで、上記エンジンを運転し、
上記第1気筒と第2気筒との一方が、エンジンのサイクル中に、その吸気弁と排気弁との両方が閉じた状態で動作する第3モードで、上記エンジンを運転し、そして
上記第1、第2及び第3モードを、運転状態に基づいて選択するように構成される制御器、を備え、
上記制御器は、運転領域の低負荷側に上記第2又は第3モードで上記エンジンを運転する領域を有し、該領域内において該第2モードで該エンジンを運転する領域の方が該第3モードで該エンジンを運転する領域よりもエンジン速度の低速側にあるシステム。 - 上記制御器は、上記第2モードでは、上記第1気筒と第2気筒とのうち上記吸気弁及び排気弁の一方を開閉しながら、他方を閉じた状態に維持する気筒において、該吸気弁と排気弁との何れを停止させるのかを、エンジン運転状態に基づいて選択する請求項1に記載のシステム。
- 上記第1気筒と第2気筒との両方が、噴射燃料なしに空気を吸入するように、それぞれの吸気弁と排気弁との両方を開閉する第4モード、を提供するように上記制御器が更に構成される、請求項1又は2に記載のシステム。
- 上記第3モードの間、上記第1と第2気筒との他方に、空気を吸入し、空気を噴射燃料と共に燃焼し、そして燃焼ガス生成物を排出するように、それの吸気弁と排気弁の両方を開閉動作させるように、上記制御器が更に構成される、請求項1〜3のいずれか1つに記載のシステム。
- 上記制御器は、上記第1、第2及び第3モードをさらにエンジン負荷に基づいて選択する、請求項1に記載のシステム。
- 上記制御器が更に、休止気筒への燃料噴射を停止させるように構成される、請求項1〜5のいずれか1つに記載のシステム。
- 上記第2モードにおいて、上記吸気弁を閉じたままで、その排気弁の開閉時期をエンジン負荷と速度に基づいて調整するように、上記制御器が更に構成される、請求項1〜6のいずれか1つに記載のシステム。
- 選択された状態でのオイル消費を低減するために休止気筒内の圧力をクランクケース圧力よりも高く維持するように、上記制御器が更に構成される、請求項1〜7のいずれか1つに記載のシステム。
- 上記第2モードの間、上記第1と第2気筒との他方が、少なくとも一つの吸気弁を閉じた状態に維持しながら少なくとも一つの排気弁を開閉する、請求項1〜8のいずれか1つに記載のシステム。
- 上記第2モードの間、上記第1及び第2気筒の他方が、少なくとも一つの排気弁を閉じた状態に維持しながら少なくとも一つの吸気弁を開閉する、請求項1〜8のいずれか1つに記載のシステム。
- それぞれが少なくとも一つずつ吸気弁と排気弁を有する、少なくとも第1気筒と第2気筒とを持つエンジンのためのシステムであって、
少なくとも上記第1気筒と第2気筒とが少なくともそれぞれの吸気弁と排気弁との両方を開閉して、空気を吸入し、吸入空気を噴射燃料と共に燃焼させ、そして燃焼ガス生成物を排出する第1モードで、上記エンジンを運転し、
少なくとも、上記第1気筒と第2気筒との一方がその吸気弁と排気弁との両方を開閉して、空気を吸入し、吸入空気を噴射燃料と共に燃焼させ、そして燃焼ガス生成物を排出し、上記第1気筒と第2気筒との他方が、エンジンのサイクル中に、少なくともその排気弁を開閉しながら、少なくともその吸気弁を閉じた状態に維持する第2モードで、上記エンジンを運転し、
上記第1気筒と第2気筒との一方が、エンジンのサイクル中に、その吸気弁と排気弁との両方が閉じた状態で動作する第3モードで、上記エンジンを運転し、そして
上記第1、第2及び第3モードを、運転状態に基づいて、選択するように構成された制御器、を備え、
上記制御器は、運転領域の低負荷側に上記第2又は第3モードで上記エンジンを運転する領域を有し、該領域内において該第2モードで該エンジンを運転する領域の方が該第3モードで該エンジンを運転する領域よりもエンジン速度の低速側にあるシステム。 - 上記第1気筒と第2気筒との両方が、噴射燃料なしに空気を吸入するように、それぞれの吸気弁と排気弁との両方を開閉する第4モード、を提供するように上記制御器が更に構成される、請求項11に記載のシステム。
- 上記第3モードの間、上記第1と第2気筒との他方に、空気を吸入し、空気を噴射燃料と共に燃焼し、そして燃焼ガス生成物を排出するように、それの吸気弁と排気弁の両方を開閉動作させるように、上記制御器が更に構成される、請求項11又は12に記載のシステム。
- 上記制御器は、上記第1、第2及び第3モードをさらにエンジン負荷に基づいて選択する、請求項11に記載のシステム。
- 上記制御器が更に、休止気筒への燃料噴射を停止させるように構成される、請求項11〜14のいずれか1つに記載のシステム。
- 上記第2モードにおける排気弁の開閉時期をエンジン負荷と速度に基づいて調整するように、上記制御器が更に構成される、請求項11〜15のいずれか1つに記載のシステム。
- 選択された状態でのオイル消費を低減するために休止気筒内の圧力をクランクケース圧力よりも高く維持するように、上記制御器が更に構成された、請求項11〜16のいずれか1つに記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/734,555 US7260467B2 (en) | 2003-12-12 | 2003-12-12 | Cylinder deactivation method to minimize drivetrain torsional disturbances |
US10/734,555 | 2003-12-12 |
Publications (2)
Publication Number | Publication Date |
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JP2005172001A JP2005172001A (ja) | 2005-06-30 |
JP4699017B2 true JP4699017B2 (ja) | 2011-06-08 |
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JP2004360334A Expired - Fee Related JP4699017B2 (ja) | 2003-12-12 | 2004-12-13 | エンジンのためのシステム |
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Country | Link |
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US (1) | US7260467B2 (ja) |
JP (1) | JP4699017B2 (ja) |
DE (1) | DE102004059660A1 (ja) |
GB (1) | GB2409000B (ja) |
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DE102004059660A1 (de) | 2005-07-07 |
US7260467B2 (en) | 2007-08-21 |
GB0426251D0 (en) | 2004-12-29 |
US20050131618A1 (en) | 2005-06-16 |
GB2409000A (en) | 2005-06-15 |
JP2005172001A (ja) | 2005-06-30 |
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