FR2670834B1 - Piston a partie superieure tournante pour moteur a combustion interne et utilisation d'elements hydrauliques pour effectuer cette rotation. - Google Patents

Piston a partie superieure tournante pour moteur a combustion interne et utilisation d'elements hydrauliques pour effectuer cette rotation.

Info

Publication number
FR2670834B1
FR2670834B1 FR9115008A FR9115008A FR2670834B1 FR 2670834 B1 FR2670834 B1 FR 2670834B1 FR 9115008 A FR9115008 A FR 9115008A FR 9115008 A FR9115008 A FR 9115008A FR 2670834 B1 FR2670834 B1 FR 2670834B1
Authority
FR
France
Prior art keywords
piston
perform
rotation
combustion engine
internal combustion
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 - Fee Related
Application number
FR9115008A
Other languages
English (en)
French (fr)
Other versions
FR2670834A1 (fr
Inventor
Dieter Schonfeld
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.)
MTU Aero Engines AG
Rolls Royce Solutions GmbH
Original Assignee
MTU Friedrichshafen GmbH
MTU Motoren und Turbinen Union Muenchen GmbH
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 MTU Friedrichshafen GmbH, MTU Motoren und Turbinen Union Muenchen GmbH filed Critical MTU Friedrichshafen GmbH
Publication of FR2670834A1 publication Critical patent/FR2670834A1/fr
Application granted granted Critical
Publication of FR2670834B1 publication Critical patent/FR2670834B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • 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
    • F16J1/10—Connection to driving members
    • F16J1/24—Connection to driving members designed to give the piston some rotary movement about its axis

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Transmission Devices (AREA)
FR9115008A 1990-12-22 1991-12-04 Piston a partie superieure tournante pour moteur a combustion interne et utilisation d'elements hydrauliques pour effectuer cette rotation. Expired - Fee Related FR2670834B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4041637A DE4041637C1 (enExample) 1990-12-22 1990-12-22

Publications (2)

Publication Number Publication Date
FR2670834A1 FR2670834A1 (fr) 1992-06-26
FR2670834B1 true FR2670834B1 (fr) 1995-03-03

Family

ID=6421336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9115008A Expired - Fee Related FR2670834B1 (fr) 1990-12-22 1991-12-04 Piston a partie superieure tournante pour moteur a combustion interne et utilisation d'elements hydrauliques pour effectuer cette rotation.

Country Status (4)

Country Link
US (1) US5179916A (enExample)
DE (1) DE4041637C1 (enExample)
FR (1) FR2670834B1 (enExample)
GB (1) GB2251283B (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5363822A (en) * 1993-07-09 1994-11-15 Tuohy Matthew J Assembly and method of using a multi-part piston with a removable head
US5413074A (en) * 1993-07-31 1995-05-09 Isuzu Motors, Ltd. Piston and a connecting rod apparatus
US5794582A (en) * 1995-09-26 1998-08-18 Isuzu Motors Ltd. Connecting structure of piston and connecting rod
US6209510B1 (en) * 1998-07-28 2001-04-03 Teledyne Technologies Incorporated Piston and connecting rod assembly
CA2450280C (en) * 2001-06-15 2007-05-22 Honda Giken Kogyo Kabushiki Kaisha Compression ratio changing device of internal combustion engine
JP3975132B2 (ja) * 2002-08-05 2007-09-12 本田技研工業株式会社 内燃機関の圧縮比可変装置
DE10244511A1 (de) * 2002-09-25 2004-04-15 Mahle Gmbh Mehrteiliger gekühlter Kolben für einen Verbrennungsmotor
US6668785B1 (en) * 2002-11-04 2003-12-30 George J. Coates Piston head for internal combustion engine
US20040258742A1 (en) * 2003-04-11 2004-12-23 Van Osdol William Woodson Transdermal administration of N-(2,5-disubstituted phenyl)-N'-(3-substituted phenyl)-N'-methyl guanidines
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
USD737861S1 (en) 2009-10-30 2015-09-01 Caterpillar Inc. Engine piston
JP2013509538A (ja) * 2009-10-30 2013-03-14 キャタピラー インコーポレイテッド 重量を釣り合わせた内燃機関ピストン
DE102011115415A1 (de) * 2011-10-08 2013-04-11 Daimler Ag Verfahren zum variablen Einstellen eines Verdichtungsverhältnisses eines Brennraums einer Verbrennungskraftmaschine
CN107956593B (zh) * 2017-12-05 2023-11-17 吉林大学 一种双电机式可变压缩比活塞
US10865734B2 (en) 2017-12-06 2020-12-15 Ai Alpine Us Bidco Inc Piston assembly with offset tight land profile
DE102019122877B4 (de) * 2019-08-27 2021-08-19 Man Energy Solutions Se Kolben einer Brennkraftmaschine
JP7092732B2 (ja) * 2019-10-29 2022-06-28 株式会社Ｉｈｉ原動機 エンジン

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2029169A (en) * 1932-06-13 1936-01-28 Hironaka Yasusaburo Internal combustion engine
DE705283C (de) * 1934-05-25 1941-04-23 Louis De Monge Brennkraftmaschine mit veraenderlichem Verdichtungsraum
US2153691A (en) * 1936-04-13 1939-04-11 Kenjiro Tsuneda Internal combustion engine automatic compression ratio varying means
DE680266C (de) * 1937-08-27 1939-08-25 Sulzer Akt Ges Geb Kolben mit Kugelzapfen fuer Kraftmaschinen
US2647683A (en) * 1950-09-06 1953-08-04 Gen Motors Corp Compressor
DE1179047B (de) * 1962-11-09 1964-10-01 Sulzer Ag Schaltkolben einer Brennkraftkolbenmaschine
US4031868A (en) * 1975-09-10 1977-06-28 Teledyne Industries, Inc. Variable compression ratio piston
US4079707A (en) * 1976-07-19 1978-03-21 Teledyne Industries, Inc. Variable compression ratio piston
US4342291A (en) * 1980-01-16 1982-08-03 Lewis William C Expandable piston motor
DE3127865A1 (de) * 1981-07-15 1983-02-03 Andreas 7300 Esslingen Derer Teleskopkolben
DE3332358A1 (de) * 1982-09-11 1984-03-29 AE PLC, Rugby, Warwickshire Kolben fuer verbrennungsmotoren
DE3404343C2 (de) * 1984-02-08 1986-03-06 Audi AG, 8070 Ingolstadt Hubkolben-Brennkraftmaschine mit veränderlichem Verdichtungsverhältnis
US4864977A (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
GB2251283A (en) 1992-07-01
FR2670834A1 (fr) 1992-06-26
DE4041637C1 (enExample) 1992-04-09
GB2251283B (en) 1995-01-11
US5179916A (en) 1993-01-19
GB9126930D0 (en) 1992-02-19

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Legal Events

Date Code Title Description
ST Notification of lapse