DE4041637C1 - - Google Patents

Info

Publication number
DE4041637C1
DE4041637C1 DE4041637A DE4041637A DE4041637C1 DE 4041637 C1 DE4041637 C1 DE 4041637C1 DE 4041637 A DE4041637 A DE 4041637A DE 4041637 A DE4041637 A DE 4041637A DE 4041637 C1 DE4041637 C1 DE 4041637C1
Authority
DE
Germany
Prior art keywords
piston
threaded
counter
projections
sections
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 - Lifetime
Application number
DE4041637A
Other languages
German (de)
English (en)
Inventor
Dieter 7778 Markdorf De Schoenfeld
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.)
Rolls Royce Solutions GmbH
Original Assignee
MTU Friedrichshafen GmbH
MTU Motoren und Turbinen Union Friedrichshafen 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 Friedrichshafen GmbH filed Critical MTU Friedrichshafen GmbH
Priority to DE4041637A priority Critical patent/DE4041637C1/de
Priority to FR9115008A priority patent/FR2670834B1/fr
Priority to GB9126930A priority patent/GB2251283B/en
Priority to US07/806,357 priority patent/US5179916A/en
Application granted granted Critical
Publication of DE4041637C1 publication Critical patent/DE4041637C1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
DE4041637A 1990-12-22 1990-12-22 Expired - Lifetime DE4041637C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE4041637A DE4041637C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-12-22 1990-12-22
FR9115008A 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.
GB9126930A GB2251283B (en) 1990-12-22 1991-12-19 A piston
US07/806,357 US5179916A (en) 1990-12-22 1991-12-31 Piston with a rotatable piston top

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4041637A DE4041637C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-12-22 1990-12-22

Publications (1)

Publication Number Publication Date
DE4041637C1 true DE4041637C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-04-09

Family

ID=6421336

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4041637A Expired - Lifetime DE4041637C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-12-22 1990-12-22

Country Status (4)

Country Link
US (1) US5179916A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE4041637C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2670834B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2251283B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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
AU2002306327B2 (en) * 2001-06-15 2006-04-27 Honda Giken Kogyo Kabushiki Kaisha Compression ratio variable 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
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
USD737861S1 (en) 2009-10-30 2015-09-01 Caterpillar Inc. Engine piston
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE680266C (de) * 1937-08-27 1939-08-25 Sulzer Akt Ges Geb Kolben mit Kugelzapfen fuer Kraftmaschinen
DE705283C (de) * 1934-05-25 1941-04-23 Louis De Monge Brennkraftmaschine mit veraenderlichem Verdichtungsraum
DE1179047B (de) * 1962-11-09 1964-10-01 Sulzer Ag Schaltkolben einer Brennkraftkolbenmaschine

Family Cites Families (10)

* 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
US2153691A (en) * 1936-04-13 1939-04-11 Kenjiro Tsuneda Internal combustion engine automatic compression ratio varying means
US2647683A (en) * 1950-09-06 1953-08-04 Gen Motors Corp Compressor
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE705283C (de) * 1934-05-25 1941-04-23 Louis De Monge Brennkraftmaschine mit veraenderlichem Verdichtungsraum
DE680266C (de) * 1937-08-27 1939-08-25 Sulzer Akt Ges Geb Kolben mit Kugelzapfen fuer Kraftmaschinen
DE1179047B (de) * 1962-11-09 1964-10-01 Sulzer Ag Schaltkolben einer Brennkraftkolbenmaschine

Also Published As

Publication number Publication date
GB2251283A (en) 1992-07-01
GB2251283B (en) 1995-01-11
GB9126930D0 (en) 1992-02-19
US5179916A (en) 1993-01-19
FR2670834A1 (fr) 1992-06-26
FR2670834B1 (fr) 1995-03-03

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Legal Events

Date Code Title Description
8100 Publication of patent without earlier publication of application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee