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EP0391866B1 - Fluidummaschine mit rotierender Bewegung - Google Patents

Fluidummaschine mit rotierender Bewegung Download PDF

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Publication number
EP0391866B1
EP0391866B1 EP90830147A EP90830147A EP0391866B1 EP 0391866 B1 EP0391866 B1 EP 0391866B1 EP 90830147 A EP90830147 A EP 90830147A EP 90830147 A EP90830147 A EP 90830147A EP 0391866 B1 EP0391866 B1 EP 0391866B1
Authority
EP
European Patent Office
Prior art keywords
rotor
fact
main rotor
cylinders
motor 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.)
Expired - Lifetime
Application number
EP90830147A
Other languages
English (en)
French (fr)
Other versions
EP0391866A1 (de
Inventor
Luigi Calamandrei
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.)
MAC Srl
Original Assignee
MAC Srl
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Filing date
Publication date
Application filed by MAC Srl filed Critical MAC Srl
Publication of EP0391866A1 publication Critical patent/EP0391866A1/de
Application granted granted Critical
Publication of EP0391866B1 publication Critical patent/EP0391866B1/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
    • F01B13/00—Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion
    • F01B13/04—Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion with more than one cylinder
    • F01B13/045—Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion with more than one cylinder with cylinder axes arranged substantially tangentially to a circle centred on main shaft axis
    • 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
    • F01B5/00—Reciprocating-piston machines or engines with cylinder axes arranged substantially tangentially to a circle centred on main shaft axis
    • F01B5/003—Reciprocating-piston machines or engines with cylinder axes arranged substantially tangentially to a circle centred on main shaft axis the connection of the pistons with an actuated or actuating element being at the outer ends of the cylinders

Definitions

  • the invention relates to an engine which uses an operating fluid to produce, through the action of pistons belonging to corresponding cylinders formed in one or more rotors integral with the same shaft, the rotational movement of the shaft itself .
  • Fluid motors and pumps comprising a rotor eccentrically housed in a fixed capsule and provided with oscillating radial vanes which are intended to delimit, with the internal wall of the capsule, chambers of variable volume in which fluid expansion takes place.
  • capsulism rotary motors are known, operating especially with compressed air, but the use of these motors is limited to non-high powers and / or for couples of high moment, but of short duration; the limitations are due, in addition, to the low efficiency linked to mechanical, heat and fluid losses.
  • compressed air star motors with radial cylinders, the pistons of which are connected to the crankshaft, separately or in pairs; but these engines are heavy and have a considerable bulk.
  • document GB-A-20609 describes an internal combustion engine in which a drum with a ring of cylinders is mounted idly on the elbow of a crank shaft which is fixed, so as to rotate eccentrically with respect to the axis of said shaft, and in which a flywheel, on which are articulated the feet of the connecting rods which exit from the cylinders of the aforementioned drum, turns mad on the same fixed shaft under the action of the drive transmitted by the drum by means of several seals kneeling with hinge; said fixed shaft and the elbow are hollow, to allow, at one end, the fuel supply and, at the other end, the exhaust of burnt gases, through corresponding orifices of intake and exhaust provided in the cylinders.
  • this type of engine requires the use of the movement of the steering wheel by means of a belt; it uses means for connecting the drum to the steering wheel which form an open kinematic chain which does not allow the reversal of the movement by inverting the flow of the operating fluid, and it furthermore imposes on the steering wheel an instantaneous angular speed which is not constant so that the engine is not properly balanced; moreover, it requires the longitudinal perforation of the fixed support shaft.
  • a rotary reaction machine which comprises two eccentric rings, interacting by means of a set of cylinders and pistons, one of which, the internal one (3), supports the cylinders ( 5) and the operator fluid distribution chamber, while the other, the external one, supports the piston rods.
  • this known rotary machine provides that the supply to the distribution chamber is effected by means of an orifice provided inside the internal ring (3), which leads to more construction complexity; requires compliance with very strict orifice calibration tolerance, to maintain the dynamic imbalance of said crown within acceptable limits; and reduces the response capacity of the internal crown (3) to the characteristics of bending and torsional stress.
  • the present invention aims to eliminate the aforementioned drawbacks.
  • a fluid motor with rotational movement comprising at least one main rotor with at least one ring of cylinders with the corresponding pistons and connecting rods which project from the periphery of the rotor, an auxiliary rotor, rolling around an axis eccentric relative to the main rotor and on which the feet of said connecting rods, means for distributing the fluid to the cylinders of the main rotor, are articulated, in which the main rotator is integral with a rolling shaft, motor and in which the means for connecting the rotors are identical and similarly oriented binoculars, with two pivots, one associated with the main rotor and the other with the auxiliary rotor and which have a center distance, equal to the eccentricity of the auxiliary rotor relative to the main rotor and so as to roll in concordance with the same instantaneous angular speed and with the same torque with respect to the main rotor
  • an engine according to the invention supplied by compressed air has a more constant torque value compared to known engines; that he presents a lower specific consumption compared to known engines with capsulisms and radial cylinders; that it has a reduced size and weight and is lower than that of the motors known to date; that it is by itself very well balanced and therefore requires no counterweight; that it is simple in construction and very reliable.
  • FIG. 1 schematically represents a transverse view of a fluid engine with a crown of four cylinders according to the invention, according to a first embodiment
  • FIG. 2 shows the sectional view along line A-A of FIG. 1
  • FIG. 3 shows the detailed transverse view of the distribution for the motor of FIG. 1
  • FIG. 4 shows the transverse view of a variant of the engine of FIG. 1
  • FIG. 5 shows the sectional view along line B-B of FIG. 4.
  • the connecting rod foot 40 of each connecting rod 4 is fitted on the button 71 of a corresponding intermediate crank 70, one of the pivots of which is in line and coupled with the button 72 of a corresponding binocular 7.
  • the length of the arms 73 of said crank 70, in relation to that of said binoculars 7, determines the length of the stroke of the pistons 3 so that it can be suitably preselected to obtain a stroke of the pistons 3 which is greater or less to "2E".
  • auxiliary rotor 6 can be associated with the connecting rods 4 of one or more cylinder crowns 11 and thus with one or more main rotors 1. It goes without saying that several rotors, main and auxiliary 1 and 6, can be mounted in line, with a single drive shaft 2. Furthermore, the axes "x" of the cylinders 11 of each ring belonging to the same main rotor 1 can be coplanar or otherwise placed on parallel planes and can have any direction, parallel or coincident with corresponding radii of the respective main rotor .
  • the device can operate as a suction pump or as a compressor.
  • the engine according to the invention can exploit thermal energy and therefore it can function as an external combustion engine (for example with steam) or internal combustion (for example with steam essence).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Motors (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (11)

  1. Fluid-Rotationsmotor mit
       wenigstens einem Hauptrotor (1) mit einem oder mehreren Kränzen von Zylindern (11) mit den entsprechenden Kolben (3) und Pleuelstangen (4), die sich über den Umfang des Hauptrohrs (1) hinaus erstrecken,
       einem Hilfsrotor (6), der sich um eine Achse (z) dreht, die zur Achse (Z) des Hauptrotors (1) exzentrisch ist, und an dem die Füße (40) der Pleuelstangen (4) angelenkt sind,
       Verbindungseinrichtungen für die beiden Rotoren (1, 6), und
       Verteilungseinrichtungen für das Fluid auf die Zylinder (11) des Hauptrotors (1),
    dadurch gekennzeichnet,
    daß der Hauptrotor (1) mit einer Drehwelle (2) des Motors fest verbunden ist, und daß die Verbindungseinrichtungen des Hilfsrotors (6) mit dem Hauptrotor (1) mehrere identische und gleich orientierte Kurbelbacken (7) mit zwei Drehzapfen umfassen, von denen der eine dem Hauptrotor (1) und der andere dem Hilfsrotor (6) zugeordnet ist und die einen Achsabstand aufweisen, der gleich der Exzentrizität des Hilfsrotors (6) bezüglich des Hauptrotors (1) ist, um eine momentane Winkelgeschwindigkeit und ein Motordrehmoment des Hilfsrotors (6) zu erhalten, die der momentanen Winkelgeschwindigkeit und dem Motordrehmoment des Hauptrotors (1) gleich sind.
  2. Motor nach Anspruch 1, dadurch gekennzeichnet, daß die Achsen der Zylinder (11) ein und desselben Kranzes koplanar sind.
  3. Motor nach Anspruch 1, dadurch gekennzeichnet, daß die Achsen der Zylinder ein und desselben Kranzes sich in parallelen Ebenen befinden.
  4. Motor nach Anspruch 1, dadurch gekennzeichnet, daß die Achsen der Zylinder (11) ein und desselben Kranzes zu den entsprechenden Radien des Hauptrotors (1) parallel sind oder mit diesen zusammenfallen.
  5. Motor nach Anspruch 1, dadurch gekennzeichnet, daß die Verbindungseinrichtungen (7) des Hilfsrotors (6) mit dem Hauptrotor (1) mehrere identische und gleich orientierte Kurbelbacken (7) mit zwei Drehzapfen umfassen, von denen der eine dem Hauptrotor (1) und der andere dem Hilfsrotor (6) zugeordnet ist und die einen Achsabstand aufweisen, der gleich der Exzentrizität des Hilfsrotors (6) bezüglich des Hauptrotors (1) ist.
  6. Motor nach Anspruch 1, dadurch gekennzeichnet, daß der Fuß (40) der Pleuelstangen (4) am Hilfsrotor (6) mit Hilfe eines entsprechenden Zapfens (63) angelenkt ist.
  7. Motor nach Anspruch 1, dadurch gekennzeichnet, daß die Verteilungseinrichtungen (8) für das Fluid einen Körper (80), der am Gehäuse (5) befestigt ist, mit zwei Leitungen (81, 82) umfassen, von denen die eine zum Einführen und die andere (82) zum Evakuieren des Fluids dient und die mit einer entsprechenden seitlichen Öffnung (12) des Zylinders (11) in Verbindung treten.
  8. Motor nach Anspruch 1, dadurch gekennzeichnet, daß eine Umkehrung der Strömung des Betriebsfluids eine Umkehr der Bewegung der Motorwelle (2) bewirkt.
  9. Motor nach Anspruch 1, dadurch gekennzeichnet, daß er mit einem Fluid mit erhöhter Temperatur als thermischer Motor mit Außenverbrennung arbeitet.
  10. Motor nach Anspruch 1, dadurch gekennzeichnet, daß er mit einem Fluid mit erhöhtem Druck, das durch Verbrennung erzeugt wird, als thermischer Motor mit interner Verbrennung arbeitet.
  11. Motor nach Anspruch 1, dadurch gekennzeichnet, daß er bei Betätigung der Motorwelle (2) von außen her als Pumpe oder als Kompressor arbeitet.
EP90830147A 1989-04-07 1990-04-05 Fluidummaschine mit rotierender Bewegung Expired - Lifetime EP0391866B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8909394A IT1233499B (it) 1989-04-07 1989-04-07 Motore a fluido con moto rotativo
IT939489 1989-04-07

Publications (2)

Publication Number Publication Date
EP0391866A1 EP0391866A1 (de) 1990-10-10
EP0391866B1 true EP0391866B1 (de) 1992-11-19

Family

ID=11129479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90830147A Expired - Lifetime EP0391866B1 (de) 1989-04-07 1990-04-05 Fluidummaschine mit rotierender Bewegung

Country Status (7)

Country Link
EP (1) EP0391866B1 (de)
AT (1) ATE82617T1 (de)
DE (1) DE69000473T2 (de)
DK (1) DK0391866T3 (de)
ES (1) ES2037546T3 (de)
GR (1) GR3006901T3 (de)
IT (1) IT1233499B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7421986B2 (en) * 2005-09-16 2008-09-09 Leonid Yakhnis Rotary radial internal combustion piston engine
US20100186707A1 (en) * 2009-01-29 2010-07-29 Leonid Yakhnis High-torque rotary radial internal combustion piston engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE371137A (de) *
GB191320609A (en) * 1913-09-12 1914-09-14 John William Ellis Improvements in Fluid Pressure Engines having Revolving Cylinders.
US4166438A (en) * 1976-11-11 1979-09-04 Gottschalk Eldon W Machine with reciprocating pistons and rotating piston carrier

Also Published As

Publication number Publication date
ES2037546T3 (es) 1993-06-16
EP0391866A1 (de) 1990-10-10
IT1233499B (it) 1992-04-02
DK0391866T3 (da) 1993-03-29
DE69000473D1 (de) 1992-12-24
GR3006901T3 (de) 1993-06-30
IT8909394A0 (it) 1989-04-07
DE69000473T2 (de) 1993-05-06
ATE82617T1 (de) 1992-12-15

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