IT1237263B - Sistema per variare con continuita' e a volonta' durante la marcia la posizione dei pistoni dei motori a combustione interna al punto morto superiore del ciclo di funzionamento. - Google Patents

Sistema per variare con continuita' e a volonta' durante la marcia la posizione dei pistoni dei motori a combustione interna al punto morto superiore del ciclo di funzionamento.

Info

Publication number
IT1237263B
IT1237263B IT04868789A IT4868789A IT1237263B IT 1237263 B IT1237263 B IT 1237263B IT 04868789 A IT04868789 A IT 04868789A IT 4868789 A IT4868789 A IT 4868789A IT 1237263 B IT1237263 B IT 1237263B
Authority
IT
Italy
Prior art keywords
pistons
ride
continuity
change
during
Prior art date
Application number
IT04868789A
Other languages
English (en)
Other versions
IT8948687A1 (it
IT8948687A0 (it
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 filed Critical
Priority to IT04868789A priority Critical patent/IT1237263B/it
Publication of IT8948687A0 publication Critical patent/IT8948687A0/it
Priority to EP90830607A priority patent/EP0434646A1/en
Publication of IT8948687A1 publication Critical patent/IT8948687A1/it
Application granted granted Critical
Publication of IT1237263B publication Critical patent/IT1237263B/it

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
    • F02B75/00—Other engines
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/045—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable connecting rod length
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D15/00—Varying compression ratio
    • F02D15/02—Varying compression ratio by alteration or displacement of piston stroke
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
IT04868789A 1989-12-21 1989-12-21 Sistema per variare con continuita' e a volonta' durante la marcia la posizione dei pistoni dei motori a combustione interna al punto morto superiore del ciclo di funzionamento. IT1237263B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT04868789A IT1237263B (it) 1989-12-21 1989-12-21 Sistema per variare con continuita' e a volonta' durante la marcia la posizione dei pistoni dei motori a combustione interna al punto morto superiore del ciclo di funzionamento.
EP90830607A EP0434646A1 (en) 1989-12-21 1990-12-20 Top dead centre varying system for an internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT04868789A IT1237263B (it) 1989-12-21 1989-12-21 Sistema per variare con continuita' e a volonta' durante la marcia la posizione dei pistoni dei motori a combustione interna al punto morto superiore del ciclo di funzionamento.

Publications (3)

Publication Number Publication Date
IT8948687A0 IT8948687A0 (it) 1989-12-21
IT8948687A1 IT8948687A1 (it) 1991-06-21
IT1237263B true IT1237263B (it) 1993-05-27

Family

ID=11268048

Family Applications (1)

Application Number Title Priority Date Filing Date
IT04868789A IT1237263B (it) 1989-12-21 1989-12-21 Sistema per variare con continuita' e a volonta' durante la marcia la posizione dei pistoni dei motori a combustione interna al punto morto superiore del ciclo di funzionamento.

Country Status (2)

Country Link
EP (1) EP0434646A1 (it)
IT (1) IT1237263B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2119077C1 (ru) * 1998-02-24 1998-09-20 Конюхов Виталий Алексеевич Способ регулирования мощности многотопливного двигателя внутреннего сгорания методом изменения фаз газораспределения и рабочего объема цилиндров и многотопливный двигатель внутреннего сгорания
DE10058206B4 (de) 2000-05-29 2005-07-28 Meta Motoren- Und Energie-Technik Gmbh Vorrichtung zum Verändern der Verdichtung eines Zylinders einer Hubkolbenbrennkraftmaschine
JP5668601B2 (ja) * 2011-05-24 2015-02-12 日産自動車株式会社 内燃機関の複リンク式ピストン−クランク機構
KR101305797B1 (ko) 2011-11-22 2013-09-06 현대자동차주식회사 가변 압축비 기구유닛

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB412781A (en) * 1933-07-26 1934-07-05 Leo Vitalba Improvements relating to means for varying the compression ratio of internal combustion engines
FR807242A (fr) * 1936-06-08 1937-01-07 Kenjiro Tsuneda Perfectionnements aux moteurs à explosion comportant des moyens pour faire varier le taux de compression
JPS5838344A (ja) * 1981-08-31 1983-03-05 Toyota Motor Corp 内燃機関の可変圧縮比機構
JPS5857040A (ja) * 1981-09-29 1983-04-05 Toyota Motor Corp 内燃機関の可変圧縮比機構
US4864975A (en) * 1987-07-03 1989-09-12 Honda Giken Kogyo Kabushiki Kaisha Compression ratio-changing device for internal combustion engines

Also Published As

Publication number Publication date
IT8948687A1 (it) 1991-06-21
EP0434646A1 (en) 1991-06-26
IT8948687A0 (it) 1989-12-21

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0001 Granted