EP0275841A3 - Verfahren zur Herstellung eines Ventilsitzes - Google Patents
Verfahren zur Herstellung eines Ventilsitzes Download PDFInfo
- 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- Withdrawn
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67963/86A IT1196870B (it) | 1986-12-23 | 1986-12-23 | Procedimento per l'ottenimento di una sede valvola |
IT6796386 | 1986-12-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0275841A2 EP0275841A2 (de) | 1988-07-27 |
EP0275841A3 true EP0275841A3 (de) | 1990-01-31 |
Family
ID=11306764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87830446A Withdrawn EP0275841A3 (de) | 1986-12-23 | 1987-12-17 | Verfahren zur Herstellung eines Ventilsitzes |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0275841A3 (de) |
BR (1) | BR8706933A (de) |
IT (1) | IT1196870B (de) |
YU (1) | YU47052B (de) |
Families Citing this family (7)
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)
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 |
-
1986
- 1986-12-23 IT IT67963/86A patent/IT1196870B/it active
-
1987
- 1987-12-16 BR BR8706933A patent/BR8706933A/pt not_active IP Right Cessation
- 1987-12-16 YU YU229087A patent/YU47052B/sh unknown
- 1987-12-17 EP EP87830446A patent/EP0275841A3/de not_active Withdrawn
Patent Citations (6)
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 |
---|---|
YU47052B (sh) | 1994-12-28 |
IT8667963A0 (it) | 1986-12-23 |
EP0275841A2 (de) | 1988-07-27 |
BR8706933A (pt) | 1988-07-26 |
IT1196870B (it) | 1988-11-25 |
YU229087A (en) | 1990-02-28 |
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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 |