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WO2007063569A1 - Machine volumetrique rotative a pales - Google Patents

Machine volumetrique rotative a pales Download PDF

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Publication number
WO2007063569A1
WO2007063569A1 PCT/IT2006/000799 IT2006000799W WO2007063569A1 WO 2007063569 A1 WO2007063569 A1 WO 2007063569A1 IT 2006000799 W IT2006000799 W IT 2006000799W WO 2007063569 A1 WO2007063569 A1 WO 2007063569A1
Authority
WO
WIPO (PCT)
Prior art keywords
machine
dislocator
stator
transmission shaft
cylinder
Prior art date
Application number
PCT/IT2006/000799
Other languages
English (en)
Other versions
WO2007063569B1 (fr
Inventor
Italo Contiero
Original Assignee
Italo Contiero
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 Italo Contiero filed Critical Italo Contiero
Priority to EP06821785A priority Critical patent/EP1991760A1/fr
Publication of WO2007063569A1 publication Critical patent/WO2007063569A1/fr
Publication of WO2007063569B1 publication Critical patent/WO2007063569B1/fr

Links

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
    • 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
    • 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
    • F01C1/344—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 inner member
    • F01C1/3441—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 inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F01C1/3442—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 inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
    • 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
    • F01C20/04—Control of, monitoring of, or safety arrangements for, machines or engines specially adapted for reversible machines or engines
    • 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
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08—Rotary pistons
    • F01C21/0809—Construction of vanes or vane holders
    • F01C21/0881—Construction of vanes or vane holders the vanes consisting of two or more parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F04C15/0069—Magnetic couplings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2250/00—Geometry
    • F04C2250/30—Geometry of the stator
    • F04C2250/301—Geometry of the stator compression chamber profile defined by a mathematical expression or by parameters

Definitions

  • the present invention regards a rotary volumetric machine with a dislocator as rotor.
  • Rotary volumetric machines comprising a stator, with a cavity in the shape of a right cylinder closed by two bases or "flanks" containing a rotor, with a shape of a right prism, with bases and n vertexes always in contact with the inner surface of the stator cylinder.
  • the rotor is connected to a transmission shaft supported by the flanks, it has n equal vertexes and n equal sides that can be articulated one another.
  • Each side of the rotor defines, with the stator cylinder and the flanks, one chamber of variable volume.
  • the dislocator is a right solid that moves diametrically crossing a transmission shaft; has parallel plane bases and two lateral parallel “sides” joined to equal cylindrical surfaces or “heads”. It rotates with bases and heads always in contact with the stator cylinder and slides in a rectilinear guide, crossing the transmission shaft diametrically.
  • the dislocator with the cylinder and the stator flanks, defines two chambers of variable volume, which revolve and dislocate simultaneously two volumes of a fluid, from an intake port to a exhaust port by revolving in unidirectional motion.
  • Rotary volumetric machines with a dislocator as rotor are particularly advantageous as engines, motors and operating machines, being simple to build and service.
  • rotoids Rn a mathematical property called invariance W is introduced. These rotoids are curves passing through cyclic points; rather, they are geometric loci of n vertexes of n polygons with n sides of length constant W.
  • Constants n, W are included in the transformation law.
  • the rotor is described properly as n-polygon with n articulated equal sides with punctiform vertexes always in contact with the trace of the stator cylinder projected on a section plane r orthogonal both to the cylinder and to rotation axis O of the transmission shaft.
  • the rotor vertexes, in section are circumferences or arcs of circumference of equal radius r, r > 0 , which form the n heads and can radius the n sides to one another.
  • the points of contact, between the rotor heads and the stator cylinder, belong to a curve different from the rotoid curve Rn , that curve envelops externally the rotor heads.
  • the cylindrical cavity of the stator is defined as the surface of the external envelope of the cylindrical surfaces of the vertexes of the rotor.
  • Stator cylinder in some cases, is made without difficulties by using only a rotoid curve. In other cases this cylinder cannot be easily built, and this fact causes great difficulties, especially if machine tools with CAD-CAM systems are used, that need of coordinates, to define the points of the stator cylinder, with adequate precision to realise a stator gas-tight with rotor.
  • the other purpose of this invention is to propose advantageous embodiments of a rotary volumetric machine with one or more dislocators as, for example, exothermic and endothermic machines, engines and motors in general, with operative cycles of work of new conception
  • Figs 1a, 1b and 1c show three consecutive steps of a geometric construction of a envelope curve which defines-a stator cylinder of a machine according to invention.
  • Fig. 2 shows a cross section of plane IV-IV of fig.4 of a machine according to invention.
  • Fig. 3 shows a prospect of a machine of the type shows in fig.2.
  • Fig. 4 shows one side of the machine in f ⁇ g.3.
  • Fig. 5 shows the machine of fig.2 with a dislocator of second type.
  • Fig. 6 shows the machine of fig.2 with a dislocator of third type.
  • Fig. 7 shows the machine of fig 2 with a dislocator of fourth type.
  • Fig. 8 shows the sequence of the phases of the operative cycle of an endothermic four-stroke engine, according to invention, referring to fig.5.
  • Fig. 9 shows the scheme of a machine and operative cycle of an embodiment as endothermic two-stroke engine.
  • FIG. 10 shows the section of a device inserted in one stator flank for reversing the rotation of a rotary machine, according to the invention.
  • Fig. 11 shows a partial front of a twin-parabolic-cylindrical solar collector for high temperatures with a double solar concentration and with an incorporated boiler to feed also an exothermic engine, according to the invention.
  • Fig. 12 shows an enlarged transversal section of the boiler incorporated in the solar collector of fig 11. *
  • the machine illustrated in figs 2, 3, and 4, comprises one stator 1 in which the transmission shaft 5, enlarged in the shape of a "drum" 3, has one rectilinear cavity of guide 4,crossing diametrically.
  • the guide 4 has an appropriate section for dislocator (2) sliding, gas-tight, orthogonal to the rotation axis O of the transmission shaft 5.
  • the axis of rotation of the dislocator coincides with the axis O, and is parallel to the generatrix right lines of the cylindrical heads of the dislocator 2 and the generatrix right line of the cylinder 10.
  • Plane T coincides with the section plane IV-IV of fig.4.
  • the two lateral plane parallel walls of dislocator (2), or better, the dislocator sides, are orthogonal to the plane r, joined with the heads, and, with the stator flanks 22,23 fig.4, delimitate in the stator cylinderiO two chambers 66, 68.
  • the intake port 30 and exhaust port 28 are in correspondence with the heads of the dislocator where chambers 66 and 68 are defined so that a maximal or a useful difference of volume is, according to embodiment.
  • the flanks 22,23, orthogonal to axis O support transmission shaft 5 and have internal plane surfaces in contact with dislocator bases.
  • the trace of stator cylinder externally enveloping dislocator heads rotating round axis O is the curve 10.
  • stator cylinder 10 On reference plane r generatrix of stator cylinder 10 coincides with generatrix of dislocator heads and has one trace coinciding in point L (x, y) of curve 10.
  • Curve 12 of fig.1b, is the geometrical locus of points Qi ,Q 3 , respectively defined by the moduli and anomalies: g(, ⁇ ), ⁇ ; g ( ⁇ + ⁇ ), ⁇ + ⁇ O ⁇ ⁇ ⁇ 2 ⁇ .
  • Point Qi of polar coordinates g( ⁇ ), ⁇ belongs to the rotoid curve 12, because the two triangles F 1 OT and QiOT 1 are similar, hence following equalities are valid:
  • Fig.1c shows, geometric generation of a curve 10 enveloping dislocator heads of radius r centred in points Q (g, ⁇ ) of a rotoid curve 12 in broken line.
  • the motion of the dislocator 2, on reference plane r, is associated to the motion of the segment QiQ 3 , referring to a system of orthogonal Cartesians axes X 1 Y with origin in O .
  • the motion of this segment is rigid and plane than Eulero's theorem is valid: translation of segment points and all those rigidly connected to it, with respect to its instantaneous rotation centre I, at every instant is of rotating or translating type.
  • the centre I (v, 2) is the intersection point between the right line s', fig.1c, perpendicular to the trajectory 13 of the centre C of the dislocator, and the . right line t orthogonal to the right line f in pole O.
  • coordinates v, 2 of rotation centre I are defined by solving the equation system of the right lines s' and t . .
  • Curve 13 of the dislocator centre C is defined by using the property of invariance W of the equation (2), since
  • Equation (3) defines the trajectory of dislocator centre C (p, S) .
  • S is the constant area of a family of quadrilateral polygons Q 1 CbQsCU that, for any ⁇ , has diagonals of equal length W orthogonal to one another in pole
  • Curve 13 defined by the equation (3), will be here called “pearl” figs 1b, 1c and 2.
  • pearl In Cartesian coordinates equation (3) is:
  • pearl curve is included in the half plane 0 ⁇ y ⁇ We/2R , and it is formed by two coinciding loops: in first loop radius p ( ⁇ ) is positive and in the second negative.
  • a family of circumferences of radius r, centred in points Q Q, k), for any value of the anomaly ⁇ has one right line IQ intersecting one of these circumferences in one point L external to the rotoid curve 12, fig.1c.
  • one point L (x, y) of curve 10 is defined on reference plane r.
  • the coordinates x, y allow to programme a machine tool CAD CAM type in order to draw and build the cylinders inner the stators of rotary volumetric machines, according to invention.
  • Fig 2 shows one machine, according to the invention, sectioned by plane IV-IV orthogonal to axis O as shown in fig. 4.
  • a first embodiment of dislocator 2 is one right solid symmetric to its three median planes orthogonal to one another; it has two. equal cylindrical heads, and slides inside drum 3 coaxial to the transmission shaft 5.
  • Drum 3 can work as a flywheel.
  • the head Qi of dislocator and stator cavity have one common generatrix, whose trace, on section plane T , is point L (x,y).
  • Fig. 3 shows a front view of the machine of fig. 4.
  • Fig. 4 shows a lateral view of the machine of fig. 3 and the trace of section plane IV-IV orthogonal to axis O of transmission shaft 5.
  • Fig. 5 shows a second embodiment of dislocator 2 made of two parts 2A and 2B, which can move parallel to each other.
  • the two equal parts 2A and 2B are symmetrically inserted in cavity 4 with respect both to the heads and the contact surface Q 1 Q3 .
  • the asymmetry of the mass of each part, with respect to the medial point C of assembly, can be compensated by appropriate balancing holes, not indicated in the drawings.
  • Each of the two parts 2A, 2B have one cylindrical head, and slides parallel close to each other along the surface of contact Q1Q3 .
  • dislocator 2 with the two parts 2A and 2B reciprocally sliding, has a good contact with the stator cylinder, and automatically, compensate its variations of length due to heads and stator cylinder 10 wearing.
  • a hole with an elastic organ is, as for example a spring 21, fig.5, which radial pushes the two heads of dislocator towards stator cylinder, to improve contact, gas-tight, between dislocator and stator specially at starting.
  • a sheet 20 S shaped interposed between 2A and 2B, wraps with its extreme parts the dislocator heads, it protects dislocator heads from wear.
  • the sheet touches stator cylinder 10 and the stator flanks 22, 23.
  • a possible centripetal force, of the sheet 20 against the two dislocator parts 2A, 2B, can be compensated by the centrifugal force of the inner elastic organ 21 which contrasts action of the same sheet. In this way the sheet 20 maintains, practically, a constant contact with the lateral surface of the stator cylinder 10.
  • Fig.6 shows a section of a machine with an embodiment of third type of dislocator 2.
  • This dislocator consists of two equal parts 16,16' which, intersecting each other, move in parallel along one rectilinear guide 4 diametrically to drum 3.
  • Dislocator, with parts 16,16', at every extremity has at least two contact lines with the cylindrical surface 10 of stator 1.
  • Fig 7 shows, a section, of a machine with an embodiment of rotor of fourth type.
  • the rotor consists, at least, of two equal dislocators 18,18' that run, in two diametric guides, intersecting each other in flywheel drum 3; these dislocators have rotation axes coinciding with axis O of transmission shaft 5 and have, at least, four lines of contact with the cylindrical surface «l 0 of stator 1.
  • stator cylinder 10 In the case of dislocators 18,18' orthogonal to each other, four chambers of variable volumes are defined in stator cylinder 10. In the case of more than two dislocators, chambers will be more than four.
  • dislocator heads are equal with mobile right cylinders 42 partly out of extreme rectilinear gas-tight cavities (fig.6); it can be also mobile right segments 44 partly out of extreme gas-tight rectilinear guide cavities (fig.7).
  • the rotary volumetric machine can operate as endothermic engine with chambers dislocating the working fluid in rotation in only one way, according to new operative cycles of working.
  • the succeeding angular positions ⁇ of the dislocator in the stator cylinder are. referred to pole O, axis X and the centres A, S of the intake port 30 and exhaust port 28.
  • a "ram effect" may take place within a range of frequency of port valves 30 and 28 to increase the pressure of a fluid in entrance and / or to increase discharge of exhaust gases.
  • Temperature, pressure and speed of exhaust gases of the machines according to invention can be used to activate pumps, compressors, exothermic engines and other machines also of compound type that can be embodiments of rotary volumetric machines, according to the invention, coaxial type or anyway connected to a common transmission shaft.
  • the gas operative phases refer to chamber 66 of a four-stroke engine, according to the invention, in the hypothesis of a dislocator 2 regular rotating.
  • Fig. 8 shows the contour of cams 24, 26 that control valves of ports 28, 30.
  • contours of the two cams in fig.8 represent polar diagrams of movement of valves that control the intake ports and the exhaust ports.
  • Valves can be controlled by mechanic, electric mechanisms or other means with programmed movements likewise ripple of polar diagrams 24, 26.
  • valves can be controlled or of automatic type.
  • ignition in schemes of endothermic engines ignition, indicated by a lightning symbol, can be by means of one electric arc, one injection of compressed fuel into a compressed comburent, by contact with a heated part of the combustion chamber or also by one spontaneous combustion. In any case, in the machine shown in fig.5, ignition takes place at the instant corresponding to a point, of the combustion chamber, more useful for an optimal combustion and expansion of mixture in combustion.
  • Endothermic engines have in drum 3 laterally to the sliding guide 4 of dislocator 2, useful store chambers 72 figs.5, 6, 7, and 9 for combustible mixture, the ignition and combustion of which give out gases with a propeller thrust to increase rotation of transmission shaft 5.
  • the jetting of gases, out of store chamber 72 generates useful turbulences in combustion chamber during power stroke, improves combustion, increases speed of the front of combustion, and reduces unburnt in exhaust gases.
  • the volume and shape of the combustion chamber can be optimised.
  • the ignition of mixture advances the instant of minimum volume in combustion chamber.
  • the choice of this instant depends on the shape of combustion chamber and on the qualities of the fuel.
  • a "ram effect" can be both by delaying or anticipating opening and closing of valves in exhaust and intake ports, and appropriately conforming intake and exhaust pipes.
  • dislocator 2 normally rotating.
  • the dislocator has adequate thickness to control exhaust port 54, and intake port 56.
  • the intake and exhaust ports can be in one or both stator flanks 22 and 23, fig.4.
  • FIG. 7 is a cross-section of one embodiment as two-stroke engine, according to invention, with two equal dislocators 18, 18' intersecting each other in a drum 3 with two store chambers 72.
  • Fuel in the combustion chamber can be injected at high pressure and burn by compression.
  • the injection fuel can be different from admission fuel.
  • the using of two different fuels can improve combustion and reduce pollution. These two fuels can have low calorific value.
  • the intake port can be controlled by unidirectional automatic valves.
  • dislocator works as a slide obturator of exhaust and intake ports 54, 56 chambers 66 and 68 are always separate fig. 9.
  • the link of the transmission shaft 5 with drum 3 and dislocator 2, of the machines according to invention can be of magnetic type.
  • the magnetic field acts also as automatic clutch.
  • stator flank 22 of square type and in enlarged form is shown in fig. 10, which represents a reverse device sectioned by the plane of axes X , of cylinder 32, and Y , of valve 46.
  • Cavity 32 has one closed extremity, and the other open, one lever 34 is hinged to support 36 fixed to flank 22.
  • Lever 34 moves cylindrical valve of distribution 38 in cylindrical cavity 32 gases tight.
  • Channels 24 and 26 can be extended outside flank 22 to be connected to external header.
  • Fig.10 shows, inside the sliding valve 38, a longitudinal cylindrical hole 40 that forks in two radial holes 42 and 44 in connection with lateral surface of the slide valve 38. Between the radial holes 42 and 44 there is a distance, so that, to an extreme position, of the slide valve 38, the radial hole 42 faces hole 24 and the radial hole 44 faces a needle valve 46, which is connected by the feeding channel 48 to a fluid in pressure. In the other extreme position, instead, the radial hole 42 faces the needle valve 46 and the radial hole 44 faces channel 26.
  • valve 46 hole 44, longitudinal hole 40, radial hole 42, hole 24, port 28, in to stator cavity 6.
  • Position axial, of conical needle of valve 46, can control flux of working fluid.
  • stator cavity communicates with the exterior through port 30, hole 25 and the cylinder 32.
  • stator cavity 6 When lever 24 is in the other extreme position of distributor valve 38, the fluid in pressure flows from hole 48, through: valve 46, radial hole 42, longitudinal hole 40,radial hole 44, hole 26 and port 30, enter stator cavity 6. In this position, the stator cavity is connected with exterior through port 28, channel 24 and cylindrical cavity 32.
  • the machine can be an exothermic engine; as the embodiments shown in figs 2, 5 and 6, which can be efficiently fed also with vapours or fluids, also superheated as for example by means of a new solar collector with twin parabolic cylindrical surfaces to concentrate solar radiations.
  • Fig.11 shows this solar collector, it consists of a frame 49 that supports a boiler 60 with, at two sides, parabolic cylindrical mirrors 50, 5O',which are symmetric to the longitudinal axis 54 of the frame 49 that can revolve together with all the supported parts. At least one pipe bundle of boiler 60 is parallel to frame axis 54.
  • Frame is supported by trunnions with longitudinal axis 54, and hinged to riser/s 52, it can revolve and orientate to a convenient direction.
  • Parabolic surfaces 50, 50' reflect radiations on respective focal axis 56 that coincides with one of the focal axes of a small elliptical mirror 58 which has the second focal axis, inside the boiler 60, coinciding with one of its tubular element 62 which has longitudinal axis 54 fig.12.
  • the boiler thermically insulated from exterior, has inner reflecting surfaces bent to concentrate thermal radiations on element 62 to superheat vapours.
  • Covering of the boiler 60 is provided of two longitudinal windows, preferably placed on sides 64, that have, transparent sheets or semitransparent thermal insulate sheets. These sheets cart be lentiform to direct and concentrate solar radiation from elliptic mirror 58 on tubular element 62. Vapour, in element 62 of boiler can be superheated to feed an exothermic engine, as for example, of the type shown in figs.2, 3, 4, 5 and 6.
  • the parabolic collector for an optimal reception of solar radiations, can be automatically orientated by means of known active or passive directional systems.
  • This solar collector picks up and concentrates a largest quantity of solar energy to heat a fluid at high temperature and to transform, the thermal energy concentrated, into mechanic energy or any other useful types of energies.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Rotary Pumps (AREA)

Abstract

L’invention concerne une machine volumétrique rotative, comportant un arbre de transmission (5) couplé à un rotor constitué au moins d’un élément dislocateur (2) coulissant dans l’arbre de transmission (5) à l’intérieur d’un guide diamétral rectiligne (4) étanche aux gaz, l’élément dislocateur (2) comportant des bases et des têtes au contact d’un cylindre droit (10) contenu dans un stator (1) et définissant au moins deux chambres (66, 68) dans le cylindre (10). La trace de la surface latérale du cylindre (10) sur un plan de coupe T orthogonal au cylindre (10) et à l’axe de rotation O de l’arbre de transmission du rotor constitue une simple courbe plane fermée (10) dont les points L (x, y) sont définis en coordonnées cartésiennes x, y par les équations x = j + r cos (β) et y = k + r sin (β) rapportées à un système d’axes cartésiens orthogonaux X, Yl ayant pour origine la trace de l’axe de rotation O, et où j = g (θ) cos (θ) et k = g (S) sin (θ) représentent les coordonnées cartésiennes définissant une rotoïde Rn = 2.
PCT/IT2006/000799 2005-12-01 2006-11-16 Machine volumetrique rotative a pales WO2007063569A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06821785A EP1991760A1 (fr) 2005-12-01 2006-11-16 Machine volumetrique rotative a pales

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVE2005A000058 2005-12-01
ITVE20050058 ITVE20050058A1 (it) 2005-12-01 2005-12-01 Macchina volumetrica rotativa con rotore a dislocatore.-

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WO2007063569A1 true WO2007063569A1 (fr) 2007-06-07
WO2007063569B1 WO2007063569B1 (fr) 2007-07-19

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Country Link
EP (1) EP1991760A1 (fr)
IT (1) ITVE20050058A1 (fr)
WO (1) WO2007063569A1 (fr)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE169895C (fr) *
US1442198A (en) * 1914-06-24 1923-01-16 Arthur Kitson Rotary pump, engine, or meter
FR762483A (fr) * 1933-01-05 1934-04-12 Dispositif d'entraînement magnétique entre un organe récepteur et sa commande mécanique, plus particulièrement applicable aux pompes, compresseurs et autres appareils similaires
FR789091A (fr) * 1934-07-24 1935-10-22 Pompe ou moteur à fluide
DE691511C (de) * 1937-09-08 1940-05-29 Rudolf Roemer Kapselpumpe oder -geblaese
US3499600A (en) * 1968-03-21 1970-03-10 Whirlpool Co Rotary compressor
DE3906823A1 (de) * 1988-12-08 1990-07-05 Barmag Barmer Maschf Fluegelzellen-vakuumpumpe
JPH02283888A (ja) * 1989-04-24 1990-11-21 Katsumi Kaneda 流体回転機
JPH03151523A (ja) * 1989-11-08 1991-06-27 Jiro Yoshida 回転機械
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WO1998003794A1 (fr) * 1996-07-19 1998-01-29 Adorjan Ferenc Ensemble rotatif
US6236897B1 (en) * 1995-07-27 2001-05-22 Dae Sung Lee Calculation and precision processing of cardiocle and expanded cardioid casing curved surfaces for eccentric rotor vane pumps

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WO1998003794A1 (fr) * 1996-07-19 1998-01-29 Adorjan Ferenc Ensemble rotatif

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ITVE20050058A1 (it) 2007-06-02

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