DD143453A1 - Verfahren und vorrichtung zum verhindern von ventilstegrissen - Google Patents

Verfahren und vorrichtung zum verhindern von ventilstegrissen Download PDF

Info

Publication number
DD143453A1
DD143453A1 DD79212702A DD21270279A DD143453A1 DD 143453 A1 DD143453 A1 DD 143453A1 DD 79212702 A DD79212702 A DD 79212702A DD 21270279 A DD21270279 A DD 21270279A DD 143453 A1 DD143453 A1 DD 143453A1
Authority
DD
German Democratic Republic
Prior art keywords
cylinder head
valve
cylinder
strengths
preventing valve
Prior art date
Application number
DD79212702A
Other languages
German (de)
English (en)
Inventor
Max Albert
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 DD143453A1 publication Critical patent/DD143453A1/de

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)
DD79212702A 1978-05-09 1979-05-07 Verfahren und vorrichtung zum verhindern von ventilstegrissen DD143453A1 (de)

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 (1)

Publication Number Publication Date
DD143453A1 true DD143453A1 (de) 1980-08-20

Family

ID=6038917

Family Applications (1)

Application Number Title Priority Date Filing Date
DD79212702A DD143453A1 (de) 1978-05-09 1979-05-07 Verfahren und vorrichtung zum verhindern von ventilstegrissen

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
SU917707A3 (ru) 1982-03-30
GB2020744B (en) 1982-09-22
JPS54147312A (en) 1979-11-17
HU180497B (en) 1983-03-28
FR2425550A1 (fr) 1979-12-07
IN151114B (it) 1983-02-26
GB2020744A (en) 1979-11-21
IT1112829B (it) 1986-01-20
IT7922377A0 (it) 1979-05-04
US4248191A (en) 1981-02-03
DE2820149A1 (de) 1979-12-13
SE7904039L (sv) 1979-11-10

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