FR2540571A1 - ROTARY PISTON FLUID DELIVERY MACHINE - Google Patents
ROTARY PISTON FLUID DELIVERY MACHINE Download PDFInfo
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- FR2540571A1 FR2540571A1 FR8401965A FR8401965A FR2540571A1 FR 2540571 A1 FR2540571 A1 FR 2540571A1 FR 8401965 A FR8401965 A FR 8401965A FR 8401965 A FR8401965 A FR 8401965A FR 2540571 A1 FR2540571 A1 FR 2540571A1
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- Prior art keywords
- pallets
- cylinder
- delivery machine
- remarkable
- machine according
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/32—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/08—Rotary pistons
- F01C21/0809—Construction of vanes or vane holders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
- F04C2/3442—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/40—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C2/08 or F04C2/22 and having a hinged member
- F04C2/44—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C2/08 or F04C2/22 and having a hinged member with vanes hinged to the inner member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Motors (AREA)
- Rotary Pumps (AREA)
- Compressor (AREA)
- Reciprocating Pumps (AREA)
Abstract
DANS CETTE MACHINE DE REFOULEMENT DE FLUIDES COMPORTANT UN PISTON ROTATIF EXCENTRE DANS LE CYLINDRE 2 ET MUNI DE FENTES 7 DANS CHACUNE DESQUELLES EST LOGEE UNE PALETTE D'ETANCHEITE MOBILE 8, LE PISTON 6 EST RELIE AU CYLINDRE 2 PAR ENCASTREMENT AU MOYEN D'UNE PALETTE 10. CERTAINES PALETTES PEUVENT COMPORTER UNE PERCEE FAISANT COMMUNIQUER ENTRE ELLES LES CELLULES 16, 17, 18 ENTRE PALETTES SUCCESSIVES.IN THIS FLUID DISCHARGE MACHINE INCLUDING AN OFFSET ROTARY PISTON IN CYLINDER 2 AND EQUIPPED WITH SLOTS 7 IN EACH OF WHICH A MOBILE SEALING PALLET 8 IS HOUSED, PISTON 6 IS CONNECTED TO CYLINDER 2 BY FITTING BY MEANS OF A PALLET 10. CERTAIN PALLETS MAY CONTAIN A PIERCE MAKING CELLS 16, 17, 18 COMMUNICATE BETWEEN SUCCESSIVE PALLETS.
Description
La présente invention concerne une machine de re-The present invention relates to a machine for
foulement de fluides comportant un piston rotatif ou piston tournant disposé avec une excentricité dans le cylindre et des palettes d'étanchéité guidées dans des fentes, la paroi du cylindre formant poulie ou étant flow of fluids comprising a rotary piston or rotary piston arranged with an eccentricity in the cylinder and sealing vanes guided in slots, the wall of the cylinder forming a pulley or being
montée à rotation dans un carter et reliée par encas- rotatably mounted in a housing and connected by casing
trement au piston qu'elle entraîne ou par lequel elle very much to the piston it drives or by which it
est entraînée.is trained.
Une machine de refoulement de ce genre est connue par le Modèle d'utilité DE 75 40 751 qui la décrit comme étant particulièrement puissante parce que le faible A delivery machine of this kind is known by the Utility Model DE 75 40 751 which describes it as being particularly powerful because the low
mouvement relatif entre les palettes et la paroi du cy- relative movement between the pallets and the wall of the cy-
lindreréduit le travail dû à la friction et l'usure Reduced work due to friction and wear
des palettes, de sorte que cette machine peut fonction- pallets, so this machine can operate
ner à des vitesses de rotation élevées. ner at high rotational speeds.
Un inconvénient de cette machine de refoulement connue peut être vu dans la complexité du mécanisme pour la liaison encastrée-entre le piston rotatif ou piston tournant et la paroi du cylindre, ce mécanisme étant formé par des moyens d'entraînement prévus sur le piston et par des évidements ménagés dans une paroi d' A drawback of this known delivery machine can be seen in the complexity of the mechanism for the built-in connection between the rotary piston or rotary piston and the wall of the cylinder, this mechanism being formed by drive means provided on the piston and by recesses in a wall of
extrémité du cylindre.end of the cylinder.
Etant donné que les parois d'extrémité du cylindre sont elles aussi reliées à celui-ci, il faut que chaque Since the end walls of the cylinder are also connected to it, each
tronçon du cylindre délimité par deux palettes d'étan- section of the cylinder delimited by two sealing pallets
chéité successives soit muni d'une soupape d'aspiration successive stocking is provided with a suction valve
et d'une soupape de refoulement, l'amenée et l'évacua- and a discharge valve, the inlet and outlet
tion du fluide à véhiculer qui sort par les parois d' extrémité tournantes ayant lieu par des évidements et tion of the fluid to be conveyed which exits through the rotating end walls taking place through recesses and
ouvertures réniformes dans un couvercle fixe. kidney-shaped openings in a fixed cover.
Etant donné qu'il faut prévoir une fente permettant Since it is necessary to provide a slot allowing
le mouvement entre ce couvercle fixe et la paroi d'extré- the movement between this fixed cover and the end wall
mité du cylindre, des fuites et pertes de charge se pro- leakage from the cylinder
duisent entre les évidements.duide between the recesses.
Le problème auquel l'invention a apporté une solu- The problem to which the invention has provided a solution
tion consistait alors à faire en sorte que, dans une ma- tion then consisted in ensuring that, in a ma-
chine de refoulement du genre décrit en préambule, le china of repression of the kind described in the preamble, the
mécanisme d'entraînement soit simplifié, qu'un fonction- drive mechanism is simplified, that a function-
nement sans soupapes ou tout au plus avec une soupape d' aspiration et une soupape de refoulement soit possible, qu'il n'y ait pas de fuites et pertes de charge et que without valves or at most with a suction valve and a discharge valve is possible, that there are no leaks and pressure drops and that
S le travail dû à la friction soit davantage réduit. S the work due to friction is further reduced.
La solution à ce problème consiste, selon l'inven- The solution to this problem, according to the invention,
tion, àâassurer la liaison encastrée entre le piston et la paroi du cylindre par une palette d'étanchéité En variante de cette disposition, ou en plus de celle-ci, il est prévu que dans un nombre de palettes d'étanchéité qui peut atteindre la totalité de celles-ci sauf une est ménagée au moins une percée disposée de telle sorte qu' tion, to ensure the embedded connection between the piston and the cylinder wall by a sealing pallet As a variant of this arrangement, or in addition to this, it is provided that in a number of sealing pallets which can reach the all of them except one is provided at least one breakout arranged so that
elle se trouve, au moins lors du franchissement du sec- it is found, at least when crossing the sec-
teur de cylindre qui peut être délimité par deux palettes successives entre le conduit d'admission et le conduit d' évacuation, recouverte par les parois de la fente dans laquelle cette palette est guidée dans le piston rotatif ou piston D'autres caractéristiques avantageuses de l'une et/ ou l'autre des dispositions selon l'invention décrites cylinder tor which can be delimited by two successive pallets between the intake duct and the exhaust duct, covered by the walls of the slot in which this pallet is guided in the rotary piston or piston Other advantageous characteristics of the one and / or the other of the arrangements according to the invention described
ci-dessus apparaîtront au coxs' de la description dtexem 1- above will appear at the coxs' of the description dtexem 1-
ples d'exécution faite ci-après en se référant au dessin annexé; sur ce dernier la figure 1 est une vue en coupe longitudinale d'une machine de refoulement selon l'invention, la figure 2 est une vue en coupe transversale de la machine de refoulement selon la fig 1, ples of execution made below with reference to the accompanying drawing; on the latter, FIG. 1 is a view in longitudinal section of a delivery machine according to the invention, FIG. 2 is a view in cross section of the delivery machine according to FIG. 1,
les figures 3 et 4 sont des vues en coupe trans- Figures 3 and 4 are cross-sectional views
versales de variantes d'exécution dérivées de la dis- versions of variants derived from the
position selon la fig 1, la figure 5 est une vue en coupe transversale d'une autre machine de refoulement selon l'invention, position according to FIG. 1, FIG. 5 is a cross-sectional view of another delivery machine according to the invention,
munie ici de palettes d'étanchéité munies de pas- here fitted with sealing pallets fitted with steps
de fluide, etfluid, and
les figures 6 et 7 sont des vues en coupe trans- Figures 6 and 7 are cross-sectional views
versales de variantes d'exécution dérivées de la dis- versions of variants derived from the
position selon la fig 5.position according to fig 5.
_ 3 _ 2540571_ 3 _ 2540571
Une machine de refoulement 1 selon l'invention, telle qu'illustrée aux fig 1 et 2, est propre à être utilisée comme génératrice de vide, c'est-àdire que le fluide refoulé, l'air, est envoyé dans l'atmosphere, ce qui est possible du fait du fonctionnement a sec, A delivery machine 1 according to the invention, as illustrated in FIGS. 1 and 2, is suitable for being used as a vacuum generator, that is to say that the pumped fluid, the air, is sent into the atmosphere. , which is possible due to dry running,
sans lubrifiant.without lubricant.
La machine de refoulement 1 se compose d'un cy- The delivery machine 1 consists of a cy-
lindre tournant 2 formant poulie à courroie, monté sur un tourillon fixe 3 et fermé à son extrémité par un couvercle 4 Sur un maneton excentré 5 du tourillon 3 rotary liner 2 forming belt pulley, mounted on a fixed pin 3 and closed at its end by a cover 4 On an eccentric pin 5 of the pin 3
sur lequel est monté le cylindre 2 est monté dans ce cy- on which cylinder 2 is mounted is mounted in this cy-
lindre un piston rotatif ou piston tournant 6 Comme représenté à la fig 2, ce piston comporte des fentes 7 dans lesquelles sont guidées des palettes d'étanchéité 8 repoussées contre le cylindre 2 éventuellement sous la pression de ressorts 9, une palette d'étanchéité 10 étant retenue, avec possibilité de basculer, dans un lind a rotary piston or rotary piston 6 As shown in fig 2, this piston has slots 7 in which are guided sealing vanes 8 pushed against the cylinder 2 possibly under the pressure of springs 9, a sealing pallet 10 being retained, with the possibility of tilting, in a
évidement Il ménagé axialement dans la paroi 12 du cy- recess It formed axially in the wall 12 of the cy-
lindre 2, de sorte que le piston 6 se trouve relié-par lindre 2, so that the piston 6 is connected-by
cette palette 10 a la dite paroi 12 et qu'il est en- this pallet 10 has said wall 12 and that it is
traîné par cette paroi.dragged by this wall.
Aux fig 3 et 4 sont représentées deux variantes. In Figs 3 and 4 two variants are shown.
Dans l'une (fig 3), la palette 10 est, par un bord lon- In one (fig 3), the pallet 10 is, by a long edge
gitudinal, encastrée dans l'évidement axial Il de la paroi 12 du cylindre 2 et, par son bord opposé, reçue dans un évidement axial 14 du piston 6 avec possibilité de basculer dans cet évidement Cette possibilité de gitudinal, embedded in the axial recess II of the wall 12 of the cylinder 2 and, by its opposite edge, received in an axial recess 14 of the piston 6 with the possibility of tilting in this recess This possibility of
basculer implique dans le pourtour du piston 6 la pré- tilting implies in the circumference of the piston 6 the pre-
sence d'un évidement 15 dans lequel la palette 10 peut s'incliner lorsque, dans cette zone, le piston 6 est au plus proche de la paroi 12 Dans l'autre variante (fig. sence of a recess 15 in which the pallet 10 can tilt when, in this zone, the piston 6 is closest to the wall 12 In the other variant (fig.
4), la palette 10 est solidaire de la paroi 12 du cy- 4), the pallet 10 is integral with the wall 12 of the cy-
lindre et est recue dans la fente 7 d'un élément de lindre and is received in the slot 7 of an element of
guidage 13 monté à rotation dans le piston 6. guide 13 rotatably mounted in the piston 6.
Dans les trois formes d'exécution décrites ci-dessus In the three embodiments described above
avec référence aux fig -1 à 4, l'aspiration et le refou- with reference to figs -1 to 4, the suction and the discharge
lement de l'air s'effectuent par l'intermédiaire de -4- air is carried out via -4-
conduits munis d'une soupape d'aspiration ou de refou- ducts fitted with a suction or discharge valve
lement et reliés à chaque cellule 16, 17, 18 comprise entre deux palettes successives 8 ou 10; ces conduits peuvent être disposés par exemple dans le piston 6 et la paroi 12 du cylindre 2 ou dans le couvercle 4. Lement and connected to each cell 16, 17, 18 between two successive pallets 8 or 10; these conduits can be arranged for example in the piston 6 and the wall 12 of the cylinder 2 or in the cover 4.
La fig 5 illustre en coupe transversale schéma- FIG. 5 illustrates in cross section a diagram
tique un exemple d'exécution de la machine de refoule- tick an example of the delivery machine
ment selon l'inventions dans lequel le piston 6 est according to the invention in which the piston 6 is
commandé en rotation et fait tourner, par l'intermé- rotationally controlled and rotates, via
diaire d'un organe d'entrainement non représenté, le diary of a drive unit not shown, the
cylindre 2 monté à rotation dans un carter 24. cylinder 2 rotatably mounted in a casing 24.
Les palettes d'étanchéité 19 disposées dans le piston 6 comportent chacune au moins une percée 20, tandis que la palette 8 est pleine Dans les palettes 19 la percée 20 est disposée à un endroit tel que les The sealing pallets 19 disposed in the piston 6 each have at least one breakthrough 20, while the pallet 8 is full In the pallets 19 the breakthrough 20 is arranged in a place such that the
parois 25 de la fente 7 du piston 6 dans laquelle cha- walls 25 of the slot 7 of the piston 6 in which each
cune est logée obturent cette percée au moins lorsque la palette 19 considérée franchit, entre un conduit d'admission 22 et un conduit d'évacuation 23 disposés dans le carter 24 et débouchant dans le cylindre 2 par cune is housed obturate this breakthrough at least when the pallet 19 considered crosses, between an intake duct 22 and a discharge duct 23 arranged in the casing 24 and opening into the cylinder 2 by
la paroi d'extrémité de celui-ci, un secteur de cy- the end wall of it, a cy-
lindre 21 délimitable par deux palettes 8, 19 succes- lindre 21 delimitable by two pallets 8, 19 successes
sives. Dans le cas d'une rotation dextrorsum, le fluide se trouve déplacé de la manière expliquée ci-après Lorsque la palette pleine 8 a franchi le conduit d'admission 22, il se forme derrière elle une chambre sives. In the case of a dextrorsum rotation, the fluid is displaced in the manner explained below When the full pallet 8 has passed through the intake duct 22, a chamber is formed behind it
d'aspiration 27 dont le volume augmente progressive- suction 27 whose volume increases gradually-
ment, de sorte que de l'air se trouve aspiré par le conduit d'aspiration 22 Simultanément, le volume de la chambre de compression 28 déjà remplie en avant de la palette 8 se fait plus petit, de sorte que de l'air ment, so that air is sucked in through the suction pipe 22 Simultaneously, the volume of the compression chamber 28 already filled in front of the pallet 8 becomes smaller, so that air
est refoulé par le conduit d'évacuation 23 Les cel- is discharged through the exhaust pipe 23 The
lules 16, 17, 18 entre palettes successives 19 munies de percées 20 communiquent entre elles par ces percées, lules 16, 17, 18 between successive pallets 19 provided with openings 20 communicate with each other by these openings,
ce qui compense la variation de volume de ces cellules - which compensates for the change in volume of these cells -
Les palettes percées 19 ne font étanchéité entre la -5 chambre de compression 28 et la chambre d'aspiration The perforated pallets 19 do not seal between the -5 compression chamber 28 and the suction chamber
27 que dans le secteur 26 du cylindre 2. 27 than in sector 26 of cylinder 2.
Il ressort de la fig 5 que dans la position du It appears from FIG. 5 that in the position of the
piston 6 illustrée le conduit d'admission 22 est direc- piston 6 illustrated the intake duct 22 is directed
tement en communication avec le conduit d'évacuation 23 par les percées 20 des palettes 19; c'est pourquoi ces conduits 22, 23 doivent être équipés de soupapes (non tely in communication with the discharge conduit 23 through the openings 20 of the pallets 19; this is why these conduits 22, 23 must be fitted with valves (not
représentées au dessin).shown in the drawing).
Dans la variante d'exécution représentée à la fig. 6, le piston 6 comporte deux palettes non percées 8 In the variant shown in FIG. 6, the piston 6 comprises two non-pierced pallets 8
diamétralement opposées, de sorte qu'il n'est pas be- diametrically opposite, so that it is not be-
soin de prévoir de soupapes.take care to provide valves.
A la fig 7 est représentée simplement une varian- In fig 7 is shown simply a varian-
te avec liaison encastrée entre le piston 6 et la paroi te with recessed connection between piston 6 and the wall
12 du cylindre; la structure de cette variante corres- 12 of the cylinder; the structure of this variant corresponds to
pond a celle de la variante selon la fig 4, excepté pond to that of the variant according to fig 4, except
en ce qui concerne les percées 20 des palettes 19. as regards the breakthroughs 20 of the pallets 19.
Dans la position entre conduits d'admission 22 et In the position between intake ducts 22 and
d'évacuation 23 dans le secteur de cylindre 29 dans le- 23 in the cylinder sector 29 in the
quel la distance entre le piston 6 et la paroi de cy- what the distance between piston 6 and the cy-
lindre 12 est maximale, les palettes d'étanchéité non percées 8 sont sorties au maximum et sont soumises à la différence des pressions dès chambres d'aspiration 27 et de refoulement 28, ce qui engendre dans la fente 7 lindre 12 is maximum, the non-drilled sealing vanes 8 are extended to the maximum and are subjected to the difference in pressure from the suction 27 and discharge 28 chambers, which generates in the slot 7
une pression sur les arêtes considérable Cette pres- considerable pressure on the edges This pressure
sion engendre un grand effort de friction lors d'un dé- sion generates a large friction force during a
placement de la palette 8, et si celle-ci doit rester appliquée contre la paroi de cylindre 12, il faut que placement of the pallet 8, and if it is to remain applied against the cylinder wall 12, it is necessary that
cet effort soit vaincu par une force de déplacement. this effort is overcome by a displacement force.
Toutefois, cette grande force n'est nécessaire que dans le dit secteur de cylindre 29, car lorsque la palette 8 However, this great force is only necessary in said cylinder sector 29, because when the pallet 8
est rentrée dans la fente elle présente une surface ex- has entered the slot it has an ex-
posée moindre et un guidage plus long, ce qui réduit less laying and longer guidance, which reduces
considérablement la pression sur les arêtes Les pa- considerably the pressure on the edges.
lettes percées 19 ne sont soumises à la pression diffé- the drilled holes 19 are not subjected to different pressure
rentielle que lorsqu'elles sont en position rentrée au maximum dans le secteur de cylindre 21 dans lequel le piston 6 est au plus proche de la paroi 12 du cylindre; only when in the fully retracted position in the cylinder sector 21 in which the piston 6 is closest to the wall 12 of the cylinder;
c'est pourquoi ces palettes 19 peuvent être sollici=- this is why these pallets 19 can be requested = -
tées par une force de déplacement plus faible que celle des palettes pleines 8, ce qui peut être assuré par des ressorts plus faibles, un moindre poids des palettes 19 (force centrifuge) ou par d'autres dimensions ou des tees by a lower displacement force than that of the full pallets 8, which can be ensured by weaker springs, less weight of the pallets 19 (centrifugal force) or by other dimensions or
matériaux différents Il en résulte un travail de fric- different materials This results in a work of money
tion considérablement plus faible que dans le cas des considerably lower than in the case of
palettes pleines 8.full pallets 8.
L'invention est fondamentalement transposable aussi à des machines de refoulement selon le principe du piston The invention can also be fundamentally transferred to delivery machines according to the piston principle
tournant dont les paliers sont soumis à la force cen- turning whose bearings are subjected to the central force
trifuge.trifuge.
-2540571-2540571
-7--7-
Claims (8)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833303906 DE3303906C2 (en) | 1983-02-05 | 1983-02-05 | Rotary piston machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2540571A1 true FR2540571A1 (en) | 1984-08-10 |
| FR2540571B1 FR2540571B1 (en) | 1988-06-10 |
Family
ID=6190089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8401965A Expired FR2540571B1 (en) | 1983-02-05 | 1984-02-02 | ROTARY PISTON FLUID DELIVERY MACHINE |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3303906C2 (en) |
| FR (1) | FR2540571B1 (en) |
| GB (1) | GB2134985B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0205036A2 (en) * | 1985-06-13 | 1986-12-17 | B a r m a g AG | Rotary vane pump |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8617843D0 (en) * | 1986-07-22 | 1986-08-28 | Dewandre Co Ltd C | Rotary vacuum pumps |
| JP2005509798A (en) * | 2001-11-16 | 2005-04-14 | リカルド ユーケー リミテッド | Vacuum pump |
| CN105840507A (en) * | 2015-01-15 | 2016-08-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body and rotary cylinder compressor |
| GR20170100407A (en) * | 2017-09-07 | 2019-05-09 | Αριστειδης Εμμανουηλ Δερμιτζακης | Compressor with multiple mechanical vapor recompression chambers |
| CN111963434B (en) * | 2020-07-24 | 2021-04-27 | 珠海格力电器股份有限公司 | Pump body subassembly, compressor and air conditioner |
| EP4253721A1 (en) | 2022-03-31 | 2023-10-04 | Goodrich Corporation | Vane wearing detection |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE403530A (en) * | ||||
| FR630656A (en) * | 1927-03-10 | 1927-12-07 | Improvements in drum pumps with eccentric movement in a cylinder of larger diameter | |
| US1712935A (en) * | 1926-12-09 | 1929-05-14 | Seaholm Martin August | Pump and motor |
| US2969743A (en) * | 1956-12-01 | 1961-01-31 | Emanuel Di Giuseppe E Roberto | Rotary slidable-vane machines |
| FR1308306A (en) * | 1961-12-18 | 1962-11-03 | vane pump | |
| US3469500A (en) * | 1967-11-06 | 1969-09-30 | Ingersoll Rand Co | Vane-type fluid motor |
| FR2256683A5 (en) * | 1973-12-28 | 1975-07-25 | Blachere Et Cie Comptoirs Indl | Rotary pump esp. for pumping wine - after crushing grapes, with simultaneous suction and compression |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1018737A (en) * | 1912-01-06 | 1912-02-27 | William Thomas Bennett | Rotary engine. |
| GB203621A (en) * | 1923-02-08 | 1923-09-13 | Edward Allan Thomson | Improvements in rotary pumps, compressors, exhausters, fluid pressure engines and like apparatus |
| GB264430A (en) * | 1926-10-12 | 1927-01-20 | Paul Schauer | Improvements in rotary compressors, particularly for use in connection with motor driven vehicles |
| GB331054A (en) * | 1929-01-03 | 1930-07-03 | Thomas Winter Nichols | Improvements in rotary pumps, compressors and the like |
| DE571668C (en) * | 1929-05-23 | 1933-03-03 | Edouard Godillot | Rotary piston compressor, pump, etc. with a rotating housing |
| US1969192A (en) * | 1931-10-17 | 1934-08-07 | Maximum Pumps And Engines Ltd | Rotary engine and pump |
| GB809220A (en) * | 1956-12-01 | 1959-02-18 | Giuseppe Emanuel | Rotary machine adapted to operate as a pump or as a fluid motor |
| DE1553261A1 (en) * | 1960-12-17 | 1970-02-12 | Huebener Werner | Rotary vane pump |
| DE7540751U (en) * | 1975-12-20 | 1982-09-30 | Siegfried Störrle Werkzeug-und Maschinenbau, 7809 Denzlingen | TURNING PISTON |
| GB2047807B (en) * | 1979-03-05 | 1983-02-23 | Plenty Group Ltd | Rotary positive-displacement fluid-machines |
-
1983
- 1983-02-05 DE DE19833303906 patent/DE3303906C2/en not_active Expired
-
1984
- 1984-01-25 GB GB08401945A patent/GB2134985B/en not_active Expired
- 1984-02-02 FR FR8401965A patent/FR2540571B1/en not_active Expired
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE403530A (en) * | ||||
| US1712935A (en) * | 1926-12-09 | 1929-05-14 | Seaholm Martin August | Pump and motor |
| FR630656A (en) * | 1927-03-10 | 1927-12-07 | Improvements in drum pumps with eccentric movement in a cylinder of larger diameter | |
| US2969743A (en) * | 1956-12-01 | 1961-01-31 | Emanuel Di Giuseppe E Roberto | Rotary slidable-vane machines |
| FR1308306A (en) * | 1961-12-18 | 1962-11-03 | vane pump | |
| US3469500A (en) * | 1967-11-06 | 1969-09-30 | Ingersoll Rand Co | Vane-type fluid motor |
| FR2256683A5 (en) * | 1973-12-28 | 1975-07-25 | Blachere Et Cie Comptoirs Indl | Rotary pump esp. for pumping wine - after crushing grapes, with simultaneous suction and compression |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0205036A2 (en) * | 1985-06-13 | 1986-12-17 | B a r m a g AG | Rotary vane pump |
| EP0205036A3 (en) * | 1985-06-13 | 1987-10-28 | B A R M A G Ag | Rotary vane pump |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8401945D0 (en) | 1984-02-29 |
| GB2134985A (en) | 1984-08-22 |
| FR2540571B1 (en) | 1988-06-10 |
| GB2134985B (en) | 1986-10-22 |
| DE3303906A1 (en) | 1984-08-16 |
| DE3303906C2 (en) | 1986-07-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |