IT8322836A0 - Pistoni per motori a combustione interna. - Google Patents

Pistoni per motori a combustione interna.

Info

Publication number
IT8322836A0
IT8322836A0 IT8322836A IT2283683A IT8322836A0 IT 8322836 A0 IT8322836 A0 IT 8322836A0 IT 8322836 A IT8322836 A IT 8322836A IT 2283683 A IT2283683 A IT 2283683A IT 8322836 A0 IT8322836 A0 IT 8322836A0
Authority
IT
Italy
Prior art keywords
pistons
internal combustion
combustion engines
engines
internal
Prior art date
Application number
IT8322836A
Other languages
English (en)
Other versions
IT1169810B (it
Inventor
Roger Harvey Slee
Original Assignee
Ae Plc
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 Ae Plc filed Critical Ae Plc
Publication of IT8322836A0 publication Critical patent/IT8322836A0/it
Application granted granted Critical
Publication of IT1169810B publication Critical patent/IT1169810B/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
    • F02F3/00—Pistons 
    • F02F3/0015—Multi-part pistons
    • F02F3/0023—Multi-part pistons the parts being bolted or screwed together
    • 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
    • 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
    • F02B23/0696—W-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 wall
    • 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
    • F02B75/00—Other engines
    • F02B75/36—Engines with parts of combustion- or working-chamber walls resiliently yielding under pressure
    • F02B75/38—Reciprocating - piston engines
    • 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
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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
    • F02B75/00—Other engines
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-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
    • 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
    • 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
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0448—Steel
    • 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)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
IT22836/83A 1982-09-11 1983-09-09 Pistoni per motori a combustione interna IT1169810B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8225967 1982-09-11

Publications (2)

Publication Number Publication Date
IT8322836A0 true IT8322836A0 (it) 1983-09-09
IT1169810B IT1169810B (it) 1987-06-03

Family

ID=10532854

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22836/83A IT1169810B (it) 1982-09-11 1983-09-09 Pistoni per motori a combustione interna

Country Status (6)

Country Link
US (1) US4510895A (it)
JP (1) JPS59131748A (it)
CA (1) CA1218909A (it)
DE (1) DE3332358A1 (it)
FR (1) FR2540562B1 (it)
IT (1) IT1169810B (it)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3612842A1 (de) * 1986-04-16 1987-10-22 Bayerische Motoren Werke Ag Brennkraftmaschine, insbesondere hubkolben-brennkraftmaschine, mit im betrieb veraenderbarem verdichtungsraum
DE4041637C1 (it) * 1990-12-22 1992-04-09 Mtu Friedrichshafen Gmbh
US5769042A (en) * 1995-04-26 1998-06-23 Popadiuc; Ovidiu Petru Method of operating an internal combustion engine during a combustion process
US5755192A (en) * 1997-01-16 1998-05-26 Ford Global Technologies, Inc. Variable compression ratio piston
US6182630B1 (en) * 1998-11-23 2001-02-06 Federal-Mogul World Wide, Inc. Bolted articulated piston
US6135086A (en) * 1999-01-19 2000-10-24 Ford Global Technologies, Inc. Internal combustion engine with adjustable compression ratio and knock control
US6371062B1 (en) 2000-10-18 2002-04-16 Ford Global Technologies, Inc. Variable compression ratio connecting rods
US6568357B1 (en) 2000-10-18 2003-05-27 Ford Global Technologies, Inc. Variable compression ratio pistons and connecting rods
US6557503B2 (en) * 2001-08-08 2003-05-06 General Electric Co. Method for lowering fuel consumption and nitrogen oxide emissions in two-stroke diesel engines
US6394047B1 (en) 2001-08-10 2002-05-28 Ford Global Technologies, Inc. Connecting rod for a variable compression engine
US20050166890A1 (en) * 2002-06-11 2005-08-04 Wickman David D. Piston/combustion chamber configurations for enhanced ci engine performace
US6752105B2 (en) * 2002-08-09 2004-06-22 The United States Of America As Represented By The Administrator Of The United States Environmental Protection Agency Piston-in-piston variable compression ratio engine
US6973723B2 (en) * 2003-01-08 2005-12-13 International Engine Intellectual Property Company, Llc Piston formed by powder metallurgical methods
US6892693B2 (en) * 2003-02-12 2005-05-17 Bombardier Recreational Products, Inc. Piston for spark-ignited direct fuel injection engine
US6945219B2 (en) * 2004-02-09 2005-09-20 Bombardier Recreational Products Inc. Dual zone combustion chamber
US7318397B2 (en) * 2004-04-02 2008-01-15 Combustion Electromagnetics Inc. High efficiency high power internal combustion engine operating in a high compression conversion exchange cycle
CN1719013A (zh) * 2005-01-04 2006-01-11 王希平 一种变容发动机
DE102006015265A1 (de) * 2006-04-01 2007-10-31 Audi Ag Kolben für eine Verbrennungskraftmaschine mit variabler Verdichtung
DE102009048172A1 (de) 2009-10-02 2011-04-07 Daimler Ag Kolben für eine ein veränderbares Kompressionsverhältnis aufweisende Verbrennungskraftmaschine
CN103270283B (zh) * 2010-12-27 2016-06-01 三菱自动车工业株式会社 活塞
DE102012005922B4 (de) * 2012-03-26 2017-03-02 Peter Kreuter Kolben für eine Kolbenbrennkraftmaschine
JP2015007387A (ja) * 2013-06-25 2015-01-15 三菱自動車工業株式会社 内燃機関のピストンおよびピストンの組立方法
US10634089B2 (en) * 2017-12-12 2020-04-28 GM Global Technology Operations LLC Diesel piston with sharp-step profile
SE543474C2 (sv) * 2019-02-01 2021-03-02 Hedman Ericsson Patent Ab Metod för åstadkommande av variabelt kompressionsförhållande i förbränningsmotor och anordning för metoden

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB235676A (en) * 1924-04-08 1925-06-25 Rowland Greenwood Improvements in or relating to pistons
DE461459C (de) * 1926-08-03 1932-02-09 Erich Schweter Dipl Ing Einrichtung zur Veraenderung des Verdichtungsraums
GB300808A (en) * 1927-12-09 1928-11-22 Erich Schweter Improvements in pistons
GB365075A (en) * 1930-10-13 1932-01-11 Alexander William Cavender Improvements relating to the pistons of internal combustion engines
US2143586A (en) * 1935-07-12 1939-01-10 Sulzer Ag Reciprocating piston engine construction
DE667002C (de) * 1936-02-06 1938-11-03 George Noy Kolben fuer luftverdichtende Brennkraftmaschinen
GB762074A (en) * 1952-06-10 1956-11-21 British Internal Combust Eng Improvements in or relating to internal combustion engines and pistons therefor
FR1153247A (fr) * 1956-06-29 1958-03-04 Embiellage élastique pour moteurs à explosion
FR72230E (fr) * 1957-09-04 1960-08-05 Embiellage élastique pour moteurs à explosion
US3038458A (en) * 1959-10-09 1962-06-12 British Internal Combust Eng Internal combustion engines and pistons therefor
JPS4963815A (it) * 1972-10-20 1974-06-20
JPS5141118A (ja) * 1974-10-02 1976-04-06 Setsuo Shimada Nainenkikan
JPS53136112A (en) * 1977-05-02 1978-11-28 Isamu Nemoto Variable compression ratio engine
DE2824602C3 (de) * 1978-06-05 1982-02-11 IRM-Antriebstechnik GmbH, 7057 Winnenden Hubkolbenbrennkraftmaschine mit gesteuerter teilweiser Ladungsselbstzündung
DE2914456A1 (de) * 1979-04-10 1980-10-23 Schmidt Gmbh Karl Gebauter kolben fuer brennkraftmaschinen
DE3021093A1 (de) * 1980-06-04 1981-12-10 Klöckner-Humboldt-Deutz AG, 5000 Köln Kolben fuer brennkraftmaschine mit veraenderlicher aussenkontur
JPS59128949A (ja) * 1983-01-12 1984-07-25 Yanmar Diesel Engine Co Ltd 可変圧縮型ピストン

Also Published As

Publication number Publication date
US4510895A (en) 1985-04-16
DE3332358A1 (de) 1984-03-29
FR2540562A1 (fr) 1984-08-10
JPS59131748A (ja) 1984-07-28
IT1169810B (it) 1987-06-03
FR2540562B1 (fr) 1988-12-02
CA1218909A (en) 1987-03-10

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