DE3017787C2 - - Google Patents

Info

Publication number
DE3017787C2
DE3017787C2 DE3017787A DE3017787A DE3017787C2 DE 3017787 C2 DE3017787 C2 DE 3017787C2 DE 3017787 A DE3017787 A DE 3017787A DE 3017787 A DE3017787 A DE 3017787A DE 3017787 C2 DE3017787 C2 DE 3017787C2
Authority
DE
Germany
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.)
Expired
Application number
DE3017787A
Other languages
German (de)
Other versions
DE3017787A1 (en
Inventor
Rolf Dipl.-Ing. 5060 Bergisch Gladbach De Eckert
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.)
Kloeckner Humboldt Deutz AG
Original Assignee
Kloeckner Humboldt Deutz 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 Kloeckner Humboldt Deutz AG filed Critical Kloeckner Humboldt Deutz AG
Priority to DE3017787A priority Critical patent/DE3017787C2/de
Publication of DE3017787A1 publication Critical patent/DE3017787A1/en
Application granted granted Critical
Publication of DE3017787C2 publication Critical patent/DE3017787C2/de
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00Pistons 
    • F02F3/16Pistons  having cooling means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0672Omega-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder center axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00Pistons 
    • F02F3/0015Multi-part pistons
    • F02F3/0023Multi-part pistons the parts being bolted or screwed together
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00Pistons 
    • F02F3/10Pistons  having surface coverings
    • F02F3/12Pistons  having surface coverings on piston heads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0603Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston at least part of the interior volume or the wall of the combustion space being made of material different from the surrounding piston part, e.g. combustion space formed within a ceramic part fixed to a metal piston head
    • F02B2023/0612Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston at least part of the interior volume or the wall of the combustion space being made of material different from the surrounding piston part, e.g. combustion space formed within a ceramic part fixed to a metal piston head the material having a high temperature and pressure resistance, e.g. ceramic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05CINDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00Metals
    • F05C2201/04Heavy metals
    • F05C2201/0433Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0448Steel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies
DE3017787A 1980-05-09 1980-05-09 Expired DE3017787C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE3017787A DE3017787C2 (en) 1980-05-09 1980-05-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3017787A DE3017787C2 (en) 1980-05-09 1980-05-09

Publications (2)

Publication Number Publication Date
DE3017787A1 DE3017787A1 (en) 1981-11-12
DE3017787C2 true DE3017787C2 (en) 1987-01-29

Family

ID=6101996

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3017787A Expired DE3017787C2 (en) 1980-05-09 1980-05-09

Country Status (1)

Country Link
DE (1) DE3017787C2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4433616A (en) * 1981-07-06 1984-02-28 Deere & Company Piston assembly for an internal combustion engine
DE3205173A1 (en) * 1982-02-13 1983-08-25 Schmidt Gmbh Karl PISTON FOR COMBUSTION ENGINES USED WITH HEAVY OIL
DE3470908D1 (en) * 1983-10-26 1988-06-09 Mahle Gmbh Multi-part piston for internal-combustion engines, having a partly isolated cooling oil conduit
JPH0457861B2 (en) * 1984-03-13 1992-09-14 Ngk Insulators Ltd
DE3511836C1 (en) * 1985-03-30 1986-10-09 Man B & W Diesel Gmbh Built-up reciprocating piston of an internal combustion engine
DE3625492A1 (en) * 1986-07-28 1988-02-04 Kloeckner Humboldt Deutz Ag MULTI-PIECE PISTON FOR AN INTERNAL COMBUSTION ENGINE
DE10107425A1 (en) * 2001-02-16 2002-08-22 Mahle Gmbh Thread lock for built pistons
CN103147840B (en) * 2012-12-18 2015-04-22 宁波大叶园林设备有限公司 Petrol engine for turbulence reversing emission reducing of logarithmic differentiation isogonal line skirt edge of piston skirt

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE133455C (en) *
US2234762A (en) * 1939-04-01 1941-03-11 John L Harrah Piston construction
AT179143B (en) * 1953-01-28 1954-07-26 Maybach Motorenbau Gmbh Screw connection for multi-part pistons of internal combustion engines, in particular for motor vehicles
GB1577685A (en) * 1976-12-30 1980-10-29 Cummins Engine Co Inc Insulated composite piston

Also Published As

Publication number Publication date
DE3017787A1 (en) 1981-11-12

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee