EP1065356A3 - Four-stroke cycle engine - Google Patents

Four-stroke cycle engine Download PDF

Info

Publication number
EP1065356A3
EP1065356A3 EP00111188A EP00111188A EP1065356A3 EP 1065356 A3 EP1065356 A3 EP 1065356A3 EP 00111188 A EP00111188 A EP 00111188A EP 00111188 A EP00111188 A EP 00111188A EP 1065356 A3 EP1065356 A3 EP 1065356A3
Authority
EP
European Patent Office
Prior art keywords
passage
intake passage
valve
opening
fresh air
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.)
Granted
Application number
EP00111188A
Other languages
German (de)
French (fr)
Other versions
EP1065356A2 (en
EP1065356B1 (en
Inventor
Iida Yoshikatsu
Fujiwara Yasunobu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor Co Ltd
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 Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Publication of EP1065356A2 publication Critical patent/EP1065356A2/en
Publication of EP1065356A3 publication Critical patent/EP1065356A3/en
Application granted granted Critical
Publication of EP1065356B1 publication Critical patent/EP1065356B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

A four-stroke cycle engine (1) having an intake passage (14) and an exhaust passage (30) both opening to a combustion chamber (15), and having an intake valve (17) for opening and closing the intake passage (14) and an exhaust valve (16) for opening and closing the exhaust passage (30), with blowby leaking from the combustion chamber (15) into a crank chamber (8) returned to the intake passage (14) through a circulation passage (60) and with the circulation passage (60).
A fresh air intake passage (71) is provided to make fluid communication between part of the intake passage (14) on the upstream side of a throttle valve (37) and the crank chamber (8), with the fresh air intake passage (71) provided with a fresh air inflow valve (72).
EP00111188A 1999-05-24 2000-05-24 Four-stroke cycle engine Expired - Lifetime EP1065356B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14267499 1999-05-24
JP11142674A JP2000337218A (en) 1999-05-24 1999-05-24 Four-cycle engine

Publications (3)

Publication Number Publication Date
EP1065356A2 EP1065356A2 (en) 2001-01-03
EP1065356A3 true EP1065356A3 (en) 2001-03-28
EP1065356B1 EP1065356B1 (en) 2005-09-28

Family

ID=15320879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00111188A Expired - Lifetime EP1065356B1 (en) 1999-05-24 2000-05-24 Four-stroke cycle engine

Country Status (3)

Country Link
EP (1) EP1065356B1 (en)
JP (1) JP2000337218A (en)
DE (1) DE60022827T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4502737B2 (en) * 2003-08-29 2010-07-14 本田技研工業株式会社 Blow-by gas ventilation system for internal combustion engines
FR2864156B1 (en) * 2003-12-18 2006-02-03 Renault Sas ENGINE CONTROL DEVICE
JP2008267273A (en) * 2007-04-20 2008-11-06 Aisan Ind Co Ltd Blow-by gas returning device
KR102157828B1 (en) * 2018-10-25 2020-09-21 콘티넨탈 오토모티브 시스템 주식회사 Apparatus and method for controlling breather control valve of combustion engine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252974A (en) * 1938-05-27 1941-08-19 Donaldson Co Inc Crankcase ventilating system
GB661649A (en) * 1949-12-13 1951-11-21 Fiat Spa Improvements in or relating to the ventilation of internal combustion engine crankcases
DE1916788A1 (en) * 1968-07-17 1970-04-09 Nissan Motor Ventilation system for crankcase
DE2006233A1 (en) * 1969-02-14 1970-09-03 Ford-Werke AG, 5000 Köln-Deutz Closed ventilation device for the lubrication system of an internal combustion engine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5487096A (en) * 1996-02-12 1997-08-28 Serge Vallve Crankcase ventilation system
US5697351A (en) * 1996-11-12 1997-12-16 Miniature Precision Components, Inc. Positive crankcase ventilation valve for motor vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252974A (en) * 1938-05-27 1941-08-19 Donaldson Co Inc Crankcase ventilating system
GB661649A (en) * 1949-12-13 1951-11-21 Fiat Spa Improvements in or relating to the ventilation of internal combustion engine crankcases
DE1916788A1 (en) * 1968-07-17 1970-04-09 Nissan Motor Ventilation system for crankcase
DE2006233A1 (en) * 1969-02-14 1970-09-03 Ford-Werke AG, 5000 Köln-Deutz Closed ventilation device for the lubrication system of an internal combustion engine

Also Published As

Publication number Publication date
EP1065356A2 (en) 2001-01-03
JP2000337218A (en) 2000-12-05
DE60022827D1 (en) 2006-02-09
DE60022827T2 (en) 2006-07-13
EP1065356B1 (en) 2005-09-28

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