IT1107725B - Pistone a rapporto di compressione variabile - Google Patents

Pistone a rapporto di compressione variabile

Info

Publication number
IT1107725B
IT1107725B IT25470/77A IT2547077A IT1107725B IT 1107725 B IT1107725 B IT 1107725B IT 25470/77 A IT25470/77 A IT 25470/77A IT 2547077 A IT2547077 A IT 2547077A IT 1107725 B IT1107725 B IT 1107725B
Authority
IT
Italy
Prior art keywords
compression ratio
variable compression
ratio piston
piston
variable
Prior art date
Application number
IT25470/77A
Other languages
English (en)
Original Assignee
Teledyne Ind
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 Teledyne Ind filed Critical Teledyne Ind
Application granted granted Critical
Publication of IT1107725B publication Critical patent/IT1107725B/it

Links

Classifications

    • 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
    • F02D15/04—Varying compression ratio by alteration of volume of compression space without changing 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
    • F02B75/00—Other engines
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/044—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of an adjustable piston length
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/09—Pistons; Trunk pistons; Plungers with means for guiding fluids
    • 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
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Details Of Reciprocating Pumps (AREA)
IT25470/77A 1976-07-19 1977-07-07 Pistone a rapporto di compressione variabile IT1107725B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/706,586 US4079707A (en) 1976-07-19 1976-07-19 Variable compression ratio piston

Publications (1)

Publication Number Publication Date
IT1107725B true IT1107725B (it) 1985-11-25

Family

ID=24838237

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25470/77A IT1107725B (it) 1976-07-19 1977-07-07 Pistone a rapporto di compressione variabile

Country Status (10)

Country Link
US (1) US4079707A (it)
JP (1) JPS6022182B2 (it)
BR (1) BR7704516A (it)
CA (1) CA1063449A (it)
DE (1) DE2732063C2 (it)
FR (1) FR2359284A1 (it)
GB (1) GB1530439A (it)
IL (1) IL52287A (it)
IT (1) IT1107725B (it)
SE (1) SE428309B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827427Y2 (ja) * 1977-09-07 1983-06-14 株式会社東芝 磁気録音再生装置
DE3444834C2 (de) * 1984-02-21 1985-12-19 Mahle Gmbh, 7000 Stuttgart Mehrteiliger Kolben zur Spitzendruckbegrenzung
DE3807244C1 (it) * 1988-03-05 1989-03-23 Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De
DE4041637C1 (it) * 1990-12-22 1992-04-09 Mtu Friedrichshafen Gmbh
DE4117131C1 (it) * 1991-05-25 1992-01-23 Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De
US5247911A (en) * 1991-10-23 1993-09-28 Vratislav Nenicka Compression ratio control in gasoline engines
US5331928A (en) * 1992-06-03 1994-07-26 Southwest Research Institute Variable compression piston
US5257600A (en) * 1993-01-07 1993-11-02 Ford Motor Company Variable compression piston
US5476074A (en) * 1994-06-27 1995-12-19 Ford Motor Company Variable compression height piston for internal combustion engine
JP4084718B2 (ja) * 2003-07-31 2008-04-30 本田技研工業株式会社 内燃機関の圧縮比可変装置
JP4430654B2 (ja) * 2005-12-28 2010-03-10 本田技研工業株式会社 内燃機関の圧縮比可変装置
US20120227705A1 (en) * 2010-03-02 2012-09-13 Toyota Jidosha Kabushiki Kaisha Combustion pressure control system
US9856790B2 (en) * 2015-08-10 2018-01-02 Hyundai Motor Company Variable compression ratio apparatus
AT519156B1 (de) * 2016-09-30 2018-11-15 Avl List Gmbh Längenverstellbares Pleuel für eine Hubkolbenmaschine, Hubkolbenmaschine und Fahrzeug
DE102018210265B4 (de) 2018-06-25 2022-04-21 Ford Global Technologies, Llc Kolben für eine Brennkraftmaschine und Verfahren zum Betreiben einer Brennkraftmaschine mit einem derartigen Kolben
CN114776554B (zh) * 2022-06-20 2022-11-15 徐州晟煜隆信息科技有限公司 一种活塞式空气压缩机

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1825163A (en) * 1926-08-02 1931-09-29 Schweter Erich Device for altering the clearance space in piston machines
GB762074A (en) * 1952-06-10 1956-11-21 British Internal Combust Eng Improvements in or relating to internal combustion engines and pistons therefor
FR1098040A (fr) * 1952-11-11 1955-07-15 Nat Res Dev Moteurs à combustion interne alimentés par turbocompresseur
GB1032523A (en) * 1964-01-15 1966-06-08 British Internal Combust Eng Improvements in or relating to internal combustion engines and pistons therefor
US3205878A (en) * 1963-11-29 1965-09-14 Eaton Mfg Co Variable compression ration piston
US3450113A (en) * 1967-12-08 1969-06-17 Continental Aviat & Eng Corp Valve construction for variable compression ratio piston
US3527264A (en) * 1968-03-14 1970-09-08 Continental Aviat & Eng Corp Cooling means for variable compression ratio piston assembly

Also Published As

Publication number Publication date
DE2732063C2 (de) 1983-06-01
JPS5311215A (en) 1978-02-01
IL52287A0 (en) 1977-08-31
JPS6022182B2 (ja) 1985-05-31
SE428309B (sv) 1983-06-20
CA1063449A (en) 1979-10-02
IL52287A (en) 1980-01-31
DE2732063A1 (de) 1978-02-02
US4079707A (en) 1978-03-21
GB1530439A (en) 1978-11-01
FR2359284B1 (it) 1984-05-11
SE7705490L (sv) 1978-01-20
BR7704516A (pt) 1978-05-02
FR2359284A1 (fr) 1978-02-17

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