JP2008057526A5 - - Google Patents

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Publication number
JP2008057526A5
JP2008057526A5 JP2007188174A JP2007188174A JP2008057526A5 JP 2008057526 A5 JP2008057526 A5 JP 2008057526A5 JP 2007188174 A JP2007188174 A JP 2007188174A JP 2007188174 A JP2007188174 A JP 2007188174A JP 2008057526 A5 JP2008057526 A5 JP 2008057526A5
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JP
Japan
Prior art keywords
internal combustion
combustion engine
crankcase ventilation
compressing
ventilation gas
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.)
Pending
Application number
JP2007188174A
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Japanese (ja)
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JP2008057526A (en
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Publication date
Application filed filed Critical
Publication of JP2008057526A publication Critical patent/JP2008057526A/en
Publication of JP2008057526A5 publication Critical patent/JP2008057526A5/ja
Pending legal-status Critical Current

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Claims (7)

内燃機関のシリンダに供給すべき燃焼空気流を圧縮ないし過給するための装置と、圧縮済み燃焼空気流を冷却する過給空気冷却器と、クランクケース換気ガスを圧縮するための装置とを備えた内燃機関において、
圧縮済みクランクケース換気ガスを内燃機関に向けて戻し、該圧縮済みクランクケース換気ガスを過給空気冷却器（１６）の下流で圧縮済み冷却済み燃焼空気流ないし過給空気流（１７）に導入することを特徴とする内燃機関。 A device for compressing or supercharging a combustion air flow to be supplied to a cylinder of an internal combustion engine, a supercharged air cooler for cooling the compressed combustion air flow, and a device for compressing crankcase ventilation gas In internal combustion engines
Return the compressed crankcase ventilation gas back to the internal combustion engine and introduce the compressed crankcase ventilation gas downstream of the supercharged air cooler (16) into the compressed cooled combustion or supercharged air flow (17) An internal combustion engine characterized by: クランクケース換気ガスを圧縮するための装置（１８）に、制御装置（２１）を備えた駆動装置（１９）が付属され、前記制御装置（２１）が、負荷依存クランクケース圧が一定し且つ大気圧より低いように、駆動装置（１９）を制御することを特徴とする請求項１記載の内燃機関。 An apparatus for compressing the crankcase ventilation gas (18), the control unit (21) is supplied with a driving device provided with a (19), said control device (21) is load dependent crankcase pressure is a constant and 2. Internal combustion engine according to claim 1, characterized in that the drive device (19) is controlled to be lower than atmospheric pressure. クランクケース換気ガスを圧縮する装置（１８）の方向への過給空気（１７）の越流を阻止するが、圧縮済みクランクケース換気ガスの過給空気（１７）への流入を可能にするブロック装置（２４）が設けられたことを特徴とする請求項１又は２記載の内燃機関。   Block that prevents overflow of the supercharged air (17) in the direction of the device (18) for compressing the crankcase ventilation gas, but allows the compressed crankcase ventilation gas to flow into the supercharged air (17) 3. Internal combustion engine according to claim 1 or 2, characterized in that a device (24) is provided. クランクケース換気ガスの圧縮前に該ガスから油を分離するために、クランクケース換気ガスを圧縮する装置（１８）の上流に油分離器（２５）が配置されたことを特徴とする請求項１から３の１つに記載の内燃機関。   The oil separator (25) is arranged upstream of the device (18) for compressing the crankcase ventilation gas in order to separate the oil from the gas before compression of the crankcase ventilation gas. 4. The internal combustion engine according to one of items 1 to 3. クランクケース換気ガスの圧縮後に該ガスから油を分離するために、クランクケース換気ガスを圧縮する装置（１８）の下流に油分離器（２５）が配置されたことを特徴とする請求項１から３の１つに記載の内燃機関。   2. The oil separator (25) is arranged downstream of the device (18) for compressing the crankcase ventilation gas in order to separate the oil from the gas after compression of the crankcase ventilation gas. 4. The internal combustion engine according to one of three. 内燃機関のシリンダに供給すべき燃焼空気流を圧縮ないし過給する装置が、タービンと圧縮機とを有する排気駆動過給機として形成され、排気駆動過給機のタービンが内燃機関から出る排気ガス流を膨張させ、排気駆動過給機の圧縮機がそのタービンで駆動され、燃焼空気流を圧縮することを特徴とする請求項１から５の１つに記載の内燃機関。   An apparatus for compressing or supercharging a combustion air flow to be supplied to a cylinder of an internal combustion engine is formed as an exhaust drive supercharger having a turbine and a compressor, and an exhaust gas from which the turbine of the exhaust drive supercharger exits the internal combustion engine 6. Internal combustion engine according to claim 1, characterized in that the flow is expanded and the compressor of the exhaust-driven supercharger is driven by its turbine to compress the combustion air flow. 内燃機関のシリンダに供給すべき燃焼空気流を圧縮ないし過給する装置が、コンプレッサとして形成されたことを特徴とする請求項１から５の１つに記載の内燃機関。
6. The internal combustion engine according to claim 1, wherein the device for compressing or supercharging the combustion air flow to be supplied to the cylinder of the internal combustion engine is formed as a compressor.
JP2007188174A 2006-09-02 2007-07-19 Supercharged internal combustion engine Pending JP2008057526A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006041210 2006-09-02

Publications (2)

Publication Number Publication Date
JP2008057526A JP2008057526A (en) 2008-03-13
JP2008057526A5 true JP2008057526A5 (en) 2010-06-03

Family

ID=38212338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007188174A Pending JP2008057526A (en) 2006-09-02 2007-07-19 Supercharged internal combustion engine

Country Status (4)

Country Link
JP (1) JP2008057526A (en)
KR (1) KR101375449B1 (en)
CN (1) CN101135258B (en)
FI (1) FI127144B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104879199B (en) * 2015-06-11 2018-03-09 上海工程技术大学 A kind of self-con-tained unit for realizing motor-vehicle tail-gas Multi-class propagation
CN105041426B (en) * 2015-08-31 2018-04-13 中船动力有限公司 Gaseous propellant engine crankcase enclosed gas venting system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5720511U (en) * 1980-07-10 1982-02-02
JPS5726218A (en) * 1980-07-25 1982-02-12 Nissan Motor Co Ltd Blow by gas processing device for internal combustion engine with supercharger
JPH06221129A (en) * 1993-01-29 1994-08-09 Mazda Motor Corp Intake device for engine having supercharger
DE10043796A1 (en) * 2000-09-06 2002-03-14 Daimler Chrysler Ag Active system venting crank case efficiently and adequately at correct point in engine cycle, comprises simple vent line from crank case to inlet manifold
JP3982469B2 (en) * 2003-07-25 2007-09-26 トヨタ自動車株式会社 Dry sump engine
JP2005264918A (en) * 2004-03-22 2005-09-29 Fuso Engineering Corp Blow-by gas reflux device for engine with turbo supercharger
DE102004031281B4 (en) * 2004-06-29 2016-09-15 Man Truck & Bus Ag Device for returning crankcase ventilation gases into the combustion chamber of a supercharged internal combustion engine
DE102004053946A1 (en) * 2004-11-09 2006-05-11 Daimlerchrysler Ag Device for venting a crankcase of a supercharged internal combustion engine

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