EP0275841A3 - Process for obtaining a valve seat - Google Patents

Process for obtaining a valve seat Download PDF

Info

Publication number
EP0275841A3
EP0275841A3 EP87830446A EP87830446A EP0275841A3 EP 0275841 A3 EP0275841 A3 EP 0275841A3 EP 87830446 A EP87830446 A EP 87830446A EP 87830446 A EP87830446 A EP 87830446A EP 0275841 A3 EP0275841 A3 EP 0275841A3
Authority
EP
European Patent Office
Prior art keywords
obtaining
valve seat
duct
eliminated
internal combustion
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.)
Withdrawn
Application number
EP87830446A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0275841A2 (en
Inventor
Luigi Joli
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.)
Fiat Auto SpA
Original Assignee
Fiat Auto SpA
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 Fiat Auto SpA filed Critical Fiat Auto SpA
Publication of EP0275841A2 publication Critical patent/EP0275841A2/en
Publication of EP0275841A3 publication Critical patent/EP0275841A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
    • F02F1/4235—Shape or arrangement of intake or exhaust channels in cylinder heads of intake channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/22—Valve-seats not provided for in preceding subgroups of this group; Fixing of valve-seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F2001/244—Arrangement of valve stems in cylinder heads
    • F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lift Valve (AREA)
  • Rolling Contact Bearings (AREA)
  • Forging (AREA)
EP87830446A 1986-12-23 1987-12-17 Process for obtaining a valve seat Withdrawn EP0275841A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT6796386 1986-12-23
IT67963/86A IT1196870B (it) 1986-12-23 1986-12-23 Procedimento per l'ottenimento di una sede valvola

Publications (2)

Publication Number Publication Date
EP0275841A2 EP0275841A2 (en) 1988-07-27
EP0275841A3 true EP0275841A3 (en) 1990-01-31

Family

ID=11306764

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87830446A Withdrawn EP0275841A3 (en) 1986-12-23 1987-12-17 Process for obtaining a valve seat

Country Status (4)

Country Link
EP (1) EP0275841A3 (it)
BR (1) BR8706933A (it)
IT (1) IT1196870B (it)
YU (1) YU47052B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4029881C2 (de) * 1990-09-21 1994-01-20 Porsche Ag Verfahren zum Einpassen von Ventilsitzringen in Brennkraftmaschinen
DE19653909C1 (de) * 1996-12-21 1998-04-02 Daimler Benz Ag Zylinderkopf für Brennkraftmaschinen
SE517687C2 (sv) 1997-12-23 2002-07-02 Scania Cv Ab Cylinderhuvud för förbränningsmotorer
FR2913457B1 (fr) * 2007-03-07 2013-09-06 Renault Sas Siege de soupape pour conduit d'admission, culasse de moteur thermique, et procede de fabrication.
FR2926111A3 (fr) * 2008-01-03 2009-07-10 Renault Sas Procede de realisation d'une culasse de moteur thermique comprenant une etape d'usinage d'un siege de soupape
JP2017110604A (ja) * 2015-12-17 2017-06-22 ヤマハ発動機株式会社 内燃機関、それを備えた車両、および内燃機関の製造方法
US11060425B2 (en) * 2019-03-13 2021-07-13 Caterpillar Inc. Valve seat insert for engine head having venturi flow crowns and seating surface profiled for limiting valve recession

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR822334A (fr) * 1937-05-28 1937-12-28 Perfectionnements aux blocs de cylindres des moteurs à combustion interne
GB1042147A (en) * 1962-04-05 1966-09-14 Humber Ltd Improvements relating to cylinders or cylinder heads for internal combustion engines
DE2048567A1 (de) * 1969-10-02 1971-04-15 Parry, John, Orilha, Ontario (Kana da) Verfahren zum Ersetzen eines Ventil Sitzes in einem Zylinderkopf
AT331575B (de) * 1972-06-20 1976-08-25 List Hans Brennkraftmaschine mit innerer gemischbildung insbesondere dieselmotor
GB1494244A (en) * 1974-02-16 1977-12-07 Maschf Augsburg Nuernberg Ag Cylinder head for internal combustion engine
AT378827B (de) * 1983-06-23 1985-10-10 Avl Verbrennungskraft Messtech Brennkraftmaschine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR822334A (fr) * 1937-05-28 1937-12-28 Perfectionnements aux blocs de cylindres des moteurs à combustion interne
GB1042147A (en) * 1962-04-05 1966-09-14 Humber Ltd Improvements relating to cylinders or cylinder heads for internal combustion engines
DE2048567A1 (de) * 1969-10-02 1971-04-15 Parry, John, Orilha, Ontario (Kana da) Verfahren zum Ersetzen eines Ventil Sitzes in einem Zylinderkopf
AT331575B (de) * 1972-06-20 1976-08-25 List Hans Brennkraftmaschine mit innerer gemischbildung insbesondere dieselmotor
GB1494244A (en) * 1974-02-16 1977-12-07 Maschf Augsburg Nuernberg Ag Cylinder head for internal combustion engine
AT378827B (de) * 1983-06-23 1985-10-10 Avl Verbrennungskraft Messtech Brennkraftmaschine

Also Published As

Publication number Publication date
IT8667963A0 (it) 1986-12-23
IT1196870B (it) 1988-11-25
YU229087A (en) 1990-02-28
YU47052B (sh) 1994-12-28
BR8706933A (pt) 1988-07-26
EP0275841A2 (en) 1988-07-27

Similar Documents

Publication Publication Date Title
AU3717689A (en) An internal combustion engine inlet manifold
AU574015B2 (en) Air intake meter for an internal combustion engine
DE69017738D1 (de) Steuerungssystem des Drosselventils einer Brennkraftmaschine.
EP0596860A3 (en) Method for variable valve timing for an internal combustion engine.
GB2197686B (en) Valve operating mechanism in internal combustion engines.
EP0670420A3 (en) Air / fuel ratio estimation system for an internal combustion engine.
DE68906480D1 (de) Steuerungssystem des drosselventils der brennkraftmaschine eines motorfahrzeugs.
AU586459B2 (en) Rotary valve for internal combustion engines
EP0363225A3 (en) Valve spring retainer for valve operating mechanism for internal combustion engine
ES2024896A6 (es) Arbol de levas para motores de combustion con mando por valvulas>
EP0495975A4 (en) Improved intake valve for internal combustion engine
ES268715U (es) Un asiento postizo para una valvular de entrada de un motor de combustion interna.
DE3772417D1 (de) Anordnung zur regelung des aufladedruckes einer brennkraftmaschine.
DE3761447D1 (de) Drosselklappenstutzen fuer eine brennkraftmaschine.
GB2238353B (en) Valve mechanism for an internal combustion engine
EP0275841A3 (en) Process for obtaining a valve seat
DE59008011D1 (de) Drosselklappe für eine Brennkraftmaschine.
GB2230818B (en) Valve mechanism of internal combustion engine.
ATE59882T1 (de) Ventilfederanordnung in verbrennungsmotoren.
AU2697188A (en) Internal combustion engine air cleaner inlet diffuser
JPS57183527A (en) Four-cycle engine
AU5405696A (en) Automatic valve for the inlet manifold of an internal combustion engine
DE69010553D1 (de) Steuerungssystem des Drosselventils für Brennkraftmaschinen.
ZA90690B (en) Spherical rotary valve assembly for an internal combustion engine
AU7893991A (en) Internal combustion type steam engine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE ES FR GB SE

17P Request for examination filed

Effective date: 19881008

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE ES FR GB SE

17Q First examination report despatched

Effective date: 19900515

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19900926