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EP4571047A1 - Machine rotative - Google Patents

Machine rotative Download PDF

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Publication number
EP4571047A1
EP4571047A1 EP23216134.9A EP23216134A EP4571047A1 EP 4571047 A1 EP4571047 A1 EP 4571047A1 EP 23216134 A EP23216134 A EP 23216134A EP 4571047 A1 EP4571047 A1 EP 4571047A1
Authority
EP
European Patent Office
Prior art keywords
joiner
rotor
swinger
rotary machine
axis
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.)
Pending
Application number
EP23216134.9A
Other languages
German (de)
English (en)
Inventor
Wilhelmus Theodorus Clemens Bekking
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.)
Be Simplex BV
Original Assignee
Be Simplex BV
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 Be Simplex BV filed Critical Be Simplex BV
Priority to EP23216134.9A priority Critical patent/EP4571047A1/fr
Priority to PCT/EP2024/084390 priority patent/WO2025124979A1/fr
Publication of EP4571047A1 publication Critical patent/EP4571047A1/fr
Pending 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
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C3/00—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members
    • F01C3/06—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged otherwise than at an angle of 90 degrees
    • 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
    • F01C3/00—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members
    • F01C3/06—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged otherwise than at an angle of 90 degrees
    • F01C3/08—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged otherwise than at an angle of 90 degrees of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F01C3/085—Rotary-piston machines or engines with non-parallel axes of movement of co-operating members the axes being arranged otherwise than at an angle of 90 degrees of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing the axes of cooperating members being on the same plane
    • 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
    • F01C9/00—Oscillating-piston machines or engines
    • F01C9/005—Oscillating-piston machines or engines the piston oscillating in the space, e.g. around a fixed point

Definitions

  • the present invention relates to a rotary machine, in particular a rotary machine for use in power generation and/or pumping applications.
  • a rotary machine for compression and decompression comprising a disc-shaped rotor having a first rotation axis at right angles to the plane of the rotor and situated in a plane of orientation and a disc-shaped swing element having a second rotation axis. In the orientation plane, the second rotation axis makes an angle with the first rotation axis.
  • a spherical housing surrounds the rotor and the swing element and in combination form four (de)compression chambers.
  • a connecting body positions the rotor and the swing element in the housing.
  • the rotary machine further comprises a power drive and a mechanical connection delivering power to or taking off power from the rotary machine.
  • Prior art rotary machines of the type described above are prone to leakage and pressure loss by the four (de)compression chambers due to complex engagement between the disc-shaped swing element and the spherical housing. Furthermore, adequate cooling of the rotary machine remains a challenge because of geometric and sealing complexities of the spherical housing.
  • a rotary machine of the type described above comprising a primary housing enclosing a rotor mounted in the primary housing, wherein the rotor is rotatable around a rotor axis having a fixed orientation with respect to the primary housing, and wherein the rotor comprises a secondary housing providing a compression chamber.
  • the rotary machine further comprises a planar shaped joiner arranged in the compression chamber and wherein the joiner partitions the compression chamber into four subchambers for (de)compression.
  • the joiner comprises two opposing joiner ends that extend through the secondary housing, and wherein each joiner end of the two opposing joiner ends is rotatably mounted to the rotor, and wherein the joiner is rotatable around a joiner axis that extends through the two opposing joiner ends, and wherein the joiner axis is orthogonal to and rotatable around the rotor axis in unison with the rotor and the joiner.
  • the rotary machine further comprises a swinger bracket arrangement which is movably arranged in the primary housing and extends around the secondary housing spaced apart therefrom, and wherein the swinger bracket arrangement is in engagement with the two opposing joiner ends and is rotatable around the joiner axis in unison with the joiner.
  • a swinger guide arrangement is mounted to the primary housing and wherein the swinger bracket arrangement is in engagement with the swinger guide arrangement, wherein the swinger guide arrangement extends along a swing axis at a swing angle ( ⁇ ) between 0° and 90° with respect to the rotor axis, and wherein the swing axis has a fixed orientation with respect the primary housing.
  • the compression chamber rotates in unison with the planar shaped joiner around the rotor axis and, at the same time, the swinger bracket arrangement engages the swinger guide arrangement for imposing oscillatory rotation of the joiner around the joiner axis.
  • the swinger bracket arrangement rotates in oscillatory manner in unison with the joiner.
  • there is a single degree of freedom of the joiner with respect to the compression chamber That is, the joiner merely rotates in oscillatory manner in the compression chamber as the joiner and compression chamber simultaneously rotate around the rotor axis.
  • the compression chamber may be a spherical chamber, and wherein the joiner comprises a circular edge portion in congruent engagement with an inner surface of the spherical compression chamber.
  • the compression chamber may be a cylindrical chamber extending along the joiner axis X, and wherein the joiner comprises a straight edge portion in congruent engagement with an inner surface of the cylindrical compression chamber.
  • Figure 1 depicts a rotary machine 1 of the present invention and in particular an external view of the primary housing 2 of the rotary machine 1.
  • Figure 2 depicts a three-dimensional internal view of the rotary machine 1 of which a part of the primary housing 2 is removed, thereby showing an internally arranged rotor 3 comprising a secondary housing 4, and a swinger bracket arrangement 7 extending or spanning around the secondary housing 4.
  • Figure 1 shows an embodiment wherein the primary housing 2 comprises two primary housing parts 2a, 2b stacked together to form an enclosure for the rotor 3 and swinger bracket arrangement 7.
  • Figure 2 shows an embodiment wherein one of the two primary housing parts 2a, e.g. an upper part, is removed, thereby revealing the rotor 3 and swinger bracket arrangement 7.
  • FIG 3 depicting a three-dimensional view of the rotor 3, the planar shaped joiner 6 arranged in the secondary housing 4, and the swinger bracket arrangement 7. Note that in Figure 3 a top part 4a of the secondary housing 4 has been removed along a circumferential line "C" as depicted in Figure 2 to allow the planar shaped joiner 6 to be visible inside the compression chamber 5.
  • the rotor 3 is rotatably mounted, e.g. journalled for rotation, in the primary housing 2 around a rotor axis Y, wherein the rotor axis Y has a fixed orientation with respect to the primary housing 2. That is, the only degree of freedom of the rotor 3 is the depicted rotational movement "ry" around the rotor axis Y when the rotary machine 1 is in use.
  • the rotor 3 comprises a secondary housing 4 which provides a compression chamber 5 as depicted in Figure 3 .
  • this compression chamber 5 there is arranged a planar shaped joiner 6 that partitions the compression chamber 5 into four subchambers for (de)compression. Please note that the four subchambers are not explicitly shown.
  • both the primary housing 2 and the rotor 3 are provided with one or more first and second fluid ports P1, P2, respectively, for fluid communication with the four subchambers. Details of the one or more first and second fluid ports P1, P2 will not be further discussed in the present disclosure as they are not particularly relevant for understanding for the present invention.
  • planar shaped joiner 6 is shown in Figure 4 , in which the secondary housing 4 is removed to provide a three-dimensional view of the rotor 3, the planar shaped joiner 6 and the swinger bracket arrangement 7.
  • the joiner 6 comprises two opposing joiner ends 6a, 6b each of which extends through the secondary housing 4. Also, each joiner end of the two opposing joiner ends 6a, 6b is rotatably mounted, e.g. journalled for rotation, to the rotor 3.
  • the joiner 6 is rotatable around a joiner axis X that extends through the two opposing joiner ends 6a, 6b, and wherein the joiner axis X is orthogonal to and rotatable around the rotor axis Y in unison with the rotor 3 and the joiner 6.
  • joiner axis X indicates a relative rotational degree of freedom of the joiner 6 with respect to the rotor 3.
  • the rotational movement "rx" indicates rotation of the joiner 6 around the joiner axis X when the rotary machine 1 is in use.
  • the rotary machine 1 further comprises a swinger bracket arrangement 7 movably arranged in the primary housing 2 and extending or spanning around the secondary housing 4 spaced apart therefrom. From Figure 4 it can be deduced that the swinger bracket arrangement 7 is in engagement with the two opposing joiner ends 6a, 6b. In particular, the joiner 6 and the swinger bracket arrangement 7 are rotatable in unison around the joiner axis X.
  • a swinger guide arrangement 8 is mounted to the primary housing 2 and the swinger bracket arrangement 7 is in engagement with the swinger guide arrangement 8.
  • the swinger guide arrangement 8 extends along a swing axis S at a swing angle ⁇ between 0° and 90° with respect to the rotor axis Y.
  • the swing axis S has a fixed orientation with respect the primary housing 2, so the swing axis S may be viewed as a fixed axis with respect to the primary housing 2.
  • the rotor 3 is rotatable around the fixed rotor axis Y.
  • the planar shaped joiner 6 and the swinger bracket arrangement 7 rotate around the joiner axis X relative hereto.
  • the joiner 6 and the swinger bracket arrangement 7 exhibit compound movement comprising rotation around the rotor axis Y in unison with the rotor 3 as well as rotation around the joiner axis X which also rotates in unison with the rotor 3.
  • the swinger guide arrangement 8 imposes rotation of the swinger bracket arrangement 7 around the joiner axis X, such that the joiner 6 and the swinger bracket arrangement 7 rotate in oscillatory fashion around the joiner axis X when rotating around the rotor axis Y in unison with the rotor 3.
  • the swinger guide arrangement 8 as depicted extends along the swing axis S and as such maintains its orientation with respect to the primary housing 2.
  • the swing angle ⁇ determines an angle of oscillatory rotation of the joiner 6 and the swinger bracket arrangement 7 around the joiner axis X with respect to the rotor axis Y.
  • the compression chamber 5 rotates in unison with the planar shaped joiner 6 around the rotor axis Y as indicated by the rotational movement "ry".
  • the swinger bracket arrangement 7 engages with the swinger guide arrangement 8 to impose oscillatory rotation of the joiner 6 around the joiner axis X as indicated by the oscillatory movement "rx". Therefore, there is a single degree of freedom of the joiner 6 relative to the compression chamber 5, thereby allowing for improved reliability of sealing engagement between the joiner 6 and the compression chamber 5.
  • the intermediate chamber 5b may be formed in part by the rotor 3 external to the secondary housing 4 and by the primary housing 2. That is, the primary housing 2 and the rotor 3 in combination may enclose or define an intermediate chamber 5b which is external to the secondary housing 4.
  • the intermediate chamber 5b is configured to provide sufficient space to allow oscillatory movement of the swinger bracket arrangement 7 around the secondary housing 4.
  • movement of the swinger bracket arrangement 7 around the secondary housing 4 may be utilized for moving the cooling medium through the intermediate chamber 5b to improve cooling of the secondary housing 4.
  • the intermediate chamber 5b can be kept at or close to atmospheric pressures, thereby greatly reducing the need for pressure tight sealing requirements of the primary housing 2. This, in turn, simplifies the design of fluid ports, channels and the like through the primary housing 2 for cooling the secondary housing 4.
  • the swinger bracket arrangement 7 comprises a circular outer circumference 9 provided with a guide slot 10, i.e. an outward facing guide slot 10, that extends along the circular outer circumference 9, and wherein the swinger guide arrangement 8 comprises a guide member 11 that moveably extends through the guide slot 10.
  • the swinger bracket arrangement 7 is guided or forced to rotate/oscillate around the joiner axis X over the swing angle ⁇ by the guide member 11, wherein the guide member 11 extends along the fixed swing axis S.
  • the joiner 6 is forced by the swinger bracket arrangement 7 to rotate/oscillate in unison around the joiner axis X for (de)compression of the four subchambers inside the compression chamber 5.
  • the swinger bracket arrangement 7 spans around the secondary housing 4 and is affixed the two opposing joiner ends 6a, 6b of the joiner 6.
  • the guide member 11 comprises a roller member or slider member rotationally arranged around the swing axis S for rolling or sliding movement through the guide slot 10, respectively.
  • the guide member 11 is able to rotate or slide through the guide slot 10 to impose oscillatory rotation of the swinger bracket arrangement 7 around the joiner axis X as the rotor 3 rotates around the rotor axis Y.
  • Figure 5 depicts a three-dimensional exploded view of the planer shaped joiner 6 and the swinger bracket arrangement 7 according to an embodiment.
  • the swinger bracket arrangement 7 may comprise two opposing semi-circular brackets 7a, 7b each of which comprises a corresponding part of the circular outer circumference 9 provided with the guide slot 10.
  • Providing two opposing semi-circular brackets 7a, 7b allows for a simplified and structured assembly of the rotary machine 1. That is, the joiner 6 and the secondary housing 4 can be assembled first, followed by placement of the two opposing semi-circular brackets 7a, 7b around the secondary housing 4 and mounting the opposing semi-circular brackets 7a, 7b to the corresponding joiner ends 6a, 6b.
  • each semi-circular bracket of the two opposing semi-circular brackets 7a, 7b comprises two bracket ends 12a, 12b each of which is affixed to a corresponding joiner end of the two opposing joiner ends 6a, 6b.
  • Affixing the two bracket ends 12a, 12b to corresponding joiner ends 6a, 6b provides for a rigid connection between the two semi-circular brackets 7a, 7b and the joiner 6, such that the two semi-circular brackets 7a, 7b and the joiner 6 are able rotate in unison around the joiner axis X when the rotary machine 1 is in use.
  • each joiner end of the two opposing joiner ends 6a, 6b comprises one or more outward facing flat surface portions 13a, 13b in engagement with one or more inward facing flat surface portions 14a, 14b of a corresponding bracket end of the two bracket ends 12a, 12b.
  • the one or more outward facing flat surface portions 13a, 13b and the one or more inward facing flat surface portions 14a, 14b prevent relative rotation between the two semi-circular brackets 7a, 7b and the joiner 6, and further allow forces to be transferred there between.
  • each bracket end 12a, 12b is affixed to a corresponding joiner end 6a, 6b by means of one or more fastener (e.g. bolt).
  • fastener e.g. bolt
  • the rotor 3 may comprise a stacked arrangement of a first rotor part 3a and a second rotor part 3b each of which comprises a corresponding housing part of the secondary housing 4.
  • a first planar partition piece 15a and a second planar partition 15b is arranged between the first rotor part 3a and the second rotor part 3b on opposing sides of the joiner 6.
  • Figure 4 only shows the second rotor part 3b for exposing the first and second planar partition pieces 15a, 15b. This embodiment allows for efficient assembly of the rotary machine 1.
  • joiner 6 may be mounted on the second rotor part 3b first, followed by placement of the first and second planar partition pieces 15a, 15b on opposite sides of the joiner 6. Subsequently, the first rotor part 3a may be placed on the second rotor part 3a, thereby enclosing the first and second planar partition pieces 15a, 15b inside the rotor 3 and enclosing the joiner 6 inside the compression chamber 5. From Figure 4 it becomes clear that the first and second planar partition pieces 15a, 15b and the joiner 6 in combination partition the compression chamber 5 into four subchambers for (de)compression.
  • the joiner 6 comprises a joiner hub 16 extending along the joiner axis X and comprising the two opposing joiner ends 6a, 6b.
  • a first planar joiner portion 16a and a second planar joiner portion 16b are provided and are arranged on opposing sides of the joiner hub 16.
  • the joiner hub 16 is in sealed engagement with the first planar partition piece 15a and the second planar partition piece 15b.
  • the joiner hub 16, the first planar joiner portion 16a and the second planar joiner portion 16b are in sealed engagement with the secondary housing 4, i.e. in sealed engagement with an inner surface of the compression chamber 5.
  • first and second planar partition pieces 15a, 15b and the joiner 6 partition the compression chamber 5 into four subchambers for (de)compression.
  • fluid or gas exchange is needed between two subchambers.
  • Figure 4 there is depicted the first planar partition piece 15a and it will be understood that subchambers will exist above and below the first planar partition piece 15a. Please note that the subchambers are not explicitly shown but it will be readily understood that such subchambers exist above and below the first planar partition piece 15a when the secondary housing 4 fully encloses the joiner 6 inside the compression chamber 5.
  • the instantaneous position of the joiner 6 as shown in Figure 4 indicates that the subchamber below the first planar partition piece 15a will be smaller than the subchamber above the first planar partition piece 15a, because the first planar joiner portion 16a is at a much larger angle to the first planar partition piece 15a than the second planar joiner portion 16b, which is out of view in Figure 4 .
  • This instantaneous position of the joiner 6 may then indicate a scenario wherein the smaller lower subchamber holds a compressed gas that needs to be transferred to the larger upper subchamber above the first planar partition piece 15a.
  • joiner hub 16 comprises one or more recesses 17 arranged along an outer circumference of the joiner hub 16 for fluid communication between two subchambers of the four subchambers partitioned or separated by the first planar partition piece 15a or the second planar partition piece 15b.
  • the one or more recesses 17 arranged along an outer circumference of the joiner hub 16 allow for a temporary passage or conduit bypassing the first or second planar partition piece 15a, 15b such that a fluid or gas can be exchanged between two subchambers separated by the first or second planar partition piece 15a, 15b.
  • the circumferential position of the one or more recesses 17 along the joiner hub 16 may determine the angular position of the joiner 6 with respect to the rotor axis Y at which the gas or fluid is able to bypass the first or second planar partition piece 15a, 15b.
  • each recess of the one or more recesses 17 has a width " w " along the outer circumference of the joiner hub 16 larger than a thickness " t " of the first or second planar partition piece 15a, 15b.
  • This embodiment allows for a sufficiently long passage for bypassing the first or second planar partition piece 15a, 15b for a given thickness t thereof.
  • the one or more recesses 17 have a width wsuch that the one or more recesses 17 extend below and above the first planar partition piece 15a to allow fluid communication between the two subchambers separated by the first planar partition piece 15a.
  • Figure 2 shows an embodiment wherein the rotor 3 comprises a circumferential gear or pully 18, and wherein the primary housing 2 comprises two apertures 19a, 19b for connection of a belt or chain around the circumferential gear or pully 18.
  • the belt or chain can be further connected to an external electric generator or an external engine/power source.
  • each of the two housing parts 2a, 2b comprises opposing slots that, when the two primary housing parts 2a, 2b are stacked together, form the two apertures 19a, 19b for allowing a belt or chain to extend through the primary housing 2.
  • having two primary housing parts 2a, 2b as shown in Figure 1 and 2 is advantageous as it facilitates placing a continuous belt or continuous chain around the circumferential gear or pully 18 when one of the two primary housing parts 2a, 2b is not yet assembled.
  • an electrical generator/motor is integrated with the rotary machine 1.
  • the rotor 3 instead of providing the rotor 3 with the circumferential gear or pully 18 as mentioned above, it would be possible to provide the rotor 3 with circumferentially arranged magnets and/or electric generator/motor windings.
  • the primary housing 2 would then be provided with internal circumferentially arranged opposing magnets and/or electric generator/motor windings.
  • the present invention provides a considerable advantage in that the joiner 6 only rotationally oscillates around the joiner axis X relative to the compression chamber 5 when the rotary machine 1 is in use.
  • movement of the joiner 6 along an inner surface of the compression chamber 5 exhibits less complexity so that a number of different geometries of the compression chamber 5 as well as the joiner 6 are possible whilst attaining reliable and durable sealing engagement between the compression chamber 5 and the joiner 6.
  • the compression chamber 5 may be a spherical chamber, and wherein the joiner 6 comprises a circular edge portion 6c, see e.g. the first and second planar joiner portions 16a, 16b, in congruent engagement with a spherical inner surface of the spherical compression chamber 5.
  • the compression chamber 5 may be a cylindrical chamber (not shown) extending along the joiner axis X, and wherein the joiner 6 comprises a straight edge portion 6c (not shown) in congruent engagement with a cylindrical inner surface of the cylindrical compression chamber 5.
  • compression chamber 5 is a conical chamber extending along the joiner axis X, and wherein the joiner 6 comprises a conical edge portion 6c in congruent engagement with a conical inner surface of the conical compression chamber 5.
  • the swinger bracket arrangement 7 comprises a circular outer circumference 9 provided with a guide slot 10 that extends along the circular outer circumference 9, and wherein the swinger guide arrangement 8 comprises a guide member 11 that movably extends through the guide slot 10.
  • the swinger bracket arrangement 7 is affixed to the two opposing joiner ends 6a, 6b to ensure that the joiner 6 and the swinger bracket arrangement 7 rotationally oscillate around the joiner axis X in unison.
  • the guide member 11 moves through the guide slot 10 whilst maintaining its orientation along the fixed swing axis S.
  • both the swinger bracket arrangement 7 and the joiner 6 are forced to rotationally oscillate around the joiner axis X over the swing angle ⁇ as the rotor 3 rotates around the rotor axis Y.
  • FIG. 6 An alternative kinematic configuration is depicted in Figure 6 allowing the rotor 3 to rotate around rotor axis Y and wherein the joiner 6 is forced to rotationally oscillate around the joiner axis X for (de)compression of the four subchambers inside the compression chamber 5.
  • Figure 6 depicts a three-dimensional view of a rotor 3, a planar shaped joiner 6 and a swinger bracket arrangement 7 according to another embodiment of the present invention.
  • the swinger bracket arrangement 7 comprises two opposing semi-circular brackets 20a, 20b each of which is affixed to the swinger guide arrangement 8, wherein the swinger guide arrangement 8 is rotatable around the swing axis S, e.g. journalled for rotation in the primary housing 2, as indicated by the rotational movement "rs".
  • Each joiner end of the two opposing joiner ends 6a, 6b is movable along, or movably engages, a corresponding semi-circular bracket of the two opposing semi-circular brackets 20a, 20b.
  • the swinger bracket arrangement 7 is affixed to the swinger guide arrangement 8 which in turn is rotatable around the fixed swing axis S indicated by the rotational movement "rs".
  • the rotor 3 is able to rotate around the rotor axis Y by virtue of the two opposing joiner ends 6a, 6b being in movable engagement with a corresponding semi-circular brackets 20a, 20b. Therefore, when the rotor 3 rotates around the rotor ais Y, the two opposing semi-circular brackets 20a, 20b rotate around the swing axis S.
  • each semi-circular bracket of the two opposing semi-circular brackets 20a, 20b may comprise a circular inner circumference 21 provided with a guide slot 22, i.e. an inward facing guide slot 22, and wherein each joiner end of the two opposing joiner ends 6a, 6b movably extends through the guide slot 22.
  • the two opposing joiner ends 6a, 6b are moveable through the guide slot 22. So when the rotor 3 rotates around the rotor axis Y, the two opposing semi-circular brackets 20a, 20b rotate around the swing axis S as the opposing joiner ends 6a, 6b move through the guide slot 22.
  • the two opposing joiners ends 6a, 6b may each comprise a roller or slider member that movably extends through the inward facing guide slot 22.
  • the swinger bracket arrangement 7 may comprise two opposing semi-circular brackets 7a, 7b that extend or span around the secondary housing 4, and wherein both semi-circular brackets 7a, 7b are connected or affixed to the two opposing joiner ends 6a, 6b of the joiner 6.
  • Each of these semi-circular brackets 7a, 7b comprises a corresponding part of the circular outer circumference 9 provided with the guide slot 10, wherein the guide member 11 of the swinger guide arrangement 8 movably extends through the guide slot 10 for inducing oscillatory rotation of the swinger bracket arrangement 7 and the joiner 6 around the joiner axis X when the rotor 3 rotates around the rotor axis Y.
  • the guide member 11 may comprise the roller member or slider member for movement through the guide slot 10 as mentioned earlier.
  • Figure 7 depicts an alternative embodiment wherein the swinger bracket arrangement 7 comprises a single semi-circular bracket 7a which comprises the circular outer circumference 9 provided with the guide slot 10.
  • the swinger guide arrangement 8 remains the same in that the guide member 11 movably extends through the outward facing guide slot 10 of the single semi-circular bracket 7a.
  • this single semi-circular bracket 7a extends or spans around the secondary housing 4 spaced apart therefrom and is connected/affixed to the two opposing joiner ends 6a, 6b of the joiner 6. So instead of having two opposing semi-circular brackets 7a, 7b spanning around the secondary housing 4, a semi-circular bracket 7b of the two opposing semi-circular brackets 7a, 7b is dispensed with.
  • Figure 7 further shows that the rotor 3 comprises a shaft member 23 that extends along the rotor axis Y and wherein the shaft member 23 is connected, e.g. directly connected, to the secondary housing 4 of the rotor 3.
  • the shaft member 23 is arranged to extend through the primary housing 2 (not shown) for connection to a driven or driving member, such as an electrical generator or compressor/pump, respectively.
  • Figure 7 introduces an alternative arrangement on how to externally connect to the rotor 3 instead of using a circumferential gear or pully 18 around the rotor 3 as explained in light of Figure 2 .
  • a single semi-circular bracket 7a allows the shaft member 23 to be connected to the secondary housing 4 without interfering with another opposing semi-circular bracket 7b which would otherwise extend or span around a portion of the secondary housing 4 to which the shaft member 23 is connected. From Figure 7 it will be understood that the intermediate chamber 5b enclosed by the primary housing 2 and the rotor 3 provides sufficient space for the single semi-circular bracket 7a to rotate around the secondary housing 4 in oscillatory fashion.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP23216134.9A 2023-12-13 2023-12-13 Machine rotative Pending EP4571047A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP23216134.9A EP4571047A1 (fr) 2023-12-13 2023-12-13 Machine rotative
PCT/EP2024/084390 WO2025124979A1 (fr) 2023-12-13 2024-12-03 Machine rotative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP23216134.9A EP4571047A1 (fr) 2023-12-13 2023-12-13 Machine rotative

Publications (1)

Publication Number Publication Date
EP4571047A1 true EP4571047A1 (fr) 2025-06-18

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ID=89222277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23216134.9A Pending EP4571047A1 (fr) 2023-12-13 2023-12-13 Machine rotative

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EP (1) EP4571047A1 (fr)
WO (1) WO2025124979A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1952260A (en) * 1928-12-05 1934-03-27 James L Kempthorne Rotary engine
WO2000009860A1 (fr) * 1998-08-14 2000-02-24 3D International A/S Systeme d'entrainement de machines telles que des moteurs, des compresseurs etc.
JP2002061586A (ja) * 2000-06-09 2002-02-28 Tomio Okura 球形の回転ピストンポンプ、圧縮機
WO2012002816A2 (fr) 2010-07-01 2012-01-05 Be-Kking Management B.V. Machine rotative permettant une compression et une décompression
US20180128106A1 (en) * 2016-11-08 2018-05-10 Thomas F. Welker Multiple axis rotary engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1952260A (en) * 1928-12-05 1934-03-27 James L Kempthorne Rotary engine
WO2000009860A1 (fr) * 1998-08-14 2000-02-24 3D International A/S Systeme d'entrainement de machines telles que des moteurs, des compresseurs etc.
JP2002061586A (ja) * 2000-06-09 2002-02-28 Tomio Okura 球形の回転ピストンポンプ、圧縮機
WO2012002816A2 (fr) 2010-07-01 2012-01-05 Be-Kking Management B.V. Machine rotative permettant une compression et une décompression
US20180128106A1 (en) * 2016-11-08 2018-05-10 Thomas F. Welker Multiple axis rotary engine

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Publication number Publication date
WO2025124979A1 (fr) 2025-06-19

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