EP0897458B1 - Moteur a combustion interne a piston rotatif - Google Patents

Moteur a combustion interne a piston rotatif Download PDF

Info

Publication number
EP0897458B1
EP0897458B1 EP97917929A EP97917929A EP0897458B1 EP 0897458 B1 EP0897458 B1 EP 0897458B1 EP 97917929 A EP97917929 A EP 97917929A EP 97917929 A EP97917929 A EP 97917929A EP 0897458 B1 EP0897458 B1 EP 0897458B1
Authority
EP
European Patent Office
Prior art keywords
exhaust
rotary piston
valves
rotary
engine
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
EP97917929A
Other languages
German (de)
English (en)
Other versions
EP0897458A1 (fr
Inventor
Ke Jian Shang
Hua Miao
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0897458A1 publication Critical patent/EP0897458A1/fr
Application granted granted Critical
Publication of EP0897458B1 publication Critical patent/EP0897458B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/30—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F01C1/34—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members
    • F01C1/356—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • F01C1/3562—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C11/00—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
    • F01C11/002—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type of similar working principle
    • F01C11/004—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type of similar working principle and of complementary function, e.g. internal combustion engine with supercharger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C20/00—Control of, monitoring of, or safety arrangements for, machines or engines
    • F01C20/10—Control of, monitoring of, or safety arrangements for, machines or engines characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
    • F01C20/14—Control of, monitoring of, or safety arrangements for, machines or engines characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using rotating valves

Definitions

  • the present invention relates to a rotary piston internal combustion engine, with an essentially circular cylindrical compression space and one circular cylindrical work space, being in the compression space and in the work space
  • Rotary pistons are arranged, which together around an axis of compression space and work space are rotatable, being in the compression space and in the work space
  • Sliders are provided which are arranged to be movable in the radial direction to lie sealingly on the surface of the respective rotary piston, and being on the circumference a first exhaust opening is provided in the work area.
  • Internal combustion engines after Rotary piston principle are particularly advantageous because they do not have reciprocating pistons have, whereby a quiet run and high speeds can be achieved.
  • a rotary piston internal combustion engine in a partition is arranged through which the working space is separated from the compression space is, and wherein oval rotary pistons are arranged in the compression chamber and work space are that rotate about an axis concentric to the compression space and work space. Compression and drive is achieved in that a substantially radially movable Slide rests sealingly on the surface of the respective rotary piston.
  • the work space is in the expansion ratio of the gas mixture larger than the compression space.
  • Such a rotary piston internal combustion engine is known from DE-A 43 05 669.
  • DE-A 43 05 669 are there a smaller compression space and a larger work space are assigned to the compression and the combustion of the sucked gas mixture and the exhaust of the exhaust gas guarantee.
  • motors of a similar design are, for example, in DE-C 387 287, in DE-C 404 080, in DE-A 14 76 672, in FR-A 2 083 703 or in GB-A 1 469 295 disclosed.
  • the object of the present invention is so the internal combustion engine described above to further develop that a new control for the volume of the work space, an improved Connection control between compression area and work area and an improved Sealing between slide, roller and rotary lobe is possible to ensure optimal operation to realize under different operating conditions.
  • this object is achieved in that further exhaust openings in the work area are provided, which can be closed by exhaust valves, which exhaust valves Can be closed and opened one after the other via an adjusting device.
  • the volume of the working space with further exhaust openings and the exhaust valves connected is essential to the invention that the volume of the working space with further exhaust openings and the exhaust valves connected. Depending on the position of the exhaust valves the effective volume of the work space by closing or opening the further exhaust openings can be enlarged or reduced.
  • the exhaust valves are designed as rotary valves, the Axes are essentially parallel to the axis of the working space and the compression space. In this way, actuation of the exhaust valves is possible in a particularly simple manner.
  • the adjusting device in turn is designed as a rotary slide valve , which is preferably connected to the exhaust valves via driver levers stands. In this way, reliable actuation of the exhaust valves is achieved.
  • a preferred embodiment of the present invention provides that on the outer Exhaust manifold is provided around the circumference of the working space, which is the first exhaust opening connects to the other exhaust ports.
  • connection control valves are designed as rotary slide valves is particularly advantageous are in the connection openings on the partition between the compression space and the work space are arranged, and their axes are substantially radial to the axis of work space and compression space. In this way, the connection control valves are operated possible in a particularly easy manner.
  • driver grooves which preferably via driver with the connection control valves in Connect, on which rotary lobes are provided. This way it becomes a reliable one Actuation of the connection control valves achieves that of the connection control valves are rotatable in two opposite directions by the rotary lobes, and thereby be opened or closed.
  • the two slides carry rollers at their tips that over Contact strips and leaf springs are sealed.
  • the seal between Slider, roller and rotary piston are improved.
  • the sliders are on by the dividing wall and the support disks are guided on both sides, which is particularly important, since during the work cycle relatively large expansion forces act on one side of the burned gas on the slide. This way the wear minimized.
  • FIG. 1 shows a partially sectioned front view of the invention Device
  • Fig. 2 shows a section along line A-A in Fig. 1
  • Fig. 3 shows a partially sectioned end view of the housing
  • Fig. 4 is a partially sectioned end view the connection openings in detail Y in Figure 3 on an enlarged scale
  • the Fig.5 a section of the connection opening along line E-E in Fig. 4
  • Fig. 6 shows a section of the Connection opening along line F-F in Fig. 4
  • Fig. 7 is a partially sectioned right Side view of the housing
  • Fig. 8 is a partially sectioned left side view Section of the housing along line A-A in Fig. 3, Fig.
  • FIGS. 9 is a plan view of the housing, the 10 and 11 views of the cover of the exhaust manifold, FIGS. 12 and 13 views the mounting plate on an enlarged scale, FIGS. 14 and 15 views of the actuating device, 16 to 19 designs of the cover of the compression chamber, FIGS. 20 to 22 designs of the cover of the working space, FIGS. 23 and 24 views of the support disc, 25 to 28 views of the rotary lobes, FIGS. 29 to 34 representations of the Connection control valves on an enlarged scale, wherein Fig. 30 is a section along line A-A in Fig. 29 and Fig. 31 is a section along the line B-B in Fig. 29, and wherein the 33 shows a section along the line A'-A 'in FIG. 32 and FIG.
  • FIG. 34 shows a section along the line B'-B' in FIG Fig. 32 is, Figs. 35 to 37, views of the exhaust valve on an enlarged scale, wherein 36 shows a section along line A "-A" in FIG. 35 and FIG. 37 shows a section along line B "-B" in Fig. 35.
  • the device according to the invention has a substantially cylindrical housing 1 which through a partition 2 into two cylindrical spaces, namely a compression space 3 and a work area 4 is divided. At the front sides, the housing 1 is on the side of the work area 4 by a cover 6 and on the side of the compression chamber 3 by a Cover 5 completed. Cooling fins 1 a are provided on the circumference of the housing 1. in the Compression chamber 3, a rotary piston 7 is rotatably arranged, while in the working chamber 4 Rotary piston 8 is rotatably arranged. The rotary lobes 7 and 8 are on a common one Shaft 11 fixed against rotation. The shaft 11 is low-friction on the roller bearing 11a Lids 5 and 6 stored. An opening 12 serves to receive a not shown Spark plug.
  • a valve housing 9 is provided, which projects essentially radially outwards.
  • a slide housing 10 is provided.
  • each of the slide housings 9, 10 two slides 19 are slidably arranged, which carry rollers 20 at their front end, which roll on the rotary pistons 7, 8.
  • the Contact strips with leaf springs 21 seal the rollers 20 against the slides 19.
  • Support washers 22 and 23 represent the slideways of the slide 19 opposite the partition 2 Lids 5 and 6 of the compression chamber 3 and the work chamber 4, respectively.
  • connection control valves 24 and 24 ' are provided, which are secured in their positions by a cover 25.
  • Each connection control valve 24 and 24 ' is essentially cylindrical and has two drivers 24a, which are actuated by the rotary lobes 7 and 8. This makes connection control valves rotatable in two opposite directions and adjust depending on the position of the rotary lobes 8 and 7 a connection between compression space 3 and work space 4 or interrupt this.
  • connection control valves 24 and 24 ' are shown in detail.
  • the connection control valves 24, 24 ' are constructed identically, but differ only its length, since the connection control valves 24 are made shorter for reasons of space have to.
  • connection openings 29 are, as can be seen from FIGS. 5 and 6, as bores 29b formed, the axis of which is parallel to the partition 2, with the Bore 29b connecting slots 29c go out on both sides of the partition 2 open up.
  • a cut-out 29a is provided in the lower section to provide space for movement to create the pins 24a.
  • a first exhaust opening 26 is always open, via an exhaust manifold 28 and a connector 14 on the cover 30 of the exhaust manifold 28 is connected to the exhaust, not shown. Furthermore, seen in the direction of rotation, after the first exhaust opening 26 further exhaust openings 27 is provided, which extends over an angular range of approximately 90 ° of the circumference of the working space 4 extend. These further exhaust openings 27 also connect the work area 4 with the exhaust manifold 28.
  • exhaust valves 15 arranged, which have a substantially cylindrical structure and are rotatable. Depending on the rotation of the exhaust valve 15, exhaust gas can pass through the exhaust openings 27 or not from the work space 4 into the exhaust manifold 28.
  • Each Exhaust valve 15 has a driver lever 15a, which acts through an annular spring 15b is biased to a retaining pin 15c.
  • the driving lever 15a is, as shown in FIGS. 35 to 37 can be seen, inserted into a bore 15d, which is arranged in an end section 15e is.
  • a recess 15f is in the form of a radially continuous slot, to let the exhaust gases pass through.
  • a mounting plate 16 that supports the exhaust valves 15 leads into the further exhaust openings 27, on the outside of the cover 6 the work space 4 arranged.
  • the holding pins 15c are fastened on the mounting plate 16, and an adjusting device 17 is mounted, which is rotatable about the axis of the shaft 11 and in is in the form of a rotary valve.
  • a Bowden cable 18, with not shown Control devices is also on the mounting plate and the Adjustment device 17 attached.
  • the adjusting device 17 is tensioned by the Bowden cable 18 operated.
  • An annular spring 16e tensions the adjusting device 17 against the pulling direction the Bowden cable 18 before.
  • By rotating the adjusting device 17 in the Counterclockwise direction in Fig. 1 (access of the Bowden cable 18) further exhaust openings 27 are closed one after the other by the rotation of the exhaust valves 15.
  • the exhaust valves 15 are opened one after the other. If all other exhaust openings 27 are closed, the effective volume is largest in the work area. When all other exhaust openings 27 are open, is the volume of the work space is smallest.
  • Fig. 7 shows a side view of the housing 1 with a view of the open Exhaust manifold 28. Here are the first exhaust opening 26 and the other exhaust openings 27 visible.
  • Fig. 9 shows a top view of the cutting guides in the other figures to clarify.
  • the cover 30 of the exhaust duct is shown in detail, the Connection 14 for the exhaust, not shown, can be seen.
  • the mounting plate 16 is drawn out individually.
  • the mounting plate 16 has an opening 16d which defines the center around which those in these figures are not shown adjusting device 17 is rotatable. Is at the same distance from this opening 16d a series of first bores 16a are arranged, which are designed to guide the exhaust valves 15 are. Further bores 16b are used to hold retaining pins that make a stop represent for the driver lever 15a of the exhaust valves 15.
  • a bracket 16c is used for fastening the Bowden cable 18.
  • the adjusting device 17 has an annular sector first web 17a and a second web arranged concentrically thereto 17b.
  • a groove 17c is formed between these webs 17a and 17b.
  • the groove 17c is like this trained that the protruding parts of the exhaust valves 15 can be accommodated in it.
  • a The end region of the groove 17e, 17f or the webs 17a and 17b is designed to be the driver lever 15a of the exhaust valves 15 switch when the end 17e has a corresponding Exhaust valve 15 slides. This causes the individual exhaust valves 15th can be switched one after the other.
  • a bracket 17d is used to attach the Bowden cable.
  • FIGS. 20 to 22 show views of the cover 6 of the work space 4.
  • the support disc 23 and 24 show the shape of the support disc 22.
  • the support disc 23 is of the same type educated.
  • the support disk 22 has a bore 22a for receiving the shaft 11 Slot 22b is provided for guiding the slide 19. Grooves 22c arranged on the circumference are used for the exact positioning of the support disk 22 in the compression chamber 3.
  • the piston 7 is drawn out.
  • the piston is oval and has a bore 7a with a groove 7b for receiving the shaft 11 or one Key, not shown, which represents an anti-rotation device with respect to the shaft 11.
  • a recess 7c and a driving groove 7d which communicates with the outer circumference of the piston 7 and with the drivers 24a of the connection control valves 24, 24 'is engaged.
  • the piston 7 is in the substantially oval, and has the most distant from the bore 7a Section a sliding section 7e.
  • the sliding portion 7e is formed on the outer To seal the circumference of the compression chamber 3.
  • the sealing portion 7e is as Sector-shaped surface formed, the center of which lies in the shaft axis.
  • the rotary piston 8 is analogous to the rotary piston 7 formed, but mirror-symmetrical to it and with dimensions that correspond to the work area 4 are adapted.
  • the bore 8a including keyway 8b, the recess 8c, the Driving groove 8d and the sealing section 8e correspond to the elements with the reference numerals 7a, 7b, 7c, 7d and 7e of the rotary piston 7.
  • the internal combustion engine according to the invention enables the volume of the working space by closing or opening the other exhaust openings after the change the speed and load or the air-fuel ratio of the gas mixture can change that the connection between the compression space and the work space that the seal is easily controlled by the closure or opening of the connection valves between slide, roller and rotary piston by the arrangement of the slide, Abrasive pieces and leaf springs is improved. This makes high performance and an affordable one Exhaust behavior with low exhaust noise in a variety of operating conditions reached.
  • the internal combustion engine of the present invention be carried out with a plurality of compression rooms or work rooms can be arranged offset in the axial direction on a common shaft. Furthermore, it is clear that the internal combustion engine according to the invention, which is shown in the Embodiment has been described as a gasoline engine, also according to the diesel principle can work. In this case the corresponding changes regarding the compression ratio would have to be made be carried out in a manner known to the person skilled in the art. Instead of Spark plug would have to be arranged with an injection nozzle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Valve Device For Special Equipments (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Claims (9)

  1. Moteur à combustion interne à piston rotatif, avec un espace de compression (3) et un espace de travail (4), tous deux circulaires, sensiblement cylindriques dans l'espace de compression (3), et dans les espaces de travail (4) et de compression (3) sont respectivement disposés des pistons rotatifs (7, 8), qui peuvent tourner conjointement autour d'un axe de l'espace de compression (3) et de l'espace de travail (4), dans l'espace de compression (3) et dans l'espace de travail (4) sont prévus des registres (19), qui sont disposés mobiles en direction radiale pour appuyer avec effet d'étanchéité sur la surface du piston rotatif (7, 8) respectif, et à la périphérie de l'espace de travail est prévue une première ouverture d'échappement (26),
    caractérisé en ce que
    sont prévues dans l'espace de travail d'autres ouvertures d'échappement (27), pouvant être obturées par des soupapes d'échappement (15), ces soupapes d'échappement (15) pouvant se fermer et s'ouvrir les unes après les autres, par l'intermédiaire d'un dispositif de réglage (17).
  2. Moteur à combustion à piston rotatif selon la revendication 1,
    caractérisé en ce que
    les soupapes d'échappement (15) sont réalisées sous la forme de registres rotatifs, dont les axes sont sensiblement parallèles à l'axe de l'espace de travail (4) et de l'espace de compression (3).
  3. Moteur à combustion à piston rotatif selon la revendication 1 ou 2,
    caractérisé en ce que
    le dispositif de réglage (17) est réalisé sous la forme de registre rotatif.
  4. Moteur à combustion à piston rotatif selon la revendication 1 ou 2,
    caractérisé en ce que
    le dispositif de réglage (17) réalisé sous la forme de registre rotatif est relié aux soupapes d'échappement (15) par l'intermédiaire de leviers d'entraínement (15a).
  5. Moteur à combustion à piston rotatif selon l'une des revendications 1 ou 4,
    caractérisé en ce que
    le dispositif de réglage (17) est actionnable par l'intermédiaire d'un câble de Bowden (18).
  6. Moteur à combustion à piston rotatif selon l'une des revendications 1 ou 5,
    caractérisé en ce que
    sur la périphérie extérieure de l'espace de travail (4), est prévu un canal collecteur d'échappement (28) qui relie la première ouverture d'échappement (26) aux autres ouvertures d'échappement (27).
  7. Moteur à combustion à piston rotatif selon l'une des revendications 1 ou 6,
    caractérisé en ce que
    chaque fois deux registres (19) sont montés coulissants dans un carter à registres (9, 10), et qu'ils portent sur leur pointe des rouleaux (20) qui sont isolés de façon étanche par l'intermédiaire de pièces à frottement-raclage (21) et de ressorts lames.
  8. Moteur à combustion à piston rotatif selon l'une des revendications 1 ou 7,
    caractérisé en ce qu'
    entre l'espace de compression (3) et l'espace de travail (4) sont disposées des soupapes de commande de liaison (24, 24'), ouvertes et fermées par les pistons rotatifs (7, 8).
  9. Moteur à combustion à piston rotatif selon la revendication 8,
    caractérisé en ce que
    les soupapes de commande de liaison (24, 24') présentent des organes d'entraínement (24a) qui s'engagent dans une rainure d'entraínement des pistons rotatifs (7d, 8d).
EP97917929A 1996-05-06 1997-04-30 Moteur a combustion interne a piston rotatif Expired - Lifetime EP0897458B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT80596 1996-05-06
AT805/96 1996-05-06
AT80596 1996-05-06
PCT/AT1997/000085 WO1997042398A1 (fr) 1996-05-06 1997-04-30 Moteur a combustion interne a piston rotatif

Publications (2)

Publication Number Publication Date
EP0897458A1 EP0897458A1 (fr) 1999-02-24
EP0897458B1 true EP0897458B1 (fr) 1999-10-27

Family

ID=3500119

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97917929A Expired - Lifetime EP0897458B1 (fr) 1996-05-06 1997-04-30 Moteur a combustion interne a piston rotatif

Country Status (9)

Country Link
US (1) US6349696B1 (fr)
EP (1) EP0897458B1 (fr)
JP (1) JP3831414B2 (fr)
CN (1) CN1095026C (fr)
AT (1) ATE186100T1 (fr)
AU (1) AU2626197A (fr)
DE (1) DE59700632D1 (fr)
ES (1) ES2137783T3 (fr)
WO (1) WO1997042398A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE298038T1 (de) 2001-07-07 2005-07-15 Thomas J Dougherty Stern-verbrennungsmotor mit schwimmendem ausgeglichenem kolben
US6886527B2 (en) * 2003-03-28 2005-05-03 Rare Industries Inc. Rotary vane motor
FR2911631A1 (fr) * 2007-01-19 2008-07-25 Philippe Kuzdzal Moteur rotatif a losange deformable

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR510945A (fr) 1914-03-11 1920-12-14 Otto Bracker Machine rotative
DE387287C (de) 1921-06-01 1923-12-27 Carl Martens Expansionsvorrichtung fuer Drehkolbenmaschinen mit Umsteuerung
DE404080C (de) 1923-03-20 1924-10-11 Albert Wellmann Umsteuerung fuer Maschinen mit umlaufenden, in der Kolbentrommel radial verschiebbaren Kolben
US2248639A (en) * 1935-01-04 1941-07-08 Miksits Reinhold Rotary piston machine
US2091120A (en) 1935-04-25 1937-08-24 Norton W Kinney Internal combustion engine
DE817058C (de) 1948-12-12 1951-10-15 Otto Schumann Abdichtung von Brennkraft-Drehkolbenmaschinen mit Widerlagerschiebern
DE822312C (de) 1948-12-12 1951-11-26 Otto Schumann Brennkraft-Drehkolbenmaschine
DE1476672C3 (de) 1965-12-22 1973-11-15 Barth, Harald, Dr.-Ing., 6680 Neunkirchen Parallel- und innenachsige Druckluft-Rotationskolben-Kraftmaschine
FR2083703A5 (fr) 1970-03-03 1971-12-17 Bon Maurice
US3921594A (en) 1973-04-03 1975-11-25 Robert Douglas Lampard Internal combustion engines
CN1022772C (zh) * 1992-05-16 1993-11-17 丑毅 组合式叶片旋转发动机
DE4305669A1 (de) 1993-02-24 1994-08-25 Miao Hua Ovalumdrehungsverbrennungs-Motor
US5709188A (en) * 1993-12-09 1998-01-20 Al-Qutub; Amro Heat engine
US5501586A (en) 1994-06-20 1996-03-26 Edwards; Thomas C. Non-contact rotary vane gas expanding apparatus
US5596963A (en) * 1995-08-14 1997-01-28 Lai; Jui H. Stage combustion rotary engine

Also Published As

Publication number Publication date
EP0897458A1 (fr) 1999-02-24
AU2626197A (en) 1997-11-26
CN1211299A (zh) 1999-03-17
ES2137783T3 (es) 1999-12-16
ATE186100T1 (de) 1999-11-15
JP3831414B2 (ja) 2006-10-11
WO1997042398A1 (fr) 1997-11-13
DE59700632D1 (de) 1999-12-02
CN1095026C (zh) 2002-11-27
US6349696B1 (en) 2002-02-26
JP2000509459A (ja) 2000-07-25

Similar Documents

Publication Publication Date Title
EP0033372B1 (fr) Système de freinage pour moteurs à combustion interne à soupapes
DE4320079A1 (de) Vorrichtung zur Bewegung eines Nockens relativ zu dessen Antriebswelle
DE4235715A1 (de) Kuehlgasfuehrungsmechanismus in einem taumelscheibenkompressor
EP0101431A2 (fr) Distribution par tiroir multiple
EP0521412B1 (fr) Moteur à combustion interne avec culbuteur pour la commande de soupape
EP0080070A1 (fr) Machine à combustion interne
DE19600536C2 (de) Vorrichtung zur variablen Steuerung eines Einlaßventils
EP0897458B1 (fr) Moteur a combustion interne a piston rotatif
DE19529684C2 (de) Kolbenverdichter, insbesondere für die Drucklufterzeugung in Kraftfahrzeugen
DE4417309A1 (de) Hubkolben-Brennkraftmaschine mit Verdichtungssteuerung
DE102006026694A1 (de) Variable Ventilvorrichtung eines Verbrennungsmotors
DE2062219C3 (de) Schmierung und Kühlung eines Gleitlagers einer Kreiskolben-Brennkraftmaschine in Trochoidenbauart
DE10137072A1 (de) Vorrichtung zum Antrieb von wenigstens einem Ventil eines Hubkolbenmotors
DE2909715A1 (de) Verbrennungsmotor mit scheibenfoermigen kolben
DE102009018870B3 (de) Hubkolbenverdichter mit Schieberventil
DE2033820C3 (de) Brennkraftmaschine
DE3832137C2 (fr)
DE2319257A1 (de) Rotationskolbenmotor
DE436721C (de) Umsteuerung fuer Drehkolben-Maschinen mit zwei in einem kreisringfoermigen, durch drei bewegliche Widerlagerschieber unterteilten Arbeitsgehaeuse umlaufenden Kolben
DE2606360A1 (de) Brennkraftmaschinensatz einer rotor-brennkammermaschine
WO2001071159A1 (fr) Moteur, notamment moteur a combustion interne
DE188541C (fr)
DE655263C (de) Rohrschiebersteuerung fuer Zweitaktbrennkraftmaschinen mit in Sternform angeordneten Zylindern
DE4310621C2 (de) Innenachsiger Drehkolbenverdichter
EP0392231A2 (fr) Appareil de commande pour compresseur à piston rotatif

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19980306

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT DE ES FR GB IT SE

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

17Q First examination report despatched

Effective date: 19990407

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT DE ES FR GB IT SE

REF Corresponds to:

Ref document number: 186100

Country of ref document: AT

Date of ref document: 19991115

Kind code of ref document: T

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19991028

REF Corresponds to:

Ref document number: 59700632

Country of ref document: DE

Date of ref document: 19991202

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2137783

Country of ref document: ES

Kind code of ref document: T3

ET Fr: translation filed
ITF It: translation for a ep patent filed

Owner name: MODIANO & ASSOCIATI S.R.L.

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

REG Reference to a national code

Ref country code: FR

Ref legal event code: RN

REG Reference to a national code

Ref country code: FR

Ref legal event code: FC

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050430

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20060405

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20060406

Year of fee payment: 10

Ref country code: ES

Payment date: 20060406

Year of fee payment: 10

Ref country code: AT

Payment date: 20060406

Year of fee payment: 10

Ref country code: SE

Payment date: 20060406

Year of fee payment: 10

Ref country code: GB

Payment date: 20060406

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF THE APPLICANT RENOUNCES

Effective date: 20070430

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20070430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070430

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20070503

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070503

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20070418