EP0187930A2 - Moteur à combustion interne à multiples cylindres - Google Patents

Moteur à combustion interne à multiples cylindres Download PDF

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Publication number
EP0187930A2
EP0187930A2 EP85115114A EP85115114A EP0187930A2 EP 0187930 A2 EP0187930 A2 EP 0187930A2 EP 85115114 A EP85115114 A EP 85115114A EP 85115114 A EP85115114 A EP 85115114A EP 0187930 A2 EP0187930 A2 EP 0187930A2
Authority
EP
European Patent Office
Prior art keywords
crank
longitudinal axis
cylinder
cylinders
pairs
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.)
Granted
Application number
EP85115114A
Other languages
German (de)
English (en)
Other versions
EP0187930B1 (fr
EP0187930A3 (en
Inventor
Hamann Lutz
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.)
Ficht GmbH
Original Assignee
Ficht 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 Ficht GmbH filed Critical Ficht GmbH
Priority to AT85115114T priority Critical patent/ATE44802T1/de
Publication of EP0187930A2 publication Critical patent/EP0187930A2/fr
Publication of EP0187930A3 publication Critical patent/EP0187930A3/de
Application granted granted Critical
Publication of EP0187930B1 publication Critical patent/EP0187930B1/fr
Expired legal-status Critical Current

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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
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/24—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type
    • F02B75/246—Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type with only one crankshaft of the "pancake" type, e.g. pairs of connecting rods attached to common crankshaft bearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B1/00—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements
    • F01B1/08—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements with cylinders arranged oppositely relative to main shaft and of "flat" type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups
    • F01B9/02—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups with crankshaft
    • F01B9/023—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups with crankshaft of Bourke-type or Scotch yoke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups
    • F01B9/02—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups with crankshaft
    • F01B9/026—Rigid connections between piston and rod; Oscillating pistons
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • F02B75/222—Multi-cylinder engines with cylinders in V, fan, or star arrangement with cylinders in star arrangement
    • 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
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1816—Number of cylinders four

Definitions

  • the invention relates to a multi-cylinder internal combustion engine according to the preamble of claim 1.
  • each piston requires its own crank pin within the crankshaft, so that a large overall length for the crankshaft very quickly results with the resulting difficulties in its storage.
  • manufacture of such cranked crankshafts is expensive.
  • the overall length of the entire engine is also large iFurthermore, two cylinder internal combustion piston machines with axially are ü b succumbing arranged working cylinders known as the so-called boxer engines, the reciprocating piston via a rigid piston rod with centrally located K urbelschleifentrieb kinematically coupled. see. DE-PS 409 919. They are advantageous over multi-cylinder internal combustion piston machines with conventional connecting rod crank mechanisms.
  • the kinematics of the crank loop drive Thanks to the kinematics of the crank loop drive, the dwell times at the top and bottom dead center are extended, which has a favorable effect on the flushing and charging processes and the combustion process. Furthermore, the rectilinear movement of the two piston rods enables an effective sealing of the cylinder space from the crankcase by means of partition walls which are only penetrated by the piston rods, the bearings of which can be sealed relatively easily. These partitions also result in a rigid construction for the motor housing, and the dynamic forces occurring on the crank loop drive can be absorbed in the motor housing without any problems. The overall frictional forces are reduced in that the crank loop frame itself does not need to be stored. All of these measures shorten the overall motor length. The effective sealing of the interior of the crank loop drive from the cylinder chambers with their chemically aggressive climate increases the service life of the internal combustion engine.
  • the object of the invention is to achieve further conceptual improvements by means of a new design of the boxer engine type mentioned, in particular to create multi-cylinder internal combustion engines using the boxer principle, the pistons of which are coupled to one another via rigid piston rods and can act on a crank pin as far as possible .
  • the invention thus achieves an astonishingly simple manner in a compact engine design and a large number of bearings are saved, as a result of which the power-to-weight ratio is improved and the construction volume is reduced, and in particular the construction length is shortened.
  • constructive simplifications are achieved with respect to the crank output, which also makes engine production cheaper, since only crankshaft cranking with a crank pin is required for a four-cylinder engine.
  • the balancing masses can be reduced and the smooth running of the internal combustion engine improves. This also increases the lifespan.
  • the so-called modular principle can be carried out in a simple manner, so that motors of different power ranges can be realized with the same structural units.
  • the first pair of cylinders consists of the two working cylinders 1 and 2, which lie opposite one another with the same axis. In them run pistons 3 and 4, on which piston rods 5 and 6 are rigidly attached. These are, on the other hand, firmly connected to a crank loop frame 7, which includes a rectilinear link 8, the longitudinal axis L8 of which is directed at an angle of 90 ° transversely to the longitudinal axis L1, 2 of the two working cylinders 1 and 2.
  • Figure 3 the first pair of cylinders consists of the two working cylinders 1 and 2, which lie opposite one another with the same axis. In them run pistons 3 and 4, on which piston rods 5 and 6 are rigidly attached. These are, on the other hand, firmly connected to a crank loop frame 7, which includes a rectilinear link 8, the longitudinal axis L8 of which
  • the second pair of cylinders consists of the two working cylinders 11 and 12, which likewise lie opposite one another with the same axis.
  • Working pistons 13 and 14 run in them, on which piston rods 15 and 16 are rigidly attached.
  • crank loop frame 17 which includes a rectilinear link 18, the longitudinal axis L 18 of which is directed at an angle of 90 ° transverse to the longitudinal axis L11, 12 of the two working cylinders 11 and 12.
  • a sliding block 19 moves in the backdrop 18 and is likewise rotatably mounted on the crank pin 10 of the crank mechanism 20.
  • the two longitudinal axes L8 and L18 of the two scenes 8 and 18 also intersect perpendicularly.
  • crank loop frames 7 and 17 lie side by side on the crank pin 10 of the crank drive 20.
  • the synchronism of all four working pistons achieved by the selected arrangement of two crank loops on a crank pin has the advantage that the balancing mass corresponds to the translationally moving mass of a conventional two-cylinder unit.
  • the centrifugal force in each crankshaft position is just as large as the resulting mass of two two-cylinder units. All that remains is a residual mass force, resulting from the small distance between the piston rods, which are offset by 90 °, and the masses that move with them in a translatory manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Valve Device For Special Equipments (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
EP85115114A 1984-12-28 1985-11-28 Moteur à combustion interne à multiples cylindres Expired EP0187930B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85115114T ATE44802T1 (de) 1984-12-28 1985-11-28 Mehrzylinder-brennkraftkolbenmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3447663A DE3447663A1 (de) 1984-12-28 1984-12-28 Mehrzylinder-brennkraftkolbenmaschine
DE3447663 1984-12-28

Publications (3)

Publication Number Publication Date
EP0187930A2 true EP0187930A2 (fr) 1986-07-23
EP0187930A3 EP0187930A3 (en) 1987-05-06
EP0187930B1 EP0187930B1 (fr) 1989-07-19

Family

ID=6254042

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85115114A Expired EP0187930B1 (fr) 1984-12-28 1985-11-28 Moteur à combustion interne à multiples cylindres

Country Status (4)

Country Link
EP (1) EP0187930B1 (fr)
JP (1) JPS61157726A (fr)
AT (1) ATE44802T1 (fr)
DE (2) DE3447663A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4007438C1 (fr) * 1990-03-09 1991-06-27 Bayerische Motoren Werke Ag, 8000 Muenchen, De
DE4035562A1 (de) * 1990-11-08 1992-05-14 Zikeli Friedrich Dipl Ing Th Kolbenkreuzschubschleife und kurbelkulisse fuer das hubkolbenmaschinen triebwerk (kurbelschleifengetriebe)
EP0915239A4 (fr) * 1996-07-26 2001-03-14 Yugen Kaisha Sozoan Mecanisme de deplacement rotatif et moteur
WO2002097251A1 (fr) * 2001-05-30 2002-12-05 Reinhold Ficht Generateur de courant portable avec moteurs a combustion pour la combustion de biogaz
DE102005024361A1 (de) * 2005-05-27 2006-12-07 Bayerische Motoren Werke Ag Antriebsaggregat für Fahrzeuge
US7210397B2 (en) 2001-04-27 2007-05-01 Peter Robert Raffaele Scotch yoke engine
US20120272758A1 (en) * 2010-06-29 2012-11-01 Matthew Byrne Diggs Double-acting scotch yoke assembly for x-engines
US8371210B2 (en) 1998-03-10 2013-02-12 Peter Robert Raffaele Reciprocating fluid machines
WO2013032431A1 (fr) * 2011-08-29 2013-03-07 Diggs Matthew B Ensemble moteur en x équilibré

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8723712D0 (en) * 1987-10-09 1987-11-11 Collins Motor Corp Ltd Positive displacement fluid machines
GB8827835D0 (en) * 1988-11-29 1988-12-29 Collins Motor Corp Ltd Positive displacement fluid machines
GB8904058D0 (en) * 1989-02-10 1989-04-05 Jaguar Cars Internal combustion engine
GB8911747D0 (en) * 1989-05-22 1989-07-05 Collins Motor Corp Ltd Multi-cylinder positive displacement fluid machines
DE3940945A1 (de) * 1989-12-12 1990-12-20 Bayerische Motoren Werke Ag Antriebsaggregat fuer fahrzeuge, insbesondere pkw
DE4137535C2 (de) * 1990-11-14 1998-09-24 Ficht Gmbh Maschinensatz zur Energieversorgung
RU2035603C1 (ru) * 1992-06-09 1995-05-20 Арцыбашев Александр Валентинович Двигатель внутреннего сгорания
GB2268563B (en) * 1992-07-08 1995-05-10 Chung Hsin Chen Power transmission mechanism
DE4234941C2 (de) * 1992-10-16 1995-05-18 Franz Rupp Verbrennungsmotor
DE19500854C2 (de) * 1994-01-21 1998-04-09 Beck Walter Hubkolbenmaschine
DE4414769A1 (de) * 1994-04-27 1995-11-02 Ficht Gmbh Antriebseinheit für ein Motorrad
DE19635248C2 (de) 1996-08-30 2001-05-23 Ficht Gmbh & Co Kg Flüssiggasmotor
FR2777944B1 (fr) * 1998-04-24 2000-08-04 Michel Francois Cons Chatelain Moteur a explosions, a plat et a cylindres opposes
DE19923021B4 (de) * 1998-05-20 2006-01-05 Brauers, Franz, Dr. Kurbeltrieb und Kurbeltriebanordnung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2318599A (en) * 1940-07-16 1943-05-11 Davis Alvin Gilbert Multiple firing x type four cycle internal combustion engine
DE2926391A1 (de) * 1979-06-29 1981-01-15 Ficht Gmbh Zweitakt-motor in hubkolben-bauart
FR2526863A1 (fr) * 1982-05-14 1983-11-18 Ficht Gmbh Systeme de coulisse pour un moteur a combustion interne comportant au moins deux cylindres se faisant mutuellement face
US4512291A (en) * 1983-05-26 1985-04-23 Kirk J David Internal combustion engine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU534084B2 (en) * 1978-06-06 1984-01-05 Norman George Wheatley Opposed piston internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2318599A (en) * 1940-07-16 1943-05-11 Davis Alvin Gilbert Multiple firing x type four cycle internal combustion engine
DE2926391A1 (de) * 1979-06-29 1981-01-15 Ficht Gmbh Zweitakt-motor in hubkolben-bauart
FR2526863A1 (fr) * 1982-05-14 1983-11-18 Ficht Gmbh Systeme de coulisse pour un moteur a combustion interne comportant au moins deux cylindres se faisant mutuellement face
US4512291A (en) * 1983-05-26 1985-04-23 Kirk J David Internal combustion engine

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4007438C1 (fr) * 1990-03-09 1991-06-27 Bayerische Motoren Werke Ag, 8000 Muenchen, De
DE4035562A1 (de) * 1990-11-08 1992-05-14 Zikeli Friedrich Dipl Ing Th Kolbenkreuzschubschleife und kurbelkulisse fuer das hubkolbenmaschinen triebwerk (kurbelschleifengetriebe)
DE4035562C2 (fr) * 1990-11-08 1992-08-27 Friedrich Dipl.-Ing. Zikeli (Th), 7300 Esslingen, De
EP0915239A4 (fr) * 1996-07-26 2001-03-14 Yugen Kaisha Sozoan Mecanisme de deplacement rotatif et moteur
US8371210B2 (en) 1998-03-10 2013-02-12 Peter Robert Raffaele Reciprocating fluid machines
US7210397B2 (en) 2001-04-27 2007-05-01 Peter Robert Raffaele Scotch yoke engine
WO2002097251A1 (fr) * 2001-05-30 2002-12-05 Reinhold Ficht Generateur de courant portable avec moteurs a combustion pour la combustion de biogaz
DE102005024361A1 (de) * 2005-05-27 2006-12-07 Bayerische Motoren Werke Ag Antriebsaggregat für Fahrzeuge
US20120272758A1 (en) * 2010-06-29 2012-11-01 Matthew Byrne Diggs Double-acting scotch yoke assembly for x-engines
US8746206B2 (en) * 2010-06-29 2014-06-10 Matthew Byrne Diggs Double-Acting Scotch Yoke assembly for X-engines
WO2013032431A1 (fr) * 2011-08-29 2013-03-07 Diggs Matthew B Ensemble moteur en x équilibré
US9051833B2 (en) 2011-08-29 2015-06-09 Matthew Byrne Diggs X-engine assembly with perfect balance

Also Published As

Publication number Publication date
DE3447663A1 (de) 1986-07-10
EP0187930B1 (fr) 1989-07-19
DE3571673D1 (en) 1989-08-24
JPS61157726A (ja) 1986-07-17
EP0187930A3 (en) 1987-05-06
ATE44802T1 (de) 1989-08-15

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