GB2188123B - A thermally insulated piston - Google Patents

A thermally insulated piston

Info

Publication number
GB2188123B
GB2188123B GB8706659A GB8706659A GB2188123B GB 2188123 B GB2188123 B GB 2188123B GB 8706659 A GB8706659 A GB 8706659A GB 8706659 A GB8706659 A GB 8706659A GB 2188123 B GB2188123 B GB 2188123B
Authority
GB
United Kingdom
Prior art keywords
thermally insulated
insulated piston
piston
thermally
insulated
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.)
Expired
Application number
GB8706659A
Other languages
English (en)
Other versions
GB2188123A (en
GB8706659D0 (en
Inventor
Norbert Zernig
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
Publication of GB8706659D0 publication Critical patent/GB8706659D0/en
Publication of GB2188123A publication Critical patent/GB2188123A/en
Application granted granted Critical
Publication of GB2188123B publication Critical patent/GB2188123B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0678—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0603—Other 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
    • 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
    • F02F3/00—Pistons 
    • F02F3/10—Pistons  having surface coverings
    • F02F3/12—Pistons  having surface coverings on piston heads
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0603—Other 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
    • F02B2023/0612—Other 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
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0618—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston having in-cylinder means to influence the charge motion
    • F02B23/0624—Swirl flow
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0645—Details related to the fuel injector or the fuel spray
    • F02B23/0654—Thermal treatments, e.g. with heating elements or local cooling
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2251/00—Material properties
    • F05C2251/04—Thermal properties
    • F05C2251/048—Heat transfer
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
GB8706659A 1986-03-22 1987-03-20 A thermally insulated piston Expired GB2188123B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863609752 DE3609752A1 (de) 1986-03-22 1986-03-22 Thermisch isolierter kolben

Publications (3)

Publication Number Publication Date
GB8706659D0 GB8706659D0 (en) 1987-04-23
GB2188123A GB2188123A (en) 1987-09-23
GB2188123B true GB2188123B (en) 1989-11-15

Family

ID=6297051

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8706659A Expired GB2188123B (en) 1986-03-22 1987-03-20 A thermally insulated piston

Country Status (3)

Country Link
DE (1) DE3609752A1 (enrdf_load_stackoverflow)
FR (1) FR2596104B1 (enrdf_load_stackoverflow)
GB (1) GB2188123B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19952868B4 (de) * 1999-11-03 2005-03-17 Ks Kolbenschmidt Gmbh Kolben und Kolbenanordnung
GB0909585D0 (en) * 2009-05-20 2009-07-15 Bayram Peter J Improvements to 2 & 4-stroke internal combustion engine pistons
JP6232954B2 (ja) * 2013-11-12 2017-11-22 トヨタ自動車株式会社 内燃機関
JP6733811B2 (ja) * 2017-04-04 2020-08-05 日産自動車株式会社 ピストン

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125517A (en) * 1982-08-20 1984-03-07 Ae Plc Pistons and methods for their manufacture
GB2130336A (en) * 1982-09-15 1984-05-31 South Western Ind Res Securing and heat-insulating piston crown
GB2135222A (en) * 1983-02-04 1984-08-30 Ae Plc The reinforcement of pistons of aluminium or aluminium alloys
GB2164419A (en) * 1984-09-12 1986-03-19 Ae Plc Improvements in or relating to pistons

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE834793C (de) * 1950-11-25 1952-03-24 Mahle Kom Ges Leichtmetallkolben fuer Brennkraftmaschinen
DE2513272A1 (de) * 1975-03-26 1976-10-07 Volkswagenwerk Ag Verbrennungskraftmaschine
JPS59110848A (ja) * 1982-12-16 1984-06-26 Kawasaki Heavy Ind Ltd ピストンクラウン製造方法
DE3321212A1 (de) * 1983-06-11 1984-12-13 Kolbenschmidt AG, 7107 Neckarsulm Aus einem leichtmetallwerkstoff gegossenes bauteil fuer brennkraftmaschinen
DE3330554A1 (de) * 1983-08-24 1985-03-07 Kolbenschmidt AG, 7107 Neckarsulm Kolben fuer brennkraftmaschinen
JPS60182341A (ja) * 1984-02-29 1985-09-17 Isuzu Motors Ltd 燃焼室壁面を多孔質断熱材で被覆した内燃機関
JPS60240854A (ja) * 1984-05-15 1985-11-29 Toyota Motor Corp 軽金属製内燃機関用ピストン
DE3516308A1 (de) * 1985-05-07 1986-11-13 Daimler-Benz Ag, 7000 Stuttgart Kolben fuer eine brennkraftmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125517A (en) * 1982-08-20 1984-03-07 Ae Plc Pistons and methods for their manufacture
GB2130336A (en) * 1982-09-15 1984-05-31 South Western Ind Res Securing and heat-insulating piston crown
GB2135222A (en) * 1983-02-04 1984-08-30 Ae Plc The reinforcement of pistons of aluminium or aluminium alloys
GB2164419A (en) * 1984-09-12 1986-03-19 Ae Plc Improvements in or relating to pistons

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WO 86/01858 *

Also Published As

Publication number Publication date
FR2596104B1 (fr) 1990-05-25
DE3609752A1 (de) 1987-10-01
FR2596104A1 (fr) 1987-09-25
DE3609752C2 (enrdf_load_stackoverflow) 1989-06-22
GB2188123A (en) 1987-09-23
GB8706659D0 (en) 1987-04-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee