IT1182507B - Pistoni con profilo asimmetrico per motori a combustione interna - Google Patents

Pistoni con profilo asimmetrico per motori a combustione interna

Info

Publication number
IT1182507B
IT1182507B IT67640/85A IT6764085A IT1182507B IT 1182507 B IT1182507 B IT 1182507B IT 67640/85 A IT67640/85 A IT 67640/85A IT 6764085 A IT6764085 A IT 6764085A IT 1182507 B IT1182507 B IT 1182507B
Authority
IT
Italy
Prior art keywords
pistons
internal combustion
combustion engines
asymmetric profile
asymmetric
Prior art date
Application number
IT67640/85A
Other languages
English (en)
Other versions
IT8567640A0 (it
Inventor
Ludovico Bruni
Original Assignee
Ae Borgo Spa
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 Borgo Spa filed Critical Ae Borgo Spa
Priority to IT67640/85A priority Critical patent/IT1182507B/it
Publication of IT8567640A0 publication Critical patent/IT8567640A0/it
Priority to EP86109077A priority patent/EP0209006B2/en
Priority to DE8686109077T priority patent/DE3666487D1/de
Priority to US06/882,717 priority patent/US4831919A/en
Priority to BR8603250A priority patent/BR8603250A/pt
Priority to ES8600271A priority patent/ES2000919A6/es
Priority to KR1019860005633A priority patent/KR870001391A/ko
Application granted granted Critical
Publication of IT1182507B publication Critical patent/IT1182507B/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 
    • F02F3/02—Pistons  having means for accommodating or controlling heat expansion
    • F02F3/022—Pistons  having means for accommodating or controlling heat expansion the pistons having an oval circumference or non-cylindrical shaped skirts, e.g. oval
    • 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 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G1/00—Driving-belts
    • F16G1/02—Driving-belts made of leather
    • 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
    • F02F2200/00—Manufacturing
    • F02F2200/06—Casting
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49249—Piston making

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Rotary Pumps (AREA)
  • Hydraulic Motors (AREA)
IT67640/85A 1985-07-12 1985-07-12 Pistoni con profilo asimmetrico per motori a combustione interna IT1182507B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT67640/85A IT1182507B (it) 1985-07-12 1985-07-12 Pistoni con profilo asimmetrico per motori a combustione interna
EP86109077A EP0209006B2 (en) 1985-07-12 1986-07-03 Pistons
DE8686109077T DE3666487D1 (en) 1985-07-12 1986-07-03 Pistons
US06/882,717 US4831919A (en) 1985-07-12 1986-07-07 Asymmetric oval piston with higher convexity thrust face
BR8603250A BR8603250A (pt) 1985-07-12 1986-07-10 Pistoes e processo para otimizar o desempenho em relacao a estabilidade,ruido,arranhaduras e desgaste de um pistao
ES8600271A ES2000919A6 (es) 1985-07-12 1986-07-11 Piston para motor de combustion interna
KR1019860005633A KR870001391A (ko) 1985-07-12 1986-07-12 피스톤

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67640/85A IT1182507B (it) 1985-07-12 1985-07-12 Pistoni con profilo asimmetrico per motori a combustione interna

Publications (2)

Publication Number Publication Date
IT8567640A0 IT8567640A0 (it) 1985-07-12
IT1182507B true IT1182507B (it) 1987-10-05

Family

ID=11304129

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67640/85A IT1182507B (it) 1985-07-12 1985-07-12 Pistoni con profilo asimmetrico per motori a combustione interna

Country Status (7)

Country Link
US (1) US4831919A (it)
EP (1) EP0209006B2 (it)
KR (1) KR870001391A (it)
BR (1) BR8603250A (it)
DE (1) DE3666487D1 (it)
ES (1) ES2000919A6 (it)
IT (1) IT1182507B (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3527032A1 (de) * 1985-07-27 1987-01-29 Mahle Gmbh Tauchkolben, insbesondere fuer verbrennungsmotoren
US5048398A (en) * 1986-12-23 1991-09-17 Mahle Gmbh Single, light-weight and low friction light-metal piston for internal-combustion engines
DE3843761A1 (de) * 1988-12-24 1990-07-05 Mahle Gmbh Leichter tauchkolben fuer verbrennungsmotoren
WO1990007642A1 (de) * 1988-12-24 1990-07-12 Mahle Gmbh Leichter tauchkolben für verbrennungsmotoren
US4934350A (en) * 1989-01-12 1990-06-19 Outboard Marine Corporation Method to prevent piston ring rotation
JPH0310057U (it) * 1989-06-20 1991-01-30
US5107807A (en) * 1989-09-28 1992-04-28 Nissan Motor Company, Ltd. Piston for internal combustion engine
DE3936961C2 (de) * 1989-11-07 1994-02-17 Mahle Gmbh Tauchkolben für Verbrennungsmotoren mit gelenkig verbundenem Kopf und Schaft
DE4108650C2 (de) * 1990-05-08 1999-04-15 Mahle Gmbh Gekühlter Tauchkolben für Verbrennungsmotoren mit voneinander getrenntem Kolbenoberteil und Kolbenschaft
DE4014705C2 (de) * 1990-05-08 1999-06-10 Mahle Gmbh Gekühlter Tauchkolben für Verbrennungsmotoren mit voneinander getrenntem Kolbenoberteil und Kolbenschaft
JP2697321B2 (ja) * 1991-01-25 1998-01-14 日産自動車株式会社 内燃機関のピストン
US5172626A (en) * 1991-08-22 1992-12-22 General Motors Corporation Stabilized piston skirt having varying peaks and concave surfaces
US5261321A (en) * 1992-03-06 1993-11-16 Zollner Corporation Piston having oval shaped crown
SE9200995L (sv) * 1992-03-31 1993-05-24 Uniroc Ab Slagkolv foer saenkborrmaskin
US5320075A (en) * 1993-03-10 1994-06-14 Chrysler Corporation Internal combustion engine with dual ignition for a lean burn
US5544627A (en) * 1995-03-21 1996-08-13 Terziev; Nicola Engine design for gasoline/diesel engines
JP2000282951A (ja) * 1999-01-29 2000-10-10 Honda Motor Co Ltd 内燃機関用ピストン
US7302884B2 (en) * 2005-11-03 2007-12-04 Dresser, Inc. Piston
US7293497B2 (en) * 2005-11-03 2007-11-13 Dresser, Inc. Piston
DE102007020447A1 (de) * 2007-04-27 2008-10-30 Mahle International Gmbh Kolben für einen Verbrennungsmotor
DE102008002536B4 (de) * 2008-06-19 2015-02-12 Federal-Mogul Nürnberg GmbH Kolben für einen Verbrennungsmotor
US8720405B2 (en) * 2008-10-13 2014-05-13 Delaware Capital Formation, Inc. Piston with improved side loading resistance
DE102011002653A1 (de) * 2011-01-13 2012-07-19 Federal-Mogul Nürnberg GmbH Kolben zum Einsatz in Verbrennungsmotoren
CN103596724B (zh) * 2011-04-15 2016-07-06 费德罗-莫格尔公司 活塞和制造活塞的方法
CN102184293B (zh) * 2011-05-11 2014-06-11 重庆长安汽车股份有限公司 一种活塞裙部空间曲面设计方法
KR20180004290A (ko) * 2013-10-14 2018-01-10 카에스 콜벤슈미트 게엠베하 내연기관용 피스톤 및 그 제조방법
CN111462104B (zh) * 2020-04-08 2023-09-22 京东科技信息技术有限公司 一种禽蛋大小头检测方法、装置、电子设备及存储介质
CN111486018B (zh) * 2020-04-30 2025-03-11 安庆雅德帝伯活塞有限公司 一种裙部非对称活塞及发动机

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1758444A (en) * 1922-03-17 1930-05-13 Cleveland Trust Co Piston
US1502765A (en) * 1923-04-30 1924-07-29 Martin B Covert Method of fitting pistons
GB393926A (en) * 1930-09-10 1933-06-15 Steyr Werke A G Improvements in and relating to pistons for internal combustion engines
US1939778A (en) * 1932-06-29 1933-12-19 Cleveland Trust Co Piston
US2044074A (en) * 1933-07-25 1936-06-16 Cleveland Trust Co Piston
GB456792A (en) * 1935-01-21 1936-11-16 Aluminium Ltd Improvements in or relating to pistons
US2309555A (en) * 1942-03-30 1943-01-26 Sterling Corp Piston
US2513814A (en) * 1947-01-21 1950-07-04 Aluminum Co Of America Piston
US2563887A (en) * 1948-03-02 1951-08-14 Thompson Prod Inc Strut type piston
DE856247C (de) * 1950-12-09 1952-11-20 Schmidt Gmbh Karl Kolben fuer Brennkraftmaschinen
US2795468A (en) * 1955-05-02 1957-06-11 Sterling Aluminum Products Inc Trunk piston
US2911269A (en) * 1958-01-13 1959-11-03 Sterling Aluminum Products Inc Trunk piston
DE1475846B2 (de) * 1965-01-12 1970-06-18 Karl Schmidt Gmbh, 7107 Neckarsulm Kolben, insbesondere für Verbrennungskraftmaschinen
JPS4414164Y1 (it) * 1965-11-04 1969-06-16
US4302992A (en) * 1980-01-17 1981-12-01 F. Jos. Lamb Company Piston turning machine
DE3022858C2 (de) * 1980-06-19 1984-07-26 Mahle Gmbh, 7000 Stuttgart Kolben für Verbrennungsmotoren
JPS5781143A (en) * 1980-11-07 1982-05-21 Fuji Heavy Ind Ltd Piston for internal combustion engine

Also Published As

Publication number Publication date
DE3666487D1 (en) 1989-11-23
US4831919A (en) 1989-05-23
EP0209006B1 (en) 1989-10-18
EP0209006A1 (en) 1987-01-21
ES2000919A6 (es) 1988-04-01
BR8603250A (pt) 1987-02-24
KR870001391A (ko) 1987-03-13
EP0209006B2 (en) 1994-07-06
IT8567640A0 (it) 1985-07-12

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