EP1484474B1 - Endothermischer Motor mit drehenden Kolben - Google Patents

Endothermischer Motor mit drehenden Kolben Download PDF

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Publication number
EP1484474B1
EP1484474B1 EP03425350A EP03425350A EP1484474B1 EP 1484474 B1 EP1484474 B1 EP 1484474B1 EP 03425350 A EP03425350 A EP 03425350A EP 03425350 A EP03425350 A EP 03425350A EP 1484474 B1 EP1484474 B1 EP 1484474B1
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EP
European Patent Office
Prior art keywords
drive shaft
piston
chamber
stator chamber
stator
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
EP03425350A
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English (en)
French (fr)
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EP1484474A1 (de
Inventor
Giovanni Donato
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Individual
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Individual
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Priority to DE60307439T priority Critical patent/DE60307439T2/de
Priority to AT03425350T priority patent/ATE335913T1/de
Priority to ES03425350T priority patent/ES2269963T3/es
Priority to EP03425350A priority patent/EP1484474B1/de
Publication of EP1484474A1 publication Critical patent/EP1484474A1/de
Application granted granted Critical
Publication of EP1484474B1 publication Critical patent/EP1484474B1/de
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    • 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
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/02—Radially-movable sealings for working fluids
    • F01C19/04—Radially-movable sealings for working fluids of rigid material
    • 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
    • F01C1/40—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 having a hinged member
    • F01C1/44—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 having a hinged member with vanes hinged to the inner member
    • 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
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F01C21/104—Stators; Members defining the outer boundaries of the working chamber
    • F01C21/106—Stators; Members defining the outer boundaries of the working chamber with a radial surface, e.g. cam rings

Definitions

  • the present invention relates to an endothermic motor with rotating pistons.
  • stator "a” having an internal chamber “b” of cylindrical shape with trochoidal profile cross section whose surface is concave excepting in two opposed median zones “c” where it is slightly convex.
  • a rotor “f” located within the chamber is connected to a drive shaft “d” (traversing coaxially the chamber) by a cam “e” with circular profile fastened eccentrically to the drive shaft, said rotor consisting of a prismatic body whose cross section has the profile of a triangle with curvilinear sides.
  • FIGS 1A-1D illustrate how the strokes follow each other in each of the three hollow spaces with each 90° rotation of the drive shaft and with a corresponding 30° rotation of the rotor. Indeed, to the rotor positions illustrated in the FIGS correspond the following strokes in the hollow spaces (f1), (f2) and (f3) adjacent to the sides f1, f2 and f3 of the rotor.
  • Document DE-B-12955569 discloses an endothermic engine with rotating pistons with an inner chamber, a drive shaft and rods with one end connected rigidly to the drive shaft and the other end hinged with a respective piston of prismatic shape, the pistons having a convex surface with two rectilinear apical edges.
  • the section profile of the inner chamber is ovoidal and is constructed adopting for two opposite parts a circumference arch and for the remaining parts curves obtained point by point by the trajectory traced by one apical edge of a piston when the other edge moves along one of the two circumference arches.
  • the endothermic motor with rotating pistons envisages a cycle of operation comprising the strokes of suction, compression, expansion and fluid exhaust and the presence of:
  • FIGS 2, 3 and 4A-4D illustrate the solution idea on which the present invention is based.
  • the endothermic motor in accordance with the present invention calls for an operational cycle comprising suction, compression, expansion and fluid exhaust strokes and the presence of:
  • FIG 5 shows a diagrammatic view of the stator chamber and the rotor illustrating a preferred sizing criterion for the same.
  • each piston 3b, 3b' is sized in such a manner that the distance between its apical edges is equal to 2r while the axis of the hinge connecting the crank 3a, 3a' to the respective piston 3b, 3b' is located in the plane defined by said apical edges and equidistant therefrom while the crank 3a, 3a' is sized in such a manner that the distance between the axis of the above mentioned hinge and the axis of the drive shaft is equal to "r".
  • L/l is assumed within a range of between 1.15 and 1.35.
  • FIGS 4A-4D illustrate how the strokes in each one of the two hollow spaces follow each other with each 45° rotation of the rotor and the drive shaft.
  • FIGS 6A-6D show diagrammatically axonometric views of the cylindrical body 1c in FIGS 2 and 3 and more precisely the front view (FIG 6A), top view (FIG 6B), bottom view (FIG 6C) and side view (FIG 6D).
  • FIGS 7A and 7B show respectively the front and side views of the plate 1a shown in FIGS 2 and 3.
  • FIGS 8A-8E show axonometric views of a piston of FIG 3 and more precisely the top view (FIG 8A), front view (FIG 8B), exploded bottom view (FIG 8C), exploded cross section view (FIG 8D) and side view (FIG 8E) of the piston without the apical insert referred to below.
  • FIGS 9A and 9B show (in reduced scale compared to that used for FIGS 8) respectively the top and front views of the cranks 3a, 3a' and the drive shaft 2 while FIGS 10A and 10B show respectively the top an side views of the piston pin to be fitted with the ends in the holes 82 of each piston (FIGS 8A-8C).
  • FIG 9B shows that the crank ends 3a and 3a' are shaped like a fork and that the piston pin 10 in its median part displays a square cross section. Indeed, this part is designed to be fastened by keying in the cavity of said fork as shown in broken lines in FIG 98.
  • FIGS 11, 12, 13A and 13B show the equivalent of FIGS 3, 4, 9A and 9B if the motor is realized with three rotating pistons.
  • the sizing criteria and in particular the form of the stator cavity and that of the pistons are similar to the above while the number of useful cycles per revolution of the drive shaft will go from two to three.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Reciprocating Pumps (AREA)

Claims (6)

  1. Endothermer Motor mit rotierenden Kolben (3b, 3b'), dessen Betriebszyklus Ansaug-, Kompressions-, Arbeits- und Fluid-Auslasshub aufweist und in welchem vorhanden sind:
    - ein Stator (1), der eine innere Statorkammer mit zylindrischer Form aufweist, die an ihren Enden durch zwei Grundplatten (1a, 1b) verschlossen ist und mit einem Auslasskanal (1d) zum Auslassen von Fluid aus der Kammer und einem Ansaugkanal (1e) zum Ansaugen von Fluid in die Kammer versehen ist,
    - eine Antriebswelle (2), welche die Kammer koaxial durchquert,
    - ein Rotor (3), der mit der Antriebswelle verbunden ist und während seiner Rotation Flächen aufweist, die Teilen der Oberfläche der Statorkammer zugewandt sind und mit den Teilen Arbeitskammern begrenzen, deren Volumen mit der Rotation der Antriebswelle variabel ist,
    wobei:
    - der Rotor Stangen (3a, 3a') umfasst, die als Kurbelarme fungieren, wobei von jeder ein Ende starr mit der Antriebswelle (2) verbunden ist und das andere Ende mit einem jeweiligen Kolben (3b, 3b') von prismatischer Form gelenkig verbunden ist,
    - der Kolben eine konvexe Oberflächenseite (3b_, 3b'_) aufweist, die auf zwei einander gegenüberliegenden Seiten mit zwei geradlinigen, an der Spitze befindlichen Kanten (3b^, 3b'^) endet, die zur Achse der Antriebswelle parallel sind,
    - die Seite (3b_, 3b'_) während der Rotation der Antriebswelle immer Teilen der Oberfläche der Statorkammer zugewandt ist und eine Krümmung aufweist, die niemals größer als die Krümmung der Teile ist, und
    - die Statorkammer einen Querschnitt mit ovalem Profil aufweist, das symmetrisch bezüglich zweier zueinander senkrechter Achsen (x, y) ist und auf eine solche Weise geformt ist, dass bei jeder Rotorposition ein dichter Kontakt mit den beiden an der Spitze befindlichen Kanten sichergestellt ist, wodurch ein Hohlraum definiert ist, der von der Oberfläche der Ständerkammer und der konvexen Oberflächenseite des Kolbens begrenzt wird und in welchem der Betriebszyklus stattfindet,
    - wenn man mit "l" und "L" die Längen der kürzeren bzw. der längeren Halbachse des ovalen Profils der Statorkammer bezeichnet und mit "r" den Wert 0 , 5 ⋅ L 2 + l 2
    Figure imgb0009
     bezeichnet, die an der Spitze befindlichen Kanten (3b^, 3b'^) jedes Kolbens einen Abstand von 2·r voneinander aufweisen,
    dadurch gekennzeichnet, dass:
    - sich die Achse des Gelenks jedes Kolbens in der Ebene befindet, die durch die zwei an der Spitze befindlichen Kanten definiert ist und von ihnen äquidistant ist,
    - der Abstand der Achse des Gelenks von der Achse der Antriebswelle "r" beträgt,
    - das Profil der Statorkammer in Polarkoordinaten durch die Gleichung ρ ( θ ) = 2 r ⋅ cos ( ( Ψ M − Ψ m ) ⋅ sin 2 θ + Ψ m )
    Figure imgb0010
    ausgedrückt wird, wobei ψM = arccos(l/2r) und ψm = arccos(L/2r).
  2. Endothermer Motor nach Anspruch 1, dadurch gekennzeichnet, dass das Verhältnis L/l zwischen 1,15 und 1,35 beträgt.
  3. Endothermer Motor nach Anspruch 2, bei welchem das Verhältnis L/l gleich 1,28 ist.
  4. Endothermer Motor nach Anspruch 1, bei welchem die Anzahl der als Kurbelarme fungierenden Stangen zwei beträgt und diese sich in diametral gegenüberliegenden Positionen befinden.
  5. Endothermer Motor nach Anspruch 1, bei welchem die Anzahl der als Kurbelarme fungierenden Stangen drei beträgt und diese in gleichen Winkelabständen voneinander angeordnet sind.
  6. Endothermer Motor nach einem der obigen Ansprüche, dadurch gekennzeichnet, dass die Enden jedes Kolbens, die von den an der Spitze befindlichen Kanten begrenzt werden, in der Form von Komponenten (84) ausgeführt sind, die in einer Richtung beweglich sind, die zu der durch die zwei an der Spitze befindlichen Kanten definierten Ebene parallel und zu den Kanten senkrecht ist, und von Federn zu der Oberfläche der Statorkammer hin belastet werden, um die Abdichtung des Kolbens an seinen an der Spitze befindlichen Kanten sicherzustellen.
EP03425350A 2003-06-03 2003-06-03 Endothermischer Motor mit drehenden Kolben Expired - Lifetime EP1484474B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE60307439T DE60307439T2 (de) 2003-06-03 2003-06-03 Endothermischer Motor mit drehenden Kolben
AT03425350T ATE335913T1 (de) 2003-06-03 2003-06-03 Endothermischer motor mit drehenden kolben
ES03425350T ES2269963T3 (es) 2003-06-03 2003-06-03 Motor endotermico con pistones rotativos.
EP03425350A EP1484474B1 (de) 2003-06-03 2003-06-03 Endothermischer Motor mit drehenden Kolben

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03425350A EP1484474B1 (de) 2003-06-03 2003-06-03 Endothermischer Motor mit drehenden Kolben

Publications (2)

Publication Number Publication Date
EP1484474A1 EP1484474A1 (de) 2004-12-08
EP1484474B1 true EP1484474B1 (de) 2006-08-09

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AT (1) ATE335913T1 (de)
DE (1) DE60307439T2 (de)
ES (1) ES2269963T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018010127A1 (de) 2018-12-24 2020-06-25 Marian Golebiowski Drehkolbenmotor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3005106B1 (fr) * 2013-04-25 2017-11-24 Jean Pierre Ambert Machine volumique rotative a trois pistons
US20150275748A1 (en) * 2014-03-31 2015-10-01 Gene Underwood Rotary Compression Engine
ITUB20153666A1 (it) * 2015-09-16 2017-03-16 Clausius Key S R L Processo ed impianto di cogenerazione tramite gassificazione di materia organica

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880045A (en) * 1957-04-24 1959-03-31 Nsu Werke Ag Seals for working spaces of rotary piston machines
DE1295569B (de) * 1960-07-28 1969-05-22 Jordan Alfred Rotationskolben-Brennkraftmaschine
FR1443953A (fr) * 1965-03-26 1966-07-01 Moteur à explosions à pistons rotatifs oscillants
EP0289561A1 (de) * 1986-11-14 1988-11-09 Hubert Petutschnig Rotationskolbeneinheit
WO2001088341A1 (en) * 2000-05-12 2001-11-22 Peter Szorenyi Hinged rotor internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018010127A1 (de) 2018-12-24 2020-06-25 Marian Golebiowski Drehkolbenmotor

Also Published As

Publication number Publication date
ATE335913T1 (de) 2006-09-15
ES2269963T3 (es) 2007-04-01
DE60307439T2 (de) 2006-11-30
EP1484474A1 (de) 2004-12-08
DE60307439D1 (de) 2006-09-21

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