IT1112829B - Procedimento per evitare incrinature nelle costole valvolari della testata di macchine a combustione interna,come pure dispositivo per la realizzazione di questo procedimento - Google Patents

Procedimento per evitare incrinature nelle costole valvolari della testata di macchine a combustione interna,come pure dispositivo per la realizzazione di questo procedimento

Info

Publication number
IT1112829B
IT1112829B IT22377/79A IT2237779A IT1112829B IT 1112829 B IT1112829 B IT 1112829B IT 22377/79 A IT22377/79 A IT 22377/79A IT 2237779 A IT2237779 A IT 2237779A IT 1112829 B IT1112829 B IT 1112829B
Authority
IT
Italy
Prior art keywords
procedure
implementation
head
well
internal combustion
Prior art date
Application number
IT22377/79A
Other languages
English (en)
Other versions
IT7922377A0 (it
Original Assignee
Maschf Augsburg Nuernberg Ag
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 Maschf Augsburg Nuernberg Ag filed Critical Maschf Augsburg Nuernberg Ag
Publication of IT7922377A0 publication Critical patent/IT7922377A0/it
Application granted granted Critical
Publication of IT1112829B publication Critical patent/IT1112829B/it

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
    • F02F1/26—Cylinder heads having cooling means
    • F02F1/36—Cylinder heads having cooling means for liquid cooling
    • F02F1/38—Cylinder heads having cooling means for liquid cooling the cylinder heads being of overhead valve type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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 
    • F02F2001/008—Stress problems, especially related to thermal stress
    • 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
    • F02F2001/247—Arrangement of valve stems in cylinder heads the valve stems being orientated in parallel with the cylinder axis
    • 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
    • F02F2001/248—Methods for avoiding thermal stress-induced cracks in the zone between valve seat openings

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
IT22377/79A 1978-05-09 1979-05-04 Procedimento per evitare incrinature nelle costole valvolari della testata di macchine a combustione interna,come pure dispositivo per la realizzazione di questo procedimento IT1112829B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782820149 DE2820149A1 (de) 1978-05-09 1978-05-09 Verfahren zum verhindern von ventilstegrissen im zylinderkopf von brennkraftmaschinen sowie vorrichtung zur durchfuehrung dieses verfahrens

Publications (2)

Publication Number Publication Date
IT7922377A0 IT7922377A0 (it) 1979-05-04
IT1112829B true IT1112829B (it) 1986-01-20

Family

ID=6038917

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22377/79A IT1112829B (it) 1978-05-09 1979-05-04 Procedimento per evitare incrinature nelle costole valvolari della testata di macchine a combustione interna,come pure dispositivo per la realizzazione di questo procedimento

Country Status (11)

Country Link
US (1) US4248191A (it)
JP (1) JPS54147312A (it)
DD (1) DD143453A1 (it)
DE (1) DE2820149A1 (it)
FR (1) FR2425550A1 (it)
GB (1) GB2020744B (it)
HU (1) HU180497B (it)
IN (1) IN151114B (it)
IT (1) IT1112829B (it)
SE (1) SE7904039L (it)
SU (1) SU917707A3 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4831976A (en) * 1987-02-02 1989-05-23 General Motors Corporation Engine with valve seat inserts and method of retaining
US5745993A (en) * 1996-02-27 1998-05-05 Yamaha Hatsudoki Kabushiki Kaisha Valve seat
US8161614B2 (en) 2009-03-20 2012-04-24 Bendix Spicer Foundation Brake Llc Air disk brake caliper pre-stressing method and pre-stressed caliper apparatus
US20160076480A1 (en) * 2012-02-04 2016-03-17 David Endrigo Valve seats for cylinder heads in aircraft engines

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL31955C (it) * 1929-01-17
CH138101A (de) * 1930-04-07 1930-02-15 Schweizerische Lokomotiv Zylinderdeckel für Viertakt-Verbrennungskraftmaschinen.
US2716969A (en) * 1951-07-25 1955-09-06 Durex S A Air-or liquid-cooled cylinder head for internal combustion engines
US3115127A (en) * 1961-10-02 1963-12-24 Charles O Spencer Removable insert for internal combustion chambers
DE2061930C2 (de) * 1970-12-16 1983-10-20 Klöckner-Humboldt-Deutz AG, 5000 Köln Leichtmetallzylinderkopf für luftgekühlte Hubkolbenbrennkraftmaschinen
AU532282B2 (en) * 1978-02-15 1983-09-22 Peter Leonard Brinkworth Cultivation of marron

Also Published As

Publication number Publication date
DD143453A1 (de) 1980-08-20
SE7904039L (sv) 1979-11-10
GB2020744B (en) 1982-09-22
US4248191A (en) 1981-02-03
FR2425550A1 (fr) 1979-12-07
JPS54147312A (en) 1979-11-17
IT7922377A0 (it) 1979-05-04
DE2820149A1 (de) 1979-12-13
HU180497B (en) 1983-03-28
GB2020744A (en) 1979-11-21
SU917707A3 (ru) 1982-03-30
IN151114B (it) 1983-02-26

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