SE9801657D0 - Arrangement for supercharged internal combustion engine with closed crankcase ventilation - Google Patents

Arrangement for supercharged internal combustion engine with closed crankcase ventilation

Info

Publication number
SE9801657D0
SE9801657D0 SE9801657A SE9801657A SE9801657D0 SE 9801657 D0 SE9801657 D0 SE 9801657D0 SE 9801657 A SE9801657 A SE 9801657A SE 9801657 A SE9801657 A SE 9801657A SE 9801657 D0 SE9801657 D0 SE 9801657D0
Authority
SE
Sweden
Prior art keywords
crankcase
engine
air
arrangement
combustion engine
Prior art date
Application number
SE9801657A
Other languages
Swedish (sv)
Other versions
SE521097C2 (en
SE9801657L (en
Inventor
Martin Berggren
Original Assignee
Scania Cv Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Scania Cv Ab filed Critical Scania Cv Ab
Priority to SE9801657A priority Critical patent/SE521097C2/en
Publication of SE9801657D0 publication Critical patent/SE9801657D0/en
Priority to PCT/SE1999/000769 priority patent/WO1999061761A1/en
Publication of SE9801657L publication Critical patent/SE9801657L/en
Publication of SE521097C2 publication Critical patent/SE521097C2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/02—Crankcase ventilating or breathing by means of additional source of positive or negative pressure
    • F01M13/021—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure
    • F01M13/022—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure using engine inlet suction
    • F01M13/025—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure using engine inlet suction with an inlet-conduit via an air-filter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/02—Crankcase ventilating or breathing by means of additional source of positive or negative pressure
    • F01M13/021—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

Arrangement in supercharged combustion engine (2) with enclosed crankcase ventilation, whereby the arrangement serves to provide negative pressure in the engine's crankcase, while the engine's turbocompressor (16) driven by exhaust gases draws air in through an air filter (18) and feeds pressurized air to the engine's inlet pipe (8) via a charged air cooler (28). The feedback of crankcase gases to the inlet pipe (8) and the maintenance of negative pressure in the crankcase even during engine braking are catered for by a ventilation line (36) extending from the crankcase to a bifurcation point (40) in the air inlet duct (20) between the air filter and the compressor inlet (22). The ventilation line (36) incorporates in series a pressure regulator (44), provided with oil filter, and a two-way connection (42), one outlet (46) of which communicates with the bifurcation point (40) via the ventilation line (36), while the other outlet (48) communicates with the inlet pipe (8) via a check valve (52).
SE9801657A 1998-05-13 1998-05-13 Arrangement for supercharged internal combustion engine with closed crankcase ventilation SE521097C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9801657A SE521097C2 (en) 1998-05-13 1998-05-13 Arrangement for supercharged internal combustion engine with closed crankcase ventilation
PCT/SE1999/000769 WO1999061761A1 (en) 1998-05-13 1999-05-07 Arrangement for a supercharged combustion engine with crankcase ventilation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9801657A SE521097C2 (en) 1998-05-13 1998-05-13 Arrangement for supercharged internal combustion engine with closed crankcase ventilation

Publications (3)

Publication Number Publication Date
SE9801657D0 true SE9801657D0 (en) 1998-05-13
SE9801657L SE9801657L (en) 1999-11-14
SE521097C2 SE521097C2 (en) 2003-09-30

Family

ID=20411278

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9801657A SE521097C2 (en) 1998-05-13 1998-05-13 Arrangement for supercharged internal combustion engine with closed crankcase ventilation

Country Status (2)

Country Link
SE (1) SE521097C2 (en)
WO (1) WO1999061761A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10154666A1 (en) * 2001-11-07 2003-05-28 Porsche Ag Crankcase ventilation for an internal combustion engine with exhaust gas turbocharging
US7159386B2 (en) * 2004-09-29 2007-01-09 Caterpillar Inc Crankcase ventilation system
JP4297175B2 (en) * 2006-10-06 2009-07-15 トヨタ自動車株式会社 Blow-by gas processing equipment
BRPI0919508A2 (en) 2008-09-30 2015-12-08 Deltahawk Engines Inc crankcase throttle for an internal combustion engine
DE102017200060B4 (en) * 2017-01-04 2021-04-01 Volkswagen Aktiengesellschaft Internal combustion engine and compressor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3326881A1 (en) * 1983-07-26 1984-05-24 Daimler-Benz Ag, 7000 Stuttgart Crankcase ventilation system for an internal combustion engine
JPS6081416A (en) * 1983-10-11 1985-05-09 Mazda Motor Corp Processing device of blow-bye gas in engine with supercharger
GB8525835D0 (en) * 1985-10-19 1985-11-20 Rolls Royce Motors Ltd Reciprocating i c engines
DE19507202C2 (en) * 1994-03-28 1998-07-16 Knecht Filterwerke Gmbh Vent valve

Also Published As

Publication number Publication date
WO1999061761A1 (en) 1999-12-02
SE521097C2 (en) 2003-09-30
SE9801657L (en) 1999-11-14

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Legal Events

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