EP3452704B1 - Moteur deux temps - Google Patents

Moteur deux temps Download PDF

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Publication number
EP3452704B1
EP3452704B1 EP17726187.2A EP17726187A EP3452704B1 EP 3452704 B1 EP3452704 B1 EP 3452704B1 EP 17726187 A EP17726187 A EP 17726187A EP 3452704 B1 EP3452704 B1 EP 3452704B1
Authority
EP
European Patent Office
Prior art keywords
internal combustion
combustion engine
working cylinder
cylinder
piston
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.)
Active
Application number
EP17726187.2A
Other languages
German (de)
English (en)
Other versions
EP3452704A1 (fr
Inventor
Joachim Böhme
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Individual
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Individual
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Publication date
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Publication of EP3452704A1 publication Critical patent/EP3452704A1/fr
Application granted granted Critical
Publication of EP3452704B1 publication Critical patent/EP3452704B1/fr
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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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/20—Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L5/00—Slide valve-gear or valve-arrangements
    • F01L5/04—Slide valve-gear or valve-arrangements with cylindrical, sleeve, or part-annularly shaped valves
    • F01L5/06—Slide valve-gear or valve-arrangements with cylindrical, sleeve, or part-annularly shaped valves surrounding working cylinder or piston
    • 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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
    • F02B25/04—Engines having ports both in cylinder head and in cylinder wall near bottom 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
    • F02B33/00—Engines characterised by provision of pumps for charging or scavenging
    • F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
    • F02B33/28—Component parts, details or accessories of crankcase pumps, not provided for in, or of interest apart from, subgroups F02B33/02 - F02B33/26
    • F02B33/30—Control of inlet or outlet ports
    • 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

Claims (6)

  1. Moteur à combustion interne à deux temps, en particulier pour un véhicule automobile, avec injection directe de carburant, comprenant au moins un cylindre de travail (1) avec une chemise, dans lequel un piston (6) est déplacé de manière oscillante, et au moins un canal d'échappement (2) qui débouche dans le cylindre de travail (1) au-dessus du point mort haut du piston (6), et au moins deux ouvertures d'injection (5) réparties sur la circonférence de la chemise, qui débouchent dans le cylindre de travail (1) au-dessus du point mort bas du piston (6), de sorte qu'il en résulte un balayage en courant continu du cylindre de travail (1) pendant le fonctionnement du moteur à combustion interne à deux temps, et avec un clapet coulissant qui ouvre et ferme les ouvertures d'injection (5), le clapet coulissant (4) étant conçu comme un manchon qui entoure la chemise du cylindre de travail (1) et présente une enveloppe fermée, cette enveloppe ouvrant ou fermant les ouvertures d'injection (5) de manière oscillante dans la direction longitudinale de la chemise pendant l'échange de charge,
    caractérisé en ce que
    au moins un élément d'étanchéité annulaire (7) est disposé dans l'espace entre la paroi intérieure du manchon coulissant (4) et la paroi extérieure de la chemise, et un anneau de tourbillon est disposée à distance de celui-ci sur la face extérieure du clapet coulissant (4).
  2. Moteur à combustion interne à deux temps selon la revendication 1,
    caractérisé en ce que
    l'anneau de tourbillon en amont comporte des conduits d'écoulement avec différents angles d'entrée tangentiels.
  3. Moteur à combustion interne à deux temps selon les revendications 1 et 2,
    caractérisé en ce que
    le mouvement oscillant du manchon coulissant (4) sur la paroi extérieure de la chemise du cylindre de travail (1) s'effectue au moyen d'un dispositif de commande desmodronique sous la forme d'une commande à came avec un levier (8) agissant sur la circonférence extérieure du tiroir tubulaire.
  4. Moteur à combustion interne à deux temps selon les revendications 1 et 2,
    caractérisé en ce que
    le mouvement oscillant du manchon coulissant (4) sur la paroi extérieure de la chemise du cylindre de travail (1) est effectué au moyen d'un dispositif de commande électromagnétique.
  5. Moteur à combustion interne à deux temps selon les revendications 1 et 2,
    caractérisé en ce que
    le mouvement oscillant du manchon coulissant (4) sur la paroi extérieure de la chemise du cylindre de travail (1) est effectué au moyen d'un dispositif de commande hydraulique.
  6. Moteur à combustion interne à deux temps selon la revendication 1 et au moins une des revendications 1 à 5,
    caractérisé en ce que
    le cylindre de travail (1) est conçu comme un cylindre à sac.
EP17726187.2A 2016-05-04 2017-04-28 Moteur deux temps Active EP3452704B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016005538.3A DE102016005538B3 (de) 2016-05-04 2016-05-04 Zweitakt-Brennkraftmaschine
PCT/DE2017/000120 WO2017190722A1 (fr) 2016-05-04 2017-04-28 Moteur à combustion interne à deux temps

Publications (2)

Publication Number Publication Date
EP3452704A1 EP3452704A1 (fr) 2019-03-13
EP3452704B1 true EP3452704B1 (fr) 2020-06-10

Family

ID=58490560

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17726187.2A Active EP3452704B1 (fr) 2016-05-04 2017-04-28 Moteur deux temps

Country Status (5)

Country Link
US (1) US10578009B2 (fr)
EP (1) EP3452704B1 (fr)
CN (1) CN209742989U (fr)
DE (1) DE102016005538B3 (fr)
WO (1) WO2017190722A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021125243A1 (de) 2021-09-29 2023-03-30 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Zweitaktbrennkraftmaschine mit Schiebersteuerung

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE528407C (de) * 1931-06-29 Boris Dobroborski Zweitaktbrennkraftmotor mit gegenlaeufigen Kolben und Rohrschieber
GB190900385A (en) 1909-01-07 1910-01-06 William Radford Improvements in or relating to Internal Combustion Engines.
US1014270A (en) * 1909-04-09 1912-01-09 Chalmers Detroit Motor Company Explosion-engine.
US1001506A (en) * 1910-10-28 1911-08-22 Antoine M Clement Internal-combustion engine.
GB191205108A (en) 1911-01-30 Esnault-Pelterie Robert Improvements in or relating to Internal Combustion Engines.
FR443217A (fr) 1911-05-17 1912-09-19 Otto Joseph Maubach Moteur à combustion à deux temps
US2018848A (en) * 1930-08-16 1935-10-29 Gruebler Felix Internal combustion engine
US2229709A (en) 1937-06-02 1941-01-28 Tisserant Auguste Alber Honore Two cycle engine
DE858046C (de) 1941-04-23 1952-12-04 Goetaverken Ab Steuerung fuer einfach wirkende Zweitaktbrennkraftmaschinen
DE865237C (de) * 1944-03-21 1953-02-12 Otto Sierenberg Steuerung fuer eine Zweitakt-Brennkraftmaschine mit Gleichstromspuelung
US3815566A (en) 1973-02-08 1974-06-11 J Staggs Engine
JPS5956310A (ja) 1982-09-23 1984-03-31 大倉　則良 自己融着電線用塗料及び自己融着電線
JPS5956310U (ja) * 1982-10-05 1984-04-12 日立造船株式会社 内燃機関の掃気管制弁装置
JPS59192824A (ja) 1983-04-16 1984-11-01 Hitachi Zosen Corp 内筒式掃排気管制弁
JPH0668247B2 (ja) * 1989-07-17 1994-08-31 いすゞ自動車株式会社 アルコール燃料を用いるセラミックエンジン
US5113805A (en) 1989-12-12 1992-05-19 Isuzu Ceramics Research Institute Co., Ltd. Variable-cycle engine
JP3074763B2 (ja) * 1991-03-30 2000-08-07 いすゞ自動車株式会社 ２ストロークエンジン
US5746163A (en) * 1996-09-26 1998-05-05 Clean Cam Technology Systems Low emission power plant and method of making same
DE19700412A1 (de) * 1997-01-09 1997-07-31 Hermann Fazis Zweitakt-Dieselmotor mit Gleichstromspülung, mit Einlaßschieber und Auslaßventilen vom Arbeitskolben gesteuert
JP6033213B2 (ja) * 2013-12-26 2016-11-30 本田技研工業株式会社 ２ストロークエンジン

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2017190722A1 (fr) 2017-11-09
US20190145308A1 (en) 2019-05-16
EP3452704A1 (fr) 2019-03-13
CN209742989U (zh) 2019-12-06
US10578009B2 (en) 2020-03-03
DE102016005538B3 (de) 2017-04-27

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