EP4137667A1 - Machine volumétrique rotative - Google Patents

Machine volumétrique rotative Download PDF

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Publication number
EP4137667A1
EP4137667A1 EP21192417.0A EP21192417A EP4137667A1 EP 4137667 A1 EP4137667 A1 EP 4137667A1 EP 21192417 A EP21192417 A EP 21192417A EP 4137667 A1 EP4137667 A1 EP 4137667A1
Authority
EP
European Patent Office
Prior art keywords
magnets
displacement machine
displacement
annular space
rotating
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
EP21192417.0A
Other languages
German (de)
English (en)
Inventor
Hans-Wilhelm Möllmann
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
Application filed by Individual filed Critical Individual
Priority to EP21192417.0A priority Critical patent/EP4137667A1/fr
Publication of EP4137667A1 publication Critical patent/EP4137667A1/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
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/02—Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F01C1/063—Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them

Definitions

  • Rotating displacement machines in particular compressors or pumps, with a drive shaft and an annular space arranged eccentrically to the drive shaft and having an inlet and an outlet are known from practice, with two parallel side surfaces forming the lateral boundaries of the annular space and the inner boundary of which forms a first cylinder jacket section surface and its outer boundary is a second cylinder jacket section surface, with the two cylinder jacket section surfaces being of the same width and arranged concentrically and the radius of the second cylinder jacket section surface being greater than the radius of the first cylinder jacket section surface, with rotating, segment-shaped displacement bodies also being provided in the annular space, which are externally provided by means of magnetic transmission elements are driven, for which purpose a driving disk is mounted on the drive shaft outside of the annular space laterally next to one side surface, di e Transmission elements are designed as pairs of magnets, one half of which is provided on the respective displacement body and the other half of which is provided on the driving disk.
  • the disadvantage here is that the one-sided arrangement of the magnets on the drive plate results in an axial magnetic force which shifts the displacement body in the direction of a side surface, so that this results in friction on this side surface.
  • the object of the invention is to avoid the aforementioned disadvantages and to specify a generic rotating displacement machine with which the friction on the side surface or the side surfaces is reduced and avoided as completely as possible.
  • a further driving disk is attached to the side next to the other side surface on the drive shaft, which drives the displacement bodies from the outside by means of magnetic transmission elements, the transmission elements also being used here as Pairs of magnets are formed, the magnets forming one half of which are provided on the respective displacement body and the magnets forming the other half of which are provided on the carrier disk.
  • a drive can thus take place on both sides, as a result of which an axial magnetic force can be reduced or even avoided and the displacement bodies are therefore not or at least not significantly displaced in the direction of a side surface. This then also reduces or even avoids friction on this side surface.
  • the polarity of the half of the pairs of magnets provided on the further carrier disk can be opposite to the polarity of the half of the pairs of magnets provided on the one carrier disk.
  • the displacement bodies are then at least almost in a state of levitation, since they are balanced by the opposing magnetic forces.
  • a plurality of magnets can be provided on the displacement bodies and the carrier discs can each also have a plurality of magnets.
  • the carrier discs can each also have a plurality of magnets.
  • the movements of the magnets of the carrier discs can preferably each describe a guideway, with the guideways being able to be straight or curved in each case.
  • the course of the guideways can be realized by guides in which the magnets of the carrier discs are each held in a displaceable manner.
  • the respective polarity of the magnets provided on the driving discs can be provided alternately along the sequence of these magnets and the respective polarity of the magnets provided on the displacement bodies can be provided alternately along the sequence of these magnets.
  • axial magnetic forces of adjacent magnets cancel each other out at least partially.
  • the number of magnets that are provided on the carrier disks and the displacement bodies can be odd. Irrespective of this, the polarity of the respective magnets can be chosen such that a mirror-symmetrical arrangement of the polarities of the magnets is given in each case, so that no tilting moments result.
  • the magnets provided in the displacement bodies can also be arranged in such a way that they interact on both sides with the magnets provided in the respective driver disks.
  • a magnetic fluid can be injected into the gap between the displacement body and the side surface in order to reduce the gap leakage.
  • the object on which the invention is based is also achieved by an arrangement with a rotating displacement machine according to the invention, this displacement machine being connected in series with at least one other displacement machine according to the invention, so that the pressure ratio can be multiplied.
  • the displacement machine can be connected to at least one further displacement machine according to the invention in such a way that the outlet of a preceding displacement machine is connected to the inlet of the following displacement machine, with the outlet of the last displacement machine being connected to the inlet of the first displacement machine.
  • a hydraulic power transmission is thus possible and can be used analogously to a mechanical power transmission by means of a chain, a toothed belt, a shaft or the like.
  • the geometry of its annular space cannot be identical to the geometry of the annular space of another displacement machine, so that a hydraulic transmission results from different delivery volumes.
  • FIG. 1 shows an arrangement 1 with a first rotating displacement machine 2 according to the invention, this displacement machine 2 being connected in series with a further displacement machine 3 according to the invention.
  • the displacement machines 2, 3 each have a drive shaft 4 and one with a distance "e" eccentrically to the Drive shaft 4 arranged annular space 5 with an inlet 6 and an outlet 7.
  • Rotating, segment-shaped displacement bodies 8 are provided in the annular space 5 and are driven from the outside by means of magnetic transmission elements.
  • driver disks 9 are attached to the sides of the drive shaft 4 outside of the annular space 5, with the transmission elements being designed as pairs of magnets, the magnets 10 forming one half of which are provided on the respective displacement body 8 and the magnets 11 forming the other half each on the driver disk 9 are.
  • three magnets 10, 11 are provided, the polarity of which is aligned alternately (cf. 3 ).
  • the polarity of the magnets 10, 11 provided on the carrier disks 9 and the displacement bodies 8 is the same in each case, so that the magnets 10 in the displacement bodies can interact with the magnets 11 of both carrier disks 9.
  • the movements of the magnets 11 of the carrier discs 9 each describe a guideway, the guideways 12 each being straight and implemented by guides 12 in which the magnets 11 of the carrier discs 9 are each held displaceably.
  • the respective polarity of the magnets 11 provided on the carrier discs 9 is alternately provided along the sequence of these magnets 11 and on the other hand, the respective polarity of the magnets 10 provided on the displacement bodies 8 is provided alternately along the sequence of these magnets 10 (cf . 3 ).
  • the polarity of the respective magnets 10, 11 is also chosen so that a mirror-symmetrical arrangement of the polarities of the magnets 10, 11 is given in each case.
  • the first displacement machine 2 is connected to the further displacement machine 3 in such a way that the outlet 7 in the direction of flow each preceding displacement machine is connected to the inlet 6 of the displacement machine that follows in the direction of flow.
  • the geometry of the annular space 5 of the first positive-displacement machine 2 is not identical to the geometry of the annular space 5 of the further positive-displacement machine 3, so that different delivery volumes result in a hydraulic transmission with a transmission ratio.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
EP21192417.0A 2021-08-20 2021-08-20 Machine volumétrique rotative Pending EP4137667A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21192417.0A EP4137667A1 (fr) 2021-08-20 2021-08-20 Machine volumétrique rotative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21192417.0A EP4137667A1 (fr) 2021-08-20 2021-08-20 Machine volumétrique rotative

Publications (1)

Publication Number Publication Date
EP4137667A1 true EP4137667A1 (fr) 2023-02-22

Family

ID=77431234

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21192417.0A Pending EP4137667A1 (fr) 2021-08-20 2021-08-20 Machine volumétrique rotative

Country Status (1)

Country Link
EP (1) EP4137667A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160135B (de) * 1956-07-18 1963-12-27 Degussa Stopfbuechslose rotierende Verdraengerpumpe fuer Gase und Daempfe mit einem ringfoermigen Foerderraum
DE102004060518A1 (de) * 2004-03-04 2005-09-22 Möllmann, Hans-Wilhelm, Dipl.-Ing. Rotierende Verdrängermaschinen, insbesondere Verbrennungsmotor, Verdichter sowie Verdrängerpumpe
DE102009009025A1 (de) * 2009-02-16 2010-08-19 Möllmann, Hans-Wilhelm, Dipl.-Ing. Rotierende Verdrängermaschine
CN102664512A (zh) * 2012-05-09 2012-09-12 林贵生 一种无源永磁耦合传动、制动或负载装置
CN105591523A (zh) * 2016-01-08 2016-05-18 中国科学院电工研究所 永磁电磁复合盘式涡流制动装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160135B (de) * 1956-07-18 1963-12-27 Degussa Stopfbuechslose rotierende Verdraengerpumpe fuer Gase und Daempfe mit einem ringfoermigen Foerderraum
DE102004060518A1 (de) * 2004-03-04 2005-09-22 Möllmann, Hans-Wilhelm, Dipl.-Ing. Rotierende Verdrängermaschinen, insbesondere Verbrennungsmotor, Verdichter sowie Verdrängerpumpe
DE102009009025A1 (de) * 2009-02-16 2010-08-19 Möllmann, Hans-Wilhelm, Dipl.-Ing. Rotierende Verdrängermaschine
CN102664512A (zh) * 2012-05-09 2012-09-12 林贵生 一种无源永磁耦合传动、制动或负载装置
CN105591523A (zh) * 2016-01-08 2016-05-18 中国科学院电工研究所 永磁电磁复合盘式涡流制动装置

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