EP1355053B1 - Moteur rotatif à pistons - Google Patents

Moteur rotatif à pistons Download PDF

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Publication number
EP1355053B1
EP1355053B1 EP02008814A EP02008814A EP1355053B1 EP 1355053 B1 EP1355053 B1 EP 1355053B1 EP 02008814 A EP02008814 A EP 02008814A EP 02008814 A EP02008814 A EP 02008814A EP 1355053 B1 EP1355053 B1 EP 1355053B1
Authority
EP
European Patent Office
Prior art keywords
piston
housing
chamber
pistons
rotary piston
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
EP02008814A
Other languages
German (de)
English (en)
Other versions
EP1355053A1 (fr
Inventor
Herbert Dr. h.c. Hüttlin
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
Priority to AT02008814T priority Critical patent/ATE260404T1/de
Application filed by Individual filed Critical Individual
Priority to PT02008814T priority patent/PT1355053E/pt
Priority to ES02008814T priority patent/ES2213721T3/es
Priority to DK02008814T priority patent/DK1355053T3/da
Priority to DE50200261T priority patent/DE50200261D1/de
Priority to EP02008814A priority patent/EP1355053B1/fr
Priority to DE50310676T priority patent/DE50310676D1/de
Priority to EP03722509A priority patent/EP1499799B1/fr
Priority to AT03722509T priority patent/ATE412113T1/de
Priority to JP2003586467A priority patent/JP4237068B2/ja
Priority to ES03722509T priority patent/ES2314198T3/es
Priority to PCT/EP2003/004067 priority patent/WO2003089769A1/fr
Publication of EP1355053A1 publication Critical patent/EP1355053A1/fr
Application granted granted Critical
Publication of EP1355053B1 publication Critical patent/EP1355053B1/fr
Priority to US10/968,647 priority patent/US6986328B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/18—Other cylinders
    • F02F1/183—Oval or square cylinders
    • 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
    • F01B15/00—Reciprocating-piston machines or engines with movable cylinders other than provided for in group F01B13/00
    • F01B15/007—Reciprocating-piston machines or engines with movable cylinders other than provided for in group F01B13/00 having spinning cylinders, i.e. the cylinders rotating about their longitudinal 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
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/0032—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F01B3/0035—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
    • 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
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/0079—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having pistons with rotary and reciprocating motion, i.e. spinning pistons
    • 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
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/04—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis the piston motion being transmitted by curved surfaces
    • F01B3/045—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis the piston motion being transmitted by curved surfaces by two or more curved surfaces, e.g. for two or more pistons in one cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/28—Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders
    • F02B75/282—Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders the pistons having equal strokes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/18—Other cylinders
    • F02F1/186—Other cylinders for use in engines with two or more pistons reciprocating within same cylinder

Definitions

  • the invention relates to a rotary piston machine, with a Housing, which has a cylindrical housing inner wall with at least one piston arranged in the housing, which is one Can rotate around the longitudinal center axis of the housing, and thereby a control mechanism a reciprocating linear movement executes that serves at least one associated with the piston Periodically enlarge and reduce the chamber.
  • Such a rotary piston machine is preferably used as Internal combustion engine used.
  • Rotary piston machines generally belong to one type of Machines with one or more pistons in one housing revolve, the orbital movement of the piston or pistons usually another type of movement is superimposed on the one or the plurality of chambers associated with the piston or pistons, the usually the working chambers for a Carnot cycle form, periodically increasing and decreasing in volume.
  • a comparable rotary piston machine is from the Document US-A-5 351 657 known.
  • This rotary piston machine too are two in the middle in a cylindrical housing pistons arranged to the longitudinal center axis of the housing present, which is both a reciprocating linear motion parallel to the longitudinal central axis as well as an orbital movement execute the longitudinal central axis of the housing, the linear movement from the orbital movement by means of a suitable control mechanism is derived.
  • a rotary piston machine with four off-center to the longitudinal center axis or output shaft arranged pistons that next to the Orbital motion around the longitudinal central axis of the housing Execute linear motion is from the document FR-A-2 079 555 known.
  • a rotary piston machine known from DE 100 01 962 A1 are a plurality of pistons circumferentially about the central axis of the housing of the housing arranged distributed.
  • the pistons are radially movably mounted in the housing, the control mechanism the radial reciprocating stroke the piston derives from the orbital movement of the pistons.
  • the control mechanism of this known rotary piston machine has a stationary curve piece arranged approximately in the middle of the housing, the pistons each having at least one running member on their side facing the central axis of the housing, with which the pistons are guided along the control curve.
  • the control mechanism is also designed so that each adjacent one of the radially movable pistons performs an opposite stroke movement.
  • the pistons of the known rotary piston machine each have a toothing on their end faces leading and trailing in the direction of rotation of the pistons, and between the end faces of adjacent pistons there is a co-rotating shaft provided with toothing, which meshes with the toothing of the two adjacent end faces of the pistons Intervention stands.
  • a disadvantage of this known rotary piston machine can be seen in that the radially directed linear movement the piston alternately towards and against the action of the Centrifugal force and the effect of the centrifugal force takes place. This changes due to the radially directed lifting movement of the individual pistons constantly with respect to the mass distribution the longitudinal center axis of the housing and thus also the moment of inertia The piston.
  • the housing-center is fixed to the housing Curve piece, which serves to guide the pistons, due to the centrifugal forces and the mechanical coupling of neighboring pistons moving radially in opposite directions.
  • rotary piston machine is from the WO 98/13583 known in which the individual revolving in the housing Pistons are designed as swing pistons in the housing additionally seesaw-like when rocking Execute pivotal movements.
  • the control mechanism to control the rocking back and forth swivel movements the individual pistons are almost identical to that Control mechanism of the aforementioned known rotary piston machine with linearly radially movable pistons.
  • This swing piston machine can also be a disadvantage in the not optimal with respect to the longitudinal central axis of the housing Mass distribution or in the incomplete abolition of the resulting centrifugal forces of the individual pistons can be seen.
  • the invention has for its object a rotary piston machine to indicate at which it is possible that the working chambers for the Carnot cycle with a form can be acted upon, this form by the piston generated during their back and forth linear movement shall be.
  • this object is achieved by a rotary piston machine solved, with a housing that has a cylindrical housing inner wall has, with at least one in the housing arranged piston which about a longitudinal central axis of the housing can circulate, and thereby by a control mechanism reciprocating linear movement that serves periodically at least one first chamber associated with the piston enlarge and reduce, the linear movement of the at least one piston parallel to the longitudinal central axis of the housing takes place, the piston with respect to the longitudinal central axis of the housing is arranged off-center and in the Housing at least one more circumferential about the longitudinal central axis Piston is arranged, the at least one second chamber is assigned, which is opposite the first chamber, and the with respect to the longitudinal central axis of the housing on the first piston is arranged opposite side, wherein is arranged, the piston by a about the longitudinal central axis together with the piston revolving rotor, the axial is immobile, are guided in their linear movement, and the rotor one on the longitudinal central axis of the housing
  • the at least one piston rotating around the longitudinal central axis of the Housing directed parallel to the longitudinal center axis of the housing Linear motion.
  • at least a piston does not have a radially directed movement component.
  • Rotating piston machine designed radially small can be because the at least one piston has no radial movement or a movement with a radial movement component must execute.
  • the rotary piston machine according to the invention is particularly suitable as an internal combustion engine Combustion,. in which case the at least one chamber then serves as a work chamber for a Carnot cycle, in which are the work cycles of letting in, compressing, expanding and ejection take place.
  • the multiple pistons all run parallel to the longitudinal central axis linear movements of the housing when rotating in the housing, as with respect to preferred configurations will be described later.
  • the piston is in relation to the longitudinal central axis of the housing arranged off-center, and in the housing is at least one further pistons arranged around the central longitudinal axis, the with respect to the longitudinal central axis of the housing on the first piston facing away is arranged.
  • the rotary piston machine according to the invention is therefore as realized at least two-cylinder internal combustion engine, wherein by the opposite one with respect to the longitudinal central axis Arrangement of at least two pistons that are not necessarily on axially of the same height, with identical design the piston is axially symmetrical with respect to the longitudinal central axis Mass distribution can be achieved.
  • the on centrifugal forces acting on both pistons are raised when rotating mutually advantageously in the housing.
  • the two Pistons can be arranged so that the linear movement takes place in opposite directions to one another by means of the control mechanism, or the linear movement of the two pistons can be in the same direction his.
  • the at least one piston is one by one Longitudinal center axis together with the rotor rotating rotor, which is axially immobile, guided in its linear movement.
  • a rotor has the advantage that of the rotor the orbital movement of the at least one piston in the housing tapped via an output shaft connected to the rotor can be, for example. If the rotary piston machine according to the invention used as an internal combustion engine in a motor vehicle becomes. In this way, the rotational movement can be central to the Tapped longitudinal center axis of the housing of the rotary piston machine be without complex transmission or countershafts required are. In this way, with the invention Rotary piston machine a conventional reciprocating piston engine are reproduced, against which the invention Rotary piston machine, however, has the considerable advantage that due to the orbital movement of the at least one Piston over the rotor, which is axially immobile, the Rotational energy can be derived.
  • the rotor has one on the longitudinal central axis of the housing lying central section, which the first Chamber assigned to the piston from the chamber assigned to the further piston Chamber separates.
  • the rotor takes over without additional complex Construction measures also function as a separation of the at least two chambers, for example in the case of using the Rotary piston machine as an internal combustion engine working chambers for a Carnot cycle.
  • each end of the at least one piston Assigned to the chamber which shrink and enlarge in opposite directions, one chamber being the working chamber for a Carnot cycle and the other chamber as a pre-pressure chamber for generating a form can serve to the working chamber with to submit a form.
  • the Rotary piston machine according to the invention as an internal combustion engine with internal combustion a self-charging of the working chamber without external devices such as a compressor or one Turbocharger and without increasing the space of the rotary piston machine is achieved.
  • the pre-pressure chamber increases accordingly, can be sucked into the fresh air.
  • the Expand the working chamber after igniting the fuel / air mixture the one previously sucked into the pre-pressure chamber Fresh air is compressed accordingly and can then be under pressure after expelling the burned fuel / air mixture be pushed into the work chamber into this, whereby the fuel / air mixture with a higher one in the next cycle Pressure can be compressed.
  • the rotary piston machine according to the invention is suitable especially as an internal combustion engine for the Operation with diesel or even biodiesel fuels.
  • the further piston can be axially the same as the first piston Height may be arranged opposite.
  • At least one further piston rotating around the longitudinal central axis arranged in a straight line extension of the first Piston is arranged.
  • the advantage of this measure is that in the longitudinal direction of the housing several chambers can be realized, so that a multi-cylinder rotary piston machine can be realized.
  • the at least one Chamber through the space between facing end faces of the first piston and the further piston becomes.
  • the linear movement is of the first piston of the linear movement of the second piston is opposite, and the space between each other facing end faces of the first piston and the other Piston forms a common chamber.
  • This measure has the advantage that the rotary piston machine according to the invention in this way also with regard to the linear movement the at least two pistons are balanced, whereby Vibrations of the rotary piston machine in the longitudinal direction turned off.
  • At least four pistons in the housing are arranged, of which two each with respect to the longitudinal central axis of the housing axially opposite each other at the same height are arranged, and two in a straight line Extension to each other are arranged.
  • control mechanism comprises at least one arranged on the at least one first piston Guide member and at least one formed in the housing inner wall Control curve along which the guide link runs.
  • Such a control mechanism has compared to the control mechanism the known rotary piston machine the advantage that it is less prone to wear because it differs from that Control mechanism of the known rotary piston machine, the a curve piece arranged centrally in the housing and on the pistons provided running members does not include the effect of by the rotational movement of the pistons are subjected to centrifugal forces is.
  • At least a first one is on the guide member Piston preferably one radially from that of the housing inner wall protruding side provided axis on which one or two rollers are arranged, while the control cam is preferred as a guide groove formed in the inner wall of the housing is formed, in which the rollers engage and when rotating of the piston in the housing.
  • first piston with respect to the Longitudinal central axis of another piston at the same axial height is arranged opposite and the two pistons firmly together are connected
  • first piston and the other piston each have a guide member is arranged, with both guide members along the same Control curve run.
  • This measure has the advantage that that of the housing inner wall facing side of the at least one piston to the circular Inner contour of the housing inner wall is adapted, thereby a Sealing the piston in an advantageously simple manner circular section-shaped seals can be made. Preferably extends the side of the housing inner wall facing at least one piston over about 90 °.
  • the pre-pressure chamber with the working chamber via an outside of the housing Line connected, preferably in the valve, in particular controllable valve is arranged.
  • the controllable valve can be a solenoid valve, for example is opened when there is a maximum in the pre-pressure chamber Form was created.
  • a valve preferably an automatic valve
  • the advantage of this measure is that it is on the outside of the housing Connection line between the pre-pressure chamber and the working chamber can be dispensed with, as a result of which the rotary piston machine takes up less space.
  • the aforementioned automatic valve can be, for example, a flutter valve.
  • the rotary piston machine according to the invention can be used as an internal combustion engine with internal combustion or as a compressor be used.
  • Figures 1 to 8 is one with the general reference number 10 provided rotary piston machine according to a first embodiment shown.
  • the rotary piston machine 10 is used as an internal combustion engine used with internal combustion.
  • the rotary piston machine 10 has a housing 12 which has an essentially cylindrical symmetrical basic shape. At its longitudinal ends, the housing 12 is through a housing cover 14 and a housing cover 16 closed, however another division of the housing 12 is also considered can be, as can be seen for example from Fig. 6a).
  • the housing 12 has a cylindrical housing inner wall 18, which is circular in cross section.
  • a longitudinal central axis 20 forms the cylinder axis of the housing inner wall 18th
  • first piston 22 In the housing 12 there is at least a first piston 22 and in the embodiment shown, a second piston 24, which in the perspective representations only in FIG. 4
  • second piston 24 In the housing 12 there is at least a first piston 22 and in the embodiment shown, a second piston 24, which in the perspective representations only in FIG. 4
  • pistons 22 to 26 two pistons are each one Double pistons firmly connected, and this is the first piston 22 and third piston 24, which are a first double piston form, and the second piston 26 and the fourth piston 28, which form a second double piston.
  • the first piston 22 is with the third piston 24 via a first connector 30 firmly connected, and the third piston 26 is connected to the fourth piston 28 via a second connecting piece 32 connected.
  • the connectors 30 and 32 each provide one rigid connection between the pistons 22 and 24 or 26 and 28 forth.
  • the first piston 22 and the further pistons 24 to 28 run in the housing 12 together about the longitudinal central axis 20 according to a Arrow 34 around, so that the longitudinal central axis 20 also serves as the axis of rotation can be designated.
  • the four pistons 22 to 28 are each with respect to the longitudinal central axis 20 of the housing 12 arranged off-center, as from the cross-sectional representations in Figures 7a) to 7d).
  • the further second piston 24 and the further fourth piston 28 are the first piston 22 with respect to the longitudinal central axis 20 opposite, i.e. on the one facing away from the first piston 22 Side of the longitudinal central axis 20 is arranged.
  • the further one second piston 24 the first piston 22 axially at the same height arranged opposite, while the further fourth piston 28 arranged axially offset opposite the first piston 22 is.
  • the further third piston 26 is in the housing in straight extension to the first piston 22, i.e. is in relation to the longitudinal central axis 20 in the same Circumferential position like the first piston 22.
  • the second piston 24 and the fourth piston 28 in the circumferential direction with respect to the first piston 22 and the third piston 26 arranged offset by 180 °.
  • first piston 22 Since the first piston 22 is fixed with the further second piston 24 is connected, the first piston 22 and the second piston 24 rotating in the housing 12 in the same direction linear movements parallel to the longitudinal central axis 20. As well guide the further third piston 26 and the further fourth piston 28 due to their firm connection by means of the connecting piece 32 in the same direction when circulating in the housing 12 directional linear movements.
  • the four pistons 22 to 28 are in terms of their geometry and Dimensions identical to each other. Due to the in with respect to the longitudinal central axis 20 axisymmetric arrangement of the four pistons 22 to 28 compensate for each other when rotating the pistons 22 to 28 occurring about the longitudinal central axis 20 Centrifugal forces completely. They also compensate for each other the rotary piston machine 10 also during the linear movement the piston 22 to 28 occurring inertia because of the the first double pistons formed in opposite directions to the pistons 22 and 24 linear to the second double piston formed from pistons 26 and 28 moved in the housing 12.
  • the control mechanism 40 includes one disposed on the first piston Guide member 42 and one in the housing inner wall 18 formed cam 44, along which the guide member 42nd running.
  • the guide member 42 is fixedly connected to the first piston 22 and has a journal 46 and one on the journal 46 attached first roller 48 and a second roller 50 on.
  • the roller 48 has a smaller outer diameter than the roller 50.
  • the control cam 44 is in the form of a in the housing inner wall 18th trained guide groove 52 formed.
  • the guide groove 52 has a section 54 of smaller diameter and one Section 56 of larger inner diameter, accordingly the outer diameter of the roller 48 and the outer diameter the roller 50.
  • the control cam 44 in the form of the guide groove 52 extends completely around the longitudinal central axis 20 and represents a closed Control curve representing the linear motion of the pistons 22 to 28 from the orbital movement of the same about the longitudinal central axis 20 to derive a correspondingly curved shape on, which is about the shape of a bent by a diameter Has circle.
  • the pitch of the control curve 44 along the longitudinal central axis 20 determines the stroke of the piston 22.
  • the second piston 24 is, as is apparent from Fig. 6a), with a identical with the guide member 42 guide member equipped, arranged on the corresponding two rollers are, with the guide member 42 along the same control curve 44, i.e. in the same guide groove 52, runs.
  • the control mechanism 40 thus provides a common control mechanism for the double piston formed from pistons 22 and 24 represents.
  • rollers 48 and 50 and correspondingly the guide groove 52 is also conical his.
  • a corresponding control mechanism 58 is for the from the Pistons 26 and 28 formed further double pistons provided which differs from the control mechanism 40 only in that that a cam 60 with respect to cam 44 of the control mechanism 40 mirror-symmetrical with respect to the Cross-sectional central plane of the housing 12 is formed.
  • the pistons 22 to 28 are in their linear movement by a Rotor 62 guided, which is shown alone in Fig. 5 is.
  • the rotor 62 is generally cylindrical in shape the inner wall 18 of the housing 12 of the rotary piston machine 10 is adjusted.
  • the rotor 62 has two to accommodate the pistons 22 to 28 Trough-like offset by 180 ° with respect to the longitudinal central axis 20 Recesses 64 and 66 (see, for example, Fig. 8a)), from which only the recess 64 can be seen in FIG. 5.
  • the one another opposite walls of the trough-like recesses 64 and 66 are partially circular in cross section.
  • the rotor 62 has a sole or a middle section 68, which the recesses 64 and 66th separates from each other.
  • the middle section 68 there are also two Elongated holes 70 and 72 cut out through which the connecting pieces 30 and 32 (see FIG. 4) reach through.
  • the rotor 62 is circular when viewed in cross section, whereby the two recesses 64 and 66 with respect to about 90 ° the longitudinal central axis 20 extend in the circumferential direction. As well extends the central portion 68 of the rotor 62 at its broad ends about 90 ° or a quarter of the full Scope.
  • the middle section 68 of the axially immovable rotor 62, with which the pistons 22 to 28 revolve together is central on the longitudinal central axis 20 of the housing 12.
  • the end piece 80 can also be provided omit and the housing cover 16 over the shaft extension 76 to be closed. Via the end piece 78 and / or that End piece 80 can rotate the rotor 62 as rotational energy be tapped, i.e. the tail 78 and / or that End piece 80 can serve as an output shaft.
  • measures for example support rollers, can be carried out on the rotor 62 be provided to counter the rotor 62 with a large overall length Support lateral forces in the housing 12.
  • Each of the pistons 22-28 has, as follows, for the piston 22 is described, one facing the housing inner wall 18 Page 82 on the cross-section in the form of a pitch circle is formed so that each of the pistons 22 to 28 on the outside is adapted to the housing inner wall 18.
  • the page 82 extends over a circular angle of approximately 90 °.
  • a side 85 of each piston 22 to 28 facing away from side 82, that facing the longitudinal central axis 20 is also in the Cross section formed in the form of a partial circle, the Center of the circle spaced from the center of the circle which forms the side 82 of the pistons 22 to 28, respectively.
  • Each piston 22 is thus approximately almond-shaped in cross section or lenticular.
  • At least one chamber is assigned to each of the pistons 22 due to the reciprocating linear movement of the pistons 22 to 28 periodically reduced and enlarged in volume.
  • the first piston 22 has a first chamber on an end face 84 86 assigned.
  • the piston 22 is on one end face 84 opposite side 88 a second chamber 90 assigned.
  • the third piston 26 is on one end face 84 of the end 92 facing the first piston 22 in turn the chamber 86 assigned so that the chamber 86 two pistons 22nd and 26 is assigned together.
  • At one end facing away from 92 Face 94 is the piston 26 another chamber 96 assigned. Because of the opposite linear movement the pistons 22 and 26 decrease relative to each other the volumes of the chambers 90 and 96 when the volume of the Chamber 86 enlarged and vice versa.
  • pistons 24 and 28 have chambers 98, 100 and 102 associated with respect to chambers 86, 90 and 96 arranged offset by 180 ° with respect to the longitudinal central axis 20 are.
  • Chamber 86 and 98 are through the central portion 68 of the rotor 62 completely separated from each other.
  • Chamber 86 is from the chambers 90 and 96 by means of a seal 104 which holds the piston 22 against the housing inner wall 18 and against the middle section 68 of the rotor 62 seals out, and a seal 106, the piston 26 against the housing inner wall 18 and the central portion 68 of the rotor 62 seals out, completely separated.
  • the chamber 98 is from the chambers 100 and 102 via seals 108 and 110 to pistons 24 and 28, respectively completely separated.
  • the chambers 90 and 100 communicate via the elongated hole 70 communicate with each other, and also the chambers 96 and 102 over the slot 72 with each other.
  • chambers 86 and 98 serve as working chambers for a Carnot cycle
  • the chambers 90, 100 and 96, 102 serve as pre-pressure chambers for generating a pre-pressure with which the Working chambers 86 and 98 can be applied.
  • the chambers 90 and 100 are through an opening 104 in the housing 12 and a connecting line 106 with the Chambers 86 and 98 connected, depending on which of the chambers 86 or 98 just when the pistons 22 to 28 rotate face an inlet opening 108 about the longitudinal central axis 20.
  • a valve 110 is arranged in the inlet opening 108, that is designed as a controllable valve, in particular a solenoid valve, 112 is.
  • the chambers 96 and 102 protrude accordingly an opening 114 and a connecting line 116 with interposition of valve 110 with inlet opening 108 in Connection.
  • the chambers 86 and 98 serving as working chambers are in total a spark plug 118 for delivering ignition sparks and one Injection nozzle 120 for injecting a fuel, for example. Petrol, diesel or biodiesel.
  • the chambers 86 and 98 are in the housing another outlet 122 to expel the burned Fuel / air mixture assigned.
  • the chambers 96 and 102 serving as pre-pressure chambers are in accordance with FIGS. 8a) to d) also have a common suction opening 124 assigned, which also serve as pre-pressure chambers Chambers 90 and 100 a corresponding not shown Intake opening in the housing 12 is assigned.
  • FIG. 6a), 7a) and 8a) the rotary piston machine is in shown a first operating position, the operating position in Fig. 3 or Fig. 4 corresponds.
  • chamber 86 the fuel-air mixture is just over the spark plug 118, that is maximally compressed, ignited.
  • Chamber 98 became The fuel-air mixture that has just burned is completely expelled.
  • the chambers 96, 102 serving as pre-pressure chambers were through the suction opening 124, in which a corresponding valve, preferably an automatic valve, for example a flutter valve can be arranged completely filled with air.
  • the chambers 90 and 100 serving as pre-pressure chambers a corresponding intake opening completely filled with fresh air.
  • the pistons 22 to 28 clockwise around the longitudinal central axis 20 together with the Rotor 62 and have the operating position in Fig. 6b), 7b) and 8b) (see FIG. 1) rotated by approximately 45 °. That in the chamber 86 previously ignited fuel / air mixture is now expanding in the volume-increasing chamber 86, while in the Chamber 98 of the pre-pressure chambers 90, 100 and 96, 102, respectively decrease in volume and thereby the previously introduced Compress fresh air, fresh air is pressed in. As in Fig. 6b), the valve 110 is open to the off the chambers 90, 100 and 96, 102 serving as pre-pressure chambers admit pre-compressed fresh air into chamber 98. Since that maximum volume of the chambers 90, 96, 100, 102 together larger is than the maximum volume of chamber 98, one occurs (Pre) compression of the air forced into chamber 98 on.
  • the pistons 22 and 24 move according to one Arrow 126 parallel to the longitudinal central axis 22, and the pistons 26 and 28 move in the opposite direction according to one Arrow 128 parallel to the longitudinal central axis 20.
  • the longitudinal movement the piston 22, 24 or 26, 28 is controlled by the control mechanisms 40 or 58 mediated.
  • FIGS. 6c), 7c) and 8c) (cf. Fig. 2) reached operating position in which the chamber 98 has reached its maximum volume and with pre-compressed Fresh air is filled while in the drawing opposite chamber 86 not visible after complete Expand the previously ignited fuel / air mixture also occupies its largest volume. In contrast, own the chambers 90, 100 and 96, 102 now have their minimum volume.
  • pistons 22 through 28 until then a total rotation of 180 ° around the longitudinal central axis 20 were completed, and the four work cycles of Intake, compression, expansion and ejection once run through. Accordingly, at a full revolution the pistons 22 to 28 around 360 ° about the longitudinal central axis 20 two full work cycles completed.
  • the chambers 90 'and 100' assigned to the pistons 22 'and 24' which in turn act as pre-pressure chambers for loading the chambers 86 'and 98' with one generated in the chambers 90 'and 100' Form serve, and the chambers 90 'and 100' in turn Communicate with each other are not via the outside of the housing Lines connected to the chamber 86 'or 98', but directly via the pistons 22 'and 24'.
  • the pistons 22 'and 24' are hollow, and in the pistons 22 'and 24 'a valve 138 is arranged, which acts as an automatic Valve, preferably as a flap valve, is formed.
  • the chambers associated with the pistons 26 'and 28' are corresponding 96 'and 102', which also communicate with each other, directly with the chambers 86 'and 98' over in the pistons 26 'and 28' existing valves 140 connected to chambers 86 'and 98'.
  • valves 138, 140 in Fig. 9a) in their closed position are shown, with the pistons 22 'to 28' in their maximum position shifted towards the center of the housing 12 ' move, the valves 138 and 140 in Fig. 9b) are in their open position shown when the pistons 22 'to 28' in opposite directions move apart and the chambers 90 ', 100' and Reduce the volume of 96 'and 102'. That way the chamber 98 'for suction between the pistons 24 'and 28' with pre-compressed air from chambers 90 ', 100' as well as 96 'and 102'.
  • pistons 22 and 24 are double pistons while pistons 26 and 28 may be omitted. In this case however, the linear movement of the pistons 22 and 24 would not be mass balance.
  • piston 22 and the piston 28 may be provided while the pistons 24 and 26 would be omitted and corresponding transverse walls in the rotor 62 to limit the chambers 86 and 98 are provided.
  • Such Arrangement would in turn become a mass balanced configuration also with regard to the linear movement of the pistons 22 and 28 lead.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Reciprocating Pumps (AREA)
  • Rotary Pumps (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Toys (AREA)
  • Superconductive Dynamoelectric Machines (AREA)
  • Valve Device For Special Equipments (AREA)
  • Hydraulic Motors (AREA)
  • Supercharger (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Claims (13)

  1. Machine à piston de rotation avec un boítier (12) qui présente une paroi intérieure (18) cylindrique, avec au moins un piston (22, 26) placé dans le boítier (12), qui peut tourner autour d'un axe longitudinal médian (20) du boítier (12) et exécute alors, grâce à un mécanisme de commande (40, 58) un mouvement rectiligne de va et vient qui sert à agrandir et diminuer périodiquement au moins une première chambre (86) associée au piston (22, 26), le mouvement rectiligne d'au moins un piston (22, 26) s'effectuant parallèlement à l'axe longitudinal médian du boítier (12), le piston (22, 26) étant placé de façon excentrée par rapport à l'axe longitudinal médian (20) du boítier (12) et au moins un autre piston (24, 28) tournant autour de l'axe longitudinal médian (20) étant placé dans le boítier (12), auquel est associé au moins une deuxième chambre (98) qui est opposée à la première chambre (86), et qui est placé, par rapport à l'axe longitudinal médian (20) du boítier (12), du côté opposé au premier piston (22), les pistons (22-28) étant guidés dans leur mouvement rectiligne par un rotor (62) tournant en commun avec les pistons (22-28) autour de l'axe longitudinal médian (20) mais immobile axialement, et le rotor (62) présentant une section médiane (68) située sur l'axe longitudinal médian (20) du boítier (12) qui sépare la chambre (86) associée au premier piston (22, 26) de l'autre chambre (98) associée à l'autre piston (24, 28), et une troisième et une quatrième chambres (90, 96, 100, 102) reliées en communication mutuelle par des traversées dans la section centrale (68) étant associées au premier piston (22, 26) et au deuxième piston (24, 28), sur leur face frontale tournée vers la première ou la deuxième chambre (86, 98).
  2. Machine à piston de rotation selon la revendication 1, caractérisée en ce que l'autre piston (24) est placé à la même hauteur axiale à l'opposé du premier piston (22).
  3. Machine à piston de rotation selon la revendication 1, caractérisée en ce que l'autre piston (24) est relié fixement au premier piston (22).
  4. Machine à piston de rotation selon l'une des revendications précédentes, caractérisée en ce qu'au moins un autre piston (26) tournant autour de l'axe longitudinal médian (20) est placé dans le boítier, piston qui est placé dans le prolongement linéaire du premier piston (22).
  5. Machine à piston de rotation selon la revendication 4, la première chambre (86) au nombre d'au moins une étant formée par l'espace entre des faces frontales en vis-à-vis du premier piston (22) et de l'autre piston (26).
  6. Machine à piston de rotation selon l'une des revendications 1 à 5, caractérisée en ce que le déplacement rectiligne de l'autre piston (26) est dirigé en sens inverse du déplacement rectiligne du premier piston (22).
  7. Machine à piston de rotation selon l'une des revendications 1 à 6, caractérisée en ce qu'au moins quatre pistons (22 - 28) sont placés dans le boítier, dont deux pistons (22, 24 ; 26, 28) placés axialement à la même hauteur et opposés l'un à l'autre par rapport à l'axe longitudinal médian (20) du boítier (12), et deux pistons (22, 26 ; 24, 28) placés dans le prolongement rectiligne l'un de l'autre.
  8. Machine à piston de rotation selon l'une des revendications précédentes, caractérisée en ce que le mécanisme de commande (40, 58) comprend au moins un organe de guidage (42) placé sur le piston (22-28) au nombre d'au moins un et au moins une came de commande (44, 60) formée dans la paroi intérieure (18) du boítier, came le long de laquelle se déplace l'organe de guidage (42).
  9. Machine à piston de rotation selon l'une des revendications 2 à 8, caractérisée en ce qu'un organe de guidage (42) est placé sur le premier piston (22) et sur l'autre piston (24) opposée à la même hauteur axiale, les deux organes de guidage (42) se déplaçant le long de la même came de commande (44).
  10. Machine à piston de rotation selon l'une des revendications précédentes, caractérisée en ce qu'une des faces du piston (22-28) au nombre d'au moins un tournée vers la paroi intérieure (18) du boítier présente une section en forme d'arc de cercle, qui s'étend de préférence sur un angle d'environ 90°.
  11. Machine à piston de rotation selon l'une des revendications précédentes, caractérisée en ce que la première et la deuxième chambres (86, 98) servent de chambre de travail pour un processus à cycle de Carnot et la troisième et la quatrième chambres (90, 96, 100, 102) servent de chambres de pression d'admission pour produire une pression d'admission, afin d'exposer les chambres de travail (86, 98) à une pression d'admission.
  12. Machine à piston de rotation selon la revendication 11, caractérisée en ce que la chambre de pression d'alimentation est reliée à la chambre de travail par l'intermédiaire d'une conduite de liaison (106, 116) extérieure au boítier, dans laquelle est placée une vanne (110), en particulier une vanne pilotable (112).
  13. Machine à piston de rotation selon la revendication 11, caractérisée en ce que la chambre de pression d'alimentation est reliée à la chambre de travail directement à travers le piston (22-28), au moins une vanne (138, 140), de préférence une vanne automatique, étant placée dans le piston (22-28).
EP02008814A 2002-04-19 2002-04-19 Moteur rotatif à pistons Expired - Lifetime EP1355053B1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
PT02008814T PT1355053E (pt) 2002-04-19 2002-04-19 Motor rotativo de embolos
ES02008814T ES2213721T3 (es) 2002-04-19 2002-04-19 Maquina de embolos rotativos.
DK02008814T DK1355053T3 (da) 2002-04-19 2002-04-19 Rotationsstempelmotor
DE50200261T DE50200261D1 (de) 2002-04-19 2002-04-19 Rotationskolbenmaschine
EP02008814A EP1355053B1 (fr) 2002-04-19 2002-04-19 Moteur rotatif à pistons
AT02008814T ATE260404T1 (de) 2002-04-19 2002-04-19 Rotationskolbenmaschine
DE50310676T DE50310676D1 (de) 2002-04-19 2003-04-17 Rotationskolbenmaschine
EP03722509A EP1499799B1 (fr) 2002-04-19 2003-04-17 Machine a piston rotatif
AT03722509T ATE412113T1 (de) 2002-04-19 2003-04-17 Rotationskolbenmaschine
JP2003586467A JP4237068B2 (ja) 2002-04-19 2003-04-17 ロータリピストンマシン
ES03722509T ES2314198T3 (es) 2002-04-19 2003-04-17 Maquina de embolos rotativos.
PCT/EP2003/004067 WO2003089769A1 (fr) 2002-04-19 2003-04-17 Machine a piston rotatif
US10/968,647 US6986328B2 (en) 2002-04-19 2004-10-19 Rotary piston machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02008814A EP1355053B1 (fr) 2002-04-19 2002-04-19 Moteur rotatif à pistons

Publications (2)

Publication Number Publication Date
EP1355053A1 EP1355053A1 (fr) 2003-10-22
EP1355053B1 true EP1355053B1 (fr) 2004-02-25

Family

ID=28459500

Family Applications (2)

Application Number Title Priority Date Filing Date
EP02008814A Expired - Lifetime EP1355053B1 (fr) 2002-04-19 2002-04-19 Moteur rotatif à pistons
EP03722509A Expired - Lifetime EP1499799B1 (fr) 2002-04-19 2003-04-17 Machine a piston rotatif

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP03722509A Expired - Lifetime EP1499799B1 (fr) 2002-04-19 2003-04-17 Machine a piston rotatif

Country Status (9)

Country Link
US (1) US6986328B2 (fr)
EP (2) EP1355053B1 (fr)
JP (1) JP4237068B2 (fr)
AT (2) ATE260404T1 (fr)
DE (2) DE50200261D1 (fr)
DK (1) DK1355053T3 (fr)
ES (2) ES2213721T3 (fr)
PT (1) PT1355053E (fr)
WO (1) WO2003089769A1 (fr)

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US20050211418A1 (en) * 2002-11-01 2005-09-29 Cooligy, Inc. Method and apparatus for efficient vertical fluid delivery for cooling a heat producing device
ITSA20030001A1 (it) * 2003-01-07 2003-04-07 Capossela Davide Innovazione nel motore a pistoni contrapposti in un unico cilindro rotante.
DE102005026661A1 (de) * 2005-05-31 2006-12-07 Hüttlin, Herbert, Dr. h.c. Rotationskolbenmaschine
US7240645B2 (en) * 2005-10-28 2007-07-10 Reisser Heinz-Gustav A Internal combustion engine
DE102006046011B4 (de) * 2006-09-28 2008-07-10 Alois Tradler Druckkraftmaschine, insbesondere Brennkraftmaschine, mit einer Ringstruktur
EP2088283A1 (fr) * 2008-02-08 2009-08-12 Lorenzo Merayo Gonzalez Moteur à combustion interne rotatif alternatif
EP2138687B1 (fr) * 2008-06-25 2012-03-21 Griend Holding B.V. Système de commande avec élément de transmission d'énergie rotative
US9032917B1 (en) * 2011-04-21 2015-05-19 Mark McNitt Barrel cam rotating cylinder engine
NL2007988C2 (en) * 2011-12-16 2013-06-18 Griend Holding B V Cam follower with an angled axis of rotation.
NL2007987C2 (en) * 2011-12-16 2013-06-18 Griend Holding B V Rotary drive system having a cam follower with detachable wheel support.
US10458324B2 (en) * 2016-05-26 2019-10-29 Daniel J Edwards Rotary piston engine
JP2019214943A (ja) * 2018-06-11 2019-12-19 トヨタ自動車株式会社 内燃機関
JP2019214236A (ja) * 2018-06-11 2019-12-19 トヨタ自動車株式会社 ハイブリッド車両

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Also Published As

Publication number Publication date
DE50200261D1 (de) 2004-04-01
ES2314198T3 (es) 2009-03-16
ES2213721T3 (es) 2004-09-01
JP2005523400A (ja) 2005-08-04
EP1499799A1 (fr) 2005-01-26
ATE260404T1 (de) 2004-03-15
ATE412113T1 (de) 2008-11-15
DE50310676D1 (de) 2008-12-04
DK1355053T3 (da) 2004-03-29
US6986328B2 (en) 2006-01-17
US20050066917A1 (en) 2005-03-31
EP1499799B1 (fr) 2008-10-22
PT1355053E (pt) 2004-07-30
WO2003089769A1 (fr) 2003-10-30
EP1355053A1 (fr) 2003-10-22
JP4237068B2 (ja) 2009-03-11

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