EP0269536A2 - Brennkraftmaschine mit sternförmiger Zylinderanordnung ohne Kurbelwelle und Treibstange - Google Patents

Brennkraftmaschine mit sternförmiger Zylinderanordnung ohne Kurbelwelle und Treibstange Download PDF

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Publication number
EP0269536A2
EP0269536A2 EP87420314A EP87420314A EP0269536A2 EP 0269536 A2 EP0269536 A2 EP 0269536A2 EP 87420314 A EP87420314 A EP 87420314A EP 87420314 A EP87420314 A EP 87420314A EP 0269536 A2 EP0269536 A2 EP 0269536A2
Authority
EP
European Patent Office
Prior art keywords
cams
pistons
cylinders
star
engine according
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
EP87420314A
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English (en)
French (fr)
Other versions
EP0269536B1 (de
EP0269536A3 (en
Inventor
André Chaneac
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.)
ATELIERS DE CONSTRUCTIONS ET D'INNOVATIONS
Original Assignee
ATELIERS DE CONSTRUCTIONS ET D'INNOVATIONS
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.)
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Publication date
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Publication of EP0269536A2 publication Critical patent/EP0269536A2/de
Publication of EP0269536A3 publication Critical patent/EP0269536A3/fr
Application granted granted Critical
Publication of EP0269536B1 publication Critical patent/EP0269536B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F01B1/06—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 in star or fan arrangement
    • F01B1/0641—Details, component parts specially adapted for such machines
    • F01B1/0648—Cams
    • 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, not specific to groups F01B1/00 - F01B7/00
    • F01B9/04—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with rotary main shaft other than crankshaft
    • F01B9/06—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with rotary main shaft other than crankshaft the piston motion being transmitted by curved surfaces
    • 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
    • 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
    • F02B75/32—Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
    • 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, not specific to groups F01B1/00 - F01B7/00
    • F01B9/04—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with rotary main shaft other than crankshaft
    • F01B9/06—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with rotary main shaft other than crankshaft the piston motion being transmitted by curved surfaces
    • F01B2009/061—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with rotary main shaft other than crankshaft the piston motion being transmitted by curved surfaces by cams
    • F01B2009/063—Mono-lobe cams
    • 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, not specific to groups F01B1/00 - F01B7/00
    • F01B9/04—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with rotary main shaft other than crankshaft
    • F01B9/06—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with rotary main shaft other than crankshaft the piston motion being transmitted by curved surfaces
    • F01B2009/061—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with rotary main shaft other than crankshaft the piston motion being transmitted by curved surfaces by cams
    • F01B2009/065—Bi-lobe cams
    • 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, not specific to groups F01B1/00 - F01B7/00
    • F01B9/04—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with rotary main shaft other than crankshaft
    • F01B9/06—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with rotary main shaft other than crankshaft the piston motion being transmitted by curved surfaces
    • F01B2009/061—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with rotary main shaft other than crankshaft the piston motion being transmitted by curved surfaces by cams
    • F01B2009/066—Tri-lobe cams
    • 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
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • 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 present invetnion relates to an internal combustion engine operating according to the Beau de Rochas cycle not comprising a crankshaft and connecting rods but cams and rollers whose cylinders are arranged in a plane perpendicular to the engine shaft called star engine.
  • Patents are known for motors characterized in that the movement of the pistons is transmitted to the motor shaft by cams and rollers.
  • the following patents can be given as an example: - 11/03/1931 Frank White No. 1,830,046 (American) - 07/11/1934 Mr; Hermit No. 775,736 (France).
  • the present invention aims to provide a solution to the drawbacks mentioned above.
  • an internal combustion engine which may be of the two-stroke or four-stroke cycle, the cylinders of which are arranged in a star and the combustion thrust of which is transmitted to a cam by the piston secured to a roller on this cam.
  • This cam can have one, two, three, four .. (etc) bosses. As each piston goes back and forth at each boss, the motor shaft will therefore rotate according to the number back and forth of each piston divided by the number of bosses.
  • the drive shaft carries at least three cams, a central cam rotating in one direction and two lateral cams rotating at the same speed but in the opposite direction.
  • the reversal of the central cam or of the two lateral cams is effected either by means of a Pecqueur train, or by means of pinions integral with the walls of the engine, or by means of a spherical train.
  • the two lateral cams each comprise, in addition to the profile of each cam, a groove on the external wall of the cam, intended to bring the rollers and the pistons to bottom dead center.
  • connecting pieces or cables connect the pistons of the opposite cylinders when the movement of the two pistons is identical and in the same direction.
  • one or more cams may include mini-bosses intended to control the opening of the engine valves.
  • each piston will have only one roller.
  • the means of producing a compressor by arranging the combustion piston so that the latter achieves, on the one hand, combustion in its upper part and, on the other hand, compression in its lower part.
  • the cams of the star engine can be traced so that the top of the bosses brings the piston to top dead center then lowers it slightly and brings it back to top dead center so as to promote combustion.
  • combustion takes place at a constant volume for a time substantially equal to other times such as compression, explosion and expansion.
  • Figure 1 shows a sectional view of an engine where a single cylinder has been shown.
  • the motor shaft (1) integral with the central cam (2), with the two lateral cams (3) and (4).
  • the rollers (5,6,7) are supported, integral with the piston (8) which moves in the cylinder (9) terminated by the cylinder head (10).
  • the engine block (11) carries the engine shaft (1).
  • the two lateral cams (3) and (4) rotate in the opposite direction to the central cam (2) by means of a train of planetary gears known as the Pecker train, the drive shaft (1) drives the central gears (13) which drive the satellites (15) and (14) integral with the cams (3) and (4).
  • this groove (18) can be eliminated to replace it with parts which may be cables uniting the opposite pistons (8).
  • Fixed gears or spherical gears can be used instead of planetary gears, in order to obtain an equal and opposite direction of speed.
  • the profile of the central cam is by symmetrical construction of the profile of the side cams in order to be able to rotate and hold the rollers of the piston.
  • Figure 2 is a front sectional view showing a central cam and a side cam having two bosses (12).
  • the mini bosses (19) allow the intake and exhaust valves of the engine to be lifted.
  • FIG. 3 is a transverse view of an engine with a single row of cylinders and two concentric drive shafts rotating at equal speed but in opposite directions, only the upper part having been shown.
  • the motor shaft (1) integral with the central cam (2), the side cams (3) and (4) rotate in opposite directions and at equal speed from the central cam (2) thanks to the pinions (13,14,15,16) but the arrangement of the cam (4) is a little different, the pinion (13) integral with the motor shaft (1) being placed between the cams (2) and (4), it attacks the pinion (14) integral with the pinion (15) located on the other side of the cam (4), which rests on the fixed pinion (16).
  • a second driving shaft (20) is obtained which is counter-rotating of the shaft (1).
  • Figure 4 is a cross-sectional view of an engine having two rows of cylinders with a single engine shaft (1); there are the housing (11) assembled with the housing (21) to form a single block, there are the same cams (2,3,4) and the same pinions (13,14,15 and 16).
  • these are the cams lateral (3) and (4) which are integral with the motor shaft (1) and it is the central cam (2) which is driven in reverse and at equal speed by the Pecqueur train (13,14,15, 16). So there is only one output shaft.
  • the drive shaft (1) always carrying the three cams (2,3,4), but in this case, it is the central cam which is integral with the drive shaft.
  • the motor shaft integral with either the central cam or the two side cams without departing from the scope of the invention.
  • Figure 6 is a cross-sectional view of an engine with two rows of cylinders.
  • the motor shaft (1) carrying the cams (2,3,4) it is in the first row of the cylinders the two lateral cams (3) and (4) which are integral with the motor shaft.
  • the drive shaft (20) carrying the three cams (22,23 and 24) there are the pinions (13,14,15,16) of the Pecqueur train. If there were no other parts, we would have two completely independent motors with totally separate speeds, but we want to obtain a motor shaft (20) rotating in opposite direction from (1) and at equal speed.
  • a new Pécqueur train comprising a pinion (25) integral with the motor shaft (1) drives the satellite (26,27) which rests on the fixed pinion (28).
  • the cam (23) goes in reverse and at equal speed if the pinions have the desired number of teeth.
  • FIG. 7 is a cross-sectional view showing the particular case of an engine where there are three rows of cylinders, each row having only one cam, but the engine shaft of which always carries three cams, one central cam rotating in one direction and two lateral cams rotating in opposite directions and at equal speed.
  • the motor shaft (1) carries a central cam (2) secured for example to the motor shaft, the cams (3) and (4) rotating in opposite directions and at equal speed thanks to the pinions of a Pecqueur train (13 , 14,15,16).
  • the three pistons (8) are integral with the rollers (5,6,7) which are mounted on a single axis (17) which comes to rest in the groove (18) via the roller (30), the cylinders (9) carrying the cylinder heads (10).
  • the three pistons will therefore work at the same time, so a lighter construction is obtained if one seeks to obtain a greater number of cylinders, moreover the pistons will be able to carry bearing surfaces substantially at the height of the roller, to support the slight deformation of the axis (17), these bearing surfaces being located in the axis of the cam.
  • Figure 8 is a front sectional view showing a central cam (2) with its drive shaft (1) and its roller (5) journalled on its axis (17).
  • This roller is attached to the piston (8) which consists of two parts, the upper part includes the cylinder (9), the cylinder head (10) and the combustion chamber (31) in the lower part, which may be of a larger diameter.
  • the bottom of the piston (8) compressing the space (32) to provide a supply of compressed air to the engine, a very simple compressor is thus produced.
  • ducts and intake and exhaust valves will allow the compressed air to reach the cylinder head (10) but this is not part of the invention and has therefore not been shown.
  • Figure 9 is a front sectional view showing a cam with a single boss.
  • the motor shaft (1) driving the cam (2) we find the motor shaft (1) driving the cam (2), the piston reaches top dead center at point (33) then it descends to point (35) and goes back to top dead center (34).
  • the cam (2) receives the thrust resulting from combustion, it is the trigger, at point (36) the piston is in bottom dead center, it stays there until at point (37), which allows the exhaust of the burnt gases and the introduction of fresh gases, at point (37) the piston begins its compression which it completes at point (33). It is a little before point (33) that the injection or ignition of the spark plug begins.
  • Figure 10 is a schematic view showing the different times of a cycle comprising an engine time for two round trips and pistons (like four times).
  • points (36) and (37) would be confused with point (38), and we obtain three times per lap, which would have given clockwise (33-34) Time dead, (34-38) Intake, (38-33) Compression, (33 ⁇ -34 ⁇ ) Constant volume combustion, (34 ⁇ -38 ⁇ ) Relaxation (38 ⁇ -33 ⁇ ) Exhaust. So we get six beats for two round trips of the pistons, the two circles (39) and (40) representing the bottom and top dead centers.
  • the relaxation time can be extended for better performance.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transmission Devices (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
EP87420314A 1986-11-28 1987-11-24 Brennkraftmaschine mit sternförmiger Zylinderanordnung ohne Kurbelwelle und Treibstange Expired - Lifetime EP0269536B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8616862 1986-11-28
FR868616862A FR2607552B1 (fr) 1986-05-21 1986-11-28 Moteur a explosion sans embiellage ni vilebrequin de type cylindres en etoile

Publications (3)

Publication Number Publication Date
EP0269536A2 true EP0269536A2 (de) 1988-06-01
EP0269536A3 EP0269536A3 (en) 1989-04-05
EP0269536B1 EP0269536B1 (de) 1991-01-23

Family

ID=9341490

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87420314A Expired - Lifetime EP0269536B1 (de) 1986-11-28 1987-11-24 Brennkraftmaschine mit sternförmiger Zylinderanordnung ohne Kurbelwelle und Treibstange

Country Status (5)

Country Link
US (1) US4848282A (de)
EP (1) EP0269536B1 (de)
JP (1) JPS63239318A (de)
DE (1) DE3767677D1 (de)
FR (1) FR2607552B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2651829A1 (fr) * 1989-09-08 1991-03-15 Innovations Atel Const Moteur a explosion sans embiellage ni vilebrequin du type cylindres en etoile.
FR2679604A1 (fr) * 1991-07-25 1993-01-29 Innovations Atel Const Moteur a explosion sans embiellage ni villebrequin du type cylindres en etoile.
FR2818314A1 (fr) 2000-12-19 2002-06-21 Robert Giacomin Machine alternative a pistons opposes

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US5553574A (en) * 1991-12-05 1996-09-10 Advanced Automotive Technologies, Inc. Radial cam internal combustion engine
US5454352A (en) * 1993-12-03 1995-10-03 Ward; Michael A. V. Variable cycle three-stroke engine
DK0839266T3 (da) * 1995-07-18 2003-09-08 Revolution Engine Technologies Forbrændingsmotor med modstående stempler
AU693714B2 (en) * 1995-07-18 1998-07-02 Revolution Engine Technologies Pty Ltd Opposed piston combustion engine
EP1152138A3 (de) 2000-05-02 2002-04-17 Heinzle, Friedrich Verfahren zum Betreiben eines Verbrennungsmotors sowie Verbrennungsmotor
EP1195503A3 (de) * 2000-10-04 2003-04-16 Heinzle, Friedrich Verbrennungsmotor
US6691648B2 (en) * 2001-07-25 2004-02-17 Mark H. Beierle Radial cam driven internal combustion engine
US7316116B2 (en) * 2003-02-14 2008-01-08 Adle Donald L Flywheel combustion engine
US20050115243A1 (en) * 2003-12-01 2005-06-02 Adle Donald L. Flywheel vane combustion engine
US20060191501A1 (en) * 2003-12-01 2006-08-31 Adle Donald L Flywheel vane combustion engine
US7856667B2 (en) * 2004-07-28 2010-12-28 Morning Pride Manufacturing, L.L.C. Liquid-tight, pull-over, protective garment for upper torso
US7121252B2 (en) * 2004-11-17 2006-10-17 Michael Elman Johnson Dynamic journal engine
GB0508902D0 (en) * 2005-05-03 2005-06-08 Highview Entpr Ltd Engines driven by liquefied gas
AU2007294489B2 (en) * 2006-09-07 2013-03-14 Revetec Holdings Limited Improved opposed piston combustion engine
GB2462802A (en) * 2008-07-15 2010-02-24 Stephen Richard Terry Crankless internal combustion engine; desmodromic valve actuation for i.c. engines
WO2012155178A1 (en) * 2011-05-13 2012-11-22 Shutlar Martin Robert An apparatus, an engine, a pump, an electrical motor and/or an electrical generator
AU2011253862B1 (en) * 2011-12-07 2013-05-16 Martin Robert SHUTLAR An engine
GB2522204B (en) * 2014-01-15 2016-06-22 Newlenoir Ltd Piston arrangement
US9194287B1 (en) * 2014-11-26 2015-11-24 Bernard Bon Double cam axial engine with over-expansion, variable compression, constant volume combustion, rotary valves and water injection for regenerative cooling

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FR446378A (fr) * 1912-07-20 1912-12-03 Maurice Picaud Dispositif permettant de supprimer le vilebrequin dans tous moteurs possédant cylindres et pistons
US1830046A (en) * 1928-09-28 1931-11-03 White Frank Internal combustion engine
US1904680A (en) * 1930-04-18 1933-04-18 Ferry S Inc Radial cam type internal combustion engine
FR775736A (fr) * 1934-07-11 1935-01-08 Constructeurs Fecampois Moteur à combustion interne
FR1375892A (fr) * 1963-09-09 1964-10-23 Moteur à combustion interne
DE2042632A1 (de) * 1970-08-27 1972-03-02 Motorenfabnk Hatz GmbH, 8399 Ruhs torf Kolbenmaschine
US4465042A (en) * 1980-06-09 1984-08-14 Bristol Robert D Crankless internal combustion engine
DE3334463A1 (de) * 1983-09-23 1985-04-11 Joachim Ing.(grad.) 7306 Denkendorf Mozdzanowski Excenterkolben-motor oder -kompressor mit im kolben sitzendem einlassventil
US4545336A (en) * 1984-10-01 1985-10-08 Bcds Corporation Engine with roller and cam drive from piston to output shaft
DK156308C (da) * 1985-08-23 1989-12-11 N Proizv Lab Dvigateli Vat Gor Modulforbraendingsmotor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2651829A1 (fr) * 1989-09-08 1991-03-15 Innovations Atel Const Moteur a explosion sans embiellage ni vilebrequin du type cylindres en etoile.
FR2679604A1 (fr) * 1991-07-25 1993-01-29 Innovations Atel Const Moteur a explosion sans embiellage ni villebrequin du type cylindres en etoile.
FR2818314A1 (fr) 2000-12-19 2002-06-21 Robert Giacomin Machine alternative a pistons opposes

Also Published As

Publication number Publication date
FR2607552B1 (fr) 1991-07-19
US4848282A (en) 1989-07-18
EP0269536B1 (de) 1991-01-23
FR2607552A1 (fr) 1988-06-03
JPS63239318A (ja) 1988-10-05
DE3767677D1 (de) 1991-02-28
EP0269536A3 (en) 1989-04-05

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